kubernetes unmount_linux 源码

  • 2022-09-18
  • 浏览 (347)

kubernetes unmount_linux 代码

文件路径:/cmd/kubeadm/app/cmd/phases/reset/unmount_linux.go

//go:build linux
// +build linux

/*
Copyright 2019 The Kubernetes Authors.

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 phases

import (
	"os"
	"strings"
	"syscall"

	"k8s.io/klog/v2"
)

// unmountKubeletDirectory unmounts all paths that contain KubeletRunDirectory
func unmountKubeletDirectory(absoluteKubeletRunDirectory string) error {
	raw, err := os.ReadFile("/proc/mounts")
	if err != nil {
		return err
	}

	if !strings.HasSuffix(absoluteKubeletRunDirectory, "/") {
		// trailing "/" is needed to ensure that possibly mounted /var/lib/kubelet is skipped
		absoluteKubeletRunDirectory += "/"
	}

	mounts := strings.Split(string(raw), "\n")
	for _, mount := range mounts {
		m := strings.Split(mount, " ")
		if len(m) < 2 || !strings.HasPrefix(m[1], absoluteKubeletRunDirectory) {
			continue
		}
		if err := syscall.Unmount(m[1], 0); err != nil {
			klog.Warningf("[reset] Failed to unmount mounted directory in %s: %s", absoluteKubeletRunDirectory, m[1])
		}
	}
	return nil
}

相关信息

kubernetes 源码目录

相关文章

kubernetes cleanupnode 源码

kubernetes cleanupnode_test 源码

kubernetes data 源码

kubernetes data_test 源码

kubernetes preflight 源码

kubernetes removeetcdmember 源码

kubernetes removeetcdmember_test 源码

kubernetes unmount 源码

0  赞