Plugins: API sync (#112452)

pkg/services/apiserver/clientgenerator.go

@@ -0,0 +1,41 @@
+package apiserver
+
+import (
+	"context"
+	"sync"
+
+	"github.com/grafana/grafana-app-sdk/k8s"
+	"github.com/grafana/grafana-app-sdk/resource"
+)
+
+// ProvideClientGenerator creates a lazy-initialized ClientGenerator.
+func ProvideClientGenerator(restConfigProvider RestConfigProvider) resource.ClientGenerator {
+	return &lazyClientGenerator{
+		restConfigProvider: restConfigProvider,
+	}
+}
+
+type lazyClientGenerator struct {
+	restConfigProvider RestConfigProvider
+	clientGenerator    resource.ClientGenerator
+	initOnce           sync.Once
+	initError          error
+}
+
+func (g *lazyClientGenerator) ClientFor(kind resource.Kind) (resource.Client, error) {
+	g.initOnce.Do(func() {
+		restConfig, err := g.restConfigProvider.GetRestConfig(context.Background())
+		if err != nil {
+			g.initError = err
+			return
+		}
+		restConfig.APIPath = "apis"
+		g.clientGenerator = k8s.NewClientRegistry(*restConfig, k8s.DefaultClientConfig())
+	})
+
+	if g.initError != nil {
+		return nil, g.initError
+	}
+
+	return g.clientGenerator.ClientFor(kind)
+}

pkg/services/apiserver/wireset.go

@@ -15,4 +15,5 @@ var WireSet = wire.NewSet(
 	ProvideService,
 	wire.Bind(new(Service), new(*service)),
 	wire.Bind(new(builder.APIRegistrar), new(*service)),
+	ProvideClientGenerator,
 )