initial working version

Signed-off-by: Johan Siebens <johan.siebens@gmail.com>

.gitignore

@@ -0,0 +1,6 @@
+.idea
+.vagrant
+*.log
+dist
+
+ionscale.db*

Makefile

@@ -0,0 +1,2 @@
+generate:
+	buf generate proto

buf.gen.yaml

@@ -0,0 +1,11 @@
+version: v1beta1
+plugins:
+  - name: go
+    out: pkg/gen
+    opt: paths=source_relative
+  - name: go-grpc
+    out: pkg/gen
+    opt: paths=source_relative,require_unimplemented_servers=false
+  - name: grpc-gateway
+    out: pkg/gen
+    opt: paths=source_relative

cmd/ionscale/main.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+	"github.com/jsiebens/ionscale/internal/cmd"
+	"os"
+)
+
+func main() {
+	if err := cmd.Execute(); err != nil {
+		os.Exit(1)
+	}
+}

go.mod

@@ -0,0 +1,78 @@
+module github.com/jsiebens/ionscale
+
+go 1.18
+
+require (
+	github.com/apparentlymart/go-cidr v1.1.0
+	github.com/glebarez/sqlite v1.4.3
+	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.0.0-rc.2
+	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
+	github.com/hashicorp/go-hclog v1.1.0
+	github.com/klauspost/compress v1.15.3
+	github.com/labstack/echo-contrib v0.12.0
+	github.com/labstack/echo/v4 v4.6.3
+	github.com/mitchellh/go-homedir v1.1.0
+	github.com/mr-tron/base58 v1.2.0
+	github.com/muesli/coral v1.0.0
+	github.com/nleeper/goment v1.4.4
+	github.com/patrickmn/go-cache v2.1.0+incompatible
+	github.com/rodaine/table v1.0.1
+	github.com/soheilhy/cmux v0.1.5
+	github.com/sony/sonyflake v1.0.0
+	github.com/xhit/go-str2duration/v2 v2.0.0
+	golang.org/x/crypto v0.0.0-20220427172511-eb4f295cb31f
+	golang.org/x/net v0.0.0-20220407224826-aac1ed45d8e3
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
+	google.golang.org/grpc v1.44.0
+	google.golang.org/protobuf v1.27.1
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
+	gorm.io/gorm v1.23.5
+	inet.af/netaddr v0.0.0-20211027220019-c74959edd3b6
+	tailscale.com v1.24.2
+)
+
+require (
+	github.com/alexbrainman/sspi v0.0.0-20210105120005-909beea2cc74 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/fatih/color v1.13.0 // indirect
+	github.com/glebarez/go-sqlite v1.16.0 // indirect
+	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
+	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/go-cmp v0.5.7 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/josharian/native v1.0.0 // indirect
+	github.com/jsimonetti/rtnetlink v1.1.2-0.20220408201609-d380b505068b // indirect
+	github.com/labstack/gommon v0.3.1 // indirect
+	github.com/mattn/go-colorable v0.1.12 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/mdlayher/netlink v1.6.0 // indirect
+	github.com/mdlayher/socket v0.2.3 // indirect
+	github.com/prometheus/client_golang v1.11.0 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.32.1 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/remyoudompheng/bigfft v0.0.0-20200410134404-eec4a21b6bb0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/tkuchiki/go-timezone v0.2.0 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasttemplate v1.2.1 // indirect
+	go4.org/intern v0.0.0-20211027215823-ae77deb06f29 // indirect
+	go4.org/mem v0.0.0-20210711025021-927187094b94 // indirect
+	go4.org/unsafe/assume-no-moving-gc v0.0.0-20211027215541-db492cf91b37 // indirect
+	golang.org/x/sys v0.0.0-20220422013727-9388b58f7150 // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20211116232009-f0f3c7e86c11 // indirect
+	golang.zx2c4.com/wireguard/windows v0.4.10 // indirect
+	google.golang.org/genproto v0.0.0-20200825200019-8632dd797987 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	modernc.org/libc v1.14.12 // indirect
+	modernc.org/mathutil v1.4.1 // indirect
+	modernc.org/memory v1.0.7 // indirect
+	modernc.org/sqlite v1.16.0 // indirect
+)

go.sum

@@ -0,0 +1,815 @@
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internal/addr/addr.go

@@ -0,0 +1,55 @@
+package addr
+
+import (
+	"github.com/apparentlymart/go-cidr/cidr"
+	"github.com/jsiebens/ionscale/internal/util"
+	"inet.af/netaddr"
+	"math/big"
+	"net"
+	"tailscale.com/net/tsaddr"
+)
+
+var ipv4Range = tsaddr.CGNATRange().IPNet()
+
+type Predicate func(netaddr.IP) (bool, error)
+
+func SelectIP(predicate Predicate) (*netaddr.IP, *netaddr.IP, error) {
+	ip4, err := selectIP(ipv4Range, predicate)
+	if err != nil {
+		return nil, nil, err
+	}
+	ip6 := tsaddr.Tailscale4To6(*ip4)
+	return ip4, &ip6, err
+}
+
+func selectIP(c *net.IPNet, predicate Predicate) (*netaddr.IP, error) {
+	count := cidr.AddressCount(c)
+	var n = util.RandUint64(count)
+
+	for {
+		stdIP, err := cidr.HostBig(c, big.NewInt(int64(n)))
+		if err != nil {
+			return nil, err
+		}
+		ip, _ := netaddr.FromStdIP(stdIP)
+		ok, err := validateIP(ip, predicate)
+		if err != nil {
+			return nil, err
+		}
+		if ok {
+			return &ip, nil
+		}
+		n = (n + 1) % count
+	}
+}
+
+func validateIP(ip netaddr.IP, p Predicate) (bool, error) {
+	if tsaddr.IsTailscaleIP(ip) {
+		if p != nil {
+			return p(ip)
+		} else {
+			return true, nil
+		}
+	}
+	return false, nil
+}

internal/bind/binder.go

@@ -0,0 +1,163 @@
+package bind
+
+import (
+	"encoding/binary"
+	"encoding/json"
+	"fmt"
+	"github.com/jsiebens/ionscale/internal/util"
+	"github.com/klauspost/compress/zstd"
+	"github.com/labstack/echo/v4"
+	"io/ioutil"
+	"tailscale.com/types/key"
+)
+
+type Factory func(c echo.Context) (Binder, error)
+
+type Binder interface {
+	BindRequest(c echo.Context, v interface{}) error
+	WriteResponse(c echo.Context, code int, v interface{}) error
+	Marshal(compress string, v interface{}) ([]byte, error)
+	Peer() key.MachinePublic
+}
+
+func DefaultBinder(machineKey key.MachinePublic) Factory {
+	return func(c echo.Context) (Binder, error) {
+		return &defaultBinder{machineKey: machineKey}, nil
+	}
+}
+
+func BoxBinder(controlKey key.MachinePrivate) Factory {
+	return func(c echo.Context) (Binder, error) {
+		idParam := c.Param("id")
+
+		id, err := util.ParseMachinePublicKey(idParam)
+
+		if err != nil {
+			return nil, err
+		}
+
+		return &boxBinder{
+			controlKey: controlKey,
+			machineKey: *id,
+		}, nil
+	}
+}
+
+type defaultBinder struct {
+	machineKey key.MachinePublic
+}
+
+func (d *defaultBinder) BindRequest(c echo.Context, v interface{}) error {
+	body, err := ioutil.ReadAll(c.Request().Body)
+	if err != nil {
+		return err
+	}
+
+	return json.Unmarshal(body, v)
+}
+
+func (d *defaultBinder) WriteResponse(c echo.Context, code int, v interface{}) error {
+	marshalled, err := json.Marshal(v)
+	if err != nil {
+		return err
+	}
+
+	c.Response().WriteHeader(code)
+	_, err = c.Response().Write(marshalled)
+
+	return err
+}
+
+func (d *defaultBinder) Marshal(compress string, v interface{}) ([]byte, error) {
+	var payload []byte
+
+	marshalled, err := json.Marshal(v)
+	if err != nil {
+		return nil, err
+	}
+
+	if compress == "zstd" {
+		encoder, err := zstd.NewWriter(nil)
+		if err != nil {
+			return nil, err
+		}
+
+		payload = encoder.EncodeAll(marshalled, nil)
+	} else {
+		payload = marshalled
+	}
+
+	data := make([]byte, 4)
+	binary.LittleEndian.PutUint32(data, uint32(len(payload)))
+	data = append(data, payload...)
+
+	return data, nil
+}
+
+func (d *defaultBinder) Peer() key.MachinePublic {
+	return d.machineKey
+}
+
+type boxBinder struct {
+	controlKey key.MachinePrivate
+	machineKey key.MachinePublic
+}
+
+func (b *boxBinder) BindRequest(c echo.Context, v interface{}) error {
+	body, err := ioutil.ReadAll(c.Request().Body)
+	if err != nil {
+		return err
+	}
+
+	decrypted, ok := b.controlKey.OpenFrom(b.machineKey, body)
+	if !ok {
+		return fmt.Errorf("unable to decrypt payload")
+	}
+
+	return json.Unmarshal(decrypted, v)
+}
+
+func (b *boxBinder) WriteResponse(c echo.Context, code int, v interface{}) error {
+	marshalled, err := json.Marshal(v)
+	if err != nil {
+		return err
+	}
+
+	encrypted := b.controlKey.SealTo(b.machineKey, marshalled)
+
+	c.Response().WriteHeader(code)
+	_, err = c.Response().Write(encrypted)
+
+	return err
+}
+
+func (b *boxBinder) Marshal(compress string, v interface{}) ([]byte, error) {
+	var payload []byte
+
+	marshalled, err := json.Marshal(v)
+	if err != nil {
+		return nil, err
+	}
+
+	if compress == "zstd" {
+		encoder, err := zstd.NewWriter(nil)
+		if err != nil {
+			return nil, err
+		}
+
+		encoded := encoder.EncodeAll(marshalled, nil)
+		payload = b.controlKey.SealTo(b.machineKey, encoded)
+	} else {
+		payload = b.controlKey.SealTo(b.machineKey, marshalled)
+	}
+
+	data := make([]byte, 4)
+	binary.LittleEndian.PutUint32(data, uint32(len(payload)))
+	data = append(data, payload...)
+
+	return data, nil
+}
+
+func (b *boxBinder) Peer() key.MachinePublic {
+	return b.machineKey
+}

internal/broker/broker.go

@@ -0,0 +1,102 @@
+package broker
+
+import (
+	"sync"
+	"tailscale.com/types/key"
+)
+
+type BrokerPool struct {
+	lock  sync.Mutex
+	store map[uint64]Broker
+}
+
+type Signal struct {
+	PeerUpdated  *uint64
+	PeersRemoved []uint64
+}
+
+type Broker interface {
+	AddClient(*Client)
+	RemoveClient(uint64)
+
+	SignalPeerUpdated(id uint64)
+	SignalPeersRemoved([]uint64)
+
+	IsConnected(uint64) bool
+}
+
+func NewBrokerPool() *BrokerPool {
+	return &BrokerPool{
+		store: make(map[uint64]Broker),
+	}
+}
+
+func (m *BrokerPool) Get(tailnetID uint64) Broker {
+	m.lock.Lock()
+	defer m.lock.Unlock()
+	b, ok := m.store[tailnetID]
+	if !ok {
+		b = newBroker(tailnetID)
+		m.store[tailnetID] = b
+	}
+	return b
+}
+
+func newBroker(tailnetID uint64) Broker {
+	b := &broker{
+		tailnetID:      tailnetID,
+		newClients:     make(chan *Client),
+		closingClients: make(chan uint64),
+		clients:        make(map[uint64]*Client),
+		signalChannel:  make(chan *Signal),
+	}
+
+	go b.listen()
+
+	return b
+}
+
+type broker struct {
+	tailnetID      uint64
+	privateKey     *key.MachinePrivate
+	newClients     chan *Client
+	closingClients chan uint64
+	signalChannel  chan *Signal
+	clients        map[uint64]*Client
+}
+
+func (h *broker) IsConnected(id uint64) (ok bool) {
+	_, ok = h.clients[id]
+	return
+}
+
+func (h *broker) AddClient(client *Client) {
+	h.newClients <- client
+}
+
+func (h *broker) RemoveClient(id uint64) {
+	h.closingClients <- id
+}
+
+func (h *broker) SignalPeerUpdated(id uint64) {
+	h.signalChannel <- &Signal{PeerUpdated: &id}
+}
+
+func (h *broker) SignalPeersRemoved(ids []uint64) {
+	h.signalChannel <- &Signal{PeersRemoved: ids}
+}
+
+func (h *broker) listen() {
+	for {
+		select {
+		case s := <-h.newClients:
+			h.clients[s.id] = s
+		case s := <-h.closingClients:
+			delete(h.clients, s)
+		case s := <-h.signalChannel:
+			for _, c := range h.clients {
+				c.SignalUpdate(s)
+			}
+		}
+	}
+}

internal/broker/client.go

@@ -0,0 +1,26 @@
+package broker
+
+import (
+	"github.com/jsiebens/ionscale/internal/bind"
+	"tailscale.com/tailcfg"
+)
+
+func NewClient(id uint64, channel chan *Signal) Client {
+	return Client{
+		id:      id,
+		channel: channel,
+	}
+}
+
+type Client struct {
+	id     uint64
+	binder bind.Binder
+	node   *tailcfg.Node
+
+	compress string
+	channel  chan *Signal
+}
+
+func (c *Client) SignalUpdate(s *Signal) {
+	c.channel <- s
+}

internal/cmd/auth_key.go

@@ -0,0 +1,181 @@
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	"github.com/muesli/coral"
+	"github.com/rodaine/table"
+	str2dur "github.com/xhit/go-str2duration/v2"
+	"google.golang.org/protobuf/types/known/durationpb"
+	"time"
+)
+
+func authkeysCommand() *coral.Command {
+	command := &coral.Command{
+		Use: "auth-keys",
+	}
+
+	command.AddCommand(createAuthkeysCommand())
+	command.AddCommand(deleteAuthKeyCommand())
+	command.AddCommand(listAuthkeysCommand())
+
+	return command
+}
+
+func createAuthkeysCommand() *coral.Command {
+	command := &coral.Command{
+		Use:          "create",
+		SilenceUsage: true,
+	}
+
+	var tailnetID uint64
+	var tailnetName string
+	var ephemeral bool
+	var tags []string
+	var expiry string
+	var target = Target{}
+
+	target.prepareCommand(command)
+	command.Flags().StringVar(&tailnetName, "tailnet", "", "")
+	command.Flags().Uint64Var(&tailnetID, "tailnet-id", 0, "")
+	command.Flags().BoolVar(&ephemeral, "ephemeral", false, "")
+	command.Flags().StringSliceVar(&tags, "tag", []string{}, "")
+	command.Flags().StringVar(&expiry, "expiry", "180d", "")
+
+	command.RunE = func(command *coral.Command, args []string) error {
+		client, c, err := target.createGRPCClient()
+		if err != nil {
+			return err
+		}
+		defer safeClose(c)
+
+		tailnet, err := findTailnet(client, tailnetName, tailnetID)
+		if err != nil {
+			return err
+		}
+
+		var expiryDur *durationpb.Duration
+
+		if expiry != "" && expiry != "none" {
+			duration, err := str2dur.ParseDuration(expiry)
+			if err != nil {
+				return err
+			}
+			expiryDur = durationpb.New(duration)
+		}
+
+		req := &api.CreateAuthKeyRequest{
+			TailnetId: tailnet.Id,
+			Ephemeral: ephemeral,
+			Tags:      tags,
+			Expiry:    expiryDur,
+		}
+		resp, err := client.CreateAuthKey(context.Background(), req)
+
+		if err != nil {
+			return err
+		}
+
+		fmt.Println("")
+		fmt.Println("Generated new auth key")
+		fmt.Println("Be sure to copy your new key below. It won't be shown in full again.")
+		fmt.Println("")
+		fmt.Printf("  %s\n", resp.Value)
+		fmt.Println("")
+
+		return nil
+	}
+
+	return command
+}
+
+func deleteAuthKeyCommand() *coral.Command {
+	command := &coral.Command{
+		Use:          "delete",
+		SilenceUsage: true,
+	}
+
+	var authKeyId uint64
+	var target = Target{}
+	target.prepareCommand(command)
+	command.Flags().Uint64Var(&authKeyId, "id", 0, "")
+
+	command.RunE = func(command *coral.Command, args []string) error {
+		grpcClient, c, err := target.createGRPCClient()
+		if err != nil {
+			return err
+		}
+		defer safeClose(c)
+
+		req := api.DeleteAuthKeyRequest{AuthKeyId: authKeyId}
+		if _, err := grpcClient.DeleteAuthKey(context.Background(), &req); err != nil {
+			return err
+		}
+
+		fmt.Println("Auth key deleted.")
+
+		return nil
+	}
+
+	return command
+}
+
+func listAuthkeysCommand() *coral.Command {
+	command := &coral.Command{
+		Use:          "list",
+		SilenceUsage: true,
+	}
+
+	var tailnetID uint64
+	var tailnetName string
+	var target = Target{}
+
+	target.prepareCommand(command)
+	command.Flags().StringVar(&tailnetName, "tailnet", "", "")
+	command.Flags().Uint64Var(&tailnetID, "tailnet-id", 0, "")
+
+	command.RunE = func(command *coral.Command, args []string) error {
+		client, c, err := target.createGRPCClient()
+		if err != nil {
+			return err
+		}
+		defer safeClose(c)
+
+		tailnet, err := findTailnet(client, tailnetName, tailnetID)
+		if err != nil {
+			return err
+		}
+
+		req := &api.ListAuthKeysRequest{TailnetId: tailnet.Id}
+		resp, err := client.ListAuthKeys(context.Background(), req)
+
+		if err != nil {
+			return err
+		}
+
+		printAuthKeyTable(resp.AuthKeys...)
+
+		return nil
+	}
+
+	return command
+}
+
+func printAuthKeyTable(authKeys ...*api.AuthKey) {
+	tbl := table.New("ID", "VALUE", "EPHEMERAL", "EXPIRED", "CREATED_AT", "EXPIRES_AT")
+	for _, authKey := range authKeys {
+		addAuthKeyToTable(tbl, authKey)
+	}
+	tbl.Print()
+}
+
+func addAuthKeyToTable(tbl table.Table, authKey *api.AuthKey) {
+	var expired = false
+	var expiresAt = "never"
+	if authKey.ExpiresAt != nil {
+		expiresAt = authKey.ExpiresAt.AsTime().Local().Format("2006-01-02 15:04:05")
+		expired = time.Now().After(authKey.ExpiresAt.AsTime())
+	}
+	tbl.AddRow(authKey.Id, fmt.Sprintf("%s...", authKey.Key), authKey.Ephemeral, expired, authKey.CreatedAt.AsTime().Local().Format("2006-01-02 15:04:05"), expiresAt)
+}

internal/cmd/funcs.go

@@ -0,0 +1,33 @@
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	"io"
+)
+
+func findTailnet(client api.IonscaleClient, tailnet string, tailnetID uint64) (*api.Tailnet, error) {
+	if tailnetID == 0 && tailnet == "" {
+		return nil, fmt.Errorf("requested tailnet not found or you are not authorized for this tailnet")
+	}
+
+	tailnets, err := client.ListTailnets(context.Background(), &api.ListTailnetRequest{})
+	if err != nil {
+		return nil, err
+	}
+
+	for _, t := range tailnets.Tailnet {
+		if t.Id == tailnetID || t.Name == tailnet {
+			return t, nil
+		}
+	}
+
+	return nil, fmt.Errorf("requested tailnet not found or you are not authorized for this tailnet")
+}
+
+func safeClose(c io.Closer) {
+	if c != nil {
+		_ = c.Close()
+	}
+}

internal/cmd/machine.go

@@ -0,0 +1,110 @@
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	"github.com/muesli/coral"
+	"github.com/nleeper/goment"
+	"github.com/rodaine/table"
+)
+
+func machineCommands() *coral.Command {
+	command := &coral.Command{
+		Use:          "machines",
+		Short:        "Manage ionscale machines",
+		SilenceUsage: true,
+	}
+
+	command.AddCommand(deleteMachineCommand())
+	command.AddCommand(listMachinesCommand())
+
+	return command
+}
+
+func deleteMachineCommand() *coral.Command {
+	command := &coral.Command{
+		Use:          "delete",
+		Short:        "Deletes a machine",
+		SilenceUsage: true,
+	}
+
+	var machineID uint64
+	var target = Target{}
+	target.prepareCommand(command)
+	command.Flags().Uint64Var(&machineID, "machine-id", 0, "")
+
+	command.RunE = func(command *coral.Command, args []string) error {
+		client, c, err := target.createGRPCClient()
+		if err != nil {
+			return err
+		}
+		defer safeClose(c)
+
+		req := api.DeleteMachineRequest{MachineId: machineID}
+		if _, err := client.DeleteMachine(context.Background(), &req); err != nil {
+			return err
+		}
+
+		fmt.Println("Machine deleted.")
+
+		return nil
+	}
+
+	return command
+}
+
+func listMachinesCommand() *coral.Command {
+	command := &coral.Command{
+		Use:          "list",
+		Short:        "List machines",
+		SilenceUsage: true,
+	}
+
+	var tailnetID uint64
+	var tailnetName string
+
+	var target = Target{}
+	target.prepareCommand(command)
+	command.Flags().StringVar(&tailnetName, "tailnet", "", "")
+	command.Flags().Uint64Var(&tailnetID, "tailnet-id", 0, "")
+
+	command.RunE = func(command *coral.Command, args []string) error {
+		client, c, err := target.createGRPCClient()
+		if err != nil {
+			return err
+		}
+		defer safeClose(c)
+
+		tailnet, err := findTailnet(client, tailnetName, tailnetID)
+		if err != nil {
+			return err
+		}
+
+		req := api.ListMachinesRequest{TailnetId: tailnet.Id}
+		resp, err := client.ListMachines(context.Background(), &req)
+
+		if err != nil {
+			return err
+		}
+
+		tbl := table.New("ID", "TAILNET", "NAME", "IPv4", "IPv6", "EPHEMERAL", "LAST_SEEN", "USER")
+		for _, m := range resp.Machines {
+			var lastSeen = "N/A"
+			if m.Connected {
+				lastSeen = "Connected"
+			} else if m.LastSeen != nil {
+				mom, err := goment.New(m.LastSeen.AsTime())
+				if err == nil {
+					lastSeen = mom.FromNow()
+				}
+			}
+			tbl.AddRow(m.Id, m.Tailnet.Name, m.Name, m.Ipv4, m.Ipv6, m.Ephemeral, lastSeen, m.User.Name)
+		}
+		tbl.Print()
+
+		return nil
+	}
+
+	return command
+}

internal/cmd/root.go

@@ -0,0 +1,26 @@
+package cmd
+
+import (
+	"github.com/muesli/coral"
+)
+
+func Command() *coral.Command {
+	rootCmd := rootCommand()
+	rootCmd.AddCommand(serverCommand())
+	rootCmd.AddCommand(versionCommand())
+	rootCmd.AddCommand(tailnetCommand())
+	rootCmd.AddCommand(authkeysCommand())
+	rootCmd.AddCommand(machineCommands())
+
+	return rootCmd
+}
+
+func Execute() error {
+	return Command().Execute()
+}
+
+func rootCommand() *coral.Command {
+	return &coral.Command{
+		Use: "ionscale",
+	}
+}

internal/cmd/server.go

@@ -0,0 +1,31 @@
+package cmd
+
+import (
+	"github.com/jsiebens/ionscale/internal/config"
+	"github.com/jsiebens/ionscale/internal/server"
+	"github.com/muesli/coral"
+)
+
+func serverCommand() *coral.Command {
+	command := &coral.Command{
+		Use:          "server",
+		Short:        "Start an ionscale server",
+		SilenceUsage: true,
+	}
+
+	var configFile string
+
+	command.Flags().StringVarP(&configFile, "config", "c", "ionscale.yaml", "Path to the configuration file.")
+
+	command.RunE = func(command *coral.Command, args []string) error {
+
+		c, err := config.LoadConfig(configFile)
+		if err != nil {
+			return err
+		}
+
+		return server.Start(c)
+	}
+
+	return command
+}

internal/cmd/tailnet.go

@@ -0,0 +1,97 @@
+package cmd
+
+import (
+	"context"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	"github.com/muesli/coral"
+	"github.com/rodaine/table"
+)
+
+func tailnetCommand() *coral.Command {
+	command := &coral.Command{
+		Use:   "tailnets",
+		Short: "Manage ionscale tailnets",
+		Long:  "This command allows operations on ionscale tailnet resources.",
+	}
+
+	command.AddCommand(listTailnetsCommand())
+	command.AddCommand(createTailnetsCommand())
+
+	return command
+}
+
+func listTailnetsCommand() *coral.Command {
+	command := &coral.Command{
+		Use:          "list",
+		Short:        "List tailnets",
+		Long:         `List tailnets in this ionscale instance.`,
+		SilenceUsage: true,
+	}
+
+	var target = Target{}
+	target.prepareCommand(command)
+
+	command.RunE = func(command *coral.Command, args []string) error {
+
+		client, c, err := target.createGRPCClient()
+		if err != nil {
+			return err
+		}
+		defer safeClose(c)
+
+		resp, err := client.ListTailnets(context.Background(), &api.ListTailnetRequest{})
+
+		if err != nil {
+			return err
+		}
+
+		tbl := table.New("ID", "NAME")
+		for _, tailnet := range resp.Tailnet {
+			tbl.AddRow(tailnet.Id, tailnet.Name)
+		}
+		tbl.Print()
+
+		return nil
+	}
+
+	return command
+}
+
+func createTailnetsCommand() *coral.Command {
+	command := &coral.Command{
+		Use:          "create",
+		Short:        "Create a new tailnet",
+		Long:         `List tailnets in this ionscale instance.`,
+		SilenceUsage: true,
+	}
+
+	var name string
+	var target = Target{}
+	target.prepareCommand(command)
+
+	command.Flags().StringVarP(&name, "name", "n", "", "")
+	_ = command.MarkFlagRequired("name")
+
+	command.RunE = func(command *coral.Command, args []string) error {
+
+		client, c, err := target.createGRPCClient()
+		if err != nil {
+			return err
+		}
+		defer safeClose(c)
+
+		resp, err := client.CreateTailnet(context.Background(), &api.CreateTailnetRequest{Name: name})
+
+		if err != nil {
+			return err
+		}
+
+		tbl := table.New("ID", "NAME")
+		tbl.AddRow(resp.Tailnet.Id, resp.Tailnet.Name)
+		tbl.Print()
+
+		return nil
+	}
+
+	return command
+}

internal/cmd/target.go

@@ -0,0 +1,61 @@
+package cmd
+
+import (
+	"github.com/jsiebens/ionscale/internal/config"
+	"github.com/jsiebens/ionscale/pkg/client/ionscale"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	"github.com/muesli/coral"
+	"io"
+)
+
+const (
+	ionscaleSystemAdminKey     = "IONSCALE_ADMIN_KEY"
+	ionscaleAddr               = "IONSCALE_ADDR"
+	ionscaleInsecureSkipVerify = "IONSCALE_SKIP_VERIFY"
+)
+
+type Target struct {
+	addr               string
+	insecureSkipVerify bool
+	systemAdminKey     string
+}
+
+func (t *Target) prepareCommand(cmd *coral.Command) {
+	cmd.Flags().StringVar(&t.addr, "addr", "", "Addr of the ionscale server, as a complete URL")
+	cmd.Flags().BoolVar(&t.insecureSkipVerify, "tls-skip-verify", false, "Disable verification of TLS certificates")
+	cmd.Flags().StringVar(&t.systemAdminKey, "admin-key", "", "If specified, the given value will be used as the key to generate a Bearer token for the call. This can also be specified via the IONSCALE_ADMIN_KEY environment variable.")
+}
+
+func (t *Target) createGRPCClient() (api.IonscaleClient, io.Closer, error) {
+	addr := t.getAddr()
+	skipVerify := t.getInsecureSkipVerify()
+	systemAdminKey := t.getSystemAdminKey()
+
+	auth, err := ionscale.LoadClientAuth(systemAdminKey)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	return ionscale.NewClient(auth, addr, skipVerify)
+}
+
+func (t *Target) getAddr() string {
+	if len(t.addr) != 0 {
+		return t.addr
+	}
+	return config.GetString(ionscaleAddr, "https://localhost:8000")
+}
+
+func (t *Target) getInsecureSkipVerify() bool {
+	if t.insecureSkipVerify {
+		return true
+	}
+	return config.GetBool(ionscaleInsecureSkipVerify, false)
+}
+
+func (t *Target) getSystemAdminKey() string {
+	if len(t.systemAdminKey) != 0 {
+		return t.systemAdminKey
+	}
+	return config.GetString(ionscaleSystemAdminKey, "")
+}

internal/cmd/version.go

@@ -0,0 +1,58 @@
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"github.com/jsiebens/ionscale/internal/version"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	"github.com/muesli/coral"
+)
+
+func versionCommand() *coral.Command {
+	var command = &coral.Command{
+		Use:          "version",
+		Short:        "Display version information",
+		SilenceUsage: true,
+	}
+
+	var target = Target{}
+	target.prepareCommand(command)
+
+	command.Run = func(cmd *coral.Command, args []string) {
+		clientVersion, clientRevision := version.GetReleaseInfo()
+		fmt.Printf(`
+Client:
+ Version:       %s 
+ Git Revision:  %s
+`, clientVersion, clientRevision)
+
+		client, c, err := target.createGRPCClient()
+		if err != nil {
+			fmt.Printf(`
+Server:
+ Error:         %s
+`, err)
+			return
+		}
+		defer safeClose(c)
+
+		resp, err := client.GetVersion(context.Background(), &api.GetVersionRequest{})
+		if err != nil {
+			fmt.Printf(`
+Server:
+ Error:         %s
+`, err)
+			return
+		}
+
+		fmt.Printf(`
+Server:
+ Addr:          %s
+ Version:       %s 
+ Git Revision:  %s
+`, target.getAddr(), resp.Version, resp.Revision)
+
+	}
+
+	return command
+}

internal/config/config.go

@@ -0,0 +1,144 @@
+package config
+
+import (
+	"fmt"
+	"github.com/jsiebens/ionscale/internal/util"
+	"github.com/mitchellh/go-homedir"
+	"gopkg.in/yaml.v3"
+	"io/ioutil"
+	"strings"
+	"tailscale.com/types/key"
+)
+
+func LoadConfig(path string) (*Config, error) {
+	config := defaultConfig()
+
+	if len(path) != 0 {
+		expandedPath, err := homedir.Expand(path)
+		if err != nil {
+			return nil, err
+		}
+		b, err := ioutil.ReadFile(expandedPath)
+		if err != nil {
+			return nil, err
+		}
+
+		if err := yaml.Unmarshal(b, config); err != nil {
+			return nil, err
+		}
+	}
+
+	return config, nil
+}
+
+const (
+	listenAddrKey           = "IONSCALE_LISTEN_ADDR"
+	serverUrlKey            = "IONSCALE_SERVER_URL"
+	keysSystemAdminKeyKey   = "IONSCALE_SYSTEM_ADMIN_KEY"
+	keysControlKeyKey       = "IONSCALE_CONTROL_KEY"
+	keysLegacyControlKeyKey = "IONSCALE_LEGACY_CONTROL_KEY"
+	databaseUrlKey          = "IONSCALE_DB_URL"
+	tlsDisableKey           = "IONSCALE_TLS_DISABLE"
+	tlsCertFileKey          = "IONSCALE_TLS_CERT_FILE"
+	tlsKeyFileKey           = "IONSCALE_TLS_KEY_FILE"
+	metricsListenAddrKey    = "IONSCALE_METRICS_LISTEN_ADDR"
+	loggingLevelKey         = "IONSCALE_LOGGING_LEVEL"
+	loggingFormatKey        = "IONSCALE_LOGGING_FORMAT"
+	loggingFileKey          = "IONSCALE_LOGGING_FILE"
+)
+
+func defaultConfig() *Config {
+	return &Config{
+		ListenAddr: GetString(listenAddrKey, ":8000"),
+		ServerUrl:  GetString(serverUrlKey, "https://localhost:8000"),
+		Keys: Keys{
+			SystemAdminKey:   GetString(keysSystemAdminKeyKey, ""),
+			ControlKey:       GetString(keysControlKeyKey, ""),
+			LegacyControlKey: GetString(keysLegacyControlKeyKey, ""),
+		},
+		Database: Database{
+			Url: GetString(databaseUrlKey, "ionscale.db"),
+		},
+		Tls: Tls{
+			Disable:  GetBool(tlsDisableKey, false),
+			CertFile: GetString(tlsCertFileKey, ""),
+			KeyFile:  GetString(tlsKeyFileKey, ""),
+		},
+		Metrics: Metrics{ListenAddr: GetString(metricsListenAddrKey, ":8001")},
+		Logging: Logging{
+			Level:  GetString(loggingLevelKey, "info"),
+			Format: GetString(loggingFormatKey, ""),
+			File:   GetString(loggingFileKey, ""),
+		},
+	}
+}
+
+type ServerKeys struct {
+	SystemAdminKey   key.MachinePrivate
+	ControlKey       key.MachinePrivate
+	LegacyControlKey key.MachinePrivate
+}
+
+type Config struct {
+	ListenAddr string   `yaml:"listen_addr"`
+	ServerUrl  string   `yaml:"server_url"`
+	Tls        Tls      `yaml:"tls"`
+	Metrics    Metrics  `yaml:"metrics"`
+	Logging    Logging  `yaml:"logging"`
+	Keys       Keys     `yaml:"keys"`
+	Database   Database `yaml:"database"`
+}
+
+type Metrics struct {
+	ListenAddr string `yaml:"listen_addr"`
+}
+
+type Tls struct {
+	Disable  bool   `yaml:"disable"`
+	CertFile string `yaml:"cert_file"`
+	KeyFile  string `yaml:"key_file"`
+}
+
+type Logging struct {
+	Level  string `yaml:"level"`
+	Format string `yaml:"format"`
+	File   string `yaml:"file"`
+}
+
+type Database struct {
+	Url string `yaml:"url"`
+}
+
+type Keys struct {
+	SystemAdminKey   string `yaml:"system_admin_key"`
+	ControlKey       string `yaml:"control_key"`
+	LegacyControlKey string `yaml:"legacy_control_key"`
+}
+
+func (c *Config) CreateUrl(format string, a ...interface{}) string {
+	path := fmt.Sprintf(format, a...)
+	return strings.TrimSuffix(c.ServerUrl, "/") + "/" + strings.TrimPrefix(path, "/")
+}
+
+func (c *Config) ReadServerKeys() (*ServerKeys, error) {
+	systemAdminKey, err := util.ParseMachinePrivateKey(c.Keys.SystemAdminKey)
+	if err != nil {
+		return nil, fmt.Errorf("error reading system admin key: %v", err)
+	}
+
+	controlKey, err := util.ParseMachinePrivateKey(c.Keys.ControlKey)
+	if err != nil {
+		return nil, fmt.Errorf("error reading control key: %v", err)
+	}
+
+	legacyControlKey, err := util.ParseMachinePrivateKey(c.Keys.LegacyControlKey)
+	if err != nil {
+		return nil, fmt.Errorf("error reading legacy control key: %v", err)
+	}
+
+	return &ServerKeys{
+		SystemAdminKey:   *systemAdminKey,
+		ControlKey:       *controlKey,
+		LegacyControlKey: *legacyControlKey,
+	}, nil
+}

internal/config/funcs.go

@@ -0,0 +1,22 @@
+package config
+
+import (
+	"os"
+	"strings"
+)
+
+func GetBool(key string, defaultValue bool) bool {
+	v := os.Getenv(key)
+	if len(v) > 0 {
+		return strings.ToLower(v) == "true"
+	}
+	return defaultValue
+}
+
+func GetString(key, defaultValue string) string {
+	v := os.Getenv(key)
+	if v != "" {
+		return v
+	}
+	return defaultValue
+}

internal/database/database.go

@@ -0,0 +1,133 @@
+package database
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"github.com/glebarez/sqlite"
+	"github.com/hashicorp/go-hclog"
+	"net/http"
+	"tailscale.com/tailcfg"
+	"time"
+
+	"github.com/jsiebens/ionscale/internal/config"
+	"github.com/jsiebens/ionscale/internal/domain"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+)
+
+func OpenDB(config *config.Database, logger hclog.Logger) (*gorm.DB, domain.Repository, error) {
+	gormDB, err := createDB(config, logger)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	repository := domain.NewRepository(gormDB)
+
+	if err := migrate(gormDB, repository); err != nil {
+		return nil, nil, err
+	}
+
+	return gormDB, repository, nil
+}
+
+func createDB(config *config.Database, logger hclog.Logger) (*gorm.DB, error) {
+	gormConfig := &gorm.Config{
+		Logger: &GormLoggerAdapter{logger: logger.Named("db")},
+	}
+
+	return gorm.Open(sqlite.Open(config.Url), gormConfig)
+}
+
+func migrate(db *gorm.DB, repository domain.Repository) error {
+	err := db.AutoMigrate(
+		&domain.ServerConfig{},
+		&domain.Tailnet{},
+		&domain.User{},
+		&domain.AuthKey{},
+		&domain.Machine{},
+	)
+
+	if err != nil {
+		return err
+	}
+
+	if err := initializeDERPMap(repository); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func initializeDERPMap(repository domain.Repository) error {
+	ctx := context.Background()
+	derpMap, err := repository.GetDERPMap(ctx)
+	if err != nil {
+		return err
+	}
+	if derpMap != nil {
+		return nil
+	}
+
+	getJson := func(url string, target interface{}) error {
+		c := http.Client{Timeout: 5 * time.Second}
+		r, err := c.Get(url)
+		if err != nil {
+			return err
+		}
+		defer r.Body.Close()
+
+		return json.NewDecoder(r.Body).Decode(target)
+	}
+
+	m := &tailcfg.DERPMap{}
+	if err := getJson("https://controlplane.tailscale.com/derpmap/default", m); err != nil {
+		return err
+	}
+
+	if err := repository.SetDERPMap(ctx, m); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+type GormLoggerAdapter struct {
+	logger hclog.Logger
+}
+
+func (g *GormLoggerAdapter) LogMode(level logger.LogLevel) logger.Interface {
+	return g
+}
+
+func (g *GormLoggerAdapter) Info(ctx context.Context, s string, i ...interface{}) {
+	g.logger.Info(s, i)
+}
+
+func (g *GormLoggerAdapter) Warn(ctx context.Context, s string, i ...interface{}) {
+	g.logger.Warn(s, i)
+}
+
+func (g *GormLoggerAdapter) Error(ctx context.Context, s string, i ...interface{}) {
+	g.logger.Error(s, i)
+}
+
+func (g *GormLoggerAdapter) Trace(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error) {
+	elapsed := time.Since(begin)
+	switch {
+	case err != nil && !errors.Is(err, gorm.ErrRecordNotFound):
+		sql, rows := fc()
+		if rows == -1 {
+			g.logger.Error("Error executing query", "sql", sql, "start_time", begin.Format(time.RFC3339), "duration", elapsed, "err", err)
+		} else {
+			g.logger.Error("Error executing query", "sql", sql, "start_time", begin.Format(time.RFC3339), "duration", elapsed, "rows", rows, "err", err)
+		}
+	case g.logger.IsTrace():
+		sql, rows := fc()
+		if rows == -1 {
+			g.logger.Trace("Statement executed", "sql", sql, "start_time", begin.Format(time.RFC3339), "duration", elapsed)
+		} else {
+			g.logger.Trace("Statement executed", "sql", sql, "start_time", begin.Format(time.RFC3339), "duration", elapsed, "rows", rows)
+		}
+	}
+}

internal/domain/auth_key.go

@@ -0,0 +1,109 @@
+package domain
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/jsiebens/ionscale/internal/util"
+	"golang.org/x/crypto/bcrypt"
+	"gorm.io/gorm"
+	"strings"
+	"time"
+)
+
+func CreateAuthKey(tailnet *Tailnet, user *User, ephemeral bool, tags Tags, expiresAt *time.Time) (string, *AuthKey) {
+	key := util.RandStringBytes(12)
+	pwd := util.RandStringBytes(22)
+	value := fmt.Sprintf("%s_%s", key, pwd)
+
+	hash, err := bcrypt.GenerateFromPassword([]byte(pwd), bcrypt.DefaultCost)
+	if err != nil {
+		panic(err)
+	}
+
+	return value, &AuthKey{
+		ID:        util.NextID(),
+		Key:       key,
+		Hash:      string(hash),
+		Ephemeral: ephemeral,
+		Tags:      tags,
+		CreatedAt: time.Now().UTC(),
+		ExpiresAt: expiresAt,
+
+		TailnetID: tailnet.ID,
+		UserID:    user.ID,
+	}
+}
+
+type AuthKey struct {
+	ID        uint64 `gorm:"primary_key;autoIncrement:false"`
+	Key       string `gorm:"type:varchar(64);unique_index"`
+	Hash      string
+	Ephemeral bool
+	Tags      Tags
+
+	CreatedAt time.Time
+	ExpiresAt *time.Time
+
+	TailnetID uint64
+	Tailnet   Tailnet
+
+	UserID uint64
+	User   User
+}
+
+func (r *repository) SaveAuthKey(ctx context.Context, key *AuthKey) error {
+	tx := r.withContext(ctx).Save(key)
+
+	if tx.Error != nil {
+		return tx.Error
+	}
+
+	return nil
+}
+
+func (r *repository) DeleteAuthKey(ctx context.Context, id uint64) (bool, error) {
+	tx := r.withContext(ctx).Delete(&AuthKey{}, id)
+	return tx.RowsAffected == 1, tx.Error
+}
+
+func (r *repository) ListAuthKeys(ctx context.Context, tailnetID uint64) ([]AuthKey, error) {
+	var authKeys = []AuthKey{}
+	tx := (r.withContext(ctx).
+		Preload("User").
+		Preload("Tailnet")).
+		Where("tailnet_id = ?", tailnetID).
+		Find(&authKeys)
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+	return authKeys, nil
+}
+
+func (r *repository) LoadAuthKey(ctx context.Context, key string) (*AuthKey, error) {
+	split := strings.Split(key, "_")
+	if len(split) != 2 {
+		return nil, nil
+	}
+
+	var m AuthKey
+	tx := r.withContext(ctx).Preload("User").Preload("Tailnet").First(&m, "key = ?", split[0])
+
+	if errors.Is(tx.Error, gorm.ErrRecordNotFound) {
+		return nil, nil
+	}
+
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	if err := bcrypt.CompareHashAndPassword([]byte(m.Hash), []byte(split[1])); err != nil {
+		return nil, nil
+	}
+
+	if !m.ExpiresAt.IsZero() && m.ExpiresAt.Before(time.Now()) {
+		return nil, nil
+	}
+
+	return &m, nil
+}

internal/domain/machine.go

@@ -0,0 +1,253 @@
+package domain
+
+import (
+	"context"
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"gorm.io/gorm"
+	"gorm.io/gorm/schema"
+	"tailscale.com/tailcfg"
+	"time"
+)
+
+type Machine struct {
+	ID             uint64 `gorm:"primary_key;autoIncrement:false"`
+	Name           string
+	NameIdx        uint64
+	MachineKey     string
+	NodeKey        string
+	DiscoKey       string
+	Ephemeral      bool
+	RegisteredTags Tags
+	Tags           Tags
+
+	HostInfo  HostInfo
+	Endpoints Endpoints
+
+	IPv4 string
+	IPv6 string
+
+	CreatedAt time.Time
+	ExpiresAt *time.Time
+	LastSeen  *time.Time
+
+	UserID uint64
+	User   User
+
+	TailnetID uint64
+	Tailnet   Tailnet
+}
+
+type Machines []Machine
+
+type HostInfo tailcfg.Hostinfo
+
+func (hi *HostInfo) Scan(destination interface{}) error {
+	switch value := destination.(type) {
+	case []byte:
+		return json.Unmarshal(value, hi)
+	default:
+		return fmt.Errorf("unexpected data type %T", destination)
+	}
+}
+
+func (hi HostInfo) Value() (driver.Value, error) {
+	bytes, err := json.Marshal(hi)
+	return bytes, err
+}
+
+// GormDataType gorm common data type
+func (HostInfo) GormDataType() string {
+	return "json"
+}
+
+// GormDBDataType gorm db data type
+func (HostInfo) GormDBDataType(db *gorm.DB, field *schema.Field) string {
+	switch db.Dialector.Name() {
+	case "sqlite":
+		return "JSON"
+	}
+	return ""
+}
+
+type Endpoints []string
+
+func (hi *Endpoints) Scan(destination interface{}) error {
+	switch value := destination.(type) {
+	case []byte:
+		return json.Unmarshal(value, hi)
+	default:
+		return fmt.Errorf("unexpected data type %T", destination)
+	}
+}
+
+func (hi Endpoints) Value() (driver.Value, error) {
+	bytes, err := json.Marshal(hi)
+	return bytes, err
+}
+
+// GormDataType gorm common data type
+func (Endpoints) GormDataType() string {
+	return "json"
+}
+
+// GormDBDataType gorm db data type
+func (Endpoints) GormDBDataType(db *gorm.DB, field *schema.Field) string {
+	switch db.Dialector.Name() {
+	case "sqlite":
+		return "JSON"
+	}
+	return ""
+}
+
+func (r *repository) SaveMachine(ctx context.Context, machine *Machine) error {
+	tx := r.withContext(ctx).Save(machine)
+
+	if tx.Error != nil {
+		return tx.Error
+	}
+
+	return nil
+}
+
+func (r *repository) DeleteMachine(ctx context.Context, id uint64) (bool, error) {
+	tx := r.withContext(ctx).Delete(&Machine{}, id)
+	return tx.RowsAffected == 1, tx.Error
+}
+
+func (r *repository) GetMachine(ctx context.Context, machineID uint64) (*Machine, error) {
+	var m Machine
+	tx := r.withContext(ctx).Preload("Tailnet").Preload("User").First(&m, "id = ?", machineID)
+
+	if errors.Is(tx.Error, gorm.ErrRecordNotFound) {
+		return nil, nil
+	}
+
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	return &m, nil
+}
+
+func (r *repository) GetNextMachineNameIndex(ctx context.Context, tailnetID uint64, name string) (uint64, error) {
+	var m Machine
+
+	tx := r.withContext(ctx).
+		Where("name = ? AND tailnet_id = ?", name, tailnetID).
+		Order("name_idx desc").
+		First(&m)
+
+	if errors.Is(tx.Error, gorm.ErrRecordNotFound) {
+		return 0, nil
+	}
+
+	if tx.Error != nil {
+		return 0, tx.Error
+	}
+
+	return m.NameIdx + 1, nil
+}
+
+func (r *repository) GetMachineByKey(ctx context.Context, tailnetID uint64, machineKey string) (*Machine, error) {
+	var m Machine
+	tx := r.withContext(ctx).Preload("Tailnet").Preload("User").First(&m, "tailnet_id = ? AND machine_key = ?", tailnetID, machineKey)
+
+	if errors.Is(tx.Error, gorm.ErrRecordNotFound) {
+		return nil, nil
+	}
+
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	return &m, nil
+}
+
+func (r *repository) GetMachineByKeys(ctx context.Context, machineKey string, nodeKey string) (*Machine, error) {
+	var m Machine
+	tx := r.withContext(ctx).Preload("Tailnet").Preload("User").First(&m, "machine_key = ? AND node_key = ?", machineKey, nodeKey)
+
+	if errors.Is(tx.Error, gorm.ErrRecordNotFound) {
+		return nil, nil
+	}
+
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	return &m, nil
+}
+
+func (r *repository) CountMachinesWithIPv4(ctx context.Context, ip string) (int64, error) {
+	var count int64
+
+	tx := r.withContext(ctx).Model(&Machine{}).Where("ipv4 = ?", ip).Count(&count)
+
+	if tx.Error != nil {
+		return 0, tx.Error
+	}
+
+	return count, nil
+}
+
+func (r *repository) ListMachineByTailnet(ctx context.Context, tailnetID uint64) (Machines, error) {
+	var machines = []Machine{}
+
+	tx := r.withContext(ctx).
+		Preload("Tailnet").
+		Preload("User").
+		Where("tailnet_id = ?", tailnetID).
+		Order("name asc, name_idx asc").
+		Find(&machines)
+
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	return machines, nil
+}
+
+func (r *repository) ListMachinePeers(ctx context.Context, tailnetID uint64, key string) (Machines, error) {
+	var machines = []Machine{}
+
+	tx := r.withContext(ctx).
+		Preload("Tailnet").
+		Preload("User").
+		Where("tailnet_id = ? AND machine_key <> ?", tailnetID, key).
+		Order("id asc").
+		Find(&machines)
+
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	return machines, nil
+}
+
+func (r *repository) ListInactiveEphemeralMachines(ctx context.Context, t time.Time) (Machines, error) {
+	var machines = []Machine{}
+
+	tx := r.withContext(ctx).
+		Where("ephemeral = ? AND last_seen < ?", true, t.UTC()).
+		Find(&machines)
+
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	return machines, nil
+}
+
+func (r *repository) SetMachineLastSeen(ctx context.Context, machineID uint64) error {
+	now := time.Now().UTC()
+	tx := r.withContext(ctx).Model(Machine{}).Where("id = ?", machineID).Updates(map[string]interface{}{"last_seen": &now})
+
+	if tx.Error != nil {
+		return tx.Error
+	}
+
+	return nil
+}

internal/domain/repository.go

@@ -0,0 +1,51 @@
+package domain
+
+import (
+	"context"
+	"gorm.io/gorm"
+	"tailscale.com/tailcfg"
+	"time"
+)
+
+type Repository interface {
+	GetDERPMap(ctx context.Context) (*tailcfg.DERPMap, error)
+	SetDERPMap(ctx context.Context, v *tailcfg.DERPMap) error
+
+	GetOrCreateTailnet(ctx context.Context, name string) (*Tailnet, bool, error)
+	GetTailnet(ctx context.Context, id uint64) (*Tailnet, error)
+	ListTailnets(ctx context.Context) ([]Tailnet, error)
+
+	SaveAuthKey(ctx context.Context, key *AuthKey) error
+	DeleteAuthKey(ctx context.Context, id uint64) (bool, error)
+	ListAuthKeys(ctx context.Context, tailnetID uint64) ([]AuthKey, error)
+	LoadAuthKey(ctx context.Context, key string) (*AuthKey, error)
+
+	GetOrCreateServiceUser(ctx context.Context, tailnet *Tailnet) (*User, bool, error)
+	ListUsers(ctx context.Context, tailnetID uint64) (Users, error)
+
+	SaveMachine(ctx context.Context, m *Machine) error
+	DeleteMachine(ctx context.Context, id uint64) (bool, error)
+	GetMachine(ctx context.Context, id uint64) (*Machine, error)
+	GetMachineByKey(ctx context.Context, tailnetID uint64, key string) (*Machine, error)
+	GetMachineByKeys(ctx context.Context, machineKey string, nodeKey string) (*Machine, error)
+	CountMachinesWithIPv4(ctx context.Context, ip string) (int64, error)
+	GetNextMachineNameIndex(ctx context.Context, tailnetID uint64, name string) (uint64, error)
+	ListMachineByTailnet(ctx context.Context, tailnetID uint64) (Machines, error)
+	ListMachinePeers(ctx context.Context, tailnetID uint64, key string) (Machines, error)
+	ListInactiveEphemeralMachines(ctx context.Context, checkpoint time.Time) (Machines, error)
+	SetMachineLastSeen(ctx context.Context, machineID uint64) error
+}
+
+func NewRepository(db *gorm.DB) Repository {
+	return &repository{
+		db: db,
+	}
+}
+
+type repository struct {
+	db *gorm.DB
+}
+
+func (r *repository) withContext(ctx context.Context) *gorm.DB {
+	return r.db.WithContext(ctx)
+}

internal/domain/server_config.go

@@ -0,0 +1,63 @@
+package domain
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"gorm.io/gorm"
+	"tailscale.com/tailcfg"
+)
+
+type ServerConfig struct {
+	Key   string `gorm:"primary_key"`
+	Value []byte
+}
+
+func (r *repository) GetDERPMap(ctx context.Context) (*tailcfg.DERPMap, error) {
+	var m tailcfg.DERPMap
+	err := r.getServerConfig(ctx, "derp_map", &m)
+
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, nil
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &m, nil
+}
+
+func (r *repository) SetDERPMap(ctx context.Context, v *tailcfg.DERPMap) error {
+	return r.setServerConfig(ctx, "derp_map", v)
+}
+
+func (r *repository) getServerConfig(ctx context.Context, s string, v interface{}) error {
+	var m ServerConfig
+	tx := r.withContext(ctx).Take(&m, "key = ?", s)
+
+	if tx.Error != nil {
+		return tx.Error
+	}
+
+	err := json.Unmarshal(m.Value, v)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (r *repository) setServerConfig(ctx context.Context, s string, v interface{}) error {
+	marshal, err := json.Marshal(v)
+	if err != nil {
+		return err
+	}
+	c := &ServerConfig{
+		Key:   s,
+		Value: marshal,
+	}
+	tx := r.withContext(ctx).Save(c)
+
+	return tx.Error
+}

internal/domain/tags.go

@@ -0,0 +1,48 @@
+package domain
+
+import (
+	"database/sql/driver"
+	"fmt"
+	"strings"
+)
+
+type Tags []string
+
+func (i *Tags) Scan(destination interface{}) error {
+	switch value := destination.(type) {
+	case string:
+		t := strings.Trim(value, "|")
+		if len(t) == 0 {
+			*i = []string{}
+		} else {
+			*i = strings.Split(t, "|")
+		}
+	default:
+		return fmt.Errorf("unexpected data type %T", destination)
+	}
+	return nil
+}
+
+func (i Tags) Value() (driver.Value, error) {
+	v := "|" + strings.Join(i, "|") + "|"
+	return v, nil
+}
+
+func SanitizeTags(input []string) Tags {
+	keys := make(map[string]bool)
+	var tags []string
+	for _, v := range input {
+		var entry string
+		if strings.HasPrefix(v, "tag:") {
+			entry = v[4:]
+		} else {
+			entry = v
+		}
+
+		if _, value := keys[entry]; !value {
+			keys[entry] = true
+			tags = append(tags, entry)
+		}
+	}
+	return tags
+}

internal/domain/tailnet.go

@@ -0,0 +1,50 @@
+package domain
+
+import (
+	"context"
+	"errors"
+	"github.com/jsiebens/ionscale/internal/util"
+	"gorm.io/gorm"
+)
+
+type Tailnet struct {
+	ID   uint64 `gorm:"primary_key;autoIncrement:false"`
+	Name string `gorm:"type:varchar(64);unique_index"`
+}
+
+func (r *repository) GetOrCreateTailnet(ctx context.Context, name string) (*Tailnet, bool, error) {
+	tailnet := &Tailnet{}
+	id := util.NextID()
+
+	tx := r.withContext(ctx).Where(Tailnet{Name: name}).Attrs(Tailnet{ID: id}).FirstOrCreate(tailnet)
+
+	if tx.Error != nil {
+		return nil, false, tx.Error
+	}
+
+	return tailnet, tailnet.ID == id, nil
+}
+
+func (r *repository) GetTailnet(ctx context.Context, id uint64) (*Tailnet, error) {
+	var t Tailnet
+	tx := r.withContext(ctx).Take(&t, "id = ?", id)
+
+	if errors.Is(tx.Error, gorm.ErrRecordNotFound) {
+		return nil, nil
+	}
+
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	return &t, nil
+}
+
+func (r *repository) ListTailnets(ctx context.Context) ([]Tailnet, error) {
+	var tailnets = []Tailnet{}
+	tx := r.withContext(ctx).Find(&tailnets)
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+	return tailnets, nil
+}

internal/domain/user.go

@@ -0,0 +1,51 @@
+package domain
+
+import (
+	"context"
+	"github.com/jsiebens/ionscale/internal/util"
+)
+
+type TailnetRole string
+
+const (
+	TailnetRoleService TailnetRole = "service"
+)
+
+type User struct {
+	ID   uint64 `gorm:"primary_key;autoIncrement:false"`
+	Name string
+
+	TailnetRole TailnetRole
+	TailnetID   uint64
+	Tailnet     Tailnet
+}
+
+type Users []User
+
+func (r *repository) GetOrCreateServiceUser(ctx context.Context, tailnet *Tailnet) (*User, bool, error) {
+	user := &User{}
+	id := util.NextID()
+
+	query := User{Name: tailnet.Name, TailnetID: tailnet.ID, TailnetRole: TailnetRoleService}
+	attrs := User{ID: id, Name: tailnet.Name, TailnetID: tailnet.ID, TailnetRole: TailnetRoleService}
+
+	tx := r.withContext(ctx).Where(query).Attrs(attrs).FirstOrCreate(user)
+
+	if tx.Error != nil {
+		return nil, false, tx.Error
+	}
+
+	return user, user.ID == id, nil
+}
+
+func (r *repository) ListUsers(ctx context.Context, tailnetID uint64) (Users, error) {
+	var users = []User{}
+
+	tx := r.withContext(ctx).Where("tailnet_id = ?", tailnetID).Find(&users)
+
+	if tx.Error != nil {
+		return nil, tx.Error
+	}
+
+	return users, nil
+}

internal/handlers/authentication.go

@@ -0,0 +1,163 @@
+package handlers
+
+import (
+	"github.com/jsiebens/ionscale/internal/addr"
+	"net/http"
+	"time"
+
+	"github.com/jsiebens/ionscale/internal/config"
+	"github.com/jsiebens/ionscale/internal/domain"
+	"github.com/jsiebens/ionscale/internal/util"
+	"github.com/labstack/echo/v4"
+	"github.com/patrickmn/go-cache"
+	"tailscale.com/util/dnsname"
+)
+
+func NewAuthenticationHandlers(
+	config *config.Config,
+	repository domain.Repository,
+	pendingMachineRegistrationRequests *cache.Cache) *AuthenticationHandlers {
+	return &AuthenticationHandlers{
+		config:                             config,
+		repository:                         repository,
+		pendingMachineRegistrationRequests: pendingMachineRegistrationRequests,
+	}
+}
+
+type AuthenticationHandlers struct {
+	repository                         domain.Repository
+	config                             *config.Config
+	pendingMachineRegistrationRequests *cache.Cache
+}
+
+func (h *AuthenticationHandlers) StartAuth(c echo.Context) error {
+	key := c.Param("key")
+	authKey := c.FormValue("ak")
+
+	if _, ok := h.pendingMachineRegistrationRequests.Get(key); !ok {
+		return c.Redirect(http.StatusFound, "/a/error")
+	}
+
+	if authKey != "" {
+		return h.endMachineRegistrationFlow(c, key, authKey)
+	}
+
+	return c.Render(http.StatusOK, "auth.html", nil)
+}
+
+func (h *AuthenticationHandlers) Success(c echo.Context) error {
+	return c.Render(http.StatusOK, "success.html", nil)
+}
+
+func (h *AuthenticationHandlers) Error(c echo.Context) error {
+	e := c.QueryParam("e")
+	switch e {
+	case "iak":
+		return c.Render(http.StatusForbidden, "invalidauthkey.html", nil)
+	}
+	return c.Render(http.StatusOK, "error.html", nil)
+}
+
+func (h *AuthenticationHandlers) endMachineRegistrationFlow(c echo.Context, registrationKey, authKeyParam string) error {
+	ctx := c.Request().Context()
+
+	defer h.pendingMachineRegistrationRequests.Delete(registrationKey)
+
+	preqItem, preqOK := h.pendingMachineRegistrationRequests.Get(registrationKey)
+	if !preqOK {
+		return c.Redirect(http.StatusFound, "/a/error")
+	}
+
+	preq := preqItem.(*pendingMachineRegistrationRequest)
+	req := preq.request
+	machineKey := preq.machineKey
+	nodeKey := req.NodeKey.String()
+
+	authKey, err := h.repository.LoadAuthKey(ctx, authKeyParam)
+	if err != nil {
+		return err
+	}
+
+	if authKey == nil {
+		return c.Redirect(http.StatusFound, "/a/error?e=iak")
+	}
+
+	tailnet := authKey.Tailnet
+	user := authKey.User
+
+	var m *domain.Machine
+
+	m, err = h.repository.GetMachineByKey(ctx, tailnet.ID, machineKey)
+	if err != nil {
+		return err
+	}
+
+	if m == nil {
+		now := time.Now().UTC()
+
+		registeredTags := authKey.Tags
+		advertisedTags := domain.SanitizeTags(req.Hostinfo.RequestTags)
+		tags := append(registeredTags, advertisedTags...)
+
+		sanitizeHostname := dnsname.SanitizeHostname(req.Hostinfo.Hostname)
+		nameIdx, err := h.repository.GetNextMachineNameIndex(ctx, tailnet.ID, sanitizeHostname)
+		if err != nil {
+			return err
+		}
+
+		m = &domain.Machine{
+			ID:             util.NextID(),
+			Name:           sanitizeHostname,
+			NameIdx:        nameIdx,
+			MachineKey:     machineKey,
+			NodeKey:        nodeKey,
+			Ephemeral:      authKey.Ephemeral,
+			RegisteredTags: registeredTags,
+			Tags:           domain.SanitizeTags(tags),
+			CreatedAt:      now,
+
+			User:    user,
+			Tailnet: tailnet,
+		}
+
+		if !req.Expiry.IsZero() {
+			m.ExpiresAt = &req.Expiry
+		}
+
+		ipv4, ipv6, err := addr.SelectIP(checkIP(ctx, h.repository.CountMachinesWithIPv4))
+		if err != nil {
+			return err
+		}
+		m.IPv4 = ipv4.String()
+		m.IPv6 = ipv6.String()
+	} else {
+		registeredTags := authKey.Tags
+		advertisedTags := domain.SanitizeTags(req.Hostinfo.RequestTags)
+		tags := append(registeredTags, advertisedTags...)
+
+		sanitizeHostname := dnsname.SanitizeHostname(req.Hostinfo.Hostname)
+		if m.Name != sanitizeHostname {
+			nameIdx, err := h.repository.GetNextMachineNameIndex(ctx, tailnet.ID, sanitizeHostname)
+			if err != nil {
+				return err
+			}
+			m.Name = sanitizeHostname
+			m.NameIdx = nameIdx
+		}
+		m.NodeKey = nodeKey
+		m.Ephemeral = authKey.Ephemeral
+		m.RegisteredTags = registeredTags
+		m.Tags = domain.SanitizeTags(tags)
+		m.UserID = user.ID
+		m.User = user
+		m.TailnetID = tailnet.ID
+		m.Tailnet = tailnet
+		m.ExpiresAt = nil
+	}
+
+	if err := h.repository.SaveMachine(ctx, m); err != nil {
+		return err
+	}
+
+	return c.Redirect(http.StatusFound, "/a/success")
+}

internal/handlers/index.go

@@ -0,0 +1,17 @@
+package handlers
+
+import (
+	"fmt"
+	"github.com/jsiebens/ionscale/internal/version"
+	"github.com/labstack/echo/v4"
+)
+
+func IndexHandler(code int) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		info, s := version.GetReleaseInfo()
+		data := map[string]interface{}{
+			"Version": fmt.Sprintf("%s - %s", info, s),
+		}
+		return c.Render(code, "index.html", data)
+	}
+}

internal/handlers/key.go

@@ -0,0 +1,39 @@
+package handlers
+
+import (
+	"github.com/jsiebens/ionscale/internal/config"
+	"github.com/labstack/echo/v4"
+	"net/http"
+	"strconv"
+	"tailscale.com/tailcfg"
+)
+
+const (
+	NoiseCapabilityVersion = 28
+)
+
+func KeyHandler(keys *config.ServerKeys) echo.HandlerFunc {
+	legacyPublicKey := keys.LegacyControlKey.Public()
+	publicKey := keys.ControlKey.Public()
+
+	return func(c echo.Context) error {
+		v := c.QueryParam("v")
+
+		if v != "" {
+			clientCapabilityVersion, err := strconv.Atoi(v)
+			if err != nil {
+				return c.String(http.StatusBadRequest, "Invalid version")
+			}
+
+			if clientCapabilityVersion >= NoiseCapabilityVersion {
+				resp := tailcfg.OverTLSPublicKeyResponse{
+					LegacyPublicKey: legacyPublicKey,
+					PublicKey:       publicKey,
+				}
+				return c.JSON(http.StatusOK, resp)
+			}
+		}
+
+		return c.String(http.StatusOK, legacyPublicKey.UntypedHexString())
+	}
+}

internal/handlers/noise.go

@@ -0,0 +1,39 @@
+package handlers
+
+import (
+	"context"
+	"github.com/labstack/echo/v4"
+	"golang.org/x/net/http2"
+	"golang.org/x/net/http2/h2c"
+	"net/http"
+	"tailscale.com/control/controlhttp"
+	"tailscale.com/net/netutil"
+	"tailscale.com/types/key"
+)
+
+type NoiseHandlers struct {
+	controlKey        key.MachinePrivate
+	createPeerHandler CreatePeerHandler
+}
+
+type CreatePeerHandler func(p key.MachinePublic) http.Handler
+
+func NewNoiseHandlers(controlKey key.MachinePrivate, createPeerHandler CreatePeerHandler) *NoiseHandlers {
+	return &NoiseHandlers{
+		controlKey:        controlKey,
+		createPeerHandler: createPeerHandler,
+	}
+}
+
+func (h *NoiseHandlers) Upgrade(c echo.Context) error {
+	conn, err := controlhttp.AcceptHTTP(context.Background(), c.Response(), c.Request(), h.controlKey)
+	if err != nil {
+		return err
+	}
+
+	handler := h.createPeerHandler(conn.Peer())
+
+	server := http.Server{}
+	server.Handler = h2c.NewHandler(handler, &http2.Server{})
+	return server.Serve(netutil.NewOneConnListener(conn, nil))
+}

internal/handlers/poll_net_map.go

@@ -0,0 +1,352 @@
+package handlers
+
+import (
+	"context"
+	"github.com/jsiebens/ionscale/internal/bind"
+	"github.com/jsiebens/ionscale/internal/broker"
+	"github.com/jsiebens/ionscale/internal/domain"
+	"github.com/jsiebens/ionscale/internal/mapping"
+	"github.com/labstack/echo/v4"
+	"net/http"
+	"tailscale.com/tailcfg"
+	"tailscale.com/util/dnsname"
+	"time"
+)
+
+const (
+	keepAliveInterval = 1 * time.Minute
+)
+
+func NewPollNetMapHandler(
+	createBinder bind.Factory,
+	brokers *broker.BrokerPool,
+	repository domain.Repository,
+	offlineTimers *OfflineTimers) *PollNetMapHandler {
+
+	handler := &PollNetMapHandler{
+		createBinder:  createBinder,
+		brokers:       brokers.Get,
+		repository:    repository,
+		offlineTimers: offlineTimers,
+	}
+
+	return handler
+}
+
+type PollNetMapHandler struct {
+	createBinder  bind.Factory
+	repository    domain.Repository
+	brokers       func(uint64) broker.Broker
+	offlineTimers *OfflineTimers
+}
+
+func (h *PollNetMapHandler) PollNetMap(c echo.Context) error {
+	ctx := c.Request().Context()
+	binder, err := h.createBinder(c)
+	if err != nil {
+		return err
+	}
+
+	req := &tailcfg.MapRequest{}
+	if err := binder.BindRequest(c, req); err != nil {
+		return err
+	}
+
+	machineKey := binder.Peer().String()
+	nodeKey := req.NodeKey.String()
+
+	var m *domain.Machine
+	m, err = h.repository.GetMachineByKeys(ctx, machineKey, nodeKey)
+	if err != nil {
+		return err
+	}
+
+	if m == nil {
+		return echo.NewHTTPError(http.StatusNotFound)
+	}
+
+	if req.ReadOnly {
+		return h.handleReadOnly(c, binder, m, req)
+	} else {
+		return h.handleUpdate(c, binder, m, req)
+	}
+}
+
+func (h *PollNetMapHandler) handleUpdate(c echo.Context, binder bind.Binder, m *domain.Machine, mapRequest *tailcfg.MapRequest) error {
+	ctx := c.Request().Context()
+
+	now := time.Now().UTC()
+
+	m.HostInfo = domain.HostInfo(*mapRequest.Hostinfo)
+	m.DiscoKey = mapRequest.DiscoKey.String()
+	m.Endpoints = mapRequest.Endpoints
+	m.LastSeen = &now
+
+	if err := h.repository.SaveMachine(ctx, m); err != nil {
+		return err
+	}
+
+	tailnetID := m.TailnetID
+	machineID := m.ID
+
+	tailnetBroker := h.brokers(tailnetID)
+	tailnetBroker.SignalPeerUpdated(machineID)
+
+	if !mapRequest.Stream {
+		return c.String(http.StatusOK, "")
+	}
+
+	var syncedPeers = make(map[uint64]bool)
+
+	response, syncedPeers, err := h.createMapResponse(m, binder, mapRequest, false, make(map[uint64]bool))
+	if err != nil {
+		return err
+	}
+
+	updateChan := make(chan *broker.Signal, 20)
+	client := broker.NewClient(machineID, updateChan)
+
+	tailnetBroker.AddClient(&client)
+	h.cancelOfflineMessage(machineID)
+
+	// Listen to connection close and un-register messageChan
+	notify := c.Request().Context().Done()
+
+	keepAliveResponse, err := h.createKeepAliveResponse(binder, mapRequest)
+	if err != nil {
+		return err
+	}
+	keepAliveTicker := time.NewTicker(keepAliveInterval)
+	syncTicker := time.NewTicker(5 * time.Second)
+
+	var latestSync = time.Now()
+	var latestUpdate = latestSync
+
+	c.Response().WriteHeader(http.StatusOK)
+
+	if _, err := c.Response().Write(response); err != nil {
+		return err
+	}
+	c.Response().Flush()
+
+	defer func() {
+		tailnetBroker.RemoveClient(machineID)
+		keepAliveTicker.Stop()
+		syncTicker.Stop()
+		_ = h.repository.SetMachineLastSeen(ctx, machineID)
+		h.scheduleOfflineMessage(tailnetID, machineID)
+	}()
+
+	for {
+		select {
+		case s := <-updateChan:
+			if s.PeerUpdated == nil || *s.PeerUpdated != machineID {
+				latestUpdate = time.Now()
+			}
+		case <-keepAliveTicker.C:
+			if mapRequest.KeepAlive {
+				if _, err := c.Response().Write(keepAliveResponse); err != nil {
+					return err
+				}
+				_ = h.repository.SetMachineLastSeen(ctx, machineID)
+				c.Response().Flush()
+			}
+		case <-syncTicker.C:
+			if latestSync.Before(latestUpdate) {
+				machine, err := h.repository.GetMachine(ctx, machineID)
+				if err != nil {
+					return err
+				}
+				if machine == nil {
+					return nil
+				}
+
+				var payload []byte
+				var payloadErr error
+
+				payload, syncedPeers, payloadErr = h.createMapResponse(machine, binder, mapRequest, true, syncedPeers)
+
+				if payloadErr != nil {
+					return payloadErr
+				}
+
+				if _, err := c.Response().Write(payload); err != nil {
+					return err
+				}
+				c.Response().Flush()
+
+				latestSync = latestUpdate
+			}
+		case <-notify:
+			return nil
+		}
+	}
+}
+
+func (h *PollNetMapHandler) handleReadOnly(c echo.Context, binder bind.Binder, m *domain.Machine, request *tailcfg.MapRequest) error {
+	ctx := c.Request().Context()
+
+	m.HostInfo = domain.HostInfo(*request.Hostinfo)
+	m.DiscoKey = request.DiscoKey.String()
+
+	if err := h.repository.SaveMachine(ctx, m); err != nil {
+		return err
+	}
+
+	response, _, err := h.createMapResponse(m, binder, request, false, map[uint64]bool{})
+	if err != nil {
+		return err
+	}
+
+	_, err = c.Response().Write(response)
+	return err
+}
+
+func (h *PollNetMapHandler) scheduleOfflineMessage(tailnetID, machineID uint64) {
+	h.offlineTimers.startCh <- [2]uint64{tailnetID, machineID}
+}
+
+func (h *PollNetMapHandler) cancelOfflineMessage(machineID uint64) {
+	h.offlineTimers.stopCh <- machineID
+}
+
+func (h *PollNetMapHandler) createKeepAliveResponse(binder bind.Binder, request *tailcfg.MapRequest) ([]byte, error) {
+	mapResponse := &tailcfg.MapResponse{
+		KeepAlive: true,
+	}
+
+	return binder.Marshal(request.Compress, mapResponse)
+}
+
+func (h *PollNetMapHandler) createMapResponse(m *domain.Machine, binder bind.Binder, request *tailcfg.MapRequest, delta bool, prevSyncedPeerIDs map[uint64]bool) ([]byte, map[uint64]bool, error) {
+	node, err := mapping.ToNode(m, true)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	users, err := h.repository.ListUsers(context.TODO(), m.TailnetID)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var changedPeers []*tailcfg.Node
+	var removedPeers []tailcfg.NodeID
+
+	candidatePeers, err := h.repository.ListMachinePeers(context.TODO(), m.TailnetID, m.MachineKey)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	syncedPeerIDs := map[uint64]bool{}
+
+	for _, peer := range candidatePeers {
+		n, err := mapping.ToNode(&peer, h.brokers(peer.TailnetID).IsConnected(peer.ID))
+		if err != nil {
+			return nil, nil, err
+		}
+		changedPeers = append(changedPeers, n)
+		syncedPeerIDs[peer.ID] = true
+		delete(prevSyncedPeerIDs, peer.ID)
+	}
+
+	for p, _ := range prevSyncedPeerIDs {
+		removedPeers = append(removedPeers, tailcfg.NodeID(p))
+	}
+
+	derpMap, err := h.repository.GetDERPMap(context.TODO())
+	if err != nil {
+		return nil, nil, err
+	}
+
+	rules := tailcfg.FilterAllowAll
+
+	controlTime := time.Now().UTC()
+	var mapResponse *tailcfg.MapResponse
+
+	if !delta {
+		mapResponse = &tailcfg.MapResponse{
+			KeepAlive:    false,
+			Node:         node,
+			PacketFilter: rules,
+			DERPMap:      derpMap,
+			Domain:       dnsname.SanitizeHostname(m.Tailnet.Name),
+			Peers:        changedPeers,
+			UserProfiles: mapping.ToUserProfiles(users),
+			ControlTime:  &controlTime,
+		}
+	} else {
+		mapResponse = &tailcfg.MapResponse{
+			PacketFilter: rules,
+			PeersChanged: changedPeers,
+			PeersRemoved: removedPeers,
+			UserProfiles: mapping.ToUserProfiles(users),
+			ControlTime:  &controlTime,
+		}
+	}
+
+	if request.OmitPeers {
+		mapResponse.PeersChanged = nil
+		mapResponse.PeersRemoved = nil
+		mapResponse.Peers = nil
+	}
+
+	payload, err := binder.Marshal(request.Compress, mapResponse)
+
+	return payload, syncedPeerIDs, nil
+}
+
+func NewOfflineTimers(repository domain.Repository, brokers *broker.BrokerPool) *OfflineTimers {
+	return &OfflineTimers{
+		repository: repository,
+		brokers:    brokers.Get,
+		data:       make(map[uint64]*time.Timer),
+		startCh:    make(chan [2]uint64),
+		stopCh:     make(chan uint64),
+	}
+}
+
+type OfflineTimers struct {
+	repository domain.Repository
+	brokers    func(uint64) broker.Broker
+	data       map[uint64]*time.Timer
+	stopCh     chan uint64
+	startCh    chan [2]uint64
+}
+
+func (o *OfflineTimers) Start() {
+	for {
+		select {
+		case i := <-o.startCh:
+			o.scheduleOfflineMessage(i[0], i[1])
+		case m := <-o.stopCh:
+			o.cancelOfflineMessage(m)
+		}
+	}
+}
+
+func (o *OfflineTimers) scheduleOfflineMessage(tailnetID, machineID uint64) {
+	t, ok := o.data[machineID]
+	if ok {
+		t.Stop()
+		delete(o.data, machineID)
+	}
+
+	timer := time.NewTimer(10 * time.Second)
+	go func() {
+		<-timer.C
+		if !o.brokers(tailnetID).IsConnected(machineID) {
+			o.brokers(tailnetID).SignalPeerUpdated(machineID)
+			o.stopCh <- machineID
+		}
+	}()
+
+	o.data[machineID] = timer
+}
+
+func (o *OfflineTimers) cancelOfflineMessage(machineID uint64) {
+	t, ok := o.data[machineID]
+	if ok {
+		t.Stop()
+		delete(o.data, machineID)
+	}
+}

internal/handlers/reaper.go

@@ -0,0 +1,61 @@
+package handlers
+
+import (
+	"context"
+	"github.com/jsiebens/ionscale/internal/broker"
+	"github.com/jsiebens/ionscale/internal/domain"
+	"time"
+)
+
+const (
+	ticker            = 10 * time.Minute
+	inactivityTimeout = 30 * time.Minute
+)
+
+func NewReaper(brokers *broker.BrokerPool, repository domain.Repository) *Reaper {
+	return &Reaper{
+		brokers:    brokers,
+		repository: repository,
+	}
+}
+
+type Reaper struct {
+	brokers    *broker.BrokerPool
+	repository domain.Repository
+}
+
+func (r *Reaper) Start() {
+	t := time.NewTicker(ticker)
+	for range t.C {
+		r.reapInactiveEphemeralNodes()
+	}
+}
+
+func (r *Reaper) reapInactiveEphemeralNodes() {
+	ctx := context.Background()
+
+	now := time.Now().UTC()
+	checkpoint := now.Add(-inactivityTimeout)
+	machines, err := r.repository.ListInactiveEphemeralMachines(ctx, checkpoint)
+	if err != nil {
+		return
+	}
+	var removedNodes = make(map[uint64][]uint64)
+	for _, m := range machines {
+		if now.After(m.LastSeen.Add(inactivityTimeout)) {
+			ok, err := r.repository.DeleteMachine(ctx, m.ID)
+			if err != nil {
+				continue
+			}
+			if ok {
+				removedNodes[m.TailnetID] = append(removedNodes[m.TailnetID], m.ID)
+			}
+		}
+	}
+
+	if len(removedNodes) != 0 {
+		for i, p := range removedNodes {
+			r.brokers.Get(i).SignalPeersRemoved(p)
+		}
+	}
+}

internal/handlers/registration.go

@@ -0,0 +1,235 @@
+package handlers
+
+import (
+	"context"
+	"github.com/jsiebens/ionscale/internal/addr"
+	"github.com/jsiebens/ionscale/internal/bind"
+	"github.com/jsiebens/ionscale/internal/config"
+	"github.com/jsiebens/ionscale/internal/domain"
+	"github.com/jsiebens/ionscale/internal/util"
+	"github.com/labstack/echo/v4"
+	"github.com/patrickmn/go-cache"
+	"inet.af/netaddr"
+	"net/http"
+	"tailscale.com/tailcfg"
+	"tailscale.com/util/dnsname"
+	"time"
+)
+
+func NewRegistrationHandlers(
+	createBinder bind.Factory,
+	config *config.Config,
+	repository domain.Repository,
+	pendingMachineRegistrationRequests *cache.Cache) *RegistrationHandlers {
+	return &RegistrationHandlers{
+		createBinder:                       createBinder,
+		repository:                         repository,
+		config:                             config,
+		pendingMachineRegistrationRequests: pendingMachineRegistrationRequests,
+	}
+}
+
+type pendingMachineRegistrationRequest struct {
+	machineKey string
+	request    *tailcfg.RegisterRequest
+}
+
+type RegistrationHandlers struct {
+	createBinder                       bind.Factory
+	repository                         domain.Repository
+	config                             *config.Config
+	pendingMachineRegistrationRequests *cache.Cache
+}
+
+func (h *RegistrationHandlers) Register(c echo.Context) error {
+	ctx := c.Request().Context()
+
+	binder, err := h.createBinder(c)
+	if err != nil {
+		return err
+	}
+
+	req := &tailcfg.RegisterRequest{}
+	if err := binder.BindRequest(c, req); err != nil {
+		return err
+	}
+
+	machineKey := binder.Peer().String()
+	nodeKey := req.NodeKey.String()
+
+	var m *domain.Machine
+	m, err = h.repository.GetMachineByKeys(ctx, machineKey, nodeKey)
+
+	if err != nil {
+		return err
+	}
+
+	if m != nil {
+		if m.ExpiresAt != nil && !m.ExpiresAt.IsZero() && m.ExpiresAt.Before(time.Now()) {
+			response := tailcfg.RegisterResponse{NodeKeyExpired: true}
+			return binder.WriteResponse(c, http.StatusOK, response)
+		}
+
+		if !req.Expiry.IsZero() && req.Expiry.Before(time.Now()) {
+			m.ExpiresAt = &req.Expiry
+
+			if err := h.repository.SaveMachine(ctx, m); err != nil {
+				return err
+			}
+
+			response := tailcfg.RegisterResponse{NodeKeyExpired: true}
+			return binder.WriteResponse(c, http.StatusOK, response)
+		}
+
+		sanitizeHostname := dnsname.SanitizeHostname(req.Hostinfo.Hostname)
+		if m.Name != sanitizeHostname {
+			nameIdx, err := h.repository.GetNextMachineNameIndex(ctx, m.TailnetID, sanitizeHostname)
+			if err != nil {
+				return err
+			}
+			m.Name = sanitizeHostname
+			m.NameIdx = nameIdx
+
+		}
+
+		advertisedTags := domain.SanitizeTags(req.Hostinfo.RequestTags)
+		m.Tags = append(m.RegisteredTags, advertisedTags...)
+
+		if err := h.repository.SaveMachine(ctx, m); err != nil {
+			return err
+		}
+
+		response := tailcfg.RegisterResponse{MachineAuthorized: true}
+		return binder.WriteResponse(c, http.StatusOK, response)
+	}
+
+	return h.authenticateMachine(c, binder, machineKey, req)
+}
+
+func (h *RegistrationHandlers) authenticateMachine(c echo.Context, binder bind.Binder, id string, req *tailcfg.RegisterRequest) error {
+	if req.Followup != "" {
+		response := tailcfg.RegisterResponse{AuthURL: req.Followup}
+		return binder.WriteResponse(c, http.StatusOK, response)
+	}
+
+	if req.Auth.AuthKey == "" {
+		key := util.RandStringBytes(8)
+		authUrl := h.config.CreateUrl("/a/%s", key)
+
+		h.pendingMachineRegistrationRequests.Set(key, &pendingMachineRegistrationRequest{
+			machineKey: id,
+			request:    req,
+		}, cache.DefaultExpiration)
+
+		response := tailcfg.RegisterResponse{AuthURL: authUrl}
+		return binder.WriteResponse(c, http.StatusOK, response)
+	} else {
+		return h.authenticateMachineWithAuthKey(c, binder, id, req)
+	}
+}
+
+func (h *RegistrationHandlers) authenticateMachineWithAuthKey(c echo.Context, binder bind.Binder, machineKey string, req *tailcfg.RegisterRequest) error {
+	ctx := c.Request().Context()
+	nodeKey := req.NodeKey.String()
+
+	authKey, err := h.repository.LoadAuthKey(ctx, req.Auth.AuthKey)
+	if err != nil {
+		return err
+	}
+
+	if authKey == nil {
+		return c.String(http.StatusBadRequest, "invalid auth key")
+	}
+
+	tailnet := authKey.Tailnet
+	user := authKey.User
+
+	var m *domain.Machine
+
+	m, err = h.repository.GetMachineByKey(ctx, tailnet.ID, machineKey)
+	if err != nil {
+		return err
+	}
+
+	if m == nil {
+		now := time.Now().UTC()
+
+		registeredTags := authKey.Tags
+		advertisedTags := domain.SanitizeTags(req.Hostinfo.RequestTags)
+		tags := append(registeredTags, advertisedTags...)
+
+		sanitizeHostname := dnsname.SanitizeHostname(req.Hostinfo.Hostname)
+		nameIdx, err := h.repository.GetNextMachineNameIndex(ctx, tailnet.ID, sanitizeHostname)
+		if err != nil {
+			return err
+		}
+
+		m = &domain.Machine{
+			ID:             util.NextID(),
+			Name:           sanitizeHostname,
+			NameIdx:        nameIdx,
+			MachineKey:     machineKey,
+			NodeKey:        nodeKey,
+			Ephemeral:      authKey.Ephemeral,
+			RegisteredTags: registeredTags,
+			Tags:           domain.SanitizeTags(tags),
+			CreatedAt:      now,
+
+			User:    user,
+			Tailnet: tailnet,
+		}
+
+		if !req.Expiry.IsZero() {
+			m.ExpiresAt = &req.Expiry
+		}
+
+		ipv4, ipv6, err := addr.SelectIP(checkIP(ctx, h.repository.CountMachinesWithIPv4))
+		if err != nil {
+			return err
+		}
+		m.IPv4 = ipv4.String()
+		m.IPv6 = ipv6.String()
+	} else {
+		registeredTags := authKey.Tags
+		advertisedTags := domain.SanitizeTags(req.Hostinfo.RequestTags)
+		tags := append(registeredTags, advertisedTags...)
+
+		sanitizeHostname := dnsname.SanitizeHostname(req.Hostinfo.Hostname)
+		if m.Name != sanitizeHostname {
+			nameIdx, err := h.repository.GetNextMachineNameIndex(ctx, tailnet.ID, sanitizeHostname)
+			if err != nil {
+				return err
+			}
+			m.Name = sanitizeHostname
+			m.NameIdx = nameIdx
+		}
+		m.NodeKey = nodeKey
+		m.Ephemeral = authKey.Ephemeral
+		m.RegisteredTags = registeredTags
+		m.Tags = domain.SanitizeTags(tags)
+		m.UserID = user.ID
+		m.User = user
+		m.TailnetID = tailnet.ID
+		m.Tailnet = tailnet
+		m.ExpiresAt = nil
+	}
+
+	if err := h.repository.SaveMachine(ctx, m); err != nil {
+		return err
+	}
+
+	response := tailcfg.RegisterResponse{MachineAuthorized: true}
+	return binder.WriteResponse(c, http.StatusOK, response)
+}
+
+func checkIP(cxt context.Context, s Selector) addr.Predicate {
+	return func(ip netaddr.IP) (bool, error) {
+		c, err := s(cxt, ip.String())
+		if err != nil {
+			return false, err
+		}
+		return c == 0, nil
+	}
+}
+
+type Selector func(ctx context.Context, ip string) (int64, error)

internal/handlers/version.go

@@ -0,0 +1,16 @@
+package handlers
+
+import (
+	"github.com/jsiebens/ionscale/internal/version"
+	"github.com/labstack/echo/v4"
+	"net/http"
+)
+
+func Version(c echo.Context) error {
+	v, r := version.GetReleaseInfo()
+	resp := map[string]string{
+		"version":  v,
+		"revision": r,
+	}
+	return c.JSON(http.StatusOK, resp)
+}

internal/mapping/mapping.go

@@ -0,0 +1,129 @@
+package mapping
+
+import (
+	"fmt"
+	"github.com/jsiebens/ionscale/internal/domain"
+	"github.com/jsiebens/ionscale/internal/util"
+	"inet.af/netaddr"
+	"strconv"
+	"tailscale.com/tailcfg"
+	"tailscale.com/types/key"
+	"tailscale.com/util/dnsname"
+)
+
+const NetworkMagicDNSSuffix = "ionscale.net"
+
+func ToNode(m *domain.Machine, connected bool) (*tailcfg.Node, error) {
+	nKey, err := util.ParseNodePublicKey(m.NodeKey)
+	if err != nil {
+		return nil, err
+	}
+
+	mKey, err := util.ParseMachinePublicKey(m.MachineKey)
+	if err != nil {
+		return nil, err
+	}
+
+	var discoKey key.DiscoPublic
+	if m.DiscoKey != "" {
+		dKey, err := util.ParseDiscoPublicKey(m.DiscoKey)
+		if err != nil {
+			return nil, err
+		}
+		discoKey = *dKey
+	}
+
+	endpoints := m.Endpoints
+	hostinfo := tailcfg.Hostinfo(m.HostInfo)
+
+	var addrs []netaddr.IPPrefix
+	var allowedIPs []netaddr.IPPrefix
+
+	if m.IPv4 != "" {
+		ipv4, err := netaddr.ParseIPPrefix(fmt.Sprintf("%s/32", m.IPv4))
+		if err != nil {
+			return nil, err
+		}
+		addrs = append(addrs, ipv4)
+		allowedIPs = append(allowedIPs, ipv4)
+	}
+
+	if m.IPv6 != "" {
+		ipv6, err := netaddr.ParseIPPrefix(fmt.Sprintf("%s/128", m.IPv6))
+		if err != nil {
+			return nil, err
+		}
+		addrs = append(addrs, ipv6)
+		allowedIPs = append(allowedIPs, ipv6)
+	}
+
+	var derp string
+	if hostinfo.NetInfo != nil {
+		derp = fmt.Sprintf("127.3.3.40:%d", hostinfo.NetInfo.PreferredDERP)
+	} else {
+		derp = "127.3.3.40:0"
+	}
+
+	var name = m.Name
+	if m.NameIdx != 0 {
+		name = fmt.Sprintf("%s-%d", m.Name, m.NameIdx)
+	}
+
+	sanitizedTailnetName := dnsname.SanitizeHostname(m.Tailnet.Name)
+
+	hostInfo := tailcfg.Hostinfo{
+		OS:       hostinfo.OS,
+		Hostname: hostinfo.Hostname,
+		Services: hostinfo.Services,
+	}
+
+	n := tailcfg.Node{
+		ID:         tailcfg.NodeID(m.ID),
+		StableID:   tailcfg.StableNodeID(strconv.FormatUint(m.ID, 10)),
+		Name:       fmt.Sprintf("%s.%s.%s.", name, sanitizedTailnetName, NetworkMagicDNSSuffix),
+		Key:        *nKey,
+		Machine:    *mKey,
+		DiscoKey:   discoKey,
+		Addresses:  addrs,
+		AllowedIPs: allowedIPs,
+		Endpoints:  endpoints,
+		DERP:       derp,
+
+		Hostinfo: hostInfo.View(),
+
+		Created: m.CreatedAt.UTC(),
+
+		MachineAuthorized: true,
+		User:              tailcfg.UserID(m.UserID),
+	}
+
+	if m.ExpiresAt != nil {
+		e := m.ExpiresAt.UTC()
+		n.KeyExpiry = e
+	}
+
+	n.Online = &connected
+	if !connected && m.LastSeen != nil {
+		l := m.LastSeen.UTC()
+		n.LastSeen = &l
+	}
+
+	return &n, nil
+}
+
+func ToUserProfile(u domain.User) tailcfg.UserProfile {
+	profile := tailcfg.UserProfile{
+		ID:          tailcfg.UserID(u.ID),
+		LoginName:   u.Name,
+		DisplayName: u.Name,
+	}
+	return profile
+}
+
+func ToUserProfiles(users domain.Users) []tailcfg.UserProfile {
+	var profiles []tailcfg.UserProfile
+	for _, u := range users {
+		profiles = append(profiles, ToUserProfile(u))
+	}
+	return profiles
+}

internal/mux/mux.go

@@ -0,0 +1,58 @@
+package mux
+
+import (
+	"crypto/tls"
+	"github.com/jsiebens/ionscale/internal/config"
+	"github.com/soheilhy/cmux"
+	"golang.org/x/sync/errgroup"
+	"google.golang.org/grpc"
+	"net"
+	"net/http"
+)
+
+func Serve(grpcServer *grpc.Server, appHandler http.Handler, metricsHandler http.Handler, config *config.Config) error {
+	appL, err := appListener(config)
+	if err != nil {
+		return err
+	}
+
+	metricsL, err := metricsListener(config)
+	if err != nil {
+		return err
+	}
+
+	mux := cmux.New(appL)
+	grpcL := mux.MatchWithWriters(
+		cmux.HTTP2MatchHeaderFieldPrefixSendSettings("content-type", "application/grpc"),
+		cmux.HTTP2MatchHeaderFieldPrefixSendSettings("content-type", "application/grpc+proto"),
+	)
+	httpL := mux.Match(cmux.Any())
+
+	g := new(errgroup.Group)
+
+	g.Go(func() error { return grpcServer.Serve(grpcL) })
+	g.Go(func() error { return http.Serve(httpL, appHandler) })
+	g.Go(func() error { return http.Serve(metricsL, metricsHandler) })
+	g.Go(func() error { return mux.Serve() })
+
+	return g.Wait()
+}
+
+func metricsListener(config *config.Config) (net.Listener, error) {
+	return net.Listen("tcp", config.Metrics.ListenAddr)
+}
+
+func appListener(config *config.Config) (net.Listener, error) {
+	if config.Tls.Disable {
+		return net.Listen("tcp", config.ListenAddr)
+	} else {
+		cer, err := tls.LoadX509KeyPair(config.Tls.CertFile, config.Tls.KeyFile)
+		if err != nil {
+			return nil, err
+		}
+
+		tlsConfig := &tls.Config{Certificates: []tls.Certificate{cer}}
+
+		return tls.Listen("tcp", config.ListenAddr, tlsConfig)
+	}
+}

internal/server/echo.go

@@ -0,0 +1,57 @@
+package server
+
+import (
+	"fmt"
+	"github.com/hashicorp/go-hclog"
+	"github.com/labstack/echo/v4"
+	"runtime"
+	"time"
+)
+
+func EchoLogger(logger hclog.Logger) echo.MiddlewareFunc {
+	httpLogger := logger.Named("http")
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) (err error) {
+			if !httpLogger.IsTrace() {
+				return next(c)
+			}
+
+			request := c.Request()
+			response := c.Response()
+			start := time.Now()
+			if err = next(c); err != nil {
+				c.Error(err)
+			}
+
+			httpLogger.Trace("finished server http call",
+				"http.code", response.Status,
+				"http.method", request.Method,
+				"http.uri", request.RequestURI,
+				"http.start_time", start.Format(time.RFC3339),
+				"http.duration", time.Since(start))
+
+			return
+		}
+	}
+}
+
+func EchoRecover(logger hclog.Logger) echo.MiddlewareFunc {
+	httpLogger := logger.Named("http")
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			defer func() {
+				if r := recover(); r != nil {
+					err, ok := r.(error)
+					if !ok {
+						err = fmt.Errorf("%v", r)
+					}
+					stack := make([]byte, 4<<10) // 4 KB
+					length := runtime.Stack(stack, false)
+					httpLogger.Error("panic handling request", "err", err, "stack", string(stack[:length]))
+					c.Error(err)
+				}
+			}()
+			return next(c)
+		}
+	}
+}

internal/server/grpc.go

@@ -0,0 +1,54 @@
+package server
+
+import (
+	"github.com/grpc-ecosystem/go-grpc-middleware/v2"
+	"github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/logging"
+	"github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/recovery"
+	"github.com/grpc-ecosystem/go-grpc-prometheus"
+	"github.com/hashicorp/go-hclog"
+	"github.com/jsiebens/ionscale/internal/service"
+	"google.golang.org/grpc"
+	"tailscale.com/types/key"
+)
+
+func init() {
+	grpc_prometheus.EnableHandlingTimeHistogram()
+}
+
+func NewGrpcServer(logger hclog.Logger, systemAdminKey key.MachinePrivate) *grpc.Server {
+	return grpc.NewServer(
+		middleware.WithUnaryServerChain(
+			logging.UnaryServerInterceptor(
+				&grpcLogger{logger.Named("grpc")},
+				logging.WithDurationField(logging.DurationToDurationField),
+			),
+			grpc_prometheus.UnaryServerInterceptor,
+			recovery.UnaryServerInterceptor(),
+			service.UnaryServerTokenAuth(systemAdminKey),
+		),
+	)
+}
+
+type grpcLogger struct {
+	log hclog.Logger
+}
+
+func (l *grpcLogger) Log(lvl logging.Level, msg string) {
+	switch lvl {
+	case logging.ERROR:
+		l.log.Error(msg)
+	default:
+		l.log.Debug(msg)
+	}
+}
+
+func (l *grpcLogger) With(fields ...string) logging.Logger {
+	if len(fields) == 0 {
+		return l
+	}
+	vals := make([]interface{}, 0, len(fields))
+	for i := 0; i < len(fields); i++ {
+		vals = append(vals, fields[i])
+	}
+	return &grpcLogger{log: l.log.With(vals...)}
+}

internal/server/server.go

@@ -0,0 +1,141 @@
+package server
+
+import (
+	"github.com/hashicorp/go-hclog"
+	"github.com/jsiebens/ionscale/internal/bind"
+	"github.com/jsiebens/ionscale/internal/broker"
+	"github.com/jsiebens/ionscale/internal/config"
+	"github.com/jsiebens/ionscale/internal/database"
+	"github.com/jsiebens/ionscale/internal/handlers"
+	"github.com/jsiebens/ionscale/internal/mux"
+	"github.com/jsiebens/ionscale/internal/service"
+	"github.com/jsiebens/ionscale/internal/templates"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	echo_prometheus "github.com/labstack/echo-contrib/prometheus"
+	"github.com/labstack/echo/v4"
+	"github.com/patrickmn/go-cache"
+	"log"
+	"net/http"
+	"os"
+	"strings"
+	"tailscale.com/types/key"
+	"time"
+)
+
+func Start(config *config.Config) error {
+	logger, err := setupLogging(config.Logging)
+	if err != nil {
+		return err
+	}
+
+	logger.Info("Starting ionscale server")
+
+	_, repository, err := database.OpenDB(&config.Database, logger)
+	if err != nil {
+		return err
+	}
+
+	serverKey, err := config.ReadServerKeys()
+	if err != nil {
+		return err
+	}
+
+	pendingMachineRegistrationRequests := cache.New(5*time.Minute, 10*time.Minute)
+	brokers := broker.NewBrokerPool()
+	offlineTimers := handlers.NewOfflineTimers(repository, brokers)
+	reaper := handlers.NewReaper(brokers, repository)
+
+	go offlineTimers.Start()
+	go reaper.Start()
+
+	createPeerHandler := func(p key.MachinePublic) http.Handler {
+		registrationHandlers := handlers.NewRegistrationHandlers(bind.DefaultBinder(p), config, repository, pendingMachineRegistrationRequests)
+		pollNetMapHandler := handlers.NewPollNetMapHandler(bind.DefaultBinder(p), brokers, repository, offlineTimers)
+
+		e := echo.New()
+		e.Use(EchoLogger(logger))
+		e.Use(EchoRecover(logger))
+		e.POST("/machine/register", registrationHandlers.Register)
+		e.POST("/machine/map", pollNetMapHandler.PollNetMap)
+
+		return e
+	}
+
+	noiseHandlers := handlers.NewNoiseHandlers(serverKey.ControlKey, createPeerHandler)
+	registrationHandlers := handlers.NewRegistrationHandlers(bind.BoxBinder(serverKey.LegacyControlKey), config, repository, pendingMachineRegistrationRequests)
+	pollNetMapHandler := handlers.NewPollNetMapHandler(bind.BoxBinder(serverKey.LegacyControlKey), brokers, repository, offlineTimers)
+	authenticationHandlers := handlers.NewAuthenticationHandlers(
+		config,
+		repository,
+		pendingMachineRegistrationRequests,
+	)
+
+	p := echo_prometheus.NewPrometheus("http", nil)
+
+	e := echo.New()
+	e.Renderer = templates.NewTemplates()
+	e.Use(EchoRecover(logger))
+	e.Use(EchoLogger(logger))
+	e.Use(p.HandlerFunc)
+
+	m := echo.New()
+	p.SetMetricsPath(m)
+
+	e.Any("/*", handlers.IndexHandler(http.StatusNotFound))
+	e.Any("/", handlers.IndexHandler(http.StatusOK))
+	e.GET("/version", handlers.Version)
+	e.GET("/key", handlers.KeyHandler(serverKey))
+	e.POST("/ts2021", noiseHandlers.Upgrade)
+	e.POST("/machine/:id", registrationHandlers.Register)
+	e.POST("/machine/:id/map", pollNetMapHandler.PollNetMap)
+
+	auth := e.Group("/a")
+	auth.GET("/:key", authenticationHandlers.StartAuth)
+	auth.POST("/:key", authenticationHandlers.StartAuth)
+	auth.GET("/success", authenticationHandlers.Success)
+	auth.GET("/error", authenticationHandlers.Error)
+
+	grpcService := service.NewService(repository, brokers)
+	grpcServer := NewGrpcServer(logger, serverKey.SystemAdminKey)
+	api.RegisterIonscaleServer(grpcServer, grpcService)
+
+	if config.Tls.Disable {
+		logger.Warn("TLS is disabled")
+	} else {
+		logger.Info("TLS is enabled", "cert", config.Tls.CertFile)
+	}
+
+	logger.Info("Server is running", "addr", config.ListenAddr, "metrics", config.Metrics.ListenAddr)
+
+	return mux.Serve(grpcServer, e, m, config)
+}
+
+func setupLogging(config config.Logging) (hclog.Logger, error) {
+	file, err := createLogFile(config)
+	if err != nil {
+		return nil, err
+	}
+	appLogger := hclog.New(&hclog.LoggerOptions{
+		Name:       "ionscale",
+		Level:      hclog.LevelFromString(config.Level),
+		JSONFormat: strings.ToLower(config.Format) == "json",
+		Output:     file,
+	})
+
+	log.SetOutput(appLogger.StandardWriter(&hclog.StandardLoggerOptions{InferLevels: true}))
+	log.SetPrefix("")
+	log.SetFlags(0)
+
+	return appLogger, nil
+}
+
+func createLogFile(config config.Logging) (*os.File, error) {
+	if config.File != "" {
+		f, err := os.OpenFile(config.File, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666)
+		if err != nil {
+			return nil, err
+		}
+		return f, nil
+	}
+	return os.Stdout, nil
+}

internal/service/auth_keys.go

@@ -0,0 +1,111 @@
+package service
+
+import (
+	"context"
+	"github.com/jsiebens/ionscale/internal/domain"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/timestamppb"
+	"time"
+)
+
+func (s *Service) ListAuthKeys(ctx context.Context, req *api.ListAuthKeysRequest) (*api.ListAuthKeysResponse, error) {
+	tailnet, err := s.repository.GetTailnet(ctx, req.TailnetId)
+	if err != nil {
+		return nil, err
+	}
+
+	if tailnet == nil {
+		return nil, status.Error(codes.NotFound, "")
+	}
+
+	authKeys, err := s.repository.ListAuthKeys(ctx, req.TailnetId)
+	if err != nil {
+		return nil, err
+	}
+
+	response := api.ListAuthKeysResponse{}
+
+	for _, key := range authKeys {
+		var expiresAt *timestamppb.Timestamp
+		if key.ExpiresAt != nil {
+			expiresAt = timestamppb.New(*key.ExpiresAt)
+		}
+
+		response.AuthKeys = append(response.AuthKeys, &api.AuthKey{
+			Id:        key.ID,
+			Key:       key.Key,
+			Ephemeral: key.Ephemeral,
+			CreatedAt: timestamppb.New(key.CreatedAt),
+			ExpiresAt: expiresAt,
+			Tailnet: &api.Ref{
+				Id:   tailnet.ID,
+				Name: tailnet.Name,
+			},
+		})
+	}
+
+	return &response, nil
+}
+
+func (s *Service) CreateAuthKey(ctx context.Context, req *api.CreateAuthKeyRequest) (*api.CreateAuthKeyResponse, error) {
+	if len(req.Tags) == 0 {
+		return nil, status.Errorf(codes.InvalidArgument, "at least one tag is required when creating an auth key")
+	}
+
+	tailnet, err := s.repository.GetTailnet(ctx, req.TailnetId)
+	if err != nil {
+		return nil, err
+	}
+
+	if tailnet == nil {
+		return nil, status.Error(codes.NotFound, "")
+	}
+
+	var expiresAt *time.Time
+	var expiresAtPb *timestamppb.Timestamp
+
+	if req.Expiry != nil {
+		duration := req.Expiry.AsDuration()
+		e := time.Now().UTC().Add(duration)
+		expiresAt = &e
+		expiresAtPb = timestamppb.New(*expiresAt)
+	}
+
+	user, _, err := s.repository.GetOrCreateServiceUser(ctx, tailnet)
+	if err != nil {
+		return nil, err
+	}
+
+	tags := domain.SanitizeTags(req.Tags)
+
+	v, authKey := domain.CreateAuthKey(tailnet, user, req.Ephemeral, tags, expiresAt)
+
+	if err := s.repository.SaveAuthKey(ctx, authKey); err != nil {
+		return nil, err
+	}
+
+	response := api.CreateAuthKeyResponse{
+		Value: v,
+		AuthKey: &api.AuthKey{
+			Id:        authKey.ID,
+			Key:       authKey.Key,
+			Ephemeral: authKey.Ephemeral,
+			CreatedAt: timestamppb.New(authKey.CreatedAt),
+			ExpiresAt: expiresAtPb,
+			Tailnet: &api.Ref{
+				Id:   tailnet.ID,
+				Name: tailnet.Name,
+			},
+		}}
+
+	return &response, nil
+}
+
+func (s *Service) DeleteAuthKey(ctx context.Context, req *api.DeleteAuthKeyRequest) (*api.DeleteAuthKeyResponse, error) {
+	if _, err := s.repository.DeleteAuthKey(ctx, req.AuthKeyId); err != nil {
+		return nil, err
+	}
+	return &api.DeleteAuthKeyResponse{}, nil
+}

internal/service/machine.go

@@ -0,0 +1,76 @@
+package service
+
+import (
+	"context"
+	"fmt"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/timestamppb"
+)
+
+func (s *Service) ListMachines(ctx context.Context, req *api.ListMachinesRequest) (*api.ListMachinesResponse, error) {
+	tailnet, err := s.repository.GetTailnet(ctx, req.TailnetId)
+	if err != nil {
+		return nil, err
+	}
+	if tailnet == nil {
+		return nil, status.Error(codes.NotFound, "tailnet does not exist")
+	}
+
+	machines, err := s.repository.ListMachineByTailnet(ctx, tailnet.ID)
+	if err != nil {
+		return nil, err
+	}
+
+	response := &api.ListMachinesResponse{}
+	for _, m := range machines {
+		var name = m.Name
+		if m.NameIdx != 0 {
+			name = fmt.Sprintf("%s-%d", m.Name, m.NameIdx)
+		}
+		online := s.brokers(m.TailnetID).IsConnected(m.ID)
+		var lastSeen *timestamppb.Timestamp
+		if m.LastSeen != nil {
+			lastSeen = timestamppb.New(*m.LastSeen)
+		}
+		response.Machines = append(response.Machines, &api.Machine{
+			Id:        m.ID,
+			Name:      name,
+			Ipv4:      m.IPv4,
+			Ipv6:      m.IPv6,
+			Ephemeral: m.Ephemeral,
+			LastSeen:  lastSeen,
+			Connected: online,
+			Tailnet: &api.Ref{
+				Id:   m.Tailnet.ID,
+				Name: m.Tailnet.Name,
+			},
+			User: &api.Ref{
+				Id:   m.User.ID,
+				Name: m.User.Name,
+			},
+		})
+	}
+
+	return response, nil
+}
+
+func (s *Service) DeleteMachine(ctx context.Context, req *api.DeleteMachineRequest) (*api.DeleteMachineResponse, error) {
+	m, err := s.repository.GetMachine(ctx, req.MachineId)
+	if err != nil {
+		return nil, err
+	}
+
+	if m == nil {
+		return nil, status.Error(codes.NotFound, "machine does not exist")
+	}
+
+	if _, err := s.repository.DeleteMachine(ctx, req.MachineId); err != nil {
+		return nil, err
+	}
+
+	s.brokers(m.TailnetID).SignalPeersRemoved([]uint64{m.ID})
+
+	return &api.DeleteMachineResponse{}, nil
+}

internal/service/service.go

@@ -0,0 +1,84 @@
+package service
+
+import (
+	"context"
+	"github.com/jsiebens/ionscale/internal/broker"
+	"github.com/jsiebens/ionscale/internal/domain"
+	"github.com/jsiebens/ionscale/internal/token"
+	"github.com/jsiebens/ionscale/internal/version"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/metadata"
+	"google.golang.org/grpc/status"
+	"strings"
+	"tailscale.com/types/key"
+)
+
+var (
+	errMissingMetadata = status.Error(codes.InvalidArgument, "missing metadata")
+	errInvalidToken    = status.Error(codes.Unauthenticated, "invalid token")
+)
+
+func NewService(repository domain.Repository, brokerPool *broker.BrokerPool) *Service {
+	return &Service{
+		repository: repository,
+		brokerPool: brokerPool,
+	}
+}
+
+type Service struct {
+	repository domain.Repository
+	brokerPool *broker.BrokerPool
+}
+
+func (s *Service) brokers(tailnetID uint64) broker.Broker {
+	return s.brokerPool.Get(tailnetID)
+}
+
+func (s *Service) GetVersion(ctx context.Context, req *api.GetVersionRequest) (*api.GetVersionResponse, error) {
+	v, revision := version.GetReleaseInfo()
+	return &api.GetVersionResponse{
+		Version:  v,
+		Revision: revision,
+	}, nil
+}
+
+func UnaryServerTokenAuth(systemAdminKey key.MachinePrivate) func(context.Context, interface{}, *grpc.UnaryServerInfo, grpc.UnaryHandler) (interface{}, error) {
+	return func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+
+		if strings.HasSuffix(info.FullMethod, "/GetVersion") {
+			return handler(ctx, req)
+		}
+
+		md, ok := metadata.FromIncomingContext(ctx)
+		if !ok {
+			return nil, errMissingMetadata
+		}
+
+		// The keys within metadata.MD are normalized to lowercase.
+		// See: https://godoc.org/google.golang.org/grpc/metadata#New
+		valid := validateAuthorizationToken(systemAdminKey, md["authorization"])
+
+		if valid {
+			return handler(ctx, req)
+		}
+
+		return nil, errInvalidToken
+	}
+}
+
+func validateAuthorizationToken(systemAdminKey key.MachinePrivate, authorization []string) bool {
+	if len(authorization) != 1 {
+		return false
+	}
+
+	bearerToken := strings.TrimPrefix(authorization[0], "Bearer ")
+
+	if token.IsSystemAdminToken(bearerToken) {
+		_, err := token.ParseSystemAdminToken(systemAdminKey, bearerToken)
+		return err == nil
+	}
+
+	return false
+}

internal/service/tailnet.go

@@ -0,0 +1,39 @@
+package service
+
+import (
+	"context"
+	"fmt"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+)
+
+func (s *Service) CreateTailnet(ctx context.Context, req *api.CreateTailnetRequest) (*api.CreateTailnetResponse, error) {
+	tailnet, created, err := s.repository.GetOrCreateTailnet(ctx, req.Name)
+	if err != nil {
+		return nil, err
+	}
+
+	if !created {
+		return nil, fmt.Errorf("tailnet already exists")
+	}
+
+	resp := &api.CreateTailnetResponse{Tailnet: &api.Tailnet{
+		Id:   tailnet.ID,
+		Name: tailnet.Name,
+	}}
+
+	return resp, nil
+}
+
+func (s *Service) ListTailnets(ctx context.Context, _ *api.ListTailnetRequest) (*api.ListTailnetResponse, error) {
+	resp := &api.ListTailnetResponse{}
+
+	tailnets, err := s.repository.ListTailnets(ctx)
+	if err != nil {
+		return nil, err
+	}
+	for _, t := range tailnets {
+		gt := api.Tailnet{Id: t.ID, Name: t.Name}
+		resp.Tailnet = append(resp.Tailnet, &gt)
+	}
+	return resp, nil
+}

internal/templates/auth.html

@@ -0,0 +1,89 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <style>
+        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
+
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+            font-family: 'Poppins', sans-serif;
+        }
+
+        body {
+            width: 100%;
+            height: 100vh;
+            padding: 10px;
+            background: #379683;
+        }
+
+        .wrapper {
+            background: #fff;
+            max-width: 400px;
+            width: 100%;
+            margin: 120px auto;
+            padding: 25px;
+            border-radius: 5px;
+            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
+        }
+
+        .selectionList li {
+            position: relative;
+            list-style: none;
+            height: 45px;
+            line-height: 45px;
+            margin-bottom: 8px;
+            background: #f2f2f2;
+            border-radius: 3px;
+            overflow: hidden;
+            box-shadow: 0 2px 2px rgba(0, 0, 0, 0.1);
+        }
+
+        .selectionList {
+            padding-top: 5px
+        }
+
+        .selectionList li button {
+            margin: 0;
+            display: block;
+            width: 100%;
+            height: 100%;
+            border: none;
+        }
+
+        input {
+            display: block;
+            width: 100%;
+            height: 100%;
+            padding: 10px;
+        }
+
+        button {
+            padding-top: 10px;
+            padding-bottom: 10px;
+            padding-left: 20px;
+            padding-right: 20px;
+            height: 45px;
+            border: none;
+        }
+    </style>
+    <title>ionscale</title>
+</head>
+<body>
+<div class="wrapper">
+    <div style="text-align: left; padding-bottom: 10px">
+        <p><b>Authentication required</b></p>
+        <small>Enter an <label for="ak">auth key</label> here:</small>
+    </div>
+    <form method="post" style="text-align: right">
+        <p><input id="ak" name="ak" type="text"/></p>
+        <div style="padding-top: 10px">
+            <button type="submit">submit</button>
+        </div>
+    </form>
+</div>
+</body>
+</html>

internal/templates/error.html

@@ -0,0 +1,62 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <style>
+        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
+
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+            font-family: 'Poppins', sans-serif;
+        }
+
+        body {
+            width: 100%;
+            height: 100vh;
+            padding: 10px;
+            background: #379683;
+        }
+
+        .wrapper {
+            background: #fff;
+            max-width: 400px;
+            width: 100%;
+            margin: 120px auto;
+            padding: 25px;
+            border-radius: 5px;
+            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
+        }
+
+        .selectionList li {
+            position: relative;
+            list-style: none;
+            height: 45px;
+            line-height: 45px;
+            margin-bottom: 8px;
+            background: #f2f2f2;
+            border-radius: 3px;
+            overflow: hidden;
+            box-shadow: 0 2px 2px rgba(0, 0, 0, 0.1);
+        }
+
+        .selectionList li button {
+            margin: 0;
+            display: block;
+            width: 100%;
+            height: 100%;
+            border: none;
+        }
+    </style>
+    <title>ionscale</title>
+</head>
+<body>
+<div class="wrapper">
+    <div style="text-align: center">
+        <p><b>An error occurred</b></p>
+    </div>
+</div>
+</body>
+</html>

internal/templates/index.html

@@ -0,0 +1,63 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <style>
+        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
+
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+            font-family: 'Poppins', sans-serif;
+        }
+
+        body {
+            width: 100%;
+            height: 100vh;
+            padding: 10px;
+            background: #379683;
+        }
+
+        .wrapper {
+            background: #fff;
+            max-width: 400px;
+            width: 100%;
+            margin: 120px auto;
+            padding: 25px;
+            border-radius: 5px;
+            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
+        }
+
+        .selectionList li {
+            position: relative;
+            list-style: none;
+            height: 45px;
+            line-height: 45px;
+            margin-bottom: 8px;
+            background: #f2f2f2;
+            border-radius: 3px;
+            overflow: hidden;
+            box-shadow: 0 2px 2px rgba(0, 0, 0, 0.1);
+        }
+
+        .selectionList li button {
+            margin: 0;
+            display: block;
+            width: 100%;
+            height: 100%;
+            border: none;
+        }
+    </style>
+    <title>ionscale</title>
+</head>
+<body>
+<div class="wrapper">
+    <div style="text-align: center">
+        <p><b>ionscale</b></p>
+        <small>{{.Version}}</small>
+    </div>
+</div>
+</body>
+</html>

internal/templates/invalidauthkey.html

@@ -0,0 +1,63 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <style>
+        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
+
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+            font-family: 'Poppins', sans-serif;
+        }
+
+        body {
+            width: 100%;
+            height: 100vh;
+            padding: 10px;
+            background: #379683;
+        }
+
+        .wrapper {
+            background: #fff;
+            max-width: 400px;
+            width: 100%;
+            margin: 120px auto;
+            padding: 25px;
+            border-radius: 5px;
+            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
+        }
+
+        .selectionList li {
+            position: relative;
+            list-style: none;
+            height: 45px;
+            line-height: 45px;
+            margin-bottom: 8px;
+            background: #f2f2f2;
+            border-radius: 3px;
+            overflow: hidden;
+            box-shadow: 0 2px 2px rgba(0, 0, 0, 0.1);
+        }
+
+        .selectionList li button {
+            margin: 0;
+            display: block;
+            width: 100%;
+            height: 100%;
+            border: none;
+        }
+    </style>
+    <title>ionscale</title>
+</head>
+<body>
+<div class="wrapper">
+    <div style="text-align: center">
+        <p><b>Authorization failed</b></p>
+        <small>the provided auth key is <b style="color: red">invalid</b></small>
+    </div>
+</div>
+</body>
+</html>

internal/templates/success.html

@@ -0,0 +1,63 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <style>
+        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
+
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+            font-family: 'Poppins', sans-serif;
+        }
+
+        body {
+            width: 100%;
+            height: 100vh;
+            padding: 10px;
+            background: #379683;
+        }
+
+        .wrapper {
+            background: #fff;
+            max-width: 400px;
+            width: 100%;
+            margin: 120px auto;
+            padding: 25px;
+            border-radius: 5px;
+            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
+        }
+
+        .selectionList li {
+            position: relative;
+            list-style: none;
+            height: 45px;
+            line-height: 45px;
+            margin-bottom: 8px;
+            background: #f2f2f2;
+            border-radius: 3px;
+            overflow: hidden;
+            box-shadow: 0 2px 2px rgba(0, 0, 0, 0.1);
+        }
+
+        .selectionList li button {
+            margin: 0;
+            display: block;
+            width: 100%;
+            height: 100%;
+            border: none;
+        }
+    </style>
+    <title>ionscale</title>
+</head>
+<body>
+<div class="wrapper">
+    <div style="text-align: center">
+        <p><b>Authorization successful</b></p>
+        <small>You can now close this window</small>
+    </div>
+</div>
+</body>
+</html>

internal/templates/templates.go

@@ -0,0 +1,23 @@
+package templates
+
+import (
+	"embed"
+	"github.com/labstack/echo/v4"
+	"html/template"
+	"io"
+)
+
+//go:embed *.html
+var fs embed.FS
+
+func NewTemplates() *Template {
+	return &Template{templates: template.Must(template.ParseFS(fs, "*.html"))}
+}
+
+type Template struct {
+	templates *template.Template
+}
+
+func (t *Template) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
+	return t.templates.ExecuteTemplate(w, name, data)
+}

internal/token/token.go

@@ -0,0 +1,124 @@
+package token
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/jsiebens/ionscale/internal/util"
+	"github.com/mr-tron/base58"
+	"strings"
+	"tailscale.com/types/key"
+	"time"
+)
+
+const (
+	nonceLength            = 16
+	systemAdminTokenPrefix = "st_"
+)
+
+var driftCompensation = time.Minute
+
+type Info struct {
+	Nonce        string    `json:"nonce"`
+	NonceBytes   []byte    `json:"-"`
+	CreationTime time.Time `json:"creation_time"`
+}
+
+func IsSystemAdminToken(token string) bool {
+	return strings.HasPrefix(token, systemAdminTokenPrefix)
+}
+
+func ParseSystemAdminToken(privKey key.MachinePrivate, versionedToken string) (*Info, error) {
+	versionedToken = strings.TrimSpace(versionedToken)
+	if versionedToken == "" {
+		return nil, errors.New("empty token")
+	}
+
+	if !strings.HasPrefix(versionedToken, systemAdminTokenPrefix) {
+		return nil, errors.New("token has wrong format")
+	}
+	token := strings.TrimPrefix(versionedToken, systemAdminTokenPrefix)
+
+	marshaledBlob, err := base58.FastBase58Decoding(token)
+	if err != nil {
+		return nil, fmt.Errorf("error base58-decoding token: %w", err)
+	}
+	if len(marshaledBlob) == 0 {
+		return nil, fmt.Errorf("length zero after base58-decoding token")
+	}
+
+	info := new(Info)
+
+	if err := unmarshal(marshaledBlob, info, privKey.Public(), privKey); err != nil {
+		return nil, fmt.Errorf("error unmarshaling token info: %w", err)
+	}
+
+	info.NonceBytes, err = base64.RawStdEncoding.DecodeString(info.Nonce)
+	if err != nil {
+		return nil, fmt.Errorf("error decoding nonce bytes: %w", err)
+	}
+	if len(info.NonceBytes) != nonceLength {
+		return nil, errors.New("nonce has incorrect length, must be 32 bytes")
+	}
+
+	if info.CreationTime.IsZero() {
+		return nil, errors.New("token creation time is zero")
+	}
+
+	if info.CreationTime.After(time.Now().Add(driftCompensation)) {
+		return nil, errors.New("token creation time is invalid")
+	}
+
+	if info.CreationTime.Before(time.Now().Add(-driftCompensation)) {
+		return nil, errors.New("token creation time is expired")
+	}
+
+	return info, nil
+}
+
+func GenerateSystemAdminToken(privKey key.MachinePrivate) (string, error) {
+	b, err := util.RandomBytes(nonceLength)
+	if err != nil {
+		return "", fmt.Errorf("error generating random bytes for token nonce: %w", err)
+	}
+	info := &Info{
+		Nonce:        base64.RawStdEncoding.EncodeToString(b),
+		CreationTime: time.Now(),
+	}
+
+	return formatToken(privKey.Public(), privKey, systemAdminTokenPrefix, info)
+}
+
+func formatToken(pubKey key.MachinePublic, privKey key.MachinePrivate, prefix string, v interface{}) (string, error) {
+	blobInfo, err := marshal(v, pubKey, privKey)
+	if err != nil {
+		return "", fmt.Errorf("error encrypting info: %w", err)
+	}
+
+	encodedMarshaledBlob := base58.FastBase58Encoding(blobInfo)
+
+	return fmt.Sprintf("%s%s", prefix, encodedMarshaledBlob), nil
+}
+
+func marshal(v interface{}, pubKey key.MachinePublic, privKey key.MachinePrivate) ([]byte, error) {
+	b, err := json.Marshal(v)
+	if err != nil {
+		return nil, err
+	}
+
+	return privKey.SealTo(pubKey, b), nil
+}
+
+func unmarshal(msg []byte, v interface{}, publicKey key.MachinePublic, privateKey key.MachinePrivate) error {
+	decrypted, ok := privateKey.OpenFrom(publicKey, msg)
+	if !ok {
+		return fmt.Errorf("unable to decrypt payload")
+	}
+
+	if err := json.Unmarshal(decrypted, v); err != nil {
+		return err
+	}
+
+	return nil
+}

internal/util/id.go

@@ -0,0 +1,53 @@
+package util
+
+import (
+	"fmt"
+	"github.com/sony/sonyflake"
+	"net"
+	"os"
+	"strconv"
+	"time"
+)
+
+var sf *sonyflake.Sonyflake
+
+func init() {
+	sf = sonyflake.NewSonyflake(sonyflake.Settings{
+		MachineID: machineID(),
+		StartTime: time.Date(2022, 05, 01, 00, 0, 0, 0, time.UTC),
+	})
+	if sf == nil {
+		panic("unable to initialize sonyflake")
+	}
+}
+
+func machineID() func() (uint16, error) {
+	envMachineID := os.Getenv("IONSCALE_MACHINE_ID")
+	if len(envMachineID) != 0 {
+		return func() (uint16, error) {
+			id, err := strconv.ParseInt(envMachineID, 0, 16)
+			if err != nil {
+				return 0, err
+			}
+			return uint16(id), nil
+		}
+	}
+
+	envMachineIP := os.Getenv("IONSCALE_MACHINE_IP")
+	if len(envMachineIP) != 0 {
+		return func() (uint16, error) {
+			ip := net.ParseIP(envMachineIP).To4()
+			if len(ip) < 4 {
+				return 0, fmt.Errorf("invalid IP")
+			}
+			return uint16(ip[2])<<8 + uint16(ip[3]), nil
+		}
+	}
+
+	return nil
+}
+
+func NextID() uint64 {
+	id, _ := sf.NextID()
+	return id
+}

internal/util/key.go

@@ -0,0 +1,69 @@
+package util
+
+import (
+	"strings"
+	"tailscale.com/types/key"
+)
+
+const (
+	discoPublicHexPrefix   = "discokey:"
+	nodePublicHexPrefix    = "nodekey:"
+	machinePublicHexPrefix = "mkey:"
+	privateHexPrefix       = "privkey:"
+)
+
+func ParseMachinePrivateKey(machineKey string) (*key.MachinePrivate, error) {
+	if !strings.HasPrefix(machineKey, privateHexPrefix) {
+		machineKey = privateHexPrefix + machineKey
+	}
+
+	var mp key.MachinePrivate
+
+	if err := mp.UnmarshalText([]byte(machineKey)); err != nil {
+		return nil, err
+	}
+
+	return &mp, nil
+}
+
+func ParseMachinePublicKey(machineKey string) (*key.MachinePublic, error) {
+	if !strings.HasPrefix(machineKey, machinePublicHexPrefix) {
+		machineKey = machinePublicHexPrefix + machineKey
+	}
+
+	var mp key.MachinePublic
+
+	if err := mp.UnmarshalText([]byte(machineKey)); err != nil {
+		return nil, err
+	}
+
+	return &mp, nil
+}
+
+func ParseNodePublicKey(machineKey string) (*key.NodePublic, error) {
+	if !strings.HasPrefix(machineKey, nodePublicHexPrefix) {
+		machineKey = nodePublicHexPrefix + machineKey
+	}
+
+	var mp key.NodePublic
+
+	if err := mp.UnmarshalText([]byte(machineKey)); err != nil {
+		return nil, err
+	}
+
+	return &mp, nil
+}
+
+func ParseDiscoPublicKey(machineKey string) (*key.DiscoPublic, error) {
+	if !strings.HasPrefix(machineKey, discoPublicHexPrefix) {
+		machineKey = discoPublicHexPrefix + machineKey
+	}
+
+	var mp key.DiscoPublic
+
+	if err := mp.UnmarshalText([]byte(machineKey)); err != nil {
+		return nil, err
+	}
+
+	return &mp, nil
+}

internal/util/util.go

@@ -0,0 +1,36 @@
+package util
+
+import (
+	"math/rand"
+	"time"
+)
+
+var entropy *rand.Rand
+
+func init() {
+	seed := time.Now().UnixNano()
+	source := rand.NewSource(seed)
+	entropy = rand.New(source)
+}
+
+const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+func RandStringBytes(n int) string {
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letterBytes[rand.Intn(len(letterBytes))]
+	}
+	return string(b)
+}
+
+func RandUint64(n uint64) uint64 {
+	return entropy.Uint64() % n
+}
+
+func RandomBytes(size int) ([]byte, error) {
+	buf := make([]byte, size)
+	if _, err := entropy.Read(buf); err != nil {
+		return nil, err
+	}
+	return buf, nil
+}

internal/version/version.go

@@ -0,0 +1,18 @@
+package version
+
+var (
+	Version    string
+	Revision   string
+	DevVersion = "dev"
+)
+
+func BuildVersion() string {
+	if len(Version) == 0 {
+		return DevVersion
+	}
+	return Version
+}
+
+func GetReleaseInfo() (string, string) {
+	return BuildVersion(), Revision
+}

pkg/client/ionscale/auth.go

@@ -0,0 +1,73 @@
+package ionscale
+
+import (
+	"context"
+	"fmt"
+	"github.com/jsiebens/ionscale/internal/token"
+	"github.com/jsiebens/ionscale/internal/util"
+	"google.golang.org/grpc/credentials"
+	"tailscale.com/types/key"
+)
+
+func HasCredentials(systemAdminKey string) bool {
+	return systemAdminKey != ""
+}
+
+func LoadClientAuth(systemAdminKey string) (ClientAuth, error) {
+	if systemAdminKey != "" {
+		k, err := util.ParseMachinePrivateKey(systemAdminKey)
+		if err != nil {
+			return nil, fmt.Errorf("invalid system admin key")
+		}
+		return &systemAdminTokenAuth{key: *k}, nil
+	}
+
+	return &anonymous{}, nil
+}
+
+type ClientAuth interface {
+	credentials.PerRPCCredentials
+}
+
+type anonymous struct {
+}
+
+func (m *anonymous) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
+	return nil, nil
+}
+
+func (m *anonymous) RequireTransportSecurity() bool {
+	return false
+}
+
+type systemAdminTokenAuth struct {
+	key key.MachinePrivate
+}
+
+func (m *systemAdminTokenAuth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
+	t, err := token.GenerateSystemAdminToken(m.key)
+	if err != nil {
+		return nil, err
+	}
+	return map[string]string{
+		"authorization": "Bearer " + t,
+	}, nil
+}
+
+func (m *systemAdminTokenAuth) RequireTransportSecurity() bool {
+	return false
+}
+
+type tokenAuth struct {
+	token string
+}
+
+func (m *tokenAuth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
+	return map[string]string{
+		"authorization": "Bearer " + m.token,
+	}, nil
+}
+
+func (m *tokenAuth) RequireTransportSecurity() bool {
+	return false
+}

pkg/client/ionscale/client.go

@@ -0,0 +1,36 @@
+package ionscale
+
+import (
+	"crypto/tls"
+	"github.com/jsiebens/ionscale/pkg/gen/api"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/credentials/insecure"
+	"io"
+	"net/url"
+)
+
+func NewClient(clientAuth ClientAuth, serverURL string, insecureSkipVerify bool) (api.IonscaleClient, io.Closer, error) {
+	parsedUrl, err := url.Parse(serverURL)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	var targetAddr = parsedUrl.Host
+	if parsedUrl.Port() == "" {
+		targetAddr = targetAddr + ":443"
+	}
+
+	var transportCreds = credentials.NewTLS(&tls.Config{InsecureSkipVerify: insecureSkipVerify})
+
+	if parsedUrl.Scheme != "https" {
+		transportCreds = insecure.NewCredentials()
+	}
+
+	conn, err := grpc.Dial(targetAddr, grpc.WithPerRPCCredentials(clientAuth), grpc.WithTransportCredentials(transportCreds))
+	if err != nil {
+		return nil, nil, err
+	}
+
+	return api.NewIonscaleClient(conn), conn, nil
+}

pkg/gen/api/auth_keys.pb.go

@@ -0,0 +1,637 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.17.3
+// source: api/auth_keys.proto
+
+package api
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type CreateAuthKeyRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	TailnetId uint64               `protobuf:"varint,1,opt,name=tailnet_id,json=tailnetId,proto3" json:"tailnet_id,omitempty"`
+	Ephemeral bool                 `protobuf:"varint,2,opt,name=ephemeral,proto3" json:"ephemeral,omitempty"`
+	Expiry    *durationpb.Duration `protobuf:"bytes,3,opt,name=expiry,proto3,oneof" json:"expiry,omitempty"`
+	Tags      []string             `protobuf:"bytes,4,rep,name=tags,proto3" json:"tags,omitempty"`
+}
+
+func (x *CreateAuthKeyRequest) Reset() {
+	*x = CreateAuthKeyRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_auth_keys_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateAuthKeyRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateAuthKeyRequest) ProtoMessage() {}
+
+func (x *CreateAuthKeyRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_auth_keys_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateAuthKeyRequest.ProtoReflect.Descriptor instead.
+func (*CreateAuthKeyRequest) Descriptor() ([]byte, []int) {
+	return file_api_auth_keys_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *CreateAuthKeyRequest) GetTailnetId() uint64 {
+	if x != nil {
+		return x.TailnetId
+	}
+	return 0
+}
+
+func (x *CreateAuthKeyRequest) GetEphemeral() bool {
+	if x != nil {
+		return x.Ephemeral
+	}
+	return false
+}
+
+func (x *CreateAuthKeyRequest) GetExpiry() *durationpb.Duration {
+	if x != nil {
+		return x.Expiry
+	}
+	return nil
+}
+
+func (x *CreateAuthKeyRequest) GetTags() []string {
+	if x != nil {
+		return x.Tags
+	}
+	return nil
+}
+
+type CreateAuthKeyResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	AuthKey *AuthKey `protobuf:"bytes,1,opt,name=auth_key,json=authKey,proto3" json:"auth_key,omitempty"`
+	Value   string   `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+}
+
+func (x *CreateAuthKeyResponse) Reset() {
+	*x = CreateAuthKeyResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_auth_keys_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateAuthKeyResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateAuthKeyResponse) ProtoMessage() {}
+
+func (x *CreateAuthKeyResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_auth_keys_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateAuthKeyResponse.ProtoReflect.Descriptor instead.
+func (*CreateAuthKeyResponse) Descriptor() ([]byte, []int) {
+	return file_api_auth_keys_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *CreateAuthKeyResponse) GetAuthKey() *AuthKey {
+	if x != nil {
+		return x.AuthKey
+	}
+	return nil
+}
+
+func (x *CreateAuthKeyResponse) GetValue() string {
+	if x != nil {
+		return x.Value
+	}
+	return ""
+}
+
+type DeleteAuthKeyRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	AuthKeyId uint64 `protobuf:"varint,1,opt,name=auth_key_id,json=authKeyId,proto3" json:"auth_key_id,omitempty"`
+}
+
+func (x *DeleteAuthKeyRequest) Reset() {
+	*x = DeleteAuthKeyRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_auth_keys_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeleteAuthKeyRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteAuthKeyRequest) ProtoMessage() {}
+
+func (x *DeleteAuthKeyRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_auth_keys_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteAuthKeyRequest.ProtoReflect.Descriptor instead.
+func (*DeleteAuthKeyRequest) Descriptor() ([]byte, []int) {
+	return file_api_auth_keys_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *DeleteAuthKeyRequest) GetAuthKeyId() uint64 {
+	if x != nil {
+		return x.AuthKeyId
+	}
+	return 0
+}
+
+type DeleteAuthKeyResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *DeleteAuthKeyResponse) Reset() {
+	*x = DeleteAuthKeyResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_auth_keys_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeleteAuthKeyResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteAuthKeyResponse) ProtoMessage() {}
+
+func (x *DeleteAuthKeyResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_auth_keys_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteAuthKeyResponse.ProtoReflect.Descriptor instead.
+func (*DeleteAuthKeyResponse) Descriptor() ([]byte, []int) {
+	return file_api_auth_keys_proto_rawDescGZIP(), []int{3}
+}
+
+type ListAuthKeysRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	TailnetId uint64 `protobuf:"varint,1,opt,name=tailnet_id,json=tailnetId,proto3" json:"tailnet_id,omitempty"`
+}
+
+func (x *ListAuthKeysRequest) Reset() {
+	*x = ListAuthKeysRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_auth_keys_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListAuthKeysRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListAuthKeysRequest) ProtoMessage() {}
+
+func (x *ListAuthKeysRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_auth_keys_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListAuthKeysRequest.ProtoReflect.Descriptor instead.
+func (*ListAuthKeysRequest) Descriptor() ([]byte, []int) {
+	return file_api_auth_keys_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *ListAuthKeysRequest) GetTailnetId() uint64 {
+	if x != nil {
+		return x.TailnetId
+	}
+	return 0
+}
+
+type ListAuthKeysResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	AuthKeys []*AuthKey `protobuf:"bytes,1,rep,name=auth_keys,json=authKeys,proto3" json:"auth_keys,omitempty"`
+}
+
+func (x *ListAuthKeysResponse) Reset() {
+	*x = ListAuthKeysResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_auth_keys_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListAuthKeysResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListAuthKeysResponse) ProtoMessage() {}
+
+func (x *ListAuthKeysResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_auth_keys_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListAuthKeysResponse.ProtoReflect.Descriptor instead.
+func (*ListAuthKeysResponse) Descriptor() ([]byte, []int) {
+	return file_api_auth_keys_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *ListAuthKeysResponse) GetAuthKeys() []*AuthKey {
+	if x != nil {
+		return x.AuthKeys
+	}
+	return nil
+}
+
+type AuthKey struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id        uint64                 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	Key       string                 `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
+	Ephemeral bool                   `protobuf:"varint,3,opt,name=ephemeral,proto3" json:"ephemeral,omitempty"`
+	Tags      []string               `protobuf:"bytes,4,rep,name=tags,proto3" json:"tags,omitempty"`
+	CreatedAt *timestamppb.Timestamp `protobuf:"bytes,5,opt,name=created_at,json=createdAt,proto3" json:"created_at,omitempty"`
+	ExpiresAt *timestamppb.Timestamp `protobuf:"bytes,6,opt,name=expires_at,json=expiresAt,proto3,oneof" json:"expires_at,omitempty"`
+	Tailnet   *Ref                   `protobuf:"bytes,7,opt,name=tailnet,proto3" json:"tailnet,omitempty"`
+}
+
+func (x *AuthKey) Reset() {
+	*x = AuthKey{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_auth_keys_proto_msgTypes[6]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *AuthKey) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AuthKey) ProtoMessage() {}
+
+func (x *AuthKey) ProtoReflect() protoreflect.Message {
+	mi := &file_api_auth_keys_proto_msgTypes[6]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AuthKey.ProtoReflect.Descriptor instead.
+func (*AuthKey) Descriptor() ([]byte, []int) {
+	return file_api_auth_keys_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *AuthKey) GetId() uint64 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *AuthKey) GetKey() string {
+	if x != nil {
+		return x.Key
+	}
+	return ""
+}
+
+func (x *AuthKey) GetEphemeral() bool {
+	if x != nil {
+		return x.Ephemeral
+	}
+	return false
+}
+
+func (x *AuthKey) GetTags() []string {
+	if x != nil {
+		return x.Tags
+	}
+	return nil
+}
+
+func (x *AuthKey) GetCreatedAt() *timestamppb.Timestamp {
+	if x != nil {
+		return x.CreatedAt
+	}
+	return nil
+}
+
+func (x *AuthKey) GetExpiresAt() *timestamppb.Timestamp {
+	if x != nil {
+		return x.ExpiresAt
+	}
+	return nil
+}
+
+func (x *AuthKey) GetTailnet() *Ref {
+	if x != nil {
+		return x.Tailnet
+	}
+	return nil
+}
+
+var File_api_auth_keys_proto protoreflect.FileDescriptor
+
+var file_api_auth_keys_proto_rawDesc = []byte{
+	0x0a, 0x13, 0x61, 0x70, 0x69, 0x2f, 0x61, 0x75, 0x74, 0x68, 0x5f, 0x6b, 0x65, 0x79, 0x73, 0x2e,
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+	0x61, 0x70, 0x69, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_api_auth_keys_proto_rawDescOnce sync.Once
+	file_api_auth_keys_proto_rawDescData = file_api_auth_keys_proto_rawDesc
+)
+
+func file_api_auth_keys_proto_rawDescGZIP() []byte {
+	file_api_auth_keys_proto_rawDescOnce.Do(func() {
+		file_api_auth_keys_proto_rawDescData = protoimpl.X.CompressGZIP(file_api_auth_keys_proto_rawDescData)
+	})
+	return file_api_auth_keys_proto_rawDescData
+}
+
+var file_api_auth_keys_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_api_auth_keys_proto_goTypes = []interface{}{
+	(*CreateAuthKeyRequest)(nil),  // 0: api.CreateAuthKeyRequest
+	(*CreateAuthKeyResponse)(nil), // 1: api.CreateAuthKeyResponse
+	(*DeleteAuthKeyRequest)(nil),  // 2: api.DeleteAuthKeyRequest
+	(*DeleteAuthKeyResponse)(nil), // 3: api.DeleteAuthKeyResponse
+	(*ListAuthKeysRequest)(nil),   // 4: api.ListAuthKeysRequest
+	(*ListAuthKeysResponse)(nil),  // 5: api.ListAuthKeysResponse
+	(*AuthKey)(nil),               // 6: api.AuthKey
+	(*durationpb.Duration)(nil),   // 7: google.protobuf.Duration
+	(*timestamppb.Timestamp)(nil), // 8: google.protobuf.Timestamp
+	(*Ref)(nil),                   // 9: api.Ref
+}
+var file_api_auth_keys_proto_depIdxs = []int32{
+	7, // 0: api.CreateAuthKeyRequest.expiry:type_name -> google.protobuf.Duration
+	6, // 1: api.CreateAuthKeyResponse.auth_key:type_name -> api.AuthKey
+	6, // 2: api.ListAuthKeysResponse.auth_keys:type_name -> api.AuthKey
+	8, // 3: api.AuthKey.created_at:type_name -> google.protobuf.Timestamp
+	8, // 4: api.AuthKey.expires_at:type_name -> google.protobuf.Timestamp
+	9, // 5: api.AuthKey.tailnet:type_name -> api.Ref
+	6, // [6:6] is the sub-list for method output_type
+	6, // [6:6] is the sub-list for method input_type
+	6, // [6:6] is the sub-list for extension type_name
+	6, // [6:6] is the sub-list for extension extendee
+	0, // [0:6] is the sub-list for field type_name
+}
+
+func init() { file_api_auth_keys_proto_init() }
+func file_api_auth_keys_proto_init() {
+	if File_api_auth_keys_proto != nil {
+		return
+	}
+	file_api_ref_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_api_auth_keys_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CreateAuthKeyRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_auth_keys_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CreateAuthKeyResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_auth_keys_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DeleteAuthKeyRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_auth_keys_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DeleteAuthKeyResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_auth_keys_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListAuthKeysRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_auth_keys_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListAuthKeysResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_auth_keys_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*AuthKey); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_api_auth_keys_proto_msgTypes[0].OneofWrappers = []interface{}{}
+	file_api_auth_keys_proto_msgTypes[6].OneofWrappers = []interface{}{}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_api_auth_keys_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   7,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_api_auth_keys_proto_goTypes,
+		DependencyIndexes: file_api_auth_keys_proto_depIdxs,
+		MessageInfos:      file_api_auth_keys_proto_msgTypes,
+	}.Build()
+	File_api_auth_keys_proto = out.File
+	file_api_auth_keys_proto_rawDesc = nil
+	file_api_auth_keys_proto_goTypes = nil
+	file_api_auth_keys_proto_depIdxs = nil
+}

pkg/gen/api/ionscale.pb.go

@@ -0,0 +1,148 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.17.3
+// source: api/ionscale.proto
+
+package api
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	_ "google.golang.org/protobuf/types/known/durationpb"
+	_ "google.golang.org/protobuf/types/known/timestamppb"
+	reflect "reflect"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+var File_api_ionscale_proto protoreflect.FileDescriptor
+
+var file_api_ionscale_proto_rawDesc = []byte{
+	0x0a, 0x12, 0x61, 0x70, 0x69, 0x2f, 0x69, 0x6f, 0x6e, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x12, 0x03, 0x61, 0x70, 0x69, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
+	0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73,
+	0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x1e, 0x67, 0x6f, 0x6f, 0x67,
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+	0x61, 0x70, 0x69, 0x2e, 0x47, 0x65, 0x74, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x52, 0x65,
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+	0x65, 0x22, 0x00, 0x42, 0x2a, 0x5a, 0x28, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f,
+	0x6d, 0x2f, 0x6a, 0x73, 0x69, 0x65, 0x62, 0x65, 0x6e, 0x73, 0x2f, 0x69, 0x6f, 0x6e, 0x73, 0x63,
+	0x61, 0x6c, 0x65, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x67, 0x65, 0x6e, 0x3b, 0x61, 0x70, 0x69, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var file_api_ionscale_proto_goTypes = []interface{}{
+	(*GetVersionRequest)(nil),     // 0: api.GetVersionRequest
+	(*CreateTailnetRequest)(nil),  // 1: api.CreateTailnetRequest
+	(*ListTailnetRequest)(nil),    // 2: api.ListTailnetRequest
+	(*CreateAuthKeyRequest)(nil),  // 3: api.CreateAuthKeyRequest
+	(*DeleteAuthKeyRequest)(nil),  // 4: api.DeleteAuthKeyRequest
+	(*ListAuthKeysRequest)(nil),   // 5: api.ListAuthKeysRequest
+	(*ListMachinesRequest)(nil),   // 6: api.ListMachinesRequest
+	(*DeleteMachineRequest)(nil),  // 7: api.DeleteMachineRequest
+	(*GetVersionResponse)(nil),    // 8: api.GetVersionResponse
+	(*CreateTailnetResponse)(nil), // 9: api.CreateTailnetResponse
+	(*ListTailnetResponse)(nil),   // 10: api.ListTailnetResponse
+	(*CreateAuthKeyResponse)(nil), // 11: api.CreateAuthKeyResponse
+	(*DeleteAuthKeyResponse)(nil), // 12: api.DeleteAuthKeyResponse
+	(*ListAuthKeysResponse)(nil),  // 13: api.ListAuthKeysResponse
+	(*ListMachinesResponse)(nil),  // 14: api.ListMachinesResponse
+	(*DeleteMachineResponse)(nil), // 15: api.DeleteMachineResponse
+}
+var file_api_ionscale_proto_depIdxs = []int32{
+	0,  // 0: api.Ionscale.GetVersion:input_type -> api.GetVersionRequest
+	1,  // 1: api.Ionscale.CreateTailnet:input_type -> api.CreateTailnetRequest
+	2,  // 2: api.Ionscale.ListTailnets:input_type -> api.ListTailnetRequest
+	3,  // 3: api.Ionscale.CreateAuthKey:input_type -> api.CreateAuthKeyRequest
+	4,  // 4: api.Ionscale.DeleteAuthKey:input_type -> api.DeleteAuthKeyRequest
+	5,  // 5: api.Ionscale.ListAuthKeys:input_type -> api.ListAuthKeysRequest
+	6,  // 6: api.Ionscale.ListMachines:input_type -> api.ListMachinesRequest
+	7,  // 7: api.Ionscale.DeleteMachine:input_type -> api.DeleteMachineRequest
+	8,  // 8: api.Ionscale.GetVersion:output_type -> api.GetVersionResponse
+	9,  // 9: api.Ionscale.CreateTailnet:output_type -> api.CreateTailnetResponse
+	10, // 10: api.Ionscale.ListTailnets:output_type -> api.ListTailnetResponse
+	11, // 11: api.Ionscale.CreateAuthKey:output_type -> api.CreateAuthKeyResponse
+	12, // 12: api.Ionscale.DeleteAuthKey:output_type -> api.DeleteAuthKeyResponse
+	13, // 13: api.Ionscale.ListAuthKeys:output_type -> api.ListAuthKeysResponse
+	14, // 14: api.Ionscale.ListMachines:output_type -> api.ListMachinesResponse
+	15, // 15: api.Ionscale.DeleteMachine:output_type -> api.DeleteMachineResponse
+	8,  // [8:16] is the sub-list for method output_type
+	0,  // [0:8] is the sub-list for method input_type
+	0,  // [0:0] is the sub-list for extension type_name
+	0,  // [0:0] is the sub-list for extension extendee
+	0,  // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_api_ionscale_proto_init() }
+func file_api_ionscale_proto_init() {
+	if File_api_ionscale_proto != nil {
+		return
+	}
+	file_api_version_proto_init()
+	file_api_tailnets_proto_init()
+	file_api_auth_keys_proto_init()
+	file_api_machines_proto_init()
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_api_ionscale_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   0,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_api_ionscale_proto_goTypes,
+		DependencyIndexes: file_api_ionscale_proto_depIdxs,
+	}.Build()
+	File_api_ionscale_proto = out.File
+	file_api_ionscale_proto_rawDesc = nil
+	file_api_ionscale_proto_goTypes = nil
+	file_api_ionscale_proto_depIdxs = nil
+}

pkg/gen/api/ionscale_grpc.pb.go

@@ -0,0 +1,351 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package api
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// IonscaleClient is the client API for Ionscale service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type IonscaleClient interface {
+	GetVersion(ctx context.Context, in *GetVersionRequest, opts ...grpc.CallOption) (*GetVersionResponse, error)
+	CreateTailnet(ctx context.Context, in *CreateTailnetRequest, opts ...grpc.CallOption) (*CreateTailnetResponse, error)
+	ListTailnets(ctx context.Context, in *ListTailnetRequest, opts ...grpc.CallOption) (*ListTailnetResponse, error)
+	CreateAuthKey(ctx context.Context, in *CreateAuthKeyRequest, opts ...grpc.CallOption) (*CreateAuthKeyResponse, error)
+	DeleteAuthKey(ctx context.Context, in *DeleteAuthKeyRequest, opts ...grpc.CallOption) (*DeleteAuthKeyResponse, error)
+	ListAuthKeys(ctx context.Context, in *ListAuthKeysRequest, opts ...grpc.CallOption) (*ListAuthKeysResponse, error)
+	ListMachines(ctx context.Context, in *ListMachinesRequest, opts ...grpc.CallOption) (*ListMachinesResponse, error)
+	DeleteMachine(ctx context.Context, in *DeleteMachineRequest, opts ...grpc.CallOption) (*DeleteMachineResponse, error)
+}
+
+type ionscaleClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewIonscaleClient(cc grpc.ClientConnInterface) IonscaleClient {
+	return &ionscaleClient{cc}
+}
+
+func (c *ionscaleClient) GetVersion(ctx context.Context, in *GetVersionRequest, opts ...grpc.CallOption) (*GetVersionResponse, error) {
+	out := new(GetVersionResponse)
+	err := c.cc.Invoke(ctx, "/api.Ionscale/GetVersion", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *ionscaleClient) CreateTailnet(ctx context.Context, in *CreateTailnetRequest, opts ...grpc.CallOption) (*CreateTailnetResponse, error) {
+	out := new(CreateTailnetResponse)
+	err := c.cc.Invoke(ctx, "/api.Ionscale/CreateTailnet", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *ionscaleClient) ListTailnets(ctx context.Context, in *ListTailnetRequest, opts ...grpc.CallOption) (*ListTailnetResponse, error) {
+	out := new(ListTailnetResponse)
+	err := c.cc.Invoke(ctx, "/api.Ionscale/ListTailnets", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *ionscaleClient) CreateAuthKey(ctx context.Context, in *CreateAuthKeyRequest, opts ...grpc.CallOption) (*CreateAuthKeyResponse, error) {
+	out := new(CreateAuthKeyResponse)
+	err := c.cc.Invoke(ctx, "/api.Ionscale/CreateAuthKey", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *ionscaleClient) DeleteAuthKey(ctx context.Context, in *DeleteAuthKeyRequest, opts ...grpc.CallOption) (*DeleteAuthKeyResponse, error) {
+	out := new(DeleteAuthKeyResponse)
+	err := c.cc.Invoke(ctx, "/api.Ionscale/DeleteAuthKey", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *ionscaleClient) ListAuthKeys(ctx context.Context, in *ListAuthKeysRequest, opts ...grpc.CallOption) (*ListAuthKeysResponse, error) {
+	out := new(ListAuthKeysResponse)
+	err := c.cc.Invoke(ctx, "/api.Ionscale/ListAuthKeys", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *ionscaleClient) ListMachines(ctx context.Context, in *ListMachinesRequest, opts ...grpc.CallOption) (*ListMachinesResponse, error) {
+	out := new(ListMachinesResponse)
+	err := c.cc.Invoke(ctx, "/api.Ionscale/ListMachines", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *ionscaleClient) DeleteMachine(ctx context.Context, in *DeleteMachineRequest, opts ...grpc.CallOption) (*DeleteMachineResponse, error) {
+	out := new(DeleteMachineResponse)
+	err := c.cc.Invoke(ctx, "/api.Ionscale/DeleteMachine", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// IonscaleServer is the server API for Ionscale service.
+// All implementations should embed UnimplementedIonscaleServer
+// for forward compatibility
+type IonscaleServer interface {
+	GetVersion(context.Context, *GetVersionRequest) (*GetVersionResponse, error)
+	CreateTailnet(context.Context, *CreateTailnetRequest) (*CreateTailnetResponse, error)
+	ListTailnets(context.Context, *ListTailnetRequest) (*ListTailnetResponse, error)
+	CreateAuthKey(context.Context, *CreateAuthKeyRequest) (*CreateAuthKeyResponse, error)
+	DeleteAuthKey(context.Context, *DeleteAuthKeyRequest) (*DeleteAuthKeyResponse, error)
+	ListAuthKeys(context.Context, *ListAuthKeysRequest) (*ListAuthKeysResponse, error)
+	ListMachines(context.Context, *ListMachinesRequest) (*ListMachinesResponse, error)
+	DeleteMachine(context.Context, *DeleteMachineRequest) (*DeleteMachineResponse, error)
+}
+
+// UnimplementedIonscaleServer should be embedded to have forward compatible implementations.
+type UnimplementedIonscaleServer struct {
+}
+
+func (UnimplementedIonscaleServer) GetVersion(context.Context, *GetVersionRequest) (*GetVersionResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetVersion not implemented")
+}
+func (UnimplementedIonscaleServer) CreateTailnet(context.Context, *CreateTailnetRequest) (*CreateTailnetResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateTailnet not implemented")
+}
+func (UnimplementedIonscaleServer) ListTailnets(context.Context, *ListTailnetRequest) (*ListTailnetResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListTailnets not implemented")
+}
+func (UnimplementedIonscaleServer) CreateAuthKey(context.Context, *CreateAuthKeyRequest) (*CreateAuthKeyResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateAuthKey not implemented")
+}
+func (UnimplementedIonscaleServer) DeleteAuthKey(context.Context, *DeleteAuthKeyRequest) (*DeleteAuthKeyResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteAuthKey not implemented")
+}
+func (UnimplementedIonscaleServer) ListAuthKeys(context.Context, *ListAuthKeysRequest) (*ListAuthKeysResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListAuthKeys not implemented")
+}
+func (UnimplementedIonscaleServer) ListMachines(context.Context, *ListMachinesRequest) (*ListMachinesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListMachines not implemented")
+}
+func (UnimplementedIonscaleServer) DeleteMachine(context.Context, *DeleteMachineRequest) (*DeleteMachineResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteMachine not implemented")
+}
+
+// UnsafeIonscaleServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to IonscaleServer will
+// result in compilation errors.
+type UnsafeIonscaleServer interface {
+	mustEmbedUnimplementedIonscaleServer()
+}
+
+func RegisterIonscaleServer(s grpc.ServiceRegistrar, srv IonscaleServer) {
+	s.RegisterService(&Ionscale_ServiceDesc, srv)
+}
+
+func _Ionscale_GetVersion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetVersionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(IonscaleServer).GetVersion(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Ionscale/GetVersion",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(IonscaleServer).GetVersion(ctx, req.(*GetVersionRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Ionscale_CreateTailnet_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateTailnetRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(IonscaleServer).CreateTailnet(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Ionscale/CreateTailnet",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(IonscaleServer).CreateTailnet(ctx, req.(*CreateTailnetRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Ionscale_ListTailnets_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListTailnetRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(IonscaleServer).ListTailnets(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Ionscale/ListTailnets",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(IonscaleServer).ListTailnets(ctx, req.(*ListTailnetRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Ionscale_CreateAuthKey_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateAuthKeyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(IonscaleServer).CreateAuthKey(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Ionscale/CreateAuthKey",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(IonscaleServer).CreateAuthKey(ctx, req.(*CreateAuthKeyRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Ionscale_DeleteAuthKey_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteAuthKeyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(IonscaleServer).DeleteAuthKey(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Ionscale/DeleteAuthKey",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(IonscaleServer).DeleteAuthKey(ctx, req.(*DeleteAuthKeyRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Ionscale_ListAuthKeys_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListAuthKeysRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(IonscaleServer).ListAuthKeys(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Ionscale/ListAuthKeys",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(IonscaleServer).ListAuthKeys(ctx, req.(*ListAuthKeysRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Ionscale_ListMachines_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListMachinesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(IonscaleServer).ListMachines(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Ionscale/ListMachines",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(IonscaleServer).ListMachines(ctx, req.(*ListMachinesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Ionscale_DeleteMachine_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteMachineRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(IonscaleServer).DeleteMachine(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/api.Ionscale/DeleteMachine",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(IonscaleServer).DeleteMachine(ctx, req.(*DeleteMachineRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Ionscale_ServiceDesc is the grpc.ServiceDesc for Ionscale service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Ionscale_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "api.Ionscale",
+	HandlerType: (*IonscaleServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetVersion",
+			Handler:    _Ionscale_GetVersion_Handler,
+		},
+		{
+			MethodName: "CreateTailnet",
+			Handler:    _Ionscale_CreateTailnet_Handler,
+		},
+		{
+			MethodName: "ListTailnets",
+			Handler:    _Ionscale_ListTailnets_Handler,
+		},
+		{
+			MethodName: "CreateAuthKey",
+			Handler:    _Ionscale_CreateAuthKey_Handler,
+		},
+		{
+			MethodName: "DeleteAuthKey",
+			Handler:    _Ionscale_DeleteAuthKey_Handler,
+		},
+		{
+			MethodName: "ListAuthKeys",
+			Handler:    _Ionscale_ListAuthKeys_Handler,
+		},
+		{
+			MethodName: "ListMachines",
+			Handler:    _Ionscale_ListMachines_Handler,
+		},
+		{
+			MethodName: "DeleteMachine",
+			Handler:    _Ionscale_DeleteMachine_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "api/ionscale.proto",
+}

pkg/gen/api/machines.pb.go

@@ -0,0 +1,480 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.17.3
+// source: api/machines.proto
+
+package api
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	_ "google.golang.org/protobuf/types/known/durationpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type ListMachinesRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	TailnetId uint64 `protobuf:"varint,1,opt,name=tailnet_id,json=tailnetId,proto3" json:"tailnet_id,omitempty"`
+}
+
+func (x *ListMachinesRequest) Reset() {
+	*x = ListMachinesRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_machines_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListMachinesRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListMachinesRequest) ProtoMessage() {}
+
+func (x *ListMachinesRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_machines_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListMachinesRequest.ProtoReflect.Descriptor instead.
+func (*ListMachinesRequest) Descriptor() ([]byte, []int) {
+	return file_api_machines_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ListMachinesRequest) GetTailnetId() uint64 {
+	if x != nil {
+		return x.TailnetId
+	}
+	return 0
+}
+
+type ListMachinesResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Machines []*Machine `protobuf:"bytes,1,rep,name=machines,proto3" json:"machines,omitempty"`
+}
+
+func (x *ListMachinesResponse) Reset() {
+	*x = ListMachinesResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_machines_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListMachinesResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListMachinesResponse) ProtoMessage() {}
+
+func (x *ListMachinesResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_machines_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListMachinesResponse.ProtoReflect.Descriptor instead.
+func (*ListMachinesResponse) Descriptor() ([]byte, []int) {
+	return file_api_machines_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *ListMachinesResponse) GetMachines() []*Machine {
+	if x != nil {
+		return x.Machines
+	}
+	return nil
+}
+
+type DeleteMachineRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	MachineId uint64 `protobuf:"varint,1,opt,name=machine_id,json=machineId,proto3" json:"machine_id,omitempty"`
+}
+
+func (x *DeleteMachineRequest) Reset() {
+	*x = DeleteMachineRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_machines_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeleteMachineRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteMachineRequest) ProtoMessage() {}
+
+func (x *DeleteMachineRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_machines_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteMachineRequest.ProtoReflect.Descriptor instead.
+func (*DeleteMachineRequest) Descriptor() ([]byte, []int) {
+	return file_api_machines_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *DeleteMachineRequest) GetMachineId() uint64 {
+	if x != nil {
+		return x.MachineId
+	}
+	return 0
+}
+
+type DeleteMachineResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *DeleteMachineResponse) Reset() {
+	*x = DeleteMachineResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_machines_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *DeleteMachineResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*DeleteMachineResponse) ProtoMessage() {}
+
+func (x *DeleteMachineResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_machines_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use DeleteMachineResponse.ProtoReflect.Descriptor instead.
+func (*DeleteMachineResponse) Descriptor() ([]byte, []int) {
+	return file_api_machines_proto_rawDescGZIP(), []int{3}
+}
+
+type Machine struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id        uint64                 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	Name      string                 `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	Ipv4      string                 `protobuf:"bytes,3,opt,name=ipv4,proto3" json:"ipv4,omitempty"`
+	Ipv6      string                 `protobuf:"bytes,4,opt,name=ipv6,proto3" json:"ipv6,omitempty"`
+	Ephemeral bool                   `protobuf:"varint,5,opt,name=ephemeral,proto3" json:"ephemeral,omitempty"`
+	LastSeen  *timestamppb.Timestamp `protobuf:"bytes,6,opt,name=last_seen,json=lastSeen,proto3" json:"last_seen,omitempty"`
+	Connected bool                   `protobuf:"varint,7,opt,name=connected,proto3" json:"connected,omitempty"`
+	Tailnet   *Ref                   `protobuf:"bytes,8,opt,name=tailnet,proto3" json:"tailnet,omitempty"`
+	User      *Ref                   `protobuf:"bytes,9,opt,name=user,proto3" json:"user,omitempty"`
+}
+
+func (x *Machine) Reset() {
+	*x = Machine{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_machines_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Machine) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Machine) ProtoMessage() {}
+
+func (x *Machine) ProtoReflect() protoreflect.Message {
+	mi := &file_api_machines_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Machine.ProtoReflect.Descriptor instead.
+func (*Machine) Descriptor() ([]byte, []int) {
+	return file_api_machines_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *Machine) GetId() uint64 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *Machine) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Machine) GetIpv4() string {
+	if x != nil {
+		return x.Ipv4
+	}
+	return ""
+}
+
+func (x *Machine) GetIpv6() string {
+	if x != nil {
+		return x.Ipv6
+	}
+	return ""
+}
+
+func (x *Machine) GetEphemeral() bool {
+	if x != nil {
+		return x.Ephemeral
+	}
+	return false
+}
+
+func (x *Machine) GetLastSeen() *timestamppb.Timestamp {
+	if x != nil {
+		return x.LastSeen
+	}
+	return nil
+}
+
+func (x *Machine) GetConnected() bool {
+	if x != nil {
+		return x.Connected
+	}
+	return false
+}
+
+func (x *Machine) GetTailnet() *Ref {
+	if x != nil {
+		return x.Tailnet
+	}
+	return nil
+}
+
+func (x *Machine) GetUser() *Ref {
+	if x != nil {
+		return x.User
+	}
+	return nil
+}
+
+var File_api_machines_proto protoreflect.FileDescriptor
+
+var file_api_machines_proto_rawDesc = []byte{
+	0x0a, 0x12, 0x61, 0x70, 0x69, 0x2f, 0x6d, 0x61, 0x63, 0x68, 0x69, 0x6e, 0x65, 0x73, 0x2e, 0x70,
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+	0x65, 0x74, 0x12, 0x1c, 0x0a, 0x04, 0x75, 0x73, 0x65, 0x72, 0x18, 0x09, 0x20, 0x01, 0x28, 0x0b,
+	0x32, 0x08, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x52, 0x65, 0x66, 0x52, 0x04, 0x75, 0x73, 0x65, 0x72,
+	0x42, 0x2a, 0x5a, 0x28, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6a,
+	0x73, 0x69, 0x65, 0x62, 0x65, 0x6e, 0x73, 0x2f, 0x69, 0x6f, 0x6e, 0x73, 0x63, 0x61, 0x6c, 0x65,
+	0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x67, 0x65, 0x6e, 0x3b, 0x61, 0x70, 0x69, 0x62, 0x06, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_api_machines_proto_rawDescOnce sync.Once
+	file_api_machines_proto_rawDescData = file_api_machines_proto_rawDesc
+)
+
+func file_api_machines_proto_rawDescGZIP() []byte {
+	file_api_machines_proto_rawDescOnce.Do(func() {
+		file_api_machines_proto_rawDescData = protoimpl.X.CompressGZIP(file_api_machines_proto_rawDescData)
+	})
+	return file_api_machines_proto_rawDescData
+}
+
+var file_api_machines_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_api_machines_proto_goTypes = []interface{}{
+	(*ListMachinesRequest)(nil),   // 0: api.ListMachinesRequest
+	(*ListMachinesResponse)(nil),  // 1: api.ListMachinesResponse
+	(*DeleteMachineRequest)(nil),  // 2: api.DeleteMachineRequest
+	(*DeleteMachineResponse)(nil), // 3: api.DeleteMachineResponse
+	(*Machine)(nil),               // 4: api.Machine
+	(*timestamppb.Timestamp)(nil), // 5: google.protobuf.Timestamp
+	(*Ref)(nil),                   // 6: api.Ref
+}
+var file_api_machines_proto_depIdxs = []int32{
+	4, // 0: api.ListMachinesResponse.machines:type_name -> api.Machine
+	5, // 1: api.Machine.last_seen:type_name -> google.protobuf.Timestamp
+	6, // 2: api.Machine.tailnet:type_name -> api.Ref
+	6, // 3: api.Machine.user:type_name -> api.Ref
+	4, // [4:4] is the sub-list for method output_type
+	4, // [4:4] is the sub-list for method input_type
+	4, // [4:4] is the sub-list for extension type_name
+	4, // [4:4] is the sub-list for extension extendee
+	0, // [0:4] is the sub-list for field type_name
+}
+
+func init() { file_api_machines_proto_init() }
+func file_api_machines_proto_init() {
+	if File_api_machines_proto != nil {
+		return
+	}
+	file_api_ref_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_api_machines_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListMachinesRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_machines_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListMachinesResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_machines_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DeleteMachineRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_machines_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*DeleteMachineResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_machines_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Machine); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_api_machines_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   5,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_api_machines_proto_goTypes,
+		DependencyIndexes: file_api_machines_proto_depIdxs,
+		MessageInfos:      file_api_machines_proto_msgTypes,
+	}.Build()
+	File_api_machines_proto = out.File
+	file_api_machines_proto_rawDesc = nil
+	file_api_machines_proto_goTypes = nil
+	file_api_machines_proto_depIdxs = nil
+}

pkg/gen/api/ref.pb.go

@@ -0,0 +1,152 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.17.3
+// source: api/ref.proto
+
+package api
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type Ref struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id   uint64 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	Name string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *Ref) Reset() {
+	*x = Ref{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_ref_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Ref) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Ref) ProtoMessage() {}
+
+func (x *Ref) ProtoReflect() protoreflect.Message {
+	mi := &file_api_ref_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Ref.ProtoReflect.Descriptor instead.
+func (*Ref) Descriptor() ([]byte, []int) {
+	return file_api_ref_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Ref) GetId() uint64 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *Ref) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+var File_api_ref_proto protoreflect.FileDescriptor
+
+var file_api_ref_proto_rawDesc = []byte{
+	0x0a, 0x0d, 0x61, 0x70, 0x69, 0x2f, 0x72, 0x65, 0x66, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
+	0x03, 0x61, 0x70, 0x69, 0x22, 0x29, 0x0a, 0x03, 0x52, 0x65, 0x66, 0x12, 0x0e, 0x0a, 0x02, 0x69,
+	0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x02, 0x69, 0x64, 0x12, 0x12, 0x0a, 0x04, 0x6e,
+	0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x42,
+	0x2a, 0x5a, 0x28, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6a, 0x73,
+	0x69, 0x65, 0x62, 0x65, 0x6e, 0x73, 0x2f, 0x69, 0x6f, 0x6e, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2f,
+	0x70, 0x6b, 0x67, 0x2f, 0x67, 0x65, 0x6e, 0x3b, 0x61, 0x70, 0x69, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
+}
+
+var (
+	file_api_ref_proto_rawDescOnce sync.Once
+	file_api_ref_proto_rawDescData = file_api_ref_proto_rawDesc
+)
+
+func file_api_ref_proto_rawDescGZIP() []byte {
+	file_api_ref_proto_rawDescOnce.Do(func() {
+		file_api_ref_proto_rawDescData = protoimpl.X.CompressGZIP(file_api_ref_proto_rawDescData)
+	})
+	return file_api_ref_proto_rawDescData
+}
+
+var file_api_ref_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_api_ref_proto_goTypes = []interface{}{
+	(*Ref)(nil), // 0: api.Ref
+}
+var file_api_ref_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_api_ref_proto_init() }
+func file_api_ref_proto_init() {
+	if File_api_ref_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_api_ref_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Ref); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_api_ref_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_api_ref_proto_goTypes,
+		DependencyIndexes: file_api_ref_proto_depIdxs,
+		MessageInfos:      file_api_ref_proto_msgTypes,
+	}.Build()
+	File_api_ref_proto = out.File
+	file_api_ref_proto_rawDesc = nil
+	file_api_ref_proto_goTypes = nil
+	file_api_ref_proto_depIdxs = nil
+}

pkg/gen/api/tailnets.pb.go

@@ -0,0 +1,397 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.17.3
+// source: api/tailnets.proto
+
+package api
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type Tailnet struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id   uint64 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	Name string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *Tailnet) Reset() {
+	*x = Tailnet{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_tailnets_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Tailnet) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Tailnet) ProtoMessage() {}
+
+func (x *Tailnet) ProtoReflect() protoreflect.Message {
+	mi := &file_api_tailnets_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Tailnet.ProtoReflect.Descriptor instead.
+func (*Tailnet) Descriptor() ([]byte, []int) {
+	return file_api_tailnets_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Tailnet) GetId() uint64 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *Tailnet) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+type CreateTailnetRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (x *CreateTailnetRequest) Reset() {
+	*x = CreateTailnetRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_tailnets_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateTailnetRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateTailnetRequest) ProtoMessage() {}
+
+func (x *CreateTailnetRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_tailnets_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateTailnetRequest.ProtoReflect.Descriptor instead.
+func (*CreateTailnetRequest) Descriptor() ([]byte, []int) {
+	return file_api_tailnets_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *CreateTailnetRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+type CreateTailnetResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Tailnet *Tailnet `protobuf:"bytes,1,opt,name=tailnet,proto3" json:"tailnet,omitempty"`
+}
+
+func (x *CreateTailnetResponse) Reset() {
+	*x = CreateTailnetResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_tailnets_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateTailnetResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateTailnetResponse) ProtoMessage() {}
+
+func (x *CreateTailnetResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_tailnets_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateTailnetResponse.ProtoReflect.Descriptor instead.
+func (*CreateTailnetResponse) Descriptor() ([]byte, []int) {
+	return file_api_tailnets_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *CreateTailnetResponse) GetTailnet() *Tailnet {
+	if x != nil {
+		return x.Tailnet
+	}
+	return nil
+}
+
+type ListTailnetRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *ListTailnetRequest) Reset() {
+	*x = ListTailnetRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_tailnets_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListTailnetRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListTailnetRequest) ProtoMessage() {}
+
+func (x *ListTailnetRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_tailnets_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListTailnetRequest.ProtoReflect.Descriptor instead.
+func (*ListTailnetRequest) Descriptor() ([]byte, []int) {
+	return file_api_tailnets_proto_rawDescGZIP(), []int{3}
+}
+
+type ListTailnetResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Tailnet []*Tailnet `protobuf:"bytes,1,rep,name=tailnet,proto3" json:"tailnet,omitempty"`
+}
+
+func (x *ListTailnetResponse) Reset() {
+	*x = ListTailnetResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_tailnets_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListTailnetResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListTailnetResponse) ProtoMessage() {}
+
+func (x *ListTailnetResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_tailnets_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListTailnetResponse.ProtoReflect.Descriptor instead.
+func (*ListTailnetResponse) Descriptor() ([]byte, []int) {
+	return file_api_tailnets_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *ListTailnetResponse) GetTailnet() []*Tailnet {
+	if x != nil {
+		return x.Tailnet
+	}
+	return nil
+}
+
+var File_api_tailnets_proto protoreflect.FileDescriptor
+
+var file_api_tailnets_proto_rawDesc = []byte{
+	0x0a, 0x12, 0x61, 0x70, 0x69, 0x2f, 0x74, 0x61, 0x69, 0x6c, 0x6e, 0x65, 0x74, 0x73, 0x2e, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x12, 0x03, 0x61, 0x70, 0x69, 0x22, 0x2d, 0x0a, 0x07, 0x54, 0x61, 0x69,
+	0x6c, 0x6e, 0x65, 0x74, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04,
+	0x52, 0x02, 0x69, 0x64, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x22, 0x2a, 0x0a, 0x14, 0x43, 0x72, 0x65, 0x61,
+	0x74, 0x65, 0x54, 0x61, 0x69, 0x6c, 0x6e, 0x65, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04,
+	0x6e, 0x61, 0x6d, 0x65, 0x22, 0x3f, 0x0a, 0x15, 0x43, 0x72, 0x65, 0x61, 0x74, 0x65, 0x54, 0x61,
+	0x69, 0x6c, 0x6e, 0x65, 0x74, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x26, 0x0a,
+	0x07, 0x74, 0x61, 0x69, 0x6c, 0x6e, 0x65, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x0c,
+	0x2e, 0x61, 0x70, 0x69, 0x2e, 0x54, 0x61, 0x69, 0x6c, 0x6e, 0x65, 0x74, 0x52, 0x07, 0x74, 0x61,
+	0x69, 0x6c, 0x6e, 0x65, 0x74, 0x22, 0x14, 0x0a, 0x12, 0x4c, 0x69, 0x73, 0x74, 0x54, 0x61, 0x69,
+	0x6c, 0x6e, 0x65, 0x74, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x22, 0x3d, 0x0a, 0x13, 0x4c,
+	0x69, 0x73, 0x74, 0x54, 0x61, 0x69, 0x6c, 0x6e, 0x65, 0x74, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e,
+	0x73, 0x65, 0x12, 0x26, 0x0a, 0x07, 0x74, 0x61, 0x69, 0x6c, 0x6e, 0x65, 0x74, 0x18, 0x01, 0x20,
+	0x03, 0x28, 0x0b, 0x32, 0x0c, 0x2e, 0x61, 0x70, 0x69, 0x2e, 0x54, 0x61, 0x69, 0x6c, 0x6e, 0x65,
+	0x74, 0x52, 0x07, 0x74, 0x61, 0x69, 0x6c, 0x6e, 0x65, 0x74, 0x42, 0x2a, 0x5a, 0x28, 0x67, 0x69,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6a, 0x73, 0x69, 0x65, 0x62, 0x65, 0x6e,
+	0x73, 0x2f, 0x69, 0x6f, 0x6e, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x67,
+	0x65, 0x6e, 0x3b, 0x61, 0x70, 0x69, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_api_tailnets_proto_rawDescOnce sync.Once
+	file_api_tailnets_proto_rawDescData = file_api_tailnets_proto_rawDesc
+)
+
+func file_api_tailnets_proto_rawDescGZIP() []byte {
+	file_api_tailnets_proto_rawDescOnce.Do(func() {
+		file_api_tailnets_proto_rawDescData = protoimpl.X.CompressGZIP(file_api_tailnets_proto_rawDescData)
+	})
+	return file_api_tailnets_proto_rawDescData
+}
+
+var file_api_tailnets_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_api_tailnets_proto_goTypes = []interface{}{
+	(*Tailnet)(nil),               // 0: api.Tailnet
+	(*CreateTailnetRequest)(nil),  // 1: api.CreateTailnetRequest
+	(*CreateTailnetResponse)(nil), // 2: api.CreateTailnetResponse
+	(*ListTailnetRequest)(nil),    // 3: api.ListTailnetRequest
+	(*ListTailnetResponse)(nil),   // 4: api.ListTailnetResponse
+}
+var file_api_tailnets_proto_depIdxs = []int32{
+	0, // 0: api.CreateTailnetResponse.tailnet:type_name -> api.Tailnet
+	0, // 1: api.ListTailnetResponse.tailnet:type_name -> api.Tailnet
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_api_tailnets_proto_init() }
+func file_api_tailnets_proto_init() {
+	if File_api_tailnets_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_api_tailnets_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Tailnet); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_tailnets_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CreateTailnetRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_tailnets_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CreateTailnetResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_tailnets_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListTailnetRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_tailnets_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListTailnetResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_api_tailnets_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   5,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_api_tailnets_proto_goTypes,
+		DependencyIndexes: file_api_tailnets_proto_depIdxs,
+		MessageInfos:      file_api_tailnets_proto_msgTypes,
+	}.Build()
+	File_api_tailnets_proto = out.File
+	file_api_tailnets_proto_rawDesc = nil
+	file_api_tailnets_proto_goTypes = nil
+	file_api_tailnets_proto_depIdxs = nil
+}

pkg/gen/api/version.pb.go

@@ -0,0 +1,206 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.27.1
+// 	protoc        v3.17.3
+// source: api/version.proto
+
+package api
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type GetVersionRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *GetVersionRequest) Reset() {
+	*x = GetVersionRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_version_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetVersionRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetVersionRequest) ProtoMessage() {}
+
+func (x *GetVersionRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_version_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetVersionRequest.ProtoReflect.Descriptor instead.
+func (*GetVersionRequest) Descriptor() ([]byte, []int) {
+	return file_api_version_proto_rawDescGZIP(), []int{0}
+}
+
+type GetVersionResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Version  string `protobuf:"bytes,1,opt,name=version,proto3" json:"version,omitempty"`
+	Revision string `protobuf:"bytes,2,opt,name=revision,proto3" json:"revision,omitempty"`
+}
+
+func (x *GetVersionResponse) Reset() {
+	*x = GetVersionResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_version_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetVersionResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetVersionResponse) ProtoMessage() {}
+
+func (x *GetVersionResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_version_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetVersionResponse.ProtoReflect.Descriptor instead.
+func (*GetVersionResponse) Descriptor() ([]byte, []int) {
+	return file_api_version_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *GetVersionResponse) GetVersion() string {
+	if x != nil {
+		return x.Version
+	}
+	return ""
+}
+
+func (x *GetVersionResponse) GetRevision() string {
+	if x != nil {
+		return x.Revision
+	}
+	return ""
+}
+
+var File_api_version_proto protoreflect.FileDescriptor
+
+var file_api_version_proto_rawDesc = []byte{
+	0x0a, 0x11, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x12, 0x03, 0x61, 0x70, 0x69, 0x22, 0x13, 0x0a, 0x11, 0x47, 0x65, 0x74, 0x56,
+	0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x22, 0x4a, 0x0a,
+	0x12, 0x47, 0x65, 0x74, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x12, 0x18, 0x0a, 0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x01,
+	0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x12, 0x1a, 0x0a,
+	0x08, 0x72, 0x65, 0x76, 0x69, 0x73, 0x69, 0x6f, 0x6e, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52,
+	0x08, 0x72, 0x65, 0x76, 0x69, 0x73, 0x69, 0x6f, 0x6e, 0x42, 0x2a, 0x5a, 0x28, 0x67, 0x69, 0x74,
+	0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6a, 0x73, 0x69, 0x65, 0x62, 0x65, 0x6e, 0x73,
+	0x2f, 0x69, 0x6f, 0x6e, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x67, 0x65,
+	0x6e, 0x3b, 0x61, 0x70, 0x69, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_api_version_proto_rawDescOnce sync.Once
+	file_api_version_proto_rawDescData = file_api_version_proto_rawDesc
+)
+
+func file_api_version_proto_rawDescGZIP() []byte {
+	file_api_version_proto_rawDescOnce.Do(func() {
+		file_api_version_proto_rawDescData = protoimpl.X.CompressGZIP(file_api_version_proto_rawDescData)
+	})
+	return file_api_version_proto_rawDescData
+}
+
+var file_api_version_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_api_version_proto_goTypes = []interface{}{
+	(*GetVersionRequest)(nil),  // 0: api.GetVersionRequest
+	(*GetVersionResponse)(nil), // 1: api.GetVersionResponse
+}
+var file_api_version_proto_depIdxs = []int32{
+	0, // [0:0] is the sub-list for method output_type
+	0, // [0:0] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_api_version_proto_init() }
+func file_api_version_proto_init() {
+	if File_api_version_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_api_version_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetVersionRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_version_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetVersionResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_api_version_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_api_version_proto_goTypes,
+		DependencyIndexes: file_api_version_proto_depIdxs,
+		MessageInfos:      file_api_version_proto_msgTypes,
+	}.Build()
+	File_api_version_proto = out.File
+	file_api_version_proto_rawDesc = nil
+	file_api_version_proto_goTypes = nil
+	file_api_version_proto_depIdxs = nil
+}

proto/api/auth_keys.proto

@@ -0,0 +1,44 @@
+syntax = "proto3";
+package api;
+option go_package = "github.com/jsiebens/ionscale/pkg/gen;api";
+
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/duration.proto";
+
+import "api/ref.proto";
+
+message CreateAuthKeyRequest {
+  uint64 tailnet_id = 1;
+  bool ephemeral = 2;
+  optional google.protobuf.Duration expiry = 3;
+  repeated string tags = 4;
+}
+
+message CreateAuthKeyResponse {
+  AuthKey auth_key = 1;
+  string value = 2;
+}
+
+message DeleteAuthKeyRequest {
+  uint64 auth_key_id = 1;
+}
+
+message DeleteAuthKeyResponse {}
+
+message ListAuthKeysRequest {
+  uint64 tailnet_id = 1;
+}
+
+message ListAuthKeysResponse {
+  repeated AuthKey auth_keys = 1;
+}
+
+message AuthKey {
+  uint64 id = 1;
+  string key = 2;
+  bool ephemeral = 3;
+  repeated string tags = 4;
+  google.protobuf.Timestamp created_at = 5;
+  optional google.protobuf.Timestamp expires_at = 6;
+  Ref tailnet = 7;
+}

proto/api/ionscale.proto

@@ -0,0 +1,25 @@
+syntax = "proto3";
+package api;
+option go_package = "github.com/jsiebens/ionscale/pkg/gen;api";
+
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/duration.proto";
+
+import "api/version.proto";
+import "api/tailnets.proto";
+import "api/auth_keys.proto";
+import "api/machines.proto";
+
+service Ionscale {
+  rpc GetVersion (GetVersionRequest) returns (GetVersionResponse) {}
+
+  rpc CreateTailnet (CreateTailnetRequest) returns (CreateTailnetResponse) {}
+  rpc ListTailnets (ListTailnetRequest) returns (ListTailnetResponse) {}
+
+  rpc CreateAuthKey (CreateAuthKeyRequest) returns (CreateAuthKeyResponse) {}
+  rpc DeleteAuthKey (DeleteAuthKeyRequest) returns (DeleteAuthKeyResponse) {}
+  rpc ListAuthKeys (ListAuthKeysRequest) returns (ListAuthKeysResponse) {}
+
+  rpc ListMachines (ListMachinesRequest) returns (ListMachinesResponse) {}
+  rpc DeleteMachine(DeleteMachineRequest) returns (DeleteMachineResponse) {}
+}

proto/api/machines.proto

@@ -0,0 +1,34 @@
+syntax = "proto3";
+package api;
+option go_package = "github.com/jsiebens/ionscale/pkg/gen;api";
+
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/duration.proto";
+
+import "api/ref.proto";
+
+message ListMachinesRequest {
+  uint64 tailnet_id = 1;
+}
+
+message ListMachinesResponse {
+  repeated Machine machines = 1;
+}
+
+message DeleteMachineRequest {
+  uint64 machine_id = 1;
+}
+
+message DeleteMachineResponse {}
+
+message Machine {
+  uint64 id = 1;
+  string name = 2;
+  string ipv4 = 3;
+  string ipv6 = 4;
+  bool ephemeral = 5;
+  google.protobuf.Timestamp last_seen = 6;
+  bool connected = 7;
+  Ref tailnet = 8;
+  Ref user = 9;
+}

proto/api/ref.proto

@@ -0,0 +1,8 @@
+syntax = "proto3";
+package api;
+option go_package = "github.com/jsiebens/ionscale/pkg/gen;api";
+
+message Ref {
+  uint64 id = 1;
+  string name = 2;
+}

proto/api/tailnets.proto

@@ -0,0 +1,23 @@
+syntax = "proto3";
+package api;
+option go_package = "github.com/jsiebens/ionscale/pkg/gen;api";
+
+message Tailnet {
+  uint64 id = 1;
+  string name = 2;
+}
+
+message CreateTailnetRequest {
+  string name = 1;
+}
+
+message CreateTailnetResponse {
+  Tailnet tailnet = 1;
+}
+
+message ListTailnetRequest {
+}
+
+message ListTailnetResponse {
+  repeated Tailnet tailnet = 1;
+}

proto/api/version.proto

@@ -0,0 +1,11 @@
+syntax = "proto3";
+package api;
+option go_package = "github.com/jsiebens/ionscale/pkg/gen;api";
+
+message GetVersionRequest {
+}
+
+message GetVersionResponse {
+  string version = 1;
+  string revision = 2;
+}