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delete.go
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delete.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package cluster
import (
"context"
"time"
"k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/util/wait"
platformv1client "tkestack.io/tke/api/client/clientset/versioned/typed/platform/v1"
"tkestack.io/tke/pkg/platform/provider/baremetal/phases/kubeadm"
"tkestack.io/tke/pkg/platform/provider/util/mark"
typesv1 "tkestack.io/tke/pkg/platform/types/v1"
v1 "tkestack.io/tke/pkg/platform/types/v1"
"tkestack.io/tke/pkg/util/apiclient"
"tkestack.io/tke/pkg/util/log"
)
func (p *Provider) EnsureCleanClusterMark(ctx context.Context, c *typesv1.Cluster) error {
if clientset, err := c.Clientset(); err == nil {
mark.Delete(ctx, clientset)
}
return nil
}
func (p *Provider) EnsureRemoveETCDMember(ctx context.Context, c *v1.Cluster) error {
for _, machine := range c.Spec.ScalingMachines {
machineSSH, err := machine.SSH()
if err != nil {
return err
}
err = kubeadm.Reset(machineSSH, "remove-etcd-member")
if err != nil {
return err
}
}
return nil
}
func (p *Provider) EnsureRemoveNode(ctx context.Context, c *v1.Cluster) error {
client, err := c.Clientset()
if err != nil {
return err
}
for _, machine := range c.Spec.ScalingMachines {
node, err := apiclient.GetNodeByMachineIP(ctx, client, machine.IP)
if err != nil {
if !errors.IsNotFound(err) {
return err
}
return nil
}
err = client.CoreV1().Nodes().Delete(context.Background(), node.Name, metav1.DeleteOptions{})
if err != nil {
if !errors.IsNotFound(err) {
return err
}
}
log.FromContext(ctx).Info("deleteNode done")
}
return nil
}
func (p *Provider) EnsureRemoveMachine(ctx context.Context, c *v1.Cluster) error {
log.FromContext(ctx).Info("delete machine start")
fieldSelector := fields.OneTermEqualSelector("spec.clusterName", c.Name).String()
machineList, err := p.PlatformClient.Machines().List(ctx, metav1.ListOptions{FieldSelector: fieldSelector})
if err != nil {
return err
}
if len(machineList.Items) == 0 {
return nil
}
for _, machine := range machineList.Items {
if err := p.PlatformClient.Machines().Delete(ctx, machine.Name, metav1.DeleteOptions{}); err != nil {
if errors.IsNotFound(err) {
return nil
}
return err
}
if err = wait.PollImmediate(5*time.Second, 5*time.Minute, waitForMachineDelete(ctx, p.PlatformClient, machine.Name)); err != nil {
return err
}
}
log.FromContext(ctx).Info("delete machine done")
return nil
}
func waitForMachineDelete(ctx context.Context, c platformv1client.PlatformV1Interface, machineName string) wait.ConditionFunc {
return func() (done bool, err error) {
if _, err := c.Machines().Get(ctx, machineName, metav1.GetOptions{}); err != nil {
if errors.IsNotFound(err) {
return true, nil
}
}
return false, nil
}
}