ResourceServer: make the resource store the default unified storage backend (#90899)

* make the resource store the default unified storage backend

* add integration tests

* fix test non passing

* Update pkg/storage/unified/sql/test/integration_test.go

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>

* lint

* fix tests

* fix no rows

---------

Co-authored-by: Ryan McKinley <ryantxu@gmail.com>

pkg/server/module_server.go

@@ -15,8 +15,8 @@ import (
 	"github.com/grafana/grafana/pkg/modules"
 	"github.com/grafana/grafana/pkg/services/authz"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
-	storageServer "github.com/grafana/grafana/pkg/services/store/entity/server"
 	"github.com/grafana/grafana/pkg/setting"
+	"github.com/grafana/grafana/pkg/storage/unified/sql"
 )
 
 // NewModule returns an instance of a ModuleServer, responsible for managing
@@ -131,7 +131,7 @@ func (s *ModuleServer) Run() error {
 	//}
 
 	m.RegisterModule(modules.StorageServer, func() (services.Service, error) {
-		return storageServer.ProvideService(s.cfg, s.features, s.log)
+		return sql.ProvideService(s.cfg, s.features, nil, s.log)
 	})
 
 	m.RegisterModule(modules.ZanzanaServer, func() (services.Service, error) {

pkg/server/module_server_test.go

@@ -63,7 +63,7 @@ func TestIntegrationWillRunInstrumentationServerWhenTargetHasNoHttpServer(t *tes
 }
 
 func addStorageServerToConfig(t *testing.T, cfg *setting.Cfg, dbType string) {
-	s, err := cfg.Raw.NewSection("entity_api")
+	s, err := cfg.Raw.NewSection("resource_api")
 	require.NoError(t, err)
 	_, err = s.NewKey("db_type", dbType)
 	require.NoError(t, err)

pkg/services/apiserver/options/storage.go

@@ -14,13 +14,11 @@ import (
 type StorageType string
 
 const (
-	StorageTypeFile            StorageType = "file"
-	StorageTypeEtcd            StorageType = "etcd"
-	StorageTypeLegacy          StorageType = "legacy"
-	StorageTypeUnified         StorageType = "unified"
-	StorageTypeUnifiedGrpc     StorageType = "unified-grpc"
-	StorageTypeUnifiedNext     StorageType = "unified-next"
-	StorageTypeUnifiedNextGrpc StorageType = "unified-next-grpc"
+	StorageTypeFile        StorageType = "file"
+	StorageTypeEtcd        StorageType = "etcd"
+	StorageTypeLegacy      StorageType = "legacy"
+	StorageTypeUnified     StorageType = "unified"
+	StorageTypeUnifiedGrpc StorageType = "unified-grpc"
 )
 
 type StorageOptions struct {
@@ -46,10 +44,10 @@ func (o *StorageOptions) AddFlags(fs *pflag.FlagSet) {
 func (o *StorageOptions) Validate() []error {
 	errs := []error{}
 	switch o.StorageType {
-	case StorageTypeFile, StorageTypeEtcd, StorageTypeLegacy, StorageTypeUnified, StorageTypeUnifiedGrpc, StorageTypeUnifiedNext, StorageTypeUnifiedNextGrpc:
+	case StorageTypeFile, StorageTypeEtcd, StorageTypeLegacy, StorageTypeUnified, StorageTypeUnifiedGrpc:
 		// no-op
 	default:
-		errs = append(errs, fmt.Errorf("--grafana-apiserver-storage-type must be one of %s, %s, %s, %s, %s, %s, %s", StorageTypeFile, StorageTypeEtcd, StorageTypeLegacy, StorageTypeUnified, StorageTypeUnifiedGrpc, StorageTypeUnifiedNext, StorageTypeUnifiedNextGrpc))
+		errs = append(errs, fmt.Errorf("--grafana-apiserver-storage-type must be one of %s, %s, %s, %s, %s", StorageTypeFile, StorageTypeEtcd, StorageTypeLegacy, StorageTypeUnified, StorageTypeUnifiedGrpc))
 	}
 
 	if _, _, err := net.SplitHostPort(o.Address); err != nil {

pkg/services/apiserver/service.go

@@ -36,17 +36,12 @@ import (
 	"github.com/grafana/grafana/pkg/services/apiserver/builder"
 	"github.com/grafana/grafana/pkg/services/apiserver/endpoints/request"
 	grafanaapiserveroptions "github.com/grafana/grafana/pkg/services/apiserver/options"
-	entitystorage "github.com/grafana/grafana/pkg/services/apiserver/storage/entity"
 	"github.com/grafana/grafana/pkg/services/apiserver/utils"
 	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/org"
-	"github.com/grafana/grafana/pkg/services/store/entity"
-	"github.com/grafana/grafana/pkg/services/store/entity/db/dbimpl"
-	"github.com/grafana/grafana/pkg/services/store/entity/sqlstash"
 	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/storage/unified/apistore"
-	"github.com/grafana/grafana/pkg/storage/unified/entitybridge"
 	"github.com/grafana/grafana/pkg/storage/unified/resource"
 	"github.com/grafana/grafana/pkg/storage/unified/sql"
 )
@@ -269,7 +264,7 @@ func (s *service) start(ctx context.Context) error {
 			return err
 		}
 
-	case grafanaapiserveroptions.StorageTypeUnifiedNext:
+	case grafanaapiserveroptions.StorageTypeUnified:
 		if !s.features.IsEnabledGlobally(featuremgmt.FlagUnifiedStorage) {
 			return fmt.Errorf("unified storage requires the unifiedStorage feature flag")
 		}
@@ -282,7 +277,7 @@ func (s *service) start(ctx context.Context) error {
 		serverConfig.Config.RESTOptionsGetter = apistore.NewRESTOptionsGetterForClient(client,
 			o.RecommendedOptions.Etcd.StorageConfig)
 
-	case grafanaapiserveroptions.StorageTypeUnifiedNextGrpc:
+	case grafanaapiserveroptions.StorageTypeUnifiedGrpc:
 		if !s.features.IsEnabledGlobally(featuremgmt.FlagUnifiedStorage) {
 			return fmt.Errorf("unified storage requires the unifiedStorage feature flag")
 		}
@@ -296,47 +291,6 @@ func (s *service) start(ctx context.Context) error {
 		client := resource.NewResourceStoreClientGRPC(conn)
 		serverConfig.Config.RESTOptionsGetter = apistore.NewRESTOptionsGetterForClient(client, o.RecommendedOptions.Etcd.StorageConfig)
 
-	case grafanaapiserveroptions.StorageTypeUnified, grafanaapiserveroptions.StorageTypeUnifiedGrpc:
-		var client entity.EntityStoreClient
-		var entityServer sqlstash.SqlEntityServer
-
-		if o.StorageOptions.StorageType == grafanaapiserveroptions.StorageTypeUnifiedGrpc {
-			conn, err := grpc.NewClient(o.StorageOptions.Address, grpc.WithTransportCredentials(insecure.NewCredentials()))
-			if err != nil {
-				return err
-			}
-			client = entity.NewEntityStoreClientGRPC(conn)
-		} else {
-			if !s.features.IsEnabledGlobally(featuremgmt.FlagUnifiedStorage) {
-				return fmt.Errorf("unified storage requires the unifiedStorage feature flag")
-			}
-
-			eDB, err := dbimpl.ProvideEntityDB(s.db, s.cfg, s.features, s.tracing)
-			if err != nil {
-				return err
-			}
-
-			entityServer, err = sqlstash.ProvideSQLEntityServer(eDB, s.tracing)
-			if err != nil {
-				return err
-			}
-			client = entity.NewEntityStoreClientLocal(entityServer)
-		}
-
-		if false {
-			// Use the entity bridge
-			server, err := entitybridge.EntityAsResourceServer(client, entityServer, s.tracing)
-			if err != nil {
-				return err
-			}
-			client := resource.NewLocalResourceStoreClient(server)
-			serverConfig.Config.RESTOptionsGetter = apistore.NewRESTOptionsGetterForClient(client,
-				o.RecommendedOptions.Etcd.StorageConfig)
-		} else {
-			serverConfig.Config.RESTOptionsGetter = entitystorage.NewRESTOptionsGetter(s.cfg,
-				client, o.RecommendedOptions.Etcd.StorageConfig.Codec)
-		}
-
 	case grafanaapiserveroptions.StorageTypeLegacy:
 		fallthrough
 	case grafanaapiserveroptions.StorageTypeFile:

pkg/services/grpcserver/service.go

@@ -34,18 +34,20 @@ type Provider interface {
 }
 
 type gPRCServerService struct {
-	cfg     *setting.Cfg
-	logger  log.Logger
-	server  *grpc.Server
-	address string
-	enabled bool
+	cfg         *setting.Cfg
+	logger      log.Logger
+	server      *grpc.Server
+	address     string
+	enabled     bool
+	startedChan chan struct{}
 }
 
 func ProvideService(cfg *setting.Cfg, features featuremgmt.FeatureToggles, authenticator interceptors.Authenticator, tracer tracing.Tracer, registerer prometheus.Registerer) (Provider, error) {
 	s := &gPRCServerService{
-		cfg:     cfg,
-		logger:  log.New("grpc-server"),
-		enabled: features.IsEnabledGlobally(featuremgmt.FlagGrpcServer),
+		cfg:         cfg,
+		logger:      log.New("grpc-server"),
+		enabled:     features.IsEnabledGlobally(featuremgmt.FlagGrpcServer),
+		startedChan: make(chan struct{}),
 	}
 
 	// Register the metric here instead of an init() function so that we do
@@ -110,6 +112,7 @@ func (s *gPRCServerService) Run(ctx context.Context) error {
 	}
 
 	s.address = listener.Addr().String()
+	close(s.startedChan)
 
 	serveErr := make(chan error, 1)
 	go func() {
@@ -141,5 +144,6 @@ func (s *gPRCServerService) GetServer() *grpc.Server {
 }
 
 func (s *gPRCServerService) GetAddress() string {
+	<-s.startedChan
 	return s.address
 }

pkg/storage/unified/resource/health.go

@@ -0,0 +1,88 @@
+package resource
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	grpcAuth "github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/auth"
+	"google.golang.org/grpc/health/grpc_health_v1"
+)
+
+// Compile-time assertion
+var _ HealthService = &healthServer{}
+
+type HealthService interface {
+	grpc_health_v1.HealthServer
+	grpcAuth.ServiceAuthFuncOverride
+}
+
+func ProvideHealthService(server DiagnosticsServer) (grpc_health_v1.HealthServer, error) {
+	h := &healthServer{srv: server}
+	return h, nil
+}
+
+type healthServer struct {
+	srv DiagnosticsServer
+}
+
+// AuthFuncOverride for no auth for health service.
+func (s *healthServer) AuthFuncOverride(ctx context.Context, _ string) (context.Context, error) {
+	return ctx, nil
+}
+
+func (s *healthServer) Check(ctx context.Context, req *grpc_health_v1.HealthCheckRequest) (*grpc_health_v1.HealthCheckResponse, error) {
+	r, err := s.srv.IsHealthy(ctx, &HealthCheckRequest{})
+	if err != nil {
+		return nil, err
+	}
+
+	return &grpc_health_v1.HealthCheckResponse{
+		Status: grpc_health_v1.HealthCheckResponse_ServingStatus(r.Status.Number()),
+	}, nil
+}
+
+func (s *healthServer) Watch(req *grpc_health_v1.HealthCheckRequest, stream grpc_health_v1.Health_WatchServer) error {
+	h, err := s.srv.IsHealthy(stream.Context(), &HealthCheckRequest{})
+	if err != nil {
+		return err
+	}
+
+	// send initial health status
+	err = stream.Send(&grpc_health_v1.HealthCheckResponse{
+		Status: grpc_health_v1.HealthCheckResponse_ServingStatus(h.Status.Number()),
+	})
+	if err != nil {
+		return err
+	}
+
+	currHealth := h.Status.Number()
+	ticker := time.NewTicker(5 * time.Second)
+	defer ticker.Stop()
+	for {
+		select {
+		case <-ticker.C:
+			// get current health status
+			h, err := s.srv.IsHealthy(stream.Context(), &HealthCheckRequest{})
+			if err != nil {
+				return err
+			}
+
+			// if health status has not changed, continue
+			if h.Status.Number() == currHealth {
+				continue
+			}
+
+			// send the new health status
+			currHealth = h.Status.Number()
+			err = stream.Send(&grpc_health_v1.HealthCheckResponse{
+				Status: grpc_health_v1.HealthCheckResponse_ServingStatus(h.Status.Number()),
+			})
+			if err != nil {
+				return err
+			}
+		case <-stream.Context().Done():
+			return errors.New("stream closed, context cancelled")
+		}
+	}
+}

pkg/storage/unified/resource/health_test.go

@@ -0,0 +1,123 @@
+package resource
+
+import (
+	"context"
+	"errors"
+	sync "sync"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/health/grpc_health_v1"
+)
+
+func TestHealthCheck(t *testing.T) {
+	t.Run("will return serving response when healthy", func(t *testing.T) {
+		stub := &diag{healthResponse: HealthCheckResponse_SERVING}
+		svc, err := ProvideHealthService(stub)
+		require.NoError(t, err)
+
+		req := &grpc_health_v1.HealthCheckRequest{}
+		res, err := svc.Check(context.Background(), req)
+
+		require.NoError(t, err)
+		assert.Equal(t, grpc_health_v1.HealthCheckResponse_SERVING, res.Status)
+	})
+
+	t.Run("will return not serving response when not healthy", func(t *testing.T) {
+		stub := &diag{healthResponse: HealthCheckResponse_NOT_SERVING}
+		svc, err := ProvideHealthService(stub)
+		require.NoError(t, err)
+
+		req := &grpc_health_v1.HealthCheckRequest{}
+		res, err := svc.Check(context.Background(), req)
+
+		require.NoError(t, err)
+		assert.Equal(t, grpc_health_v1.HealthCheckResponse_NOT_SERVING, res.Status)
+	})
+}
+
+func TestHealthWatch(t *testing.T) {
+	t.Run("watch will return message when called", func(t *testing.T) {
+		stub := &diag{healthResponse: HealthCheckResponse_SERVING}
+		svc, err := ProvideHealthService(stub)
+		require.NoError(t, err)
+
+		req := &grpc_health_v1.HealthCheckRequest{}
+		stream := &fakeHealthWatchServer{}
+		go func() {
+			err := svc.Watch(req, stream)
+			require.NoError(t, err)
+		}()
+
+		time.Sleep(100 * time.Millisecond)
+		err = stream.RecvMsg(nil)
+		require.NoError(t, err)
+	})
+
+	t.Run("watch will return error when context cancelled", func(t *testing.T) {
+		stub := &diag{healthResponse: HealthCheckResponse_NOT_SERVING}
+		svc, err := ProvideHealthService(stub)
+		require.NoError(t, err)
+
+		req := &grpc_health_v1.HealthCheckRequest{}
+		ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
+		defer cancel()
+		stream := &fakeHealthWatchServer{context: ctx}
+		err = svc.Watch(req, stream)
+
+		require.Error(t, err)
+	})
+}
+
+var _ DiagnosticsServer = &diag{}
+
+type diag struct {
+	healthResponse HealthCheckResponse_ServingStatus
+	error          error
+}
+
+func (s *diag) IsHealthy(ctx context.Context, req *HealthCheckRequest) (*HealthCheckResponse, error) {
+	if s.error != nil {
+		return nil, s.error
+	}
+
+	return &HealthCheckResponse{Status: s.healthResponse}, nil
+}
+
+type fakeHealthWatchServer struct {
+	mu sync.Mutex
+	grpc.ServerStream
+	healthChecks []*grpc_health_v1.HealthCheckResponse
+	context      context.Context
+}
+
+func (f *fakeHealthWatchServer) Send(resp *grpc_health_v1.HealthCheckResponse) error {
+	f.mu.Lock()
+	defer f.mu.Unlock()
+	f.healthChecks = append(f.healthChecks, resp)
+	return nil
+}
+
+func (f *fakeHealthWatchServer) RecvMsg(m interface{}) error {
+	f.mu.Lock()
+	defer f.mu.Unlock()
+	if len(f.healthChecks) == 0 {
+		return errors.New("no health checks received")
+	}
+	f.healthChecks = f.healthChecks[1:]
+	return nil
+}
+
+func (f *fakeHealthWatchServer) SendMsg(m interface{}) error {
+	return errors.New("not implemented")
+}
+
+func (f *fakeHealthWatchServer) Context() context.Context {
+	if f.context == nil {
+		f.context = context.Background()
+	}
+	return f.context
+}

pkg/storage/unified/sql/backend.go

@@ -9,15 +9,16 @@ import (
 	"time"
 
 	"github.com/google/uuid"
-	"go.opentelemetry.io/otel/trace"
-	"go.opentelemetry.io/otel/trace/noop"
-	"google.golang.org/protobuf/proto"
-
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/storage/unified/resource"
 	"github.com/grafana/grafana/pkg/storage/unified/sql/db"
 	"github.com/grafana/grafana/pkg/storage/unified/sql/dbutil"
 	"github.com/grafana/grafana/pkg/storage/unified/sql/sqltemplate"
+	"go.opentelemetry.io/otel/trace"
+	"go.opentelemetry.io/otel/trace/noop"
+	"google.golang.org/protobuf/proto"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/runtime/schema"
 )
 
 const trace_prefix = "sql.resource."
@@ -314,7 +315,10 @@ func (b *backend) Read(ctx context.Context, req *resource.ReadRequest) (*resourc
 
 	res, err := dbutil.QueryRow(ctx, b.db, sr, readReq)
 	if errors.Is(err, sql.ErrNoRows) {
-		return nil, resource.ErrNotFound
+		return nil, apierrors.NewNotFound(schema.GroupResource{
+			Group:    req.Key.Group,
+			Resource: req.Key.Resource,
+		}, req.Key.Name)
 	} else if err != nil {
 		return nil, fmt.Errorf("get resource version: %w", err)
 	}
@@ -540,7 +544,7 @@ func fetchLatestRV(ctx context.Context, x db.ContextExecer, d sqltemplate.Dialec
 		resourceVersion: new(resourceVersion),
 	})
 	if errors.Is(err, sql.ErrNoRows) {
-		return 0, fmt.Errorf("now row for the provided resource version")
+		return 1, nil
 	} else if err != nil {
 		return 0, fmt.Errorf("get resource version: %w", err)
 	}

pkg/storage/unified/sql/service.go

@@ -0,0 +1,134 @@
+package sql
+
+import (
+	"context"
+
+	"github.com/grafana/dskit/services"
+	"github.com/prometheus/client_golang/prometheus"
+	"google.golang.org/grpc/health/grpc_health_v1"
+
+	infraDB "github.com/grafana/grafana/pkg/infra/db"
+	"github.com/grafana/grafana/pkg/infra/log"
+	"github.com/grafana/grafana/pkg/infra/tracing"
+	"github.com/grafana/grafana/pkg/modules"
+	"github.com/grafana/grafana/pkg/services/featuremgmt"
+	"github.com/grafana/grafana/pkg/services/grpcserver"
+	"github.com/grafana/grafana/pkg/services/grpcserver/interceptors"
+	"github.com/grafana/grafana/pkg/setting"
+	"github.com/grafana/grafana/pkg/storage/unified/resource"
+	"github.com/grafana/grafana/pkg/storage/unified/resource/grpc"
+)
+
+var (
+	_ Service = (*service)(nil)
+)
+
+type Service interface {
+	services.NamedService
+}
+
+type service struct {
+	*services.BasicService
+
+	cfg       *setting.Cfg
+	features  featuremgmt.FeatureToggles
+	db        infraDB.DB
+	stopCh    chan struct{}
+	stoppedCh chan error
+
+	handler grpcserver.Provider
+
+	tracing *tracing.TracingService
+
+	authenticator interceptors.Authenticator
+
+	log log.Logger
+}
+
+func ProvideService(
+	cfg *setting.Cfg,
+	features featuremgmt.FeatureToggles,
+	db infraDB.DB,
+	log log.Logger,
+) (*service, error) {
+	tracingCfg, err := tracing.ProvideTracingConfig(cfg)
+	if err != nil {
+		return nil, err
+	}
+	tracingCfg.ServiceName = "unified-storage"
+
+	tracing, err := tracing.ProvideService(tracingCfg)
+	if err != nil {
+		return nil, err
+	}
+
+	authn := &grpc.Authenticator{}
+
+	s := &service{
+		cfg:           cfg,
+		features:      features,
+		stopCh:        make(chan struct{}),
+		authenticator: authn,
+		tracing:       tracing,
+		db:            db,
+		log:           log,
+	}
+
+	// This will be used when running as a dskit service
+	s.BasicService = services.NewBasicService(s.start, s.running, nil).WithName(modules.StorageServer)
+
+	return s, nil
+}
+
+func (s *service) start(ctx context.Context) error {
+	server, err := ProvideResourceServer(s.db, s.cfg, s.features, s.tracing)
+	if err != nil {
+		return err
+	}
+	s.handler, err = grpcserver.ProvideService(s.cfg, s.features, s.authenticator, s.tracing, prometheus.DefaultRegisterer)
+	if err != nil {
+		return err
+	}
+
+	healthService, err := resource.ProvideHealthService(server)
+	if err != nil {
+		return err
+	}
+
+	resource.RegisterResourceStoreServer(s.handler.GetServer(), server)
+	grpc_health_v1.RegisterHealthServer(s.handler.GetServer(), healthService)
+
+	// register reflection service
+	_, err = grpcserver.ProvideReflectionService(s.cfg, s.handler)
+	if err != nil {
+		return err
+	}
+
+	// start the gRPC server
+	go func() {
+		err := s.handler.Run(ctx)
+		if err != nil {
+			s.stoppedCh <- err
+		} else {
+			s.stoppedCh <- nil
+		}
+	}()
+	return nil
+}
+
+// GetAddress returns the address of the gRPC server.
+func (s *service) GetAddress() string {
+	return s.handler.GetAddress()
+}
+
+func (s *service) running(ctx context.Context) error {
+	select {
+	case err := <-s.stoppedCh:
+		if err != nil {
+			return err
+		}
+	case <-ctx.Done():
+		close(s.stopCh)
+	}
+	return nil
+}

pkg/storage/unified/sql/test/integration_test.go

@@ -7,7 +7,11 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"go.opentelemetry.io/otel/trace/noop"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
 
+	"github.com/grafana/dskit/services"
+	"github.com/grafana/grafana/pkg/apimachinery/identity"
 	infraDB "github.com/grafana/grafana/pkg/infra/db"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/setting"
@@ -279,6 +283,75 @@ func TestBackendPrepareList(t *testing.T) {
 		assert.Equal(t, int64(4), continueToken.StartOffset)
 	})
 }
+func TestClientServer(t *testing.T) {
+	ctx := context.Background()
+	dbstore := infraDB.InitTestDB(t)
+
+	cfg := setting.NewCfg()
+	cfg.GRPCServerAddress = "localhost:0"
+	cfg.GRPCServerNetwork = "tcp"
+
+	features := featuremgmt.WithFeatures(featuremgmt.FlagUnifiedStorage)
+
+	svc, err := sql.ProvideService(cfg, features, dbstore, nil)
+	require.NoError(t, err)
+	var client resource.ResourceStoreClient
+
+	// Test with an admin identity
+	clientCtx := identity.WithRequester(context.Background(), &identity.StaticRequester{
+		Type:           identity.TypeUser,
+		Login:          "testuser",
+		UserID:         123,
+		UserUID:        "u123",
+		OrgRole:        identity.RoleAdmin,
+		IsGrafanaAdmin: true, // can do anything
+	})
+
+	t.Run("Start and stop service", func(t *testing.T) {
+		err = services.StartAndAwaitRunning(ctx, svc)
+		require.NoError(t, err)
+		require.NotEmpty(t, svc.GetAddress())
+	})
+
+	t.Run("Create a client", func(t *testing.T) {
+		conn, err := grpc.NewClient(svc.GetAddress(), grpc.WithTransportCredentials(insecure.NewCredentials()))
+		require.NoError(t, err)
+		client = resource.NewResourceStoreClientGRPC(conn)
+	})
+
+	t.Run("Create a resource", func(t *testing.T) {
+		raw := []byte(`{
+			"apiVersion": "group/v0alpha1",
+			"kind": "resource",
+			"metadata": {
+				"name": "item1",
+				"namespace": "namespace"
+			},
+			"spec": {}
+		}`)
+		resp, err := client.Create(clientCtx, &resource.CreateRequest{
+			Key:   resourceKey("item1"),
+			Value: raw,
+		})
+		require.NoError(t, err)
+		require.Empty(t, resp.Error)
+		require.Greater(t, resp.ResourceVersion, int64(0))
+	})
+
+	t.Run("Read the resource", func(t *testing.T) {
+		resp, err := client.Read(clientCtx, &resource.ReadRequest{
+			Key: resourceKey("item1"),
+		})
+		require.NoError(t, err)
+		require.Empty(t, resp.Error)
+		require.Greater(t, resp.ResourceVersion, int64(0))
+	})
+
+	t.Run("Stop the service", func(t *testing.T) {
+		err = services.StopAndAwaitTerminated(ctx, svc)
+		require.NoError(t, err)
+	})
+}
 
 func writeEvent(ctx context.Context, store sql.Backend, name string, action resource.WatchEvent_Type) (int64, error) {
 	return store.WriteEvent(ctx, resource.WriteEvent{