Initial v1.0.0 commit

pkg/controller/healthcheck/add.go

@@ -0,0 +1,57 @@
+// Copyright (c) 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
+//
+// 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 healthcheck
+
+import (
+	"time"
+
+	"sigs.k8s.io/controller-runtime/pkg/client"
+
+	fleetcontroller "github.com/javamachr/gardener-extension-shoot-fleet-agent/pkg/controller"
+
+	"github.com/gardener/gardener/extensions/pkg/controller/healthcheck"
+	healthcheckconfig "github.com/gardener/gardener/extensions/pkg/controller/healthcheck/config"
+	extensionsv1alpha1 "github.com/gardener/gardener/pkg/apis/extensions/v1alpha1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"sigs.k8s.io/controller-runtime/pkg/manager"
+)
+
+var (
+	defaultSyncPeriod = time.Second * 30
+	// DefaultAddOptions are the default DefaultAddArgs for AddToManager.
+	DefaultAddOptions = healthcheck.DefaultAddArgs{
+		HealthCheckConfig: healthcheckconfig.HealthCheckConfig{SyncPeriod: metav1.Duration{Duration: defaultSyncPeriod}},
+	}
+)
+
+// RegisterHealthChecks registers health checks for each extension resource
+// HealthChecks are grouped by extension (e.g worker), extension.type (e.g aws) and  Health Check Type (e.g SystemComponentsHealthy)
+func RegisterHealthChecks(mgr manager.Manager, opts healthcheck.DefaultAddArgs) error {
+	return healthcheck.DefaultRegistration(
+		fleetcontroller.Type,
+		extensionsv1alpha1.SchemeGroupVersion.WithKind(extensionsv1alpha1.ExtensionResource),
+		func() client.ObjectList { return &extensionsv1alpha1.ExtensionList{} },
+		func() extensionsv1alpha1.Object { return &extensionsv1alpha1.Extension{} },
+		mgr,
+		opts,
+		nil,
+		[]healthcheck.ConditionTypeToHealthCheck{},
+	)
+}
+
+// AddToManager adds a controller with the default Options.
+func AddToManager(mgr manager.Manager) error {
+	return RegisterHealthChecks(mgr, DefaultAddOptions)
+}