/
statefulset.go
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/
statefulset.go
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// Copyright (c) 2021 Terminus, Inc.
//
// 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 kubernetes
import (
"context"
"fmt"
appsv1 "k8s.io/api/apps/v1"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// ListStatefulSet List statefulSet under the specified cluster and namespace.
func (k *Kubernetes) ListStatefulSet(clusterName, namespace string) (*appsv1.StatefulSetList, error) {
client, err := k.getK8sClient(clusterName)
if err != nil {
return nil, fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
}
cmList, err := client.ClientSet.AppsV1().StatefulSets(namespace).List(context.Background(), v1.ListOptions{})
if err != nil {
return nil, fmt.Errorf("cluster %s list statefulSet(namespace: %s) error, %v", clusterName, namespace, err)
}
return cmList, nil
}
// GetStatefulSet Get statefulSet under the specified cluster and namespace.
func (k *Kubernetes) GetStatefulSet(clusterName, namespace, statefulSetName string) (*appsv1.StatefulSet, error) {
client, err := k.getK8sClient(clusterName)
if err != nil {
return nil, fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
}
cm, err := client.ClientSet.AppsV1().StatefulSets(namespace).Get(context.Background(), statefulSetName, v1.GetOptions{})
if err != nil {
return nil, fmt.Errorf("cluster %s get statefulSet(namespace: %s) %s error, %v", clusterName, namespace, statefulSetName, err)
}
return cm, nil
}
// CreateStatefulSet Crate statefulSet on specified cluster and namespace.
func (k *Kubernetes) CreateStatefulSet(clusterName, namespace string, cm *appsv1.StatefulSet) error {
if cm == nil {
return fmt.Errorf("statefulSet entity can't be nil")
}
client, err := k.getK8sClient(clusterName)
if err != nil {
return fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
}
_, err = client.ClientSet.AppsV1().StatefulSets(namespace).Create(context.Background(), cm, v1.CreateOptions{})
if err != nil {
return fmt.Errorf("cluster %s create statefulSet(namespace: %s) %s error, %v", clusterName, namespace, cm.Name, err)
}
return nil
}
// DeleteStatefulSet Delete statefulSet on specified cluster and namespace.
func (k *Kubernetes) DeleteStatefulSet(clusterName, namespace, statefulSetName string) error {
client, err := k.getK8sClient(clusterName)
if err != nil {
return fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
}
err = client.ClientSet.AppsV1().StatefulSets(namespace).Delete(context.Background(), statefulSetName, v1.DeleteOptions{})
if err != nil {
return fmt.Errorf("cluster %s delete statefulSet(namespace: %s) %s error, %v", clusterName, namespace, statefulSetName, err)
}
return nil
}
// UpdateStatefulSet Update statefulSet on specified cluster and namespace.
func (k *Kubernetes) UpdateStatefulSet(clusterName, namespace string, cm *appsv1.StatefulSet) error {
if cm == nil {
return fmt.Errorf("statefulSet entity can't be nil")
}
client, err := k.getK8sClient(clusterName)
if err != nil {
return fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
}
_, err = client.ClientSet.AppsV1().StatefulSets(namespace).Update(context.Background(), cm, v1.UpdateOptions{})
if err != nil {
return fmt.Errorf("cluster %s update statefulSet(namespace: %s) %s error, %v", clusterName, namespace, cm.Name, err)
}
return nil
}