forked from rook/rook
Alexander Trost
8bc26d9096
All usages of k8s go client are now also using the versioned `AppsV1() ` call for the client. Updated MySQL and Wordpress, and Kube Registy examples to use apps/v1 Deployments. Signed-off-by: Alexander Trost <galexrt@googlemail.com>
69 lines
2.1 KiB
Go
69 lines
2.1 KiB
Go
/*
|
|
Copyright 2019 The Rook Authors. All rights reserved.
|
|
|
|
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 k8sutil
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
apps "k8s.io/api/apps/v1"
|
|
corev1 "k8s.io/api/core/v1"
|
|
k8serrors "k8s.io/apimachinery/pkg/api/errors"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/client-go/kubernetes"
|
|
)
|
|
|
|
// make a headless svc for statefulset
|
|
func makeHeadlessSvc(name, namespace string, label map[string]string, clientset kubernetes.Interface) (*corev1.Service, error) {
|
|
svc := &corev1.Service{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: name,
|
|
Namespace: namespace,
|
|
Labels: label,
|
|
},
|
|
Spec: corev1.ServiceSpec{
|
|
Selector: label,
|
|
Ports: []corev1.ServicePort{{Name: "dummy", Port: 1234}},
|
|
},
|
|
}
|
|
|
|
_, err := clientset.CoreV1().Services(namespace).Create(svc)
|
|
if err != nil && !k8serrors.IsAlreadyExists(err) {
|
|
return nil, fmt.Errorf("failed to create %s headless service. %+v", name, err)
|
|
}
|
|
return svc, nil
|
|
}
|
|
|
|
// create a apps.statefulset and a headless svc
|
|
func CreateStatefulSet(name, namespace, appName string, clientset kubernetes.Interface, ss *apps.StatefulSet) (*corev1.Service, error) {
|
|
label := ss.GetLabels()
|
|
svc, err := makeHeadlessSvc(appName, namespace, label, clientset)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to start %s service: %v\n%v", name, err, ss)
|
|
}
|
|
|
|
_, err = clientset.AppsV1().StatefulSets(namespace).Create(ss)
|
|
if err != nil {
|
|
if k8serrors.IsAlreadyExists(err) {
|
|
_, err = clientset.AppsV1().StatefulSets(namespace).Update(ss)
|
|
}
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to start %s statefulset: %v\n%v", name, err, ss)
|
|
}
|
|
}
|
|
return svc, err
|
|
}
|