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callback.go
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callback.go
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/*
* Copyright 2019 gosoon.
*
* 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 service
import (
"context"
"encoding/json"
"fmt"
"github.com/gosoon/kubernetes-operator/pkg/enum"
"github.com/gosoon/kubernetes-operator/pkg/kuberesource"
"github.com/gosoon/kubernetes-operator/pkg/types"
"github.com/gosoon/glog"
"github.com/pkg/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func (s *service) CreateClusterCallback(ctx context.Context, region string, namespace string, name string, result *types.Callback) error {
clientset := s.opt.KubernetesClusterClientset
kubernetesCluster, err := clientset.EcsV1().KubernetesClusters(namespace).Get(name, metav1.GetOptions{})
if err != nil {
glog.Errorf("get %s/%s cluster failed with:%v", namespace, name, err)
return err
}
// if already callback and return
if kubernetesCluster.Status.Phase != enum.Creating {
return errors.Errorf("job timeout or callback is already done.Current phase(%v) not is creating", kubernetesCluster.Status.Phase)
}
// if job failed,get the detail log from job's pod
if !result.Success {
// update operation annotations
if _, existed := kubernetesCluster.Annotations[enum.Operation]; existed {
kubernetesCluster.Annotations[enum.Operation] = enum.KubeCreateFailed
}
_, err = clientset.EcsV1().KubernetesClusters(namespace).Update(kubernetesCluster)
if err != nil {
glog.Errorf("update %s/%s operation to KubeCreateFailed failed with:%v", namespace, name, err)
return err
}
return nil
}
// save kubeconfig to configmap
configmap := kuberesource.NewConfigMap(kubernetesCluster)
configmap.Name = fmt.Sprintf("%v-%v-kubeconfig", namespace, name)
configmap.Data = map[string]string{"kubeconfig": result.KubeConfig}
_, err = s.opt.KubeClientset.CoreV1().ConfigMaps(namespace).Create(configmap)
if err != nil {
glog.Errorf("create %s/%s kubeconfig configMap failed with:%v", namespace, name, err)
return err
}
// update operation annotations
if _, existed := kubernetesCluster.Annotations[enum.Operation]; existed {
kubernetesCluster.Annotations[enum.Operation] = enum.KubeCreateFinished
}
// update spec annotations
if _, existed := kubernetesCluster.Annotations[enum.Spec]; existed {
specBytes, err := json.Marshal(kubernetesCluster.Spec)
if err != nil {
glog.Errorf("marshal cluster spec field failed with :%v", err)
return err
}
kubernetesCluster.Annotations[enum.Spec] = string(specBytes)
}
_, err = clientset.EcsV1().KubernetesClusters(namespace).Update(kubernetesCluster)
if err != nil {
glog.Errorf("update %s/%s operation to KubeCreateFinished failed with:%v", namespace, name, err)
return err
}
return nil
}
func (s *service) ScaleUpCallback(ctx context.Context, region string, namespace string, name string, result *types.Callback) error {
clientset := s.opt.KubernetesClusterClientset
kubernetesCluster, err := clientset.EcsV1().KubernetesClusters(namespace).Get(name, metav1.GetOptions{})
if err != nil {
glog.Errorf("get %s/%s cluster failed with:%v", namespace, name, err)
return err
}
// if already callback or job failed ... and return
if kubernetesCluster.Status.Phase != enum.Scaling {
return errors.Errorf("job timeout or callback is already done.Current phase(%v) not is scaling", kubernetesCluster.Status.Phase)
}
// if job failed,get the detail log from job's pod log
if !result.Success {
// update operation annotations
kubernetesCluster.Annotations[enum.Operation] = enum.KubeScaleUpFailed
_, err = clientset.EcsV1().KubernetesClusters(namespace).Update(kubernetesCluster)
if err != nil {
glog.Errorf("update %s/%s operation to KubeScaleUpFailed failed with:%v", namespace, name, err)
return err
}
return nil
}
// update operation annotations
kubernetesCluster.Annotations[enum.Operation] = enum.KubeScaleUpFinished
// update spec annotations
if _, existed := kubernetesCluster.Annotations[enum.Spec]; existed {
specBytes, err := json.Marshal(kubernetesCluster.Spec)
if err != nil {
glog.Errorf("marshal cluster spec field failed with :%v", err)
return err
}
kubernetesCluster.Annotations[enum.Spec] = string(specBytes)
}
_, err = clientset.EcsV1().KubernetesClusters(namespace).Update(kubernetesCluster)
if err != nil {
glog.Errorf("update %s/%s operation to KubeScaleUpFinished failed with:%v", namespace, name, err)
return err
}
return nil
}
func (s *service) ScaleDownCallback(ctx context.Context, region string, namespace string, name string, result *types.Callback) error {
clientset := s.opt.KubernetesClusterClientset
kubernetesCluster, err := clientset.EcsV1().KubernetesClusters(namespace).Get(name, metav1.GetOptions{})
if err != nil {
glog.Errorf("get %s/%s cluster failed with:%v", namespace, name, err)
return err
}
// if already callback or job failed ... and return
if kubernetesCluster.Status.Phase != enum.Scaling {
return errors.Errorf("job timeout or callback is already done.Current phase(%v) not is scaling", kubernetesCluster.Status.Phase)
}
// if job failed,get the detail log from job's pod
if !result.Success {
// update operation annotations
kubernetesCluster.Annotations[enum.Operation] = enum.KubeScaleDownFailed
_, err = clientset.EcsV1().KubernetesClusters(namespace).Update(kubernetesCluster)
if err != nil {
glog.Errorf("update %s/%s operation to KubeScaleDownFailed failed with:%v", namespace, name, err)
return err
}
return nil
}
// update operation annotations
kubernetesCluster.Annotations[enum.Operation] = enum.KubeScaleDownFinished
// update spec annotations
if _, existed := kubernetesCluster.Annotations[enum.Spec]; existed {
specBytes, err := json.Marshal(kubernetesCluster.Spec)
if err != nil {
glog.Errorf("marshal cluster spec field failed with :%v", err)
return err
}
kubernetesCluster.Annotations[enum.Spec] = string(specBytes)
}
_, err = clientset.EcsV1().KubernetesClusters(namespace).Update(kubernetesCluster)
if err != nil {
glog.Errorf("update %s/%s operation to KubeScaleDownFinished failed with:%v", namespace, name, err)
return err
}
return nil
}
func (s *service) DeleteClusterCallback(ctx context.Context, region string, namespace string, name string, result *types.Callback) error {
clientset := s.opt.KubernetesClusterClientset
kubernetesCluster, err := clientset.EcsV1().KubernetesClusters(namespace).Get(name, metav1.GetOptions{})
if err != nil {
glog.Errorf("get %s/%s cluster failed with:%v", namespace, name, err)
return err
}
// if already callback or job failed ... and return
if kubernetesCluster.Status.Phase != enum.Terminating {
return errors.Errorf("job timeout or callback is already done.Current phase(%v) not is terminating", kubernetesCluster.Status.Phase)
}
// if job failed,get the detail log from job's pod
if !result.Success {
// update operation annotations
kubernetesCluster.Annotations[enum.Operation] = enum.KubeTerminateFailed
_, err = clientset.EcsV1().KubernetesClusters(namespace).Update(kubernetesCluster)
if err != nil {
glog.Errorf("update %s/%s operation to KubeTerminateFailed failed with:%v", namespace, name, err)
return err
}
return nil
}
kubernetesCluster.Finalizers = []string{}
// update finalizers to null
_, err = clientset.EcsV1().KubernetesClusters(namespace).Update(kubernetesCluster)
if err != nil {
glog.Errorf("update %s/%s finalizers to nil failed with:%v", namespace, name, err)
return err
}
return nil
}