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weed shell: fs.meta.save adjusts meta data file name

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This commit is contained in:
Chris Lu 2019-04-16 09:40:27 -07:00
parent 8ea1ee6dfa
commit af49aea0c6
2 changed files with 14 additions and 6 deletions
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2
weed/shell/command_fs_meta_load.go
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@ -26,7 +26,7 @@ func (c *commandFsMetaLoad) Name() string {
func (c *commandFsMetaLoad) Help() string {
return `load saved filer meta data to restore the directory and file structure
fs.meta.load <filer_host>_<port>.meta
fs.meta.load <filer_host>-<port>-<time>.meta
`
}

18
weed/shell/command_fs_meta_save.go
View file

@ -5,6 +5,7 @@ import (
"fmt"
"io"
"os"
"time"
"github.com/chrislusf/seaweedfs/weed/filer2"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
@ -24,12 +25,17 @@ func (c *commandFsMetaSave) Name() string {
}
func (c *commandFsMetaSave) Help() string {
return `recursively save directory and file meta data to a local file
return `save all directory and file meta data to a local file for metadata backup.
fs.meta.save # save current meta data from current directory
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
The meta data will be saved into a local <filer_host>_<port>.meta file.
These meta data can be later loaded by fs.meta.load command.
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,
This assumes there are no deletions, so this is different from taking a snapshot.
`
}
@ -45,7 +51,9 @@ func (c *commandFsMetaSave) Do(args []string, commandEnv *commandEnv, writer io.
return commandEnv.withFilerClient(ctx, filerServer, filerPort, func(client filer_pb.SeaweedFilerClient) error {
fileName := fmt.Sprintf("%s-%d.meta", filerServer, filerPort)
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())
dst, err := os.OpenFile(fileName, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
if err != nil {