add helm operator sdk and gateway helm chart

Signed-off-by: Roland.Ma <rolandma@yunify.com>

pkg/controller/helm/helm_controller.go

@@ -0,0 +1,78 @@
+/*
+Copyright 2021 The KubeSphere Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package helm
+
+import (
+	"runtime"
+	"time"
+
+	"k8s.io/klog"
+	ctrl "sigs.k8s.io/controller-runtime"
+
+	"github.com/operator-framework/helm-operator-plugins/pkg/annotation"
+	"github.com/operator-framework/helm-operator-plugins/pkg/reconciler"
+	"github.com/operator-framework/helm-operator-plugins/pkg/watches"
+)
+
+type Reconciler struct {
+	WatchFiles []string
+}
+
+// SetupWithManager creates reconilers for each helm package that defined in the WatchFiles.
+func (r *Reconciler) SetupWithManager(mgr ctrl.Manager) error {
+	var watchKinds []watches.Watch
+	for _, file := range r.WatchFiles {
+		ws, err := watches.Load(file)
+		if err != nil {
+			return err
+		}
+		watchKinds = append(watchKinds, ws...)
+	}
+
+	for _, w := range watchKinds {
+		// Register controller with the factory
+		reconcilePeriod := time.Minute
+		if w.ReconcilePeriod != nil {
+			reconcilePeriod = w.ReconcilePeriod.Duration
+		}
+
+		maxConcurrentReconciles := runtime.NumCPU()
+		if w.MaxConcurrentReconciles != nil {
+			maxConcurrentReconciles = *w.MaxConcurrentReconciles
+		}
+
+		r, err := reconciler.New(
+			reconciler.WithChart(*w.Chart),
+			reconciler.WithGroupVersionKind(w.GroupVersionKind),
+			reconciler.WithOverrideValues(w.OverrideValues),
+			reconciler.SkipDependentWatches(w.WatchDependentResources != nil && !*w.WatchDependentResources),
+			reconciler.WithMaxConcurrentReconciles(maxConcurrentReconciles),
+			reconciler.WithReconcilePeriod(reconcilePeriod),
+			reconciler.WithInstallAnnotations(annotation.DefaultInstallAnnotations...),
+			reconciler.WithUpgradeAnnotations(annotation.DefaultUpgradeAnnotations...),
+			reconciler.WithUninstallAnnotations(annotation.DefaultUninstallAnnotations...),
+		)
+		if err != nil {
+			return err
+		}
+		if err := r.SetupWithManager(mgr); err != nil {
+			return err
+		}
+		klog.Info("configured watch", "gvk", w.GroupVersionKind, "chartPath", w.ChartPath, "maxConcurrentReconciles", maxConcurrentReconciles, "reconcilePeriod", reconcilePeriod)
+	}
+	return nil
+}