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cluster.go
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cluster.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"
ecsv1 "github.com/gosoon/kubernetes-operator/pkg/apis/ecs/v1"
"github.com/gosoon/kubernetes-operator/pkg/enum"
"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) CreateCluster(ctx context.Context, region string, namespace string, name string, clusterInfo *types.EcsClient) error {
clientset := s.opt.KubernetesClusterClientset
if !clusterInfo.Retry {
kubernetesCluster := &ecsv1.KubernetesCluster{
TypeMeta: metav1.TypeMeta{
Kind: "KubernetesCluster",
APIVersion: "ecs.yun.com/v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: clusterInfo.Name,
Namespace: clusterInfo.Namespace,
},
Spec: ecsv1.KubernetesClusterSpec{
Cluster: ecsv1.Cluster{
// TODO: valid ClusterType in admission webhook
TimeoutMins: clusterInfo.TimeoutMins,
ClusterType: ecsv1.ClusterType(clusterInfo.ClusterType),
PodCIDR: clusterInfo.PodCIDR,
ServiceCIDR: clusterInfo.ServiceCIDR,
MasterList: clusterInfo.MasterList,
ExternalLoadBalancer: clusterInfo.ExternalLoadBalancer,
NodeList: clusterInfo.NodeList,
EtcdList: clusterInfo.EtcdList,
Region: region,
KubeVersion: clusterInfo.KubeVersion,
AuthConfig: ecsv1.AuthConfig{
PrivateSSHKey: clusterInfo.PrivateSSHKey,
},
},
},
}
// set annotations
kubernetesCluster.Annotations = map[string]string{
enum.Operation: enum.KubeCreating,
enum.Spec: "",
}
_, err := clientset.EcsV1().KubernetesClusters(namespace).Create(kubernetesCluster)
if err != nil {
glog.Errorf("create %s/%s cluster failed with:%v", namespace, name, err)
return err
}
} else {
// create retry
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 _, existed := kubernetesCluster.Annotations[enum.Operation]; existed {
kubernetesCluster.Annotations[enum.Operation] = enum.KubeCreating
}
_, err = clientset.EcsV1().KubernetesClusters(namespace).Update(kubernetesCluster)
if err != nil {
glog.Errorf("update %s/%s operation to KubeCreating failed with:%v", namespace, name, err)
return err
}
}
return nil
}
func (s *service) DeleteCluster(ctx context.Context, region string, namespace string, name string, clusterInfo *types.EcsClient) 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
}
// only in running,failed,finished can delete cluster
admit := validPhase(kubernetesCluster)
if !admit {
return errors.Errorf("current operation is [%v],only in running,failed can be delete cluster",
kubernetesCluster.Status.Phase)
}
// update operation annotations
kubernetesCluster.Annotations[enum.Operation] = enum.KubeTerminating
_, err = clientset.EcsV1().KubernetesClusters(namespace).Update(kubernetesCluster)
if err != nil {
glog.Errorf("update %s/%s operation to terminating failed with:%v", namespace, name, err)
return err
}
if !clusterInfo.Retry {
// set DeletePropagation to Foreground,apiserver first set cr DeletionTimestamp field
// ref: https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/
p := metav1.DeletePropagationForeground
err = clientset.EcsV1().KubernetesClusters(namespace).Delete(name, &metav1.DeleteOptions{PropagationPolicy: &p})
if err != nil {
glog.Errorf("update %s/%s DeletePropagation failed with:%v", namespace, name, err)
return err
}
}
return nil
}