Chore: Remove plugincontext.ErrPluginNotFound (#74997)

pkg/api/datasources.go

@@ -19,7 +19,6 @@ import (
 	"github.com/grafana/grafana/pkg/infra/log"
 	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/datasources"
-	"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
 	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/util"
 	"github.com/grafana/grafana/pkg/web"
@@ -814,10 +813,7 @@ func (hs *HTTPServer) CheckDatasourceHealth(c *contextmodel.ReqContext) response
 func (hs *HTTPServer) checkDatasourceHealth(c *contextmodel.ReqContext, ds *datasources.DataSource) response.Response {
 	pCtx, err := hs.pluginContextProvider.GetWithDataSource(c.Req.Context(), ds.Type, c.SignedInUser, ds)
 	if err != nil {
-		if errors.Is(err, plugincontext.ErrPluginNotFound) {
-			return response.Error(http.StatusNotFound, "Unable to find datasource plugin", nil)
-		}
-		return response.Error(http.StatusInternalServerError, "Unable to get plugin context", err)
+		return response.ErrOrFallback(http.StatusInternalServerError, "Unable to get plugin context", err)
 	}
 	req := &backend.CheckHealthRequest{
 		PluginContext: pCtx,

pkg/api/metrics.go

@@ -14,7 +14,6 @@ import (
 	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/datasources"
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
-	"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
 	"github.com/grafana/grafana/pkg/web"
 )
 
@@ -25,9 +24,6 @@ func (hs *HTTPServer) handleQueryMetricsError(err error) *response.NormalRespons
 	if errors.Is(err, datasources.ErrDataSourceNotFound) {
 		return response.Error(http.StatusNotFound, "Data source not found", err)
 	}
-	if errors.Is(err, plugincontext.ErrPluginNotFound) {
-		return response.Error(http.StatusNotFound, "Plugin not found", err)
-	}
 
 	var secretsPlugin datasources.ErrDatasourceSecretsPluginUserFriendly
 	if errors.As(err, &secretsPlugin) {

pkg/api/plugin_resource.go

@@ -11,10 +11,10 @@ import (
 
 	"github.com/grafana/grafana/pkg/api/response"
 	"github.com/grafana/grafana/pkg/middleware/requestmeta"
+	"github.com/grafana/grafana/pkg/plugins"
 	"github.com/grafana/grafana/pkg/plugins/httpresponsesender"
 	contextmodel "github.com/grafana/grafana/pkg/services/contexthandler/model"
 	"github.com/grafana/grafana/pkg/services/datasources"
-	"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
 	"github.com/grafana/grafana/pkg/util/proxyutil"
 	"github.com/grafana/grafana/pkg/web"
 )
@@ -29,7 +29,7 @@ func (hs *HTTPServer) CallResource(c *contextmodel.ReqContext) {
 func (hs *HTTPServer) callPluginResource(c *contextmodel.ReqContext, pluginID string) {
 	pCtx, err := hs.pluginContextProvider.Get(c.Req.Context(), pluginID, c.SignedInUser, c.OrgID)
 	if err != nil {
-		if errors.Is(err, plugincontext.ErrPluginNotFound) {
+		if errors.Is(err, plugins.ErrPluginNotRegistered) {
 			c.JsonApiErr(404, "Plugin not found", nil)
 			return
 		}
@@ -54,7 +54,7 @@ func (hs *HTTPServer) callPluginResource(c *contextmodel.ReqContext, pluginID st
 func (hs *HTTPServer) callPluginResourceWithDataSource(c *contextmodel.ReqContext, pluginID string, ds *datasources.DataSource) {
 	pCtx, err := hs.pluginContextProvider.GetWithDataSource(c.Req.Context(), pluginID, c.SignedInUser, ds)
 	if err != nil {
-		if errors.Is(err, plugincontext.ErrPluginNotFound) {
+		if errors.Is(err, plugins.ErrPluginNotRegistered) {
 			c.JsonApiErr(404, "Plugin not found", nil)
 			return
 		}

pkg/api/plugins.go

@@ -26,7 +26,6 @@ import (
 	"github.com/grafana/grafana/pkg/services/datasources"
 	"github.com/grafana/grafana/pkg/services/org"
 	"github.com/grafana/grafana/pkg/services/pluginsintegration/pluginaccesscontrol"
-	"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
 	"github.com/grafana/grafana/pkg/services/pluginsintegration/pluginsettings"
 	"github.com/grafana/grafana/pkg/services/pluginsintegration/pluginstore"
 	"github.com/grafana/grafana/pkg/setting"
@@ -394,10 +393,7 @@ func (hs *HTTPServer) CheckHealth(c *contextmodel.ReqContext) response.Response
 	pluginID := web.Params(c.Req)[":pluginId"]
 	pCtx, err := hs.pluginContextProvider.Get(c.Req.Context(), pluginID, c.SignedInUser, c.OrgID)
 	if err != nil {
-		if errors.Is(err, plugincontext.ErrPluginNotFound) {
-			return response.Error(http.StatusNotFound, "Plugin not found", nil)
-		}
-		return response.Error(http.StatusInternalServerError, "Failed to get plugin settings", err)
+		return response.ErrOrFallback(http.StatusInternalServerError, "Failed to get plugin settings", err)
 	}
 	resp, err := hs.pluginClient.CheckHealth(c.Req.Context(), &backend.CheckHealthRequest{
 		PluginContext: pCtx,

pkg/expr/ml.go

@@ -15,8 +15,8 @@ import (
 	"github.com/grafana/grafana/pkg/api/response"
 	"github.com/grafana/grafana/pkg/expr/mathexp"
 	"github.com/grafana/grafana/pkg/expr/ml"
+	"github.com/grafana/grafana/pkg/plugins"
 	"github.com/grafana/grafana/pkg/plugins/httpresponsesender"
-	"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
 )
 
 var (
@@ -64,7 +64,7 @@ func (m *MLNode) Execute(ctx context.Context, now time.Time, _ mathexp.Vars, s *
 	// get the plugin configuration that will be used by client (auth, host, etc)
 	pCtx, err := s.pCtxProvider.Get(ctx, mlPluginID, m.request.User, m.request.OrgId)
 	if err != nil {
-		if errors.Is(err, plugincontext.ErrPluginNotFound) {
+		if errors.Is(err, plugins.ErrPluginNotRegistered) {
 			return result, errMLPluginDoesNotExist
 		}
 		return result, fmt.Errorf("failed to get plugin settings: %w", err)

pkg/expr/ml_test.go

@@ -13,7 +13,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/grafana/grafana/pkg/expr/ml"
-	"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
+	"github.com/grafana/grafana/pkg/plugins"
 	"github.com/grafana/grafana/pkg/services/user"
 )
 
@@ -139,7 +139,7 @@ func TestMLNodeExecute(t *testing.T) {
 			cfg:         nil,
 			dataService: nil,
 			pCtxProvider: &fakePluginContextProvider{
-				errorResult: plugincontext.ErrPluginNotFound,
+				errorResult: plugins.ErrPluginNotRegistered,
 			},
 			features:      nil,
 			pluginsClient: nil,

pkg/services/live/features/plugin.go

@@ -7,11 +7,11 @@ import (
 	"github.com/centrifugal/centrifuge"
 	"github.com/grafana/grafana-plugin-sdk-go/backend"
 
+	"github.com/grafana/grafana/pkg/plugins"
 	"github.com/grafana/grafana/pkg/services/auth/identity"
 	"github.com/grafana/grafana/pkg/services/live/model"
 	"github.com/grafana/grafana/pkg/services/live/orgchannel"
 	"github.com/grafana/grafana/pkg/services/live/runstream"
-	"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
 )
 
 //go:generate mockgen -destination=plugin_mock.go -package=features github.com/grafana/grafana/pkg/services/live/features PluginContextGetter
@@ -66,7 +66,7 @@ type PluginPathRunner struct {
 func (r *PluginPathRunner) OnSubscribe(ctx context.Context, user identity.Requester, e model.SubscribeEvent) (model.SubscribeReply, backend.SubscribeStreamStatus, error) {
 	pCtx, err := r.pluginContextGetter.GetPluginContext(ctx, user, r.pluginID, r.datasourceUID, false)
 	if err != nil {
-		if errors.Is(err, plugincontext.ErrPluginNotFound) {
+		if errors.Is(err, plugins.ErrPluginNotRegistered) {
 			logger.Error("Plugin context not found", "path", r.path)
 			return model.SubscribeReply{}, 0, centrifuge.ErrorInternal
 		}
@@ -110,7 +110,7 @@ func (r *PluginPathRunner) OnSubscribe(ctx context.Context, user identity.Reques
 func (r *PluginPathRunner) OnPublish(ctx context.Context, user identity.Requester, e model.PublishEvent) (model.PublishReply, backend.PublishStreamStatus, error) {
 	pCtx, err := r.pluginContextGetter.GetPluginContext(ctx, user, r.pluginID, r.datasourceUID, false)
 	if err != nil {
-		if errors.Is(err, plugincontext.ErrPluginNotFound) {
+		if errors.Is(err, plugins.ErrPluginNotRegistered) {
 			logger.Error("Plugin context not found", "path", r.path)
 			return model.PublishReply{}, 0, centrifuge.ErrorInternal
 		}

pkg/services/live/runstream/manager.go

@@ -11,8 +11,8 @@ import (
 	"github.com/grafana/grafana-plugin-sdk-go/backend"
 
 	"github.com/grafana/grafana/pkg/infra/log"
+	"github.com/grafana/grafana/pkg/plugins"
 	"github.com/grafana/grafana/pkg/services/auth/identity"
-	"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
 )
 
 var (
@@ -185,7 +185,7 @@ func (s *Manager) watchStream(ctx context.Context, cancelFn func(), sr streamReq
 				dsUID := sr.PluginContext.DataSourceInstanceSettings.UID
 				pCtx, err := s.pluginContextGetter.GetPluginContext(ctx, sr.user, sr.PluginContext.PluginID, dsUID, false)
 				if err != nil {
-					if errors.Is(err, plugincontext.ErrPluginNotFound) {
+					if errors.Is(err, plugins.ErrPluginNotRegistered) {
 						logger.Debug("Datasource not found, stop stream", "channel", sr.Channel, "path", sr.Path)
 						return
 					}
@@ -286,7 +286,7 @@ func (s *Manager) runStream(ctx context.Context, cancelFn func(), sr streamReque
 			}
 			newPluginCtx, err := s.pluginContextGetter.GetPluginContext(ctx, sr.user, pluginCtx.PluginID, datasourceUID, false)
 			if err != nil {
-				if errors.Is(err, plugincontext.ErrPluginNotFound) {
+				if errors.Is(err, plugins.ErrPluginNotRegistered) {
 					logger.Info("No plugin context found, stopping stream", "path", sr.Path)
 					return
 				}
@@ -410,7 +410,7 @@ func (s *Manager) SubmitStream(ctx context.Context, user identity.Requester, cha
 		}
 		newPluginCtx, err := s.pluginContextGetter.GetPluginContext(ctx, user, pCtx.PluginID, datasourceUID, false)
 		if err != nil {
-			if errors.Is(err, plugincontext.ErrPluginNotFound) {
+			if errors.Is(err, plugins.ErrPluginNotRegistered) {
 				return nil, errDatasourceNotFound
 			}
 			return nil, err

pkg/services/pluginsintegration/plugincontext/plugincontext.go

@@ -29,8 +29,6 @@ const (
 	pluginSettingsCachePrefix = "plugin-setting-"
 )
 
-var ErrPluginNotFound = errors.New("plugin not found")
-
 func ProvideService(cfg *setting.Cfg, cacheService *localcache.CacheService, pluginStore pluginstore.Store,
 	dataSourceService datasources.DataSourceService, pluginSettingsService pluginsettings.Service,
 	licensing plugins.Licensing, pCfg *config.Cfg) *Provider {
@@ -62,7 +60,7 @@ type Provider struct {
 func (p *Provider) Get(ctx context.Context, pluginID string, user identity.Requester, orgID int64) (backend.PluginContext, error) {
 	plugin, exists := p.pluginStore.Plugin(ctx, pluginID)
 	if !exists {
-		return backend.PluginContext{}, ErrPluginNotFound
+		return backend.PluginContext{}, plugins.ErrPluginNotRegistered
 	}
 
 	pCtx := backend.PluginContext{
@@ -97,7 +95,7 @@ func (p *Provider) Get(ctx context.Context, pluginID string, user identity.Reque
 func (p *Provider) GetWithDataSource(ctx context.Context, pluginID string, user identity.Requester, ds *datasources.DataSource) (backend.PluginContext, error) {
 	plugin, exists := p.pluginStore.Plugin(ctx, pluginID)
 	if !exists {
-		return backend.PluginContext{}, ErrPluginNotFound
+		return backend.PluginContext{}, plugins.ErrPluginNotRegistered
 	}
 
 	pCtx := backend.PluginContext{