Initial v1.0.0 commit

vendor/github.com/gardener/gardener-resource-manager/pkg/manager/managedresources.go

@@ -0,0 +1,120 @@
+// 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 manager
+
+import (
+	"context"
+
+	resourcesv1alpha1 "github.com/gardener/gardener-resource-manager/pkg/apis/resources/v1alpha1"
+
+	corev1 "k8s.io/api/core/v1"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
+)
+
+type ManagedResource struct {
+	client   client.Client
+	resource *resourcesv1alpha1.ManagedResource
+}
+
+func NewManagedResource(client client.Client) *ManagedResource {
+	return &ManagedResource{
+		client:   client,
+		resource: &resourcesv1alpha1.ManagedResource{},
+	}
+}
+
+func (m *ManagedResource) WithNamespacedName(namespace, name string) *ManagedResource {
+	m.resource.Namespace = namespace
+	m.resource.Name = name
+	return m
+}
+
+func (m *ManagedResource) WithLabels(labels map[string]string) *ManagedResource {
+	m.resource.Labels = labels
+	return m
+}
+
+func (m *ManagedResource) WithAnnotations(annotations map[string]string) *ManagedResource {
+	m.resource.Annotations = annotations
+	return m
+}
+
+func (m *ManagedResource) WithClass(name string) *ManagedResource {
+	if name == "" {
+		m.resource.Spec.Class = nil
+	} else {
+		m.resource.Spec.Class = &name
+	}
+	return m
+}
+
+func (m *ManagedResource) WithSecretRef(secretRefName string) *ManagedResource {
+	m.resource.Spec.SecretRefs = append(m.resource.Spec.SecretRefs, corev1.LocalObjectReference{Name: secretRefName})
+	return m
+}
+
+func (m *ManagedResource) WithSecretRefs(secretRefs []corev1.LocalObjectReference) *ManagedResource {
+	m.resource.Spec.SecretRefs = append(m.resource.Spec.SecretRefs, secretRefs...)
+	return m
+}
+
+func (m *ManagedResource) WithInjectedLabels(labelsToInject map[string]string) *ManagedResource {
+	m.resource.Spec.InjectLabels = labelsToInject
+	return m
+}
+
+func (m *ManagedResource) ForceOverwriteAnnotations(v bool) *ManagedResource {
+	m.resource.Spec.ForceOverwriteAnnotations = &v
+	return m
+}
+
+func (m *ManagedResource) ForceOverwriteLabels(v bool) *ManagedResource {
+	m.resource.Spec.ForceOverwriteLabels = &v
+	return m
+}
+
+func (m *ManagedResource) KeepObjects(v bool) *ManagedResource {
+	m.resource.Spec.KeepObjects = &v
+	return m
+}
+
+func (m *ManagedResource) DeletePersistentVolumeClaims(v bool) *ManagedResource {
+	m.resource.Spec.DeletePersistentVolumeClaims = &v
+	return m
+}
+
+func (m *ManagedResource) Reconcile(ctx context.Context) error {
+	resource := &resourcesv1alpha1.ManagedResource{
+		ObjectMeta: metav1.ObjectMeta{Name: m.resource.Name, Namespace: m.resource.Namespace},
+	}
+
+	_, err := controllerutil.CreateOrUpdate(ctx, m.client, resource, func() error {
+		resource.Labels = m.resource.Labels
+		resource.Annotations = m.resource.Annotations
+		resource.Spec = m.resource.Spec
+		return nil
+	})
+	return err
+}
+
+func (m *ManagedResource) Delete(ctx context.Context) error {
+	if err := m.client.Delete(ctx, m.resource); err != nil && !apierrors.IsNotFound(err) {
+		return err
+	}
+	return nil
+}