Plugins: Add app (#108422)

2025-08-06 13:09:10 -04:00
parent 1f76765ed7
commit ce2697bb07
37 changed files with 2923 additions and 11 deletions
@@ -0,0 +1,76 @@
+package plugins
+
+import (
+	"github.com/grafana/grafana-app-sdk/app"
+	appsdkapiserver "github.com/grafana/grafana-app-sdk/k8s/apiserver"
+	"github.com/grafana/grafana-app-sdk/simple"
+	"github.com/grafana/grafana/apps/plugins/pkg/apis"
+	"github.com/grafana/grafana/pkg/services/apiserver/appinstaller"
+	"github.com/grafana/grafana/pkg/services/apiserver/endpoints/request"
+	"github.com/grafana/grafana/pkg/services/featuremgmt"
+	"github.com/grafana/grafana/pkg/setting"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apiserver/pkg/authorization/authorizer"
+	"k8s.io/apiserver/pkg/registry/generic"
+	"k8s.io/apiserver/pkg/registry/rest"
+	restclient "k8s.io/client-go/rest"
+
+	pluginsv0alpha1 "github.com/grafana/grafana/apps/plugins/pkg/apis/plugins/v0alpha1"
+	pluginsapp "github.com/grafana/grafana/apps/plugins/pkg/app"
+)
+
+var (
+	_ appsdkapiserver.AppInstaller    = (*PluginsAppInstaller)(nil)
+	_ appinstaller.AuthorizerProvider = (*PluginsAppInstaller)(nil)
+)
+
+type PluginsAppInstaller struct {
+	appsdkapiserver.AppInstaller
+	cfg *setting.Cfg
+}
+
+func RegisterAppInstaller(
+	cfg *setting.Cfg,
+	features featuremgmt.FeatureToggles,
+) (*PluginsAppInstaller, error) {
+	installer := &PluginsAppInstaller{
+		cfg: cfg,
+	}
+	specificConfig := any(nil)
+	provider := simple.NewAppProvider(apis.LocalManifest(), specificConfig, pluginsapp.New)
+	appConfig := app.Config{
+		KubeConfig:     restclient.Config{}, // this will be overridden by the installer's InitializeApp method
+		ManifestData:   *apis.LocalManifest().ManifestData,
+		SpecificConfig: specificConfig,
+	}
+	i, err := appsdkapiserver.NewDefaultAppInstaller(provider, appConfig, apis.ManifestGoTypeAssociator, apis.ManifestCustomRouteResponsesAssociator)
+	if err != nil {
+		return nil, err
+	}
+	installer.AppInstaller = i
+	return installer, nil
+}
+
+func (p *PluginsAppInstaller) InstallAPIs(
+	server appsdkapiserver.GenericAPIServer,
+	restOptsGetter generic.RESTOptionsGetter,
+) error {
+	pluginMetaGVR := schema.GroupVersionResource{
+		Group:    pluginsv0alpha1.GroupVersion.Group,
+		Version:  pluginsv0alpha1.GroupVersion.Version,
+		Resource: pluginsv0alpha1.PluginMetaKind().Plural(),
+	}
+	replacedStorage := map[schema.GroupVersionResource]rest.Storage{
+		pluginMetaGVR: pluginsapp.NewPluginMetaStorage(request.GetNamespaceMapper(p.cfg)),
+	}
+	wrappedServer := &customStorageWrapper{
+		wrapped: server,
+		replace: replacedStorage,
+	}
+	return p.AppInstaller.InstallAPIs(wrappedServer, restOptsGetter)
+}
+
+// GetAuthorizer returns the authorizer for the plugins app.
+func (p *PluginsAppInstaller) GetAuthorizer() authorizer.Authorizer {
+	return pluginsapp.GetAuthorizer()
+}
@@ -0,0 +1,32 @@
+package plugins
+
+import (
+	"fmt"
+
+	appsdkapiserver "github.com/grafana/grafana-app-sdk/k8s/apiserver"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apiserver/pkg/registry/rest"
+	genericserver "k8s.io/apiserver/pkg/server"
+)
+
+var _ appsdkapiserver.GenericAPIServer = (*customStorageWrapper)(nil)
+
+type customStorageWrapper struct {
+	wrapped appsdkapiserver.GenericAPIServer
+	replace map[schema.GroupVersionResource]rest.Storage
+}
+
+func (c *customStorageWrapper) InstallAPIGroup(
+	apiGroupInfo *genericserver.APIGroupInfo,
+) error {
+	if apiGroupInfo == nil || apiGroupInfo.VersionedResourcesStorageMap == nil {
+		return fmt.Errorf("apiGroupInfo cannot be nil")
+	}
+	for gvr, storage := range c.replace {
+		if _, ok := apiGroupInfo.VersionedResourcesStorageMap[gvr.Version]; !ok {
+			apiGroupInfo.VersionedResourcesStorageMap[gvr.Version] = map[string]rest.Storage{}
+		}
+		apiGroupInfo.VersionedResourcesStorageMap[gvr.Version][gvr.Resource] = storage
+	}
+	return c.wrapped.InstallAPIGroup(apiGroupInfo)
+}