117 строки
3.7 KiB
Go
117 строки
3.7 KiB
Go
/*
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_____ _____ _____ ____ ______ _____ ------
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| --- | | | | |-----| |---- | | |-----| |----- ------
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| ____| |_____ | ____| | ____| | |_____| _____| |_____ |_____
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Licensed under the MIT License <http://opensource.org/licenses/MIT>.
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Copyright © 2020-2023 Microsoft Corporation. All rights reserved.
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Author : <blobfusedev@microsoft.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE
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*/
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package cmd
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import (
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"bytes"
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"fmt"
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"os/exec"
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"regexp"
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"strings"
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"github.com/Azure/azure-storage-fuse/v2/common"
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"github.com/Azure/azure-storage-fuse/v2/common/log"
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"github.com/spf13/cobra"
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)
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var unmountCmd = &cobra.Command{
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Use: "unmount <mount path>",
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Short: "Unmount Blobfuse2",
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Long: "Unmount Blobfuse2",
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SuggestFor: []string{"unmount", "unmnt"},
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Args: cobra.ExactArgs(1),
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FlagErrorHandling: cobra.ExitOnError,
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RunE: func(_ *cobra.Command, args []string) error {
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if strings.Contains(args[0], "*") {
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mntPathPrefix := args[0]
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lstMnt, _ := common.ListMountPoints()
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for _, mntPath := range lstMnt {
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match, _ := regexp.MatchString(mntPathPrefix, mntPath)
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if match {
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err := unmountBlobfuse2(mntPath)
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if err != nil {
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return fmt.Errorf("failed to unmount %s [%s]", mntPath, err.Error())
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}
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}
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}
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} else {
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err := unmountBlobfuse2(args[0])
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if err != nil {
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return err
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}
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}
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return nil
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},
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ValidArgsFunction: func(_ *cobra.Command, _ []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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if toComplete == "" {
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mntPts, _ := common.ListMountPoints()
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return mntPts, cobra.ShellCompDirectiveNoFileComp
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}
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return nil, cobra.ShellCompDirectiveDefault
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},
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}
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// Attempts to unmount the directory and returns true if the operation succeeded
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func unmountBlobfuse2(mntPath string) error {
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unmountCmd := []string{"fusermount3", "fusermount"}
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var errb bytes.Buffer
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var err error
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for _, umntCmd := range unmountCmd {
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cliOut := exec.Command(umntCmd, "-u", mntPath)
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cliOut.Stderr = &errb
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_, err = cliOut.Output()
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if err == nil {
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fmt.Println("Successfully unmounted", mntPath)
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return nil
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}
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if !strings.Contains(err.Error(), "executable file not found") {
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log.Err("unmountBlobfuse2 : failed to unmount (%s : %s)", err.Error(), errb.String())
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break
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}
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}
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return fmt.Errorf("%s", errb.String()+" "+err.Error())
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}
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func init() {
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rootCmd.AddCommand(unmountCmd)
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unmountCmd.AddCommand(umntAllCmd)
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}
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