Setup legacy search based on mode (#98908)

pkg/registry/apis/dashboard/legacy/sql_dashboards.go

@@ -19,6 +19,7 @@ import (
 	"github.com/grafana/grafana/pkg/apimachinery/utils"
 	dashboard "github.com/grafana/grafana/pkg/apis/dashboard"
 	"github.com/grafana/grafana/pkg/components/simplejson"
+	"github.com/grafana/grafana/pkg/registry/apis/dashboard/legacysearcher"
 	"github.com/grafana/grafana/pkg/services/apiserver/endpoints/request"
 	gapiutil "github.com/grafana/grafana/pkg/services/apiserver/utils"
 	"github.com/grafana/grafana/pkg/services/dashboards"
@@ -54,8 +55,9 @@ type dashboardSqlAccess struct {
 	provisioning provisioning.ProvisioningService
 
 	// Use for writing (not reading)
-	dashStore  dashboards.Store
-	softDelete bool
+	dashStore             dashboards.Store
+	softDelete            bool
+	dashboardSearchClient legacysearcher.DashboardSearchClient
 
 	// Typically one... the server wrapper
 	subscribers []chan *resource.WrittenEvent
@@ -68,12 +70,14 @@ func NewDashboardAccess(sql legacysql.LegacyDatabaseProvider,
 	provisioning provisioning.ProvisioningService,
 	softDelete bool,
 ) DashboardAccess {
+	dashboardSearchClient := legacysearcher.NewDashboardSearchClient(dashStore)
 	return &dashboardSqlAccess{
-		sql:          sql,
-		namespacer:   namespacer,
-		dashStore:    dashStore,
-		provisioning: provisioning,
-		softDelete:   softDelete,
+		sql:                   sql,
+		namespacer:            namespacer,
+		dashStore:             dashStore,
+		provisioning:          provisioning,
+		softDelete:            softDelete,
+		dashboardSearchClient: *dashboardSearchClient,
 	}
 }
 

pkg/registry/apis/dashboard/legacy/storage.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
-	"strings"
 	"time"
 
 	claims "github.com/grafana/authlib/types"
@@ -255,9 +254,8 @@ func (a *dashboardSqlAccess) Read(ctx context.Context, req *resource.ReadRequest
 	return a.ReadResource(ctx, req), nil
 }
 
-// TODO: this needs to be implemented
 func (a *dashboardSqlAccess) Search(ctx context.Context, req *resource.ResourceSearchRequest) (*resource.ResourceSearchResponse, error) {
-	return nil, fmt.Errorf("not yet (filter)")
+	return a.dashboardSearchClient.Search(ctx, req)
 }
 
 func (a *dashboardSqlAccess) ListRepositoryObjects(ctx context.Context, req *resource.ListRepositoryObjectsRequest) (*resource.ListRepositoryObjectsResponse, error) {
@@ -270,35 +268,5 @@ func (a *dashboardSqlAccess) CountRepositoryObjects(context.Context, *resource.C
 
 // GetStats implements ResourceServer.
 func (a *dashboardSqlAccess) GetStats(ctx context.Context, req *resource.ResourceStatsRequest) (*resource.ResourceStatsResponse, error) {
-	info, err := claims.ParseNamespace(req.Namespace)
-	if err != nil {
-		return nil, fmt.Errorf("unable to read namespace")
-	}
-	if info.OrgID == 0 {
-		return nil, fmt.Errorf("invalid OrgID found in namespace")
-	}
-
-	if len(req.Kinds) != 1 {
-		return nil, fmt.Errorf("only can query for dashboard kind in legacy fallback")
-	}
-
-	parts := strings.SplitN(req.Kinds[0], "/", 2)
-	if len(parts) != 2 {
-		return nil, fmt.Errorf("invalid kind")
-	}
-
-	count, err := a.dashStore.CountInOrg(ctx, info.OrgID)
-	if err != nil {
-		return nil, err
-	}
-
-	return &resource.ResourceStatsResponse{
-		Stats: []*resource.ResourceStatsResponse_Stats{
-			{
-				Group:    parts[0],
-				Resource: parts[1],
-				Count:    count,
-			},
-		},
-	}, nil
+	return a.dashboardSearchClient.GetStats(ctx, req)
 }

pkg/registry/apis/dashboard/legacysearcher/search_client.go

@@ -0,0 +1,128 @@
+package legacysearcher
+
+import (
+	"context"
+	"fmt"
+	"strings"
+
+	claims "github.com/grafana/authlib/types"
+	"github.com/grafana/grafana/pkg/apimachinery/identity"
+	"github.com/grafana/grafana/pkg/services/dashboards"
+	"github.com/grafana/grafana/pkg/storage/unified/resource"
+	"google.golang.org/grpc"
+)
+
+type DashboardSearchClient struct {
+	resource.ResourceIndexClient
+	dashboardStore dashboards.Store
+}
+
+func NewDashboardSearchClient(dashboardStore dashboards.Store) *DashboardSearchClient {
+	return &DashboardSearchClient{dashboardStore: dashboardStore}
+}
+
+func (c *DashboardSearchClient) Search(ctx context.Context, req *resource.ResourceSearchRequest, opts ...grpc.CallOption) (*resource.ResourceSearchResponse, error) {
+	user, err := identity.GetRequester(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	if req.Query == "*" {
+		req.Query = ""
+	}
+
+	// TODO add missing support for the following query params:
+	// - tag
+	// - starred (won't support)
+	// - page (check)
+	// - type
+	// - sort
+	// - deleted
+	// - permission
+	// - dashboardIds
+	// - dashboardUIDs
+	// - folderIds
+	// - folderUIDs
+	// - sort (default by title)
+	query := &dashboards.FindPersistedDashboardsQuery{
+		Title: req.Query,
+		Limit: req.Limit,
+		// FolderUIDs:   req.FolderUIDs,
+		SignedInUser: user,
+	}
+
+	// TODO need to test this
+	// emptyResponse, err := a.dashService.GetSharedDashboardUIDsQuery(ctx, query)
+
+	// if err != nil {
+	// 	return nil, err
+	// } else if emptyResponse {
+	// 	return nil, nil
+	// }
+
+	res, err := c.dashboardStore.FindDashboards(ctx, query)
+	if err != nil {
+		return nil, err
+	}
+
+	// TODO sort if query.Sort == "" see sortedHits in services/search/service.go
+
+	searchFields := resource.StandardSearchFields()
+	list := &resource.ResourceSearchResponse{
+		Results: &resource.ResourceTable{
+			Columns: []*resource.ResourceTableColumnDefinition{
+				searchFields.Field(resource.SEARCH_FIELD_TITLE),
+				searchFields.Field(resource.SEARCH_FIELD_FOLDER),
+				// searchFields.Field(resource.SEARCH_FIELD_TAGS),
+			},
+		},
+	}
+
+	for _, dashboard := range res {
+		list.Results.Rows = append(list.Results.Rows, &resource.ResourceTableRow{
+			Key: &resource.ResourceKey{
+				Namespace: "default",
+				Group:     "dashboard.grafana.app",
+				Resource:  "dashboards",
+				Name:      dashboard.UID,
+			},
+			Cells: [][]byte{[]byte(dashboard.Title), []byte(dashboard.FolderUID)}, // TODO add tag
+		})
+	}
+
+	return list, nil
+}
+
+func (c *DashboardSearchClient) GetStats(ctx context.Context, req *resource.ResourceStatsRequest, opts ...grpc.CallOption) (*resource.ResourceStatsResponse, error) {
+	info, err := claims.ParseNamespace(req.Namespace)
+	if err != nil {
+		return nil, fmt.Errorf("unable to read namespace")
+	}
+	if info.OrgID == 0 {
+		return nil, fmt.Errorf("invalid OrgID found in namespace")
+	}
+
+	if len(req.Kinds) != 1 {
+		return nil, fmt.Errorf("only can query for dashboard kind in legacy fallback")
+	}
+
+	parts := strings.SplitN(req.Kinds[0], "/", 2)
+	if len(parts) != 2 {
+		return nil, fmt.Errorf("invalid kind")
+	}
+
+	count, err := c.dashboardStore.CountInOrg(ctx, info.OrgID)
+	if err != nil {
+		return nil, err
+	}
+
+	return &resource.ResourceStatsResponse{
+		Stats: []*resource.ResourceStatsResponse_Stats{
+			{
+				Group:    parts[0],
+				Resource: parts[1],
+				Count:    count,
+			},
+		},
+	}, nil
+}

pkg/registry/apis/dashboard/search.go

@@ -21,6 +21,7 @@ import (
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/services/apiserver/builder"
 	dashboardsearch "github.com/grafana/grafana/pkg/services/dashboards/service/search"
+	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/storage/unified/resource"
 	"github.com/grafana/grafana/pkg/util/errhttp"
 )
@@ -32,9 +33,10 @@ type SearchHandler struct {
 	tracer trace.Tracer
 }
 
-func NewSearchHandler(client resource.ResourceIndexClient, tracer trace.Tracer) *SearchHandler {
+func NewSearchHandler(client resource.ResourceIndexClient, tracer trace.Tracer, cfg *setting.Cfg, legacyDashboardSearcher resource.ResourceIndexClient) *SearchHandler {
+	searchClient := resource.NewSearchClient(cfg, setting.UnifiedStorageConfigKeyDashboard, client, legacyDashboardSearcher)
 	return &SearchHandler{
-		client: client,
+		client: searchClient,
 		log:    log.New("grafana-apiserver.dashboards.search"),
 		tracer: tracer,
 	}
@@ -332,7 +334,6 @@ func (s *SearchHandler) DoSearch(w http.ResponseWriter, r *http.Request) {
 		searchRequest.Options.Fields = append(searchRequest.Options.Fields, namesFilter...)
 	}
 
-	// Run the query
 	result, err := s.client.Search(ctx, searchRequest)
 	if err != nil {
 		errhttp.Write(ctx, err, w)

pkg/registry/apis/dashboard/search_test.go

@@ -7,13 +7,173 @@ import (
 	"testing"
 
 	"github.com/grafana/grafana/pkg/apimachinery/identity"
+	"github.com/grafana/grafana/pkg/apiserver/rest"
 	"github.com/grafana/grafana/pkg/infra/log"
 	"github.com/grafana/grafana/pkg/infra/tracing"
 	"github.com/grafana/grafana/pkg/services/user"
+	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/storage/unified/resource"
 	"google.golang.org/grpc"
 )
 
+func TestSearchFallback(t *testing.T) {
+	t.Run("should hit legacy search handler on mode 0", func(t *testing.T) {
+		mockClient := &MockClient{}
+		mockLegacyClient := &MockClient{}
+
+		cfg := &setting.Cfg{
+			UnifiedStorage: map[string]setting.UnifiedStorageConfig{
+				"dashboards.dashboard.grafana.app": {DualWriterMode: rest.Mode0},
+			},
+		}
+		searchHandler := NewSearchHandler(mockClient, tracing.NewNoopTracerService(), cfg, mockLegacyClient)
+
+		rr := httptest.NewRecorder()
+		req := httptest.NewRequest("GET", "/search", nil)
+		req.Header.Add("content-type", "application/json")
+		req = req.WithContext(identity.WithRequester(req.Context(), &user.SignedInUser{Namespace: "test"}))
+
+		searchHandler.DoSearch(rr, req)
+
+		if mockClient.LastSearchRequest != nil {
+			t.Fatalf("expected Search NOT to be called, but it was")
+		}
+		if mockLegacyClient.LastSearchRequest == nil {
+			t.Fatalf("expected Search to be called, but it was not")
+		}
+	})
+
+	t.Run("should hit legacy search handler on mode 1", func(t *testing.T) {
+		mockClient := &MockClient{}
+		mockLegacyClient := &MockClient{}
+
+		cfg := &setting.Cfg{
+			UnifiedStorage: map[string]setting.UnifiedStorageConfig{
+				"dashboards.dashboard.grafana.app": {DualWriterMode: rest.Mode1},
+			},
+		}
+		searchHandler := NewSearchHandler(mockClient, tracing.NewNoopTracerService(), cfg, mockLegacyClient)
+
+		rr := httptest.NewRecorder()
+		req := httptest.NewRequest("GET", "/search", nil)
+		req.Header.Add("content-type", "application/json")
+		req = req.WithContext(identity.WithRequester(req.Context(), &user.SignedInUser{Namespace: "test"}))
+
+		searchHandler.DoSearch(rr, req)
+
+		if mockClient.LastSearchRequest != nil {
+			t.Fatalf("expected Search NOT to be called, but it was")
+		}
+		if mockLegacyClient.LastSearchRequest == nil {
+			t.Fatalf("expected Search to be called, but it was not")
+		}
+	})
+
+	t.Run("should hit legacy search handler on mode 2", func(t *testing.T) {
+		mockClient := &MockClient{}
+		mockLegacyClient := &MockClient{}
+
+		cfg := &setting.Cfg{
+			UnifiedStorage: map[string]setting.UnifiedStorageConfig{
+				"dashboards.dashboard.grafana.app": {DualWriterMode: rest.Mode2},
+			},
+		}
+		searchHandler := NewSearchHandler(mockClient, tracing.NewNoopTracerService(), cfg, mockLegacyClient)
+
+		rr := httptest.NewRecorder()
+		req := httptest.NewRequest("GET", "/search", nil)
+		req.Header.Add("content-type", "application/json")
+		req = req.WithContext(identity.WithRequester(req.Context(), &user.SignedInUser{Namespace: "test"}))
+
+		searchHandler.DoSearch(rr, req)
+
+		if mockClient.LastSearchRequest != nil {
+			t.Fatalf("expected Search NOT to be called, but it was")
+		}
+		if mockLegacyClient.LastSearchRequest == nil {
+			t.Fatalf("expected Search to be called, but it was not")
+		}
+	})
+
+	t.Run("should hit unified storage search handler on mode 3", func(t *testing.T) {
+		mockClient := &MockClient{}
+		mockLegacyClient := &MockClient{}
+
+		cfg := &setting.Cfg{
+			UnifiedStorage: map[string]setting.UnifiedStorageConfig{
+				"dashboards.dashboard.grafana.app": {DualWriterMode: rest.Mode3},
+			},
+		}
+		searchHandler := NewSearchHandler(mockClient, tracing.NewNoopTracerService(), cfg, mockLegacyClient)
+
+		rr := httptest.NewRecorder()
+		req := httptest.NewRequest("GET", "/search", nil)
+		req.Header.Add("content-type", "application/json")
+		req = req.WithContext(identity.WithRequester(req.Context(), &user.SignedInUser{Namespace: "test"}))
+
+		searchHandler.DoSearch(rr, req)
+
+		if mockClient.LastSearchRequest == nil {
+			t.Fatalf("expected Search to be called, but it was not")
+		}
+		if mockLegacyClient.LastSearchRequest != nil {
+			t.Fatalf("expected Search NOT to be called, but it was")
+		}
+	})
+
+	t.Run("should hit unified storage search handler on mode 4", func(t *testing.T) {
+		mockClient := &MockClient{}
+		mockLegacyClient := &MockClient{}
+
+		cfg := &setting.Cfg{
+			UnifiedStorage: map[string]setting.UnifiedStorageConfig{
+				"dashboards.dashboard.grafana.app": {DualWriterMode: rest.Mode4},
+			},
+		}
+		searchHandler := NewSearchHandler(mockClient, tracing.NewNoopTracerService(), cfg, mockLegacyClient)
+
+		rr := httptest.NewRecorder()
+		req := httptest.NewRequest("GET", "/search", nil)
+		req.Header.Add("content-type", "application/json")
+		req = req.WithContext(identity.WithRequester(req.Context(), &user.SignedInUser{Namespace: "test"}))
+
+		searchHandler.DoSearch(rr, req)
+
+		if mockClient.LastSearchRequest == nil {
+			t.Fatalf("expected Search to be called, but it was not")
+		}
+		if mockLegacyClient.LastSearchRequest != nil {
+			t.Fatalf("expected Search NOT to be called, but it was")
+		}
+	})
+
+	t.Run("should hit unified storage search handler on mode 5", func(t *testing.T) {
+		mockClient := &MockClient{}
+		mockLegacyClient := &MockClient{}
+
+		cfg := &setting.Cfg{
+			UnifiedStorage: map[string]setting.UnifiedStorageConfig{
+				"dashboards.dashboard.grafana.app": {DualWriterMode: rest.Mode5},
+			},
+		}
+		searchHandler := NewSearchHandler(mockClient, tracing.NewNoopTracerService(), cfg, mockLegacyClient)
+
+		rr := httptest.NewRecorder()
+		req := httptest.NewRequest("GET", "/search", nil)
+		req.Header.Add("content-type", "application/json")
+		req = req.WithContext(identity.WithRequester(req.Context(), &user.SignedInUser{Namespace: "test"}))
+
+		searchHandler.DoSearch(rr, req)
+
+		if mockClient.LastSearchRequest == nil {
+			t.Fatalf("expected Search to be called, but it was not")
+		}
+		if mockLegacyClient.LastSearchRequest != nil {
+			t.Fatalf("expected Search NOT to be called, but it was")
+		}
+	})
+}
+
 func TestSearchHandlerFields(t *testing.T) {
 	// Create a mock client
 	mockClient := &MockClient{}

pkg/registry/apis/dashboard/v0alpha1/register.go

@@ -24,6 +24,7 @@ import (
 	"github.com/grafana/grafana/pkg/infra/tracing"
 	"github.com/grafana/grafana/pkg/registry/apis/dashboard"
 	"github.com/grafana/grafana/pkg/registry/apis/dashboard/legacy"
+	"github.com/grafana/grafana/pkg/registry/apis/dashboard/legacysearcher"
 	"github.com/grafana/grafana/pkg/services/accesscontrol"
 	"github.com/grafana/grafana/pkg/services/apiserver/builder"
 	"github.com/grafana/grafana/pkg/services/apiserver/endpoints/request"
@@ -71,6 +72,7 @@ func RegisterAPIService(cfg *setting.Cfg, features featuremgmt.FeatureToggles,
 	softDelete := features.IsEnabledGlobally(featuremgmt.FlagDashboardRestore)
 	dbp := legacysql.NewDatabaseProvider(sql)
 	namespacer := request.GetNamespaceMapper(cfg)
+	legacyDashboardSearcher := legacysearcher.NewDashboardSearchClient(dashStore)
 	builder := &DashboardsAPIBuilder{
 		log: log.New("grafana-apiserver.dashboards.v0alpha1"),
 		DashboardsAPIBuilder: dashboard.DashboardsAPIBuilder{
@@ -80,7 +82,7 @@ func RegisterAPIService(cfg *setting.Cfg, features featuremgmt.FeatureToggles,
 		features:         features,
 		accessControl:    accessControl,
 		unified:          unified,
-		search:           dashboard.NewSearchHandler(unified, tracing),
+		search:           dashboard.NewSearchHandler(unified, tracing, cfg, legacyDashboardSearcher),
 
 		legacy: &dashboard.DashboardStorage{
 			Resource:       dashboardv0alpha1.DashboardResourceInfo,

pkg/services/apiserver/client/client.go

@@ -12,8 +12,11 @@ import (
 
 	"github.com/grafana/grafana/pkg/apimachinery/identity"
 	"github.com/grafana/grafana/pkg/infra/log"
+	"github.com/grafana/grafana/pkg/registry/apis/dashboard/legacysearcher"
 	"github.com/grafana/grafana/pkg/services/apiserver"
 	"github.com/grafana/grafana/pkg/services/apiserver/endpoints/request"
+	"github.com/grafana/grafana/pkg/services/dashboards"
+	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/storage/unified/resource"
 	k8sUser "k8s.io/apiserver/pkg/authentication/user"
 	k8sRequest "k8s.io/apiserver/pkg/endpoints/request"
@@ -40,12 +43,14 @@ type k8sHandler struct {
 	searcher           resource.ResourceIndexClient
 }
 
-func NewK8sHandler(namespacer request.NamespaceMapper, gvr schema.GroupVersionResource, restConfigProvider apiserver.RestConfigProvider, searcher resource.ResourceIndexClient) K8sHandler {
+func NewK8sHandler(cfg *setting.Cfg, namespacer request.NamespaceMapper, gvr schema.GroupVersionResource, restConfigProvider apiserver.RestConfigProvider, searcher resource.ResourceIndexClient, dashStore dashboards.Store) K8sHandler {
+	legacySearcher := legacysearcher.NewDashboardSearchClient(dashStore)
+	searchClient := resource.NewSearchClient(cfg, setting.UnifiedStorageConfigKeyDashboard, searcher, legacySearcher)
 	return &k8sHandler{
 		namespacer:         namespacer,
 		gvr:                gvr,
 		restConfigProvider: restConfigProvider,
-		searcher:           searcher,
+		searcher:           searchClient,
 	}
 }
 

pkg/services/dashboards/service/dashboard_service.go

@@ -91,7 +91,7 @@ func ProvideDashboardServiceImpl(
 	restConfigProvider apiserver.RestConfigProvider, userService user.Service, unified resource.ResourceClient,
 	quotaService quota.Service, orgService org.Service, publicDashboardService publicdashboards.ServiceWrapper,
 ) (*DashboardServiceImpl, error) {
-	k8sHandler := client.NewK8sHandler(request.GetNamespaceMapper(cfg), v0alpha1.DashboardResourceInfo.GroupVersionResource(), restConfigProvider, unified)
+	k8sHandler := client.NewK8sHandler(cfg, request.GetNamespaceMapper(cfg), v0alpha1.DashboardResourceInfo.GroupVersionResource(), restConfigProvider, unified, dashboardStore)
 
 	dashSvc := &DashboardServiceImpl{
 		cfg:                       cfg,

pkg/setting/setting.go

@@ -540,6 +540,8 @@ type Cfg struct {
 	HttpsSkipVerify             bool
 }
 
+const UnifiedStorageConfigKeyDashboard = "dashboards.dashboard.grafana.app"
+
 type UnifiedStorageConfig struct {
 	DualWriterMode                       rest.DualWriterMode
 	DualWriterPeriodicDataSyncJobEnabled bool

pkg/storage/unified/resource/go.mod

@@ -17,6 +17,7 @@ require (
 	github.com/grafana/grafana v11.4.0-00010101000000-000000000000+incompatible
 	github.com/grafana/grafana-plugin-sdk-go v0.263.0
 	github.com/grafana/grafana/pkg/apimachinery v0.0.0-20250121113133-e747350fee2d
+	github.com/grafana/grafana/pkg/apiserver v0.0.0-20250121113133-e747350fee2d
 	github.com/grpc-ecosystem/go-grpc-middleware/v2 v2.2.0
 	github.com/hashicorp/golang-lru/v2 v2.0.7
 	github.com/prometheus/client_golang v1.20.5
@@ -120,7 +121,6 @@ require (
 	github.com/grafana/grafana-app-sdk/logging v0.29.0 // indirect
 	github.com/grafana/grafana-aws-sdk v0.31.5 // indirect
 	github.com/grafana/grafana-azure-sdk-go/v2 v2.1.6 // indirect
-	github.com/grafana/grafana/pkg/apiserver v0.0.0-20250121113133-e747350fee2d // indirect
 	github.com/grafana/otel-profiling-go v0.5.1 // indirect
 	github.com/grafana/pyroscope-go/godeltaprof v0.1.8 // indirect
 	github.com/grafana/sqlds/v4 v4.1.3 // indirect

pkg/storage/unified/resource/search_client.go

@@ -0,0 +1,20 @@
+package resource
+
+import (
+	"github.com/grafana/grafana/pkg/apiserver/rest"
+	"github.com/grafana/grafana/pkg/setting"
+)
+
+func NewSearchClient(cfg *setting.Cfg, unifiedStorageConfigKey string, unifiedClient ResourceIndexClient, legacyClient ResourceIndexClient) ResourceIndexClient {
+	config, ok := cfg.UnifiedStorage[unifiedStorageConfigKey]
+	if !ok {
+		return legacyClient
+	}
+
+	switch config.DualWriterMode {
+	case rest.Mode0, rest.Mode1, rest.Mode2:
+		return legacyClient
+	default:
+		return unifiedClient
+	}
+}