ManagedServiceAccounts: Add a config option to disable the feature on-prem (#93571)

* ManagedServiceAccounts: Add a config option to disabled by default

* Update log in pkg/services/extsvcauth/registry/service.go

Co-authored-by: Ieva <ieva.vasiljeva@grafana.com>

conf/defaults.ini

@@ -615,6 +615,9 @@ id_response_header_prefix = X-Grafana
 # The header value will encode the namespace ("user:<id>", "api-key:<id>", "service-account:<id>")
 id_response_header_namespaces = user api-key service-account
 
+# Enables the use of managed service accounts for plugin authentication
+managed_service_accounts_enabled = false
+
 #################################### SSO Settings ###########################
 [sso_settings]
 # interval for reloading the SSO Settings from the database

conf/sample.ini

@@ -619,6 +619,9 @@
 # The header value will encode the namespace ("user:<id>", "api-key:<id>", "service-account:<id>")
 ;id_response_header_namespaces = user api-key service-account
 
+# Enables the use of managed service accounts for plugin authentication
+; managed_service_accounts_enabled = false
+
 #################################### Anonymous Auth ######################
 [auth.anonymous]
 # enable anonymous access

pkg/api/plugins.go

@@ -144,7 +144,7 @@ func (hs *HTTPServer) GetPluginList(c *contextmodel.ReqContext) response.Respons
 			AngularDetected: pluginDef.Angular.Detected,
 		}
 
-		if hs.Features.IsEnabled(c.Req.Context(), featuremgmt.FlagExternalServiceAccounts) {
+		if hs.Cfg.ManagedServiceAccountsEnabled && hs.Features.IsEnabled(c.Req.Context(), featuremgmt.FlagExternalServiceAccounts) {
 			listItem.IAM = pluginDef.IAM
 		}
 
@@ -484,7 +484,7 @@ func (hs *HTTPServer) InstallPlugin(c *contextmodel.ReqContext) response.Respons
 		return response.ErrOrFallback(http.StatusInternalServerError, "Failed to install plugin", err)
 	}
 
-	if hs.Features.IsEnabled(c.Req.Context(), featuremgmt.FlagExternalServiceAccounts) {
+	if hs.Cfg.ManagedServiceAccountsEnabled && hs.Features.IsEnabled(c.Req.Context(), featuremgmt.FlagExternalServiceAccounts) {
 		// This is a non-blocking function that verifies that the installer has
 		// the permissions that the plugin requests to have on Grafana.
 		// If we want to make this blocking, the check will have to happen before or during the installation.

pkg/services/accesscontrol/acimpl/service.go

@@ -735,7 +735,7 @@ func (s *Service) SaveExternalServiceRole(ctx context.Context, cmd accesscontrol
 	ctx, span := tracer.Start(ctx, "accesscontrol.acimpl.SaveExternalServiceRole")
 	defer span.End()
 
-	if !s.features.IsEnabled(ctx, featuremgmt.FlagExternalServiceAccounts) {
+	if !s.cfg.ManagedServiceAccountsEnabled || !s.features.IsEnabled(ctx, featuremgmt.FlagExternalServiceAccounts) {
 		s.log.Debug("Registering an external service role is behind a feature flag, enable it to use this feature.")
 		return nil
 	}
@@ -751,7 +751,7 @@ func (s *Service) DeleteExternalServiceRole(ctx context.Context, externalService
 	ctx, span := tracer.Start(ctx, "accesscontrol.acimpl.DeleteExternalServiceRole")
 	defer span.End()
 
-	if !s.features.IsEnabled(ctx, featuremgmt.FlagExternalServiceAccounts) {
+	if !s.cfg.ManagedServiceAccountsEnabled || !s.features.IsEnabled(ctx, featuremgmt.FlagExternalServiceAccounts) {
 		s.log.Debug("Deleting an external service role is behind a feature flag, enable it to use this feature.")
 		return nil
 	}

pkg/services/accesscontrol/acimpl/service_test.go

@@ -900,6 +900,7 @@ func TestService_SaveExternalServiceRole(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			ctx := context.Background()
 			ac := setupTestEnv(t)
+			ac.cfg.ManagedServiceAccountsEnabled = true
 			ac.features = featuremgmt.WithFeatures(featuremgmt.FlagExternalServiceAccounts)
 			for _, r := range tt.runs {
 				err := ac.SaveExternalServiceRole(ctx, r.cmd)
@@ -946,6 +947,7 @@ func TestService_DeleteExternalServiceRole(t *testing.T) {
 		t.Run(tt.name, func(t *testing.T) {
 			ctx := context.Background()
 			ac := setupTestEnv(t)
+			ac.cfg.ManagedServiceAccountsEnabled = true
 			ac.features = featuremgmt.WithFeatures(featuremgmt.FlagExternalServiceAccounts)
 
 			if tt.initCmd != nil {

pkg/services/extsvcauth/registry/service.go

@@ -13,6 +13,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/extsvcauth"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/serviceaccounts/extsvcaccounts"
+	"github.com/grafana/grafana/pkg/setting"
 )
 
 var _ extsvcauth.ExternalServiceRegistry = &Registry{}
@@ -28,7 +29,7 @@ type serverLocker interface {
 }
 
 type Registry struct {
-	features featuremgmt.FeatureToggles
+	enabled bool
 	logger  log.Logger
 	saReg   extsvcauth.ExternalServiceRegistry
 
@@ -38,10 +39,11 @@ type Registry struct {
 	serverLock      serverLocker
 }
 
-func ProvideExtSvcRegistry(saSvc *extsvcaccounts.ExtSvcAccountsService, serverLock *serverlock.ServerLockService, features featuremgmt.FeatureToggles) *Registry {
+func ProvideExtSvcRegistry(cfg *setting.Cfg, saSvc *extsvcaccounts.ExtSvcAccountsService, serverLock *serverlock.ServerLockService, features featuremgmt.FeatureToggles) *Registry {
+	enabled := features.IsEnabledGlobally(featuremgmt.FlagExternalServiceAccounts) && cfg.ManagedServiceAccountsEnabled
 	return &Registry{
 		extSvcProviders: map[string]extsvcauth.AuthProvider{},
-		features:        features,
+		enabled:         enabled,
 		lock:            sync.Mutex{},
 		logger:          log.New("extsvcauth.registry"),
 		saReg:           saSvc,
@@ -110,8 +112,12 @@ func (r *Registry) RemoveExternalService(ctx context.Context, name string) error
 
 	switch provider {
 	case extsvcauth.ServiceAccounts:
-		if !r.features.IsEnabled(ctx, featuremgmt.FlagExternalServiceAccounts) {
+		if !r.enabled {
-			r.logger.Debug("Skipping External Service removal, flag disabled", "service", name, "flag", featuremgmt.FlagExternalServiceAccounts)
+			r.logger.Warn("Skipping External Service authentication, flag or configuration option is disabled",
+				"service", name,
+				"flag", featuremgmt.FlagExternalServiceAccounts,
+				"option", "ManagedServiceAccountsEnabled",
+			)
 			return nil
 		}
 		r.logger.Debug("Routing External Service removal to the External Service Account service", "service", name)
@@ -140,8 +146,12 @@ func (r *Registry) SaveExternalService(ctx context.Context, cmd *extsvcauth.Exte
 
 		switch cmd.AuthProvider {
 		case extsvcauth.ServiceAccounts:
-			if !r.features.IsEnabled(ctx, featuremgmt.FlagExternalServiceAccounts) {
+			if !r.enabled {
-				ctxLogger.Warn("Skipping External Service authentication, flag disabled", "service", cmd.Name, "flag", featuremgmt.FlagExternalServiceAccounts)
+				ctxLogger.Warn("Skipping External Service authentication, flag or configuration option disabled",
+					"service", cmd.Name,
+					"flag", featuremgmt.FlagExternalServiceAccounts,
+					"option", "ManagedServiceAccountsEnabled",
+				)
 				return
 			}
 			ctxLogger.Debug("Routing the External Service registration to the External Service Account service", "service", cmd.Name)
@@ -160,7 +170,7 @@ func (r *Registry) SaveExternalService(ctx context.Context, cmd *extsvcauth.Exte
 // retrieveExtSvcProviders fetches external services from store and map their associated provider
 func (r *Registry) retrieveExtSvcProviders(ctx context.Context) (map[string]extsvcauth.AuthProvider, error) {
 	extsvcs := map[string]extsvcauth.AuthProvider{}
-	if r.features.IsEnabled(ctx, featuremgmt.FlagExternalServiceAccounts) {
+	if r.enabled {
 		names, err := r.saReg.GetExternalServiceNames(ctx)
 		if err != nil {
 			return nil, err

pkg/services/extsvcauth/registry/service_test.go

@@ -8,7 +8,6 @@ import (
 	"github.com/grafana/grafana/pkg/infra/serverlock"
 	"github.com/grafana/grafana/pkg/services/extsvcauth"
 	"github.com/grafana/grafana/pkg/services/extsvcauth/tests"
-	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/stretchr/testify/mock"
 	"github.com/stretchr/testify/require"
 )
@@ -30,7 +29,7 @@ func setupTestEnv(t *testing.T) *TestEnv {
 	env := TestEnv{}
 	env.saReg = tests.NewExternalServiceRegistryMock(t)
 	env.r = &Registry{
-		features:        featuremgmt.WithFeatures(featuremgmt.FlagExternalServiceAccounts),
+		enabled:         true,
 		logger:          log.New("extsvcauth.registry.test"),
 		saReg:           env.saReg,
 		extSvcProviders: map[string]extsvcauth.AuthProvider{},

pkg/services/pluginsintegration/serviceregistration/serviceregistration.go

@@ -11,6 +11,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/extsvcauth"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/pluginsintegration/pluginsettings"
+	"github.com/grafana/grafana/pkg/setting"
 )
 
 type Service struct {
@@ -20,9 +21,10 @@ type Service struct {
 	settingsSvc    pluginsettings.Service
 }
 
-func ProvideService(features featuremgmt.FeatureToggles, reg extsvcauth.ExternalServiceRegistry, settingsSvc pluginsettings.Service) *Service {
+func ProvideService(cfg *setting.Cfg, features featuremgmt.FeatureToggles, reg extsvcauth.ExternalServiceRegistry, settingsSvc pluginsettings.Service) *Service {
+	enabled := features.IsEnabledGlobally(featuremgmt.FlagExternalServiceAccounts) && cfg.ManagedServiceAccountsEnabled
 	s := &Service{
-		featureEnabled: features.IsEnabledGlobally(featuremgmt.FlagExternalServiceAccounts),
+		featureEnabled: enabled,
 		log:            log.New("plugins.external.registration"),
 		reg:            reg,
 		settingsSvc:    settingsSvc,

pkg/services/serviceaccounts/api/api.go

@@ -40,6 +40,7 @@ func NewServiceAccountsAPI(
 	permissionService accesscontrol.ServiceAccountPermissionsService,
 	features featuremgmt.FeatureToggles,
 ) *ServiceAccountsAPI {
+	enabled := features.IsEnabledGlobally(featuremgmt.FlagExternalServiceAccounts) && cfg.ManagedServiceAccountsEnabled
 	return &ServiceAccountsAPI{
 		cfg:                  cfg,
 		service:              service,
@@ -48,7 +49,7 @@ func NewServiceAccountsAPI(
 		RouterRegister:       routerRegister,
 		log:                  log.New("serviceaccounts.api"),
 		permissionService:    permissionService,
-		isExternalSAEnabled:  features.IsEnabledGlobally(featuremgmt.FlagExternalServiceAccounts),
+		isExternalSAEnabled:  enabled,
 	}
 }
 

pkg/services/serviceaccounts/extsvcaccounts/service.go

@@ -28,12 +28,12 @@ import (
 type ExtSvcAccountsService struct {
 	acSvc        ac.Service
 	defaultOrgID int64
-	features     featuremgmt.FeatureToggles
 	logger       log.Logger
 	metrics      *metrics
 	saSvc        sa.Service
 	skvStore     kvstore.SecretsKVStore
 	tracer       tracing.Tracer
+	enabled      bool
 }
 
 func ProvideExtSvcAccountsService(acSvc ac.Service, cfg *setting.Cfg, bus bus.Bus, db db.DB, features featuremgmt.FeatureToggles, reg prometheus.Registerer, saSvc *manager.ServiceAccountsService, secretsSvc secrets.Service, tracer tracing.Tracer) *ExtSvcAccountsService {
@@ -43,12 +43,12 @@ func ProvideExtSvcAccountsService(acSvc ac.Service, cfg *setting.Cfg, bus bus.Bu
 		defaultOrgID: cfg.DefaultOrgID(),
 		logger:       logger,
 		saSvc:        saSvc,
-		features:     features,
 		skvStore:     kvstore.NewSQLSecretsKVStore(db, secretsSvc, logger), // Using SQL store to avoid a cyclic dependency
 		tracer:       tracer,
+		enabled:      cfg.ManagedServiceAccountsEnabled && features.IsEnabledGlobally(featuremgmt.FlagExternalServiceAccounts),
 	}
 
-	if features.IsEnabledGlobally(featuremgmt.FlagExternalServiceAccounts) {
+	if esa.enabled {
 		// Register the metrics
 		esa.metrics = newMetrics(reg, esa.defaultOrgID, saSvc, logger)
 
@@ -138,7 +138,7 @@ func (esa *ExtSvcAccountsService) GetExternalServiceNames(ctx context.Context) (
 // SaveExternalService creates, updates or delete a service account (and its token) with the requested permissions.
 func (esa *ExtSvcAccountsService) SaveExternalService(ctx context.Context, cmd *extsvcauth.ExternalServiceRegistration) (*extsvcauth.ExternalService, error) {
 	// This is double proofing, we should never reach here anyway the flags have already been checked.
-	if !esa.features.IsEnabled(ctx, featuremgmt.FlagExternalServiceAccounts) {
+	if !esa.enabled {
 		esa.logger.FromContext(ctx).Warn("This feature is behind a feature flag, please set it if you want to save external services")
 		return nil, nil
 	}
@@ -184,7 +184,7 @@ func (esa *ExtSvcAccountsService) SaveExternalService(ctx context.Context, cmd *
 
 func (esa *ExtSvcAccountsService) RemoveExternalService(ctx context.Context, name string) error {
 	// This is double proofing, we should never reach here anyway the flags have already been checked.
-	if !esa.features.IsEnabled(ctx, featuremgmt.FlagExternalServiceAccounts) {
+	if !esa.enabled {
 		esa.logger.Warn("This feature is behind a feature flag, please set it if you want to save external services")
 		return nil
 	}
@@ -225,7 +225,7 @@ func (esa *ExtSvcAccountsService) RemoveExtSvcAccount(ctx context.Context, orgID
 // ManageExtSvcAccount creates, updates or deletes the service account associated with an external service
 func (esa *ExtSvcAccountsService) ManageExtSvcAccount(ctx context.Context, cmd *sa.ManageExtSvcAccountCmd) (int64, error) {
 	// This is double proofing, we should never reach here anyway the flags have already been checked.
-	if !esa.features.IsEnabled(ctx, featuremgmt.FlagExternalServiceAccounts) {
+	if !esa.enabled {
 		esa.logger.FromContext(ctx).Warn("This feature is behind a feature flag, please set it if you want to save external services")
 		return 0, nil
 	}

pkg/services/serviceaccounts/extsvcaccounts/service_test.go

@@ -41,6 +41,7 @@ func setupTestEnv(t *testing.T) *TestEnv {
 	t.Helper()
 
 	cfg := setting.NewCfg()
+	cfg.ManagedServiceAccountsEnabled = true
 	fmgt := featuremgmt.WithFeatures(featuremgmt.FlagExternalServiceAccounts)
 
 	env := &TestEnv{
@@ -50,13 +51,13 @@ func setupTestEnv(t *testing.T) *TestEnv {
 	}
 	logger := log.New("extsvcaccounts.test")
 	env.S = &ExtSvcAccountsService{
+		enabled: true,
 		acSvc: acimpl.ProvideOSSService(
 			cfg, env.AcStore, &resourcepermissions.FakeActionSetSvc{},
 			localcache.New(0, 0), fmgt, tracing.InitializeTracerForTest(), nil, nil,
 			permreg.ProvidePermissionRegistry(),
 		),
 		defaultOrgID: autoAssignOrgID,
-		features:     fmgt,
 		logger:       logger,
 		metrics:      newMetrics(nil, autoAssignOrgID, env.SaSvc, logger),
 		saSvc:        env.SaSvc,

pkg/services/serviceaccounts/proxy/service.go

@@ -38,7 +38,7 @@ func ProvideServiceAccountsProxy(
 	s := &ServiceAccountsProxy{
 		log:            log.New("serviceaccounts.proxy"),
 		proxiedService: proxiedService,
-		isProxyEnabled: features.IsEnabledGlobally(featuremgmt.FlagExternalServiceAccounts),
+		isProxyEnabled: cfg.ManagedServiceAccountsEnabled && features.IsEnabledGlobally(featuremgmt.FlagExternalServiceAccounts),
 	}
 
 	serviceaccountsAPI := api.NewServiceAccountsAPI(cfg, s, ac, accesscontrolService, routeRegister, permissionService, features)

pkg/setting/setting.go

@@ -245,6 +245,7 @@ type Cfg struct {
 	IDResponseHeaderEnabled       bool
 	IDResponseHeaderPrefix        string
 	IDResponseHeaderNamespaces    map[string]struct{}
+	ManagedServiceAccountsEnabled bool
 
 	// AWS Plugin Auth
 	AWSAllowedAuthProviders   []string
@@ -1668,6 +1669,10 @@ func readAuthSettings(iniFile *ini.File, cfg *Cfg) (err error) {
 	for _, provider := range util.SplitString(providers) {
 		cfg.SSOSettingsConfigurableProviders[provider] = true
 	}
+
+	// Managed Service Accounts
+	cfg.ManagedServiceAccountsEnabled = auth.Key("managed_service_accounts_enabled").MustBool(false)
+
 	return nil
 }