fix: log in with different use should create new machine entry

internal/domain/machine.go

@@ -389,9 +389,9 @@ func (r *repository) GetNextMachineNameIndex(ctx context.Context, tailnetID uint
 	return m.NameIdx + 1, nil
 }
 
-func (r *repository) GetMachineByKey(ctx context.Context, tailnetID uint64, machineKey string) (*Machine, error) {
+func (r *repository) GetMachineByKeyAndUser(ctx context.Context, machineKey string, userID uint64) (*Machine, error) {
 	var m Machine
-	tx := r.withContext(ctx).Preload("Tailnet").Preload("User").Take(&m, "tailnet_id = ? AND machine_key = ?", tailnetID, machineKey)
+	tx := r.withContext(ctx).Preload("Tailnet").Preload("User").Take(&m, "machine_key = ? AND user_id = ?", machineKey, userID)
 
 	if errors.Is(tx.Error, gorm.ErrRecordNotFound) {
 		return nil, nil

internal/domain/repository.go

@@ -58,7 +58,7 @@ type Repository interface {
 	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)
+	GetMachineByKeyAndUser(ctx context.Context, key string, userID uint64) (*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)

internal/handlers/authentication.go

@@ -446,7 +446,7 @@ func (h *AuthenticationHandlers) endMachineRegistrationFlow(c echo.Context, form
 
 	var m *domain.Machine
 
-	m, err := h.repository.GetMachineByKey(ctx, tailnet.ID, machineKey)
+	m, err := h.repository.GetMachineByKeyAndUser(ctx, machineKey, user.ID)
 	if err != nil {
 		return logError(err)
 	}

internal/handlers/registration.go

@@ -173,7 +173,7 @@ func (h *RegistrationHandlers) authenticateMachineWithAuthKey(c echo.Context, ma
 
 	var m *domain.Machine
 
-	m, err = h.repository.GetMachineByKey(ctx, tailnet.ID, machineKey)
+	m, err = h.repository.GetMachineByKeyAndUser(ctx, machineKey, user.ID)
 	if err != nil {
 		return logError(err)
 	}

tests/switch_test.go

@@ -0,0 +1,43 @@
+package tests
+
+import (
+	api "github.com/jsiebens/ionscale/pkg/gen/ionscale/v1"
+	"github.com/jsiebens/ionscale/tests/sc"
+	"github.com/jsiebens/ionscale/tests/tsn"
+	"github.com/stretchr/testify/require"
+	"net/http"
+	"testing"
+)
+
+func TestSwitchAccounts(t *testing.T) {
+	sc.Run(t, func(s *sc.Scenario) {
+		s.PushOIDCUser("123", "john@localtest.me", "john")
+		s.PushOIDCUser("124", "jane@localtest.me", "jane")
+
+		tailnet := s.CreateTailnet()
+		s.SetIAMPolicy(tailnet.Id, &api.IAMPolicy{Filters: []string{"domain == localtest.me"}})
+
+		node := s.NewTailscaleNode(sc.WithName("switch"))
+
+		code, err := node.LoginWithOidc()
+		require.NoError(t, err)
+		require.Equal(t, http.StatusOK, code)
+
+		require.NoError(t, node.WaitFor(tsn.Connected()))
+		require.NoError(t, node.Check(tsn.HasUser("john@localtest.me")))
+		require.NoError(t, node.Check(tsn.HasName("switch")))
+
+		code, err = node.LoginWithOidc()
+		require.NoError(t, err)
+		require.Equal(t, http.StatusOK, code)
+
+		require.NoError(t, node.WaitFor(tsn.Connected()))
+		require.NoError(t, node.Check(tsn.HasUser("jane@localtest.me")))
+		require.NoError(t, node.Check(tsn.HasName("switch-1")))
+
+		machines := s.ListMachines(tailnet.Id)
+		require.Equal(t, 2, len(machines))
+		require.Equal(t, "switch", machines[0].Name)
+		require.Equal(t, "switch-1", machines[1].Name)
+	})
+}

tests/tsn/conditions.go

@@ -2,6 +2,7 @@ package tsn
 
 import (
 	"slices"
+	"strings"
 	"tailscale.com/ipn/ipnstate"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/views"
@@ -27,6 +28,12 @@ func HasTag(tag string) Condition {
 	}
 }
 
+func HasName(name string) Condition {
+	return func(status *ipnstate.Status) bool {
+		return status.Self != nil && strings.HasPrefix(status.Self.DNSName, name)
+	}
+}
+
 func NeedsMachineAuth() Condition {
 	return func(status *ipnstate.Status) bool {
 		return status.BackendState == "NeedsMachineAuth"

tests/tsn/node.go

@@ -47,7 +47,7 @@ func (t *TailscaleNode) LoginWithOidc(flags ...UpFlag) (int, error) {
 		return strings.Contains(stderr, "To authenticate, visit:")
 	}
 
-	cmd := []string{"up", "--login-server", t.loginServer}
+	cmd := []string{"login", "--login-server", t.loginServer}
 	for _, f := range flags {
 		cmd = append(cmd, f...)
 	}