i18n: wires up translations for plugins (#102853)

* i18n: consolidate i18n types & runtime services

* Chore: updates after PR feedback

* Chore: updates after feedback

* Chore: updates after feedback

* Chore: adds feature toggle

* Chore: adds locale to backend

* Chore: adds locales to i18n instance

* Chore: fix missing path in CODEOWNERS

* Chore: fix go lint issues

* Chore: fix missing path in CODEOWNERS

* Chore: updates after PR feedback

* Trigger build

* Chore: updates after PR feedback

* Chore: use resolved language for lookup

* Chore: updates after PR feedback

* Update pkg/plugins/plugins.go

Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>

* Chore: updates after PR feedback

* Chore: updates after PR feedback

---------

Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>

pkg/services/pluginsintegration/pipeline/pipeline.go

@@ -44,7 +44,7 @@ func ProvideDiscoveryStage(cfg *config.PluginManagementCfg, pf finder.Finder, pr
 
 func ProvideBootstrapStage(cfg *config.PluginManagementCfg, sc plugins.SignatureCalculator, a *assetpath.Service) *bootstrap.Bootstrap {
 	return bootstrap.New(cfg, bootstrap.Opts{
-		ConstructFunc: bootstrap.DefaultConstructFunc(sc, a),
+		ConstructFunc: bootstrap.DefaultConstructFunc(cfg, sc, a),
 		DecorateFuncs: bootstrap.DefaultDecorateFuncs(cfg),
 	})
 }

pkg/services/pluginsintegration/pluginconfig/config.go

@@ -34,6 +34,7 @@ func ProvidePluginManagementConfig(cfg *setting.Cfg, settingProvider setting.Pro
 			SkipHostEnvVarsEnabled:      features.IsEnabledGlobally(featuremgmt.FlagPluginsSkipHostEnvVars),
 			SriChecksEnabled:            features.IsEnabledGlobally(featuremgmt.FlagPluginsSriChecks),
 			PluginsCDNSyncLoaderEnabled: features.IsEnabledGlobally(featuremgmt.FlagPluginsCDNSyncLoader),
+			LocalizationForPlugins:      features.IsEnabledGlobally(featuremgmt.FlagLocalizationForPlugins),
 		},
 		cfg.AngularSupportEnabled,
 		cfg.GrafanaComAPIURL,

pkg/services/pluginsintegration/pluginstore/plugins.go

@@ -35,6 +35,8 @@ type Plugin struct {
 	Angular plugins.AngularMeta
 
 	ExternalService *auth.ExternalService
+
+	Translations map[string]string
 }
 
 func (p Plugin) SupportsStreaming() bool {
@@ -76,6 +78,7 @@ func ToGrafanaDTO(p *plugins.Plugin) Plugin {
 		BaseURL:           p.BaseURL,
 		ExternalService:   p.ExternalService,
 		Angular:           p.Angular,
+		Translations:      p.Translations,
 	}
 
 	if p.Parent != nil {

pkg/services/pluginsintegration/pluginstore/plugins_test.go

@@ -0,0 +1,22 @@
+package pluginstore
+
+import (
+	"testing"
+
+	"github.com/grafana/grafana/pkg/plugins"
+	"github.com/stretchr/testify/require"
+)
+
+func TestToGrafanaDTO(t *testing.T) {
+	plugin := &plugins.Plugin{
+		Translations: map[string]string{
+			"en-US": "public/plugins/test-app/locales/en-US/test-app.json",
+			"pt-BR": "public/plugins/test-app/locales/pt-BR/test-app.json",
+		},
+	}
+
+	t.Run("Translations", func(t *testing.T) {
+		dto := ToGrafanaDTO(plugin)
+		require.Equal(t, plugin.Translations, dto.Translations)
+	})
+}