Feature: Allow to skip plugin loading (#74840)

pkg/services/pluginsintegration/config/config.go

@@ -46,6 +46,7 @@ func ProvideConfig(settingProvider setting.Provider, grafanaCfg *setting.Cfg, fe
 		features,
 		grafanaCfg.AngularSupportEnabled,
 		grafanaCfg.GrafanaComURL,
+		grafanaCfg.DisablePlugins,
 	), nil
 }
 

pkg/services/pluginsintegration/pipeline/pipeline.go

@@ -30,6 +30,9 @@ func ProvideDiscoveryStage(cfg *config.Cfg, pf finder.Finder, pr registry.Servic
 			func(ctx context.Context, _ plugins.Class, b []*plugins.FoundBundle) ([]*plugins.FoundBundle, error) {
 				return discovery.NewDuplicatePluginFilterStep(pr).Filter(ctx, b)
 			},
+			func(_ context.Context, _ plugins.Class, b []*plugins.FoundBundle) ([]*plugins.FoundBundle, error) {
+				return NewDisablePluginsStep(cfg).Filter(b)
+			},
 		},
 	})
 }

pkg/services/pluginsintegration/pipeline/steps.go

@@ -121,3 +121,39 @@ func (v *SignatureValidation) Validate(ctx context.Context, p *plugins.Plugin) e
 
 	return nil
 }
+
+// DisablePlugins is a filter step that will filter out any configured plugins
+type DisablePlugins struct {
+	log log.Logger
+	cfg *config.Cfg
+}
+
+// NewDisablePluginsStep returns a new DisablePlugins.
+func NewDisablePluginsStep(cfg *config.Cfg) *DisablePlugins {
+	return &DisablePlugins{
+		cfg: cfg,
+		log: log.New("plugins.disable"),
+	}
+}
+
+// Filter will filter out any plugins that are marked to be disabled.
+func (c *DisablePlugins) Filter(bundles []*plugins.FoundBundle) ([]*plugins.FoundBundle, error) {
+	if len(c.cfg.DisablePlugins) == 0 {
+		return bundles, nil
+	}
+
+	disablePluginsMap := make(map[string]bool)
+	for _, pluginID := range c.cfg.DisablePlugins {
+		disablePluginsMap[pluginID] = true
+	}
+
+	res := []*plugins.FoundBundle{}
+	for _, bundle := range bundles {
+		if disablePluginsMap[bundle.Primary.JSONData.ID] {
+			c.log.Debug("Disabling plugin load", "pluginID", bundle.Primary.JSONData.ID)
+		} else {
+			res = append(res, bundle)
+		}
+	}
+	return res, nil
+}

pkg/services/pluginsintegration/pipeline/steps_test.go

@@ -0,0 +1,45 @@
+package pipeline
+
+import (
+	"testing"
+
+	"github.com/grafana/grafana/pkg/plugins"
+	"github.com/grafana/grafana/pkg/plugins/config"
+	"github.com/stretchr/testify/require"
+)
+
+func TestSkipPlugins(t *testing.T) {
+	cfg := &config.Cfg{
+		DisablePlugins: []string{"plugin1", "plugin2"},
+	}
+	s := NewDisablePluginsStep(cfg)
+
+	bundles := []*plugins.FoundBundle{
+		{
+			Primary: plugins.FoundPlugin{
+				JSONData: plugins.JSONData{
+					ID: "plugin1",
+				},
+			},
+		},
+		{
+			Primary: plugins.FoundPlugin{
+				JSONData: plugins.JSONData{
+					ID: "plugin2",
+				},
+			},
+		},
+		{
+			Primary: plugins.FoundPlugin{
+				JSONData: plugins.JSONData{
+					ID: "plugin3",
+				},
+			},
+		},
+	}
+
+	filtered, err := s.Filter(bundles)
+	require.NoError(t, err)
+	require.Len(t, filtered, 1)
+	require.Equal(t, filtered[0].Primary.JSONData.ID, "plugin3")
+}