add controllers

change kiali mux to go-restful

add knative

cmd/controller-manager/app/controllers.go

@@ -0,0 +1,86 @@
+package app
+
+import (
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/rest"
+	"kubesphere.io/kubesphere/pkg/controller/destinationrule"
+	"kubesphere.io/kubesphere/pkg/controller/virtualservice"
+	"kubesphere.io/kubesphere/pkg/informers"
+	"kubesphere.io/kubesphere/pkg/simple/controller/namespace"
+	"sigs.k8s.io/controller-runtime/pkg/manager"
+	"time"
+
+	logf "sigs.k8s.io/controller-runtime/pkg/runtime/log"
+
+	istioclientset "github.com/knative/pkg/client/clientset/versioned"
+	istioinformers "github.com/knative/pkg/client/informers/externalversions"
+	servicemeshclientset "kubesphere.io/kubesphere/pkg/client/clientset/versioned"
+	servicemeshinformers "kubesphere.io/kubesphere/pkg/client/informers/externalversions"
+)
+
+const defaultResync = 600 * time.Second
+
+var log = logf.Log.WithName("controller-manager")
+
+func AddControllers(mgr manager.Manager, cfg *rest.Config, stopCh <-chan struct{}) error {
+
+	kubeClient, err := kubernetes.NewForConfig(cfg)
+	if err != nil {
+		log.Error(err, "building kubernetes client failed")
+	}
+
+	istioclient, err := istioclientset.NewForConfig(cfg)
+	if err != nil {
+		log.Error(err, "create istio client failed")
+		return err
+	}
+
+	informerFactory := informers.SharedInformerFactory()
+	istioInformer := istioinformers.NewSharedInformerFactory(istioclient, defaultResync)
+
+	servicemeshclient, err := servicemeshclientset.NewForConfig(cfg)
+	if err != nil {
+		log.Error(err, "create servicemesh client failed")
+		return err
+	}
+
+	servicemeshinformer := servicemeshinformers.NewSharedInformerFactory(servicemeshclient, defaultResync)
+
+	vsController := virtualservice.NewVirtualServiceController(informerFactory.Core().V1().Services(),
+		istioInformer.Networking().V1alpha3().VirtualServices(),
+		istioInformer.Networking().V1alpha3().DestinationRules(),
+		servicemeshinformer.Servicemesh().V1alpha2().Strategies(),
+		kubeClient,
+		istioclient)
+
+	drController := destinationrule.NewDestinationRuleController(informerFactory.Apps().V1().Deployments(),
+		istioInformer.Networking().V1alpha3().DestinationRules(),
+		informerFactory.Core().V1().Services(),
+		kubeClient,
+		istioclient)
+
+	nsController := namespace.NewNamespaceController(kubeClient,
+		informerFactory.Core().V1().Namespaces(),
+		informerFactory.Rbac().V1().Roles(),
+	)
+
+	servicemeshinformer.Start(stopCh)
+	istioInformer.Start(stopCh)
+	informerFactory.Start(stopCh)
+
+	controllers := map[string]manager.Runnable{
+		"virtualservice-controller":  vsController,
+		"destinationrule-controller": drController,
+		"namespace-controller":       nsController,
+	}
+
+	for name, ctrl := range controllers {
+		err = mgr.Add(ctrl)
+		if err != nil {
+			log.Error(err, "add controller to manager failed", "name", name)
+			return err
+		}
+	}
+
+	return nil
+}

cmd/controller-manager/app/helper.go

@@ -0,0 +1,38 @@
+package app
+
+import (
+	"fmt"
+	"k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
+	"k8s.io/apimachinery/pkg/util/wait"
+	"k8s.io/klog"
+	"net/http"
+	"time"
+)
+
+// WaitForAPIServer waits for the API Server's /healthz endpoint to report "ok" with timeout.
+func WaitForAPIServer(client clientset.Interface, timeout time.Duration) error {
+	var lastErr error
+
+	err := wait.PollImmediate(time.Second, timeout, func() (bool, error) {
+		healthStatus := 0
+		result := client.Discovery().RESTClient().Get().AbsPath("/healthz").Do().StatusCode(&healthStatus)
+		if result.Error() != nil {
+			lastErr = fmt.Errorf("failed to get apiserver /healthz status: %v", result.Error())
+			return false, nil
+		}
+		if healthStatus != http.StatusOK {
+			content, _ := result.Raw()
+			lastErr = fmt.Errorf("APIServer isn't healthy: %v", string(content))
+			klog.Warningf("APIServer isn't healthy yet: %v. Waiting a little while.", string(content))
+			return false, nil
+		}
+
+		return true, nil
+	})
+
+	if err != nil {
+		return fmt.Errorf("%v: %v", err, lastErr)
+	}
+
+	return nil
+}