Secrets: Move license check to secret store plugin (#53185)

* Move license check to secret store plugin

* Use shouldUseRemoteSecretsPlugin for migration

* Encapsulate plugin startup logic in sync.Once

* Remove global logger from startup functions

* Fix issues with wire and secrets plugin check

* Remove todo for plugin fatal error

* Rename fatalErr variable to be less confusing

* Fix merge conflicts

* Fix issue with grafana-cli wire and opentsdb

* Remove duplicated import on remote plugin

* Rename plugin check in favor of error return value

* Remove unnecessary import on grafana-cli wireexts_oss

* Remove unnecessary import on grafana wireexts_oss

* Reset sync.Once during test setup

* Remove unrelated opentsdb change on grafana-cli wire

* Readd opentsdb change on grafana-cli wire

pkg/api/http_server.go

@@ -74,7 +74,6 @@ import (
 	"github.com/grafana/grafana/pkg/services/search"
 	"github.com/grafana/grafana/pkg/services/searchusers"
 	"github.com/grafana/grafana/pkg/services/secrets"
-	secretsKV "github.com/grafana/grafana/pkg/services/secrets/kvstore"
 	"github.com/grafana/grafana/pkg/services/serviceaccounts"
 	"github.com/grafana/grafana/pkg/services/shorturls"
 	"github.com/grafana/grafana/pkg/services/sqlstore"
@@ -140,7 +139,7 @@ type HTTPServer struct {
 	Listener                     net.Listener
 	EncryptionService            encryption.Internal
 	SecretsService               secrets.Service
-	remoteSecretsCheck           secretsKV.UseRemoteSecretsPluginCheck
+	secretsPluginManager         plugins.SecretsPluginManager
 	DataSourcesService           datasources.DataSourceService
 	cleanUpService               *cleanup.CleanUpService
 	tracer                       tracing.Tracer
@@ -211,7 +210,8 @@ func ProvideHTTPServer(opts ServerOptions, cfg *setting.Cfg, routeRegister routi
 	teamsPermissionsService accesscontrol.TeamPermissionsService, folderPermissionsService accesscontrol.FolderPermissionsService,
 	dashboardPermissionsService accesscontrol.DashboardPermissionsService, dashboardVersionService dashver.Service,
 	starService star.Service, csrfService csrf.Service, coremodels *registry.Base,
-	playlistService playlist.Service, apiKeyService apikey.Service, kvStore kvstore.KVStore, secretsMigrator secrets.Migrator, remoteSecretsCheck secretsKV.UseRemoteSecretsPluginCheck,
+	playlistService playlist.Service, apiKeyService apikey.Service, kvStore kvstore.KVStore,
+	secretsMigrator secrets.Migrator, secretsPluginManager plugins.SecretsPluginManager,
 	publicDashboardsApi *publicdashboardsApi.Api, userService user.Service) (*HTTPServer, error) {
 	web.Env = cfg.Env
 	m := web.New()
@@ -267,7 +267,7 @@ func ProvideHTTPServer(opts ServerOptions, cfg *setting.Cfg, routeRegister routi
 		SocialService:                socialService,
 		EncryptionService:            encryptionService,
 		SecretsService:               secretsService,
-		remoteSecretsCheck:           remoteSecretsCheck,
+		secretsPluginManager:         secretsPluginManager,
 		DataSourcesService:           dataSourcesService,
 		searchUsersService:           searchUsersService,
 		ldapGroups:                   ldapGroups,