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add warning on unmount a folder

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This commit is contained in:
Chris Lu 2021-08-28 02:25:48 -07:00
parent a22f37b01c
commit 65a29ad42a
1 changed files with 7 additions and 1 deletions
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8
weed/shell/command_remote_unmount.go
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@ -31,7 +31,9 @@ func (c *commandRemoteUnmount) Help() string {
remote.mount -dir=/xxx -remote=s3_1/bucket
# unmount the mounted directory and remove its cache
remote.unmount -dir=/xxx
# Make sure you have stopped "weed filer.remote.sync" first!
# Otherwise, the deletion will also be propagated to the remote storage!!!
remote.unmount -dir=/xxx -iHaveStoppedRemoteSync
`
}
@ -41,6 +43,7 @@ func (c *commandRemoteUnmount) Do(args []string, commandEnv *CommandEnv, writer
remoteMountCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
dir := remoteMountCommand.String("dir", "", "a directory in filer")
hasStoppedRemoteSync := remoteMountCommand.Bool("iHaveStoppedRemoteSync", false, "confirm to stop weed filer.remote.sync first")
if err = remoteMountCommand.Parse(args); err != nil {
return nil
@ -59,6 +62,9 @@ func (c *commandRemoteUnmount) Do(args []string, commandEnv *CommandEnv, writer
return fmt.Errorf("directory %s is not mounted", *dir)
}
if !*hasStoppedRemoteSync {
return fmt.Errorf("make sure \"weed filer.remote.sync\" is stopped to avoid data loss")
}
// purge mounted data
if err = c.purgeMountedData(commandEnv, *dir); err != nil {
return fmt.Errorf("purge mounted data: %v", err)