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shell: Added minor changes to fs.meta.save

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* added an option to set the output file name
* added an option to see verbose output, default to non-verbose mode

related to: https://github.com/chrislusf/seaweedfs/issues/1019
This commit is contained in:
Chris Lu 2019-07-26 09:35:22 -07:00
parent 7b5883f526
commit fb90d63589
1 changed files with 22 additions and 8 deletions
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30
weed/shell/command_fs_meta_save.go
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@ -2,6 +2,7 @@ package shell
import (
"context"
"flag"
"fmt"
"io"
"os"
@ -27,10 +28,11 @@ func (c *commandFsMetaSave) Name() string {
func (c *commandFsMetaSave) Help() string {
return `save all directory and file meta data to a local file for metadata backup.
fs.meta.save / # save from the root
fs.meta.save /path/to/save # save from the directory /path/to/save
fs.meta.save . # save from current directory
fs.meta.save # save from current directory
fs.meta.save / # save from the root
fs.meta.save -v -o t.meta / # save from the root, output to t.meta file.
fs.meta.save /path/to/save # save from the directory /path/to/save
fs.meta.save . # save from current directory
fs.meta.save # save from current directory
The meta data will be saved into a local <filer_host>-<port>-<time>.meta file.
These meta data can be later loaded by fs.meta.load command,
@ -42,7 +44,14 @@ func (c *commandFsMetaSave) Help() string {
func (c *commandFsMetaSave) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
filerServer, filerPort, path, err := commandEnv.parseUrl(findInputDirectory(args))
fsMetaSaveCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
verbose := fsMetaSaveCommand.Bool("v", false, "print out each processed files")
outputFileName := fsMetaSaveCommand.String("o", "", "output the meta data to this file")
if err = fsMetaSaveCommand.Parse(args); err != nil {
return nil
}
filerServer, filerPort, path, err := commandEnv.parseUrl(findInputDirectory(fsMetaSaveCommand.Args()))
if err != nil {
return err
}
@ -52,8 +61,11 @@ func (c *commandFsMetaSave) Do(args []string, commandEnv *CommandEnv, writer io.
return commandEnv.withFilerClient(ctx, filerServer, filerPort, func(client filer_pb.SeaweedFilerClient) error {
t := time.Now()
fileName := fmt.Sprintf("%s-%d-%4d%02d%02d-%02d%02d%02d.meta",
filerServer, filerPort, t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second())
fileName := *outputFileName
if fileName == "" {
fileName = fmt.Sprintf("%s-%d-%4d%02d%02d-%02d%02d%02d.meta",
filerServer, filerPort, t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second())
}
dst, err := os.OpenFile(fileName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {
@ -88,7 +100,9 @@ func (c *commandFsMetaSave) Do(args []string, commandEnv *CommandEnv, writer io.
fileCount++
}
println(parentPath.Child(entry.Name))
if *verbose {
println(parentPath.Child(entry.Name))
}
return nil