mirror of
https://github.com/labring/sealos.git
synced 2026-09-01 15:38:06 +08:00
Jiahui
99 lines
2.9 KiB
Go
99 lines
2.9 KiB
Go
// Copyright © 2022 sealos.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package runtime
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import (
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"context"
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"fmt"
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"golang.org/x/sync/errgroup"
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"github.com/labring/sealos/pkg/constants"
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"github.com/labring/sealos/pkg/utils/logger"
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)
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const (
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removeKubeConfig = "rm -rf .kube"
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remoteCleanMasterOrNode = `if which kubeadm;then kubeadm reset -f %s;fi && \
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rm -rf /etc/kubernetes/ && \
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rm -rf /etc/cni && rm -rf /opt/cni && \
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rm -rf %s && (ip link delete kube-ipvs0 >/dev/null 2>&1 || true)
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`
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)
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func (k *KubeadmRuntime) reset() error {
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k.resetNodes(k.getNodeIPAndPortList())
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k.resetMasters(k.getMasterIPAndPortList())
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return nil
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}
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func (k *KubeadmRuntime) resetNodes(nodes []string) {
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logger.Info("start to reset nodes: %v", nodes)
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eg, _ := errgroup.WithContext(context.Background())
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for _, node := range nodes {
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node := node
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eg.Go(func() error {
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if err := k.resetNode(node, nil); err != nil {
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logger.Error("delete node %s failed %v", node, err)
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}
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return nil
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})
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}
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if err := eg.Wait(); err != nil {
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return
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}
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}
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func (k *KubeadmRuntime) resetMasters(nodes []string) {
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logger.Info("start to reset masters: %v", nodes)
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for _, node := range nodes {
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if err := k.resetNode(node, nil); err != nil {
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logger.Error("delete master %s failed %v", node, err)
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}
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}
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}
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func (k *KubeadmRuntime) resetNode(node string, cleanHook func()) error {
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logger.Info("start to reset node: %s", node)
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resetCmd := fmt.Sprintf(remoteCleanMasterOrNode, vlogToStr(k.vlog), k.getEtcdDataDir())
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removeKubeConfigErr := k.sshCmdAsync(node, removeKubeConfig)
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resetCmdErr := k.sshCmdAsync(node, resetCmd)
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ipvscleanErr := k.execIPVSClean(node)
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hostsDeleteAPIServerErr := k.execHostsDelete(node, k.getAPIServerDomain())
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hostsDeleteLvscareErr := k.execHostsDelete(node, constants.DefaultLvscareDomain)
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if cleanHook != nil {
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cleanHook()
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}
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if resetCmdErr != nil {
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logger.Error("failed to clean node, exec command %s failed, %v", resetCmd, resetCmdErr)
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}
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if removeKubeConfigErr != nil {
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logger.Error("failed to clean node, exec command %s failed, %v", removeKubeConfig, removeKubeConfigErr)
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}
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if ipvscleanErr != nil {
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logger.Error("failed to clean node route and ipvs failed, %v", ipvscleanErr)
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}
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if hostsDeleteAPIServerErr != nil {
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logger.Error("delete apiserver hosts failed %v", hostsDeleteAPIServerErr)
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}
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if hostsDeleteLvscareErr != nil {
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return fmt.Errorf("add lvscare domain hosts failed %v", hostsDeleteLvscareErr)
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}
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return nil
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}
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