Files
sealos/pkg/runtime/reset.go
T
2022-05-01 09:36:23 +08:00

91 lines
2.5 KiB
Go

// Copyright © 2022 sealos.
//
// 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 runtime
import (
"context"
"fmt"
"github.com/labring/sealos/pkg/utils/logger"
"golang.org/x/sync/errgroup"
)
const (
RemoveKubeConfig = "rm -rf .kube"
RemoteCleanMasterOrNode = `if which kubeadm;then kubeadm reset -f %s;fi && \
modprobe -r ipip && lsmod && \
rm -rf /etc/kubernetes/ && \
rm -rf /etc/cni && rm -rf /opt/cni && \
rm -rf %s
`
)
func (k *KubeadmRuntime) reset() error {
//Why delete registry is first?
//Because the registry use some cri command, eg 'nerdctl'
err := k.DeleteRegistry()
k.resetNodes(k.getNodeIPAndPortList())
k.resetMasters(k.getMasterIPAndPortList())
return err
}
func (k *KubeadmRuntime) resetNodes(nodes []string) {
logger.Info("start to reset nodes: %v", nodes)
eg, _ := errgroup.WithContext(context.Background())
for _, node := range nodes {
node := node
eg.Go(func() error {
if err := k.resetNode(node); err != nil {
logger.Error("delete node %s failed %v", node, err)
}
return nil
})
}
if err := eg.Wait(); err != nil {
return
}
}
func (k *KubeadmRuntime) resetMasters(nodes []string) {
logger.Info("start to reset masters: %v", nodes)
for _, node := range nodes {
if err := k.resetNode(node); err != nil {
logger.Error("delete master %s failed %v", node, err)
}
}
}
func (k *KubeadmRuntime) resetNode(node string) error {
logger.Info("start to reset node: %s", node)
if err := k.sshCmdAsync(node, fmt.Sprintf(RemoteCleanMasterOrNode, vlogToStr(k.vlog), k.getEtcdDataDir()),
RemoveKubeConfig, DeleteImageShimCMD(k.getContentData().RootFSPath())); err != nil {
return fmt.Errorf("exec node clean in sealos failed %v", err)
}
err := k.execClean(node)
if err != nil {
return fmt.Errorf("exec clean.sh failed %v", err)
}
err = k.execHostsDelete(node, k.getRegistry().Domain)
if err != nil {
return fmt.Errorf("delete registry hosts failed %v", err)
}
err = k.execHostsDelete(node, k.getAPIServerDomain())
if err != nil {
return fmt.Errorf("delete apiserver hosts failed %v", err)
}
return nil
}