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bookmark every snapshot

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replication logic already supports bookmarks \o/

refs #34
This commit is contained in:
Christian Schwarz
2017-11-12 23:05:18 +01:00
parent 51af880701
commit ed68bffea5
3 changed files with 45 additions and 4 deletions
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35
zfs/zfs.go
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@ -286,9 +286,17 @@ func ZFSDestroy(dataset string) (err error) {
}
func zfsBuildSnapName(fs *DatasetPath, name string) string { // TODO defensive
return fmt.Sprintf("%s@%s", fs.ToString(), name)
}
func zfsBuildBookmarkName(fs *DatasetPath, name string) string { // TODO defensive
return fmt.Sprintf("%s#%s", fs.ToString(), name)
}
func ZFSSnapshot(fs *DatasetPath, name string, recursive bool) (err error) {
snapname := fmt.Sprintf("%s@%s", fs.ToString(), name)
snapname := zfsBuildSnapName(fs, name)
cmd := exec.Command(ZFS_BINARY, "snapshot", snapname)
stderr := bytes.NewBuffer(make([]byte, 0, 1024))
@ -308,3 +316,28 @@ func ZFSSnapshot(fs *DatasetPath, name string, recursive bool) (err error) {
return
}
func ZFSBookmark(fs *DatasetPath, snapshot, bookmark string) (err error) {
snapname := zfsBuildSnapName(fs, snapshot)
bookmarkname := zfsBuildBookmarkName(fs, bookmark)
cmd := exec.Command(ZFS_BINARY, "bookmark", snapname, bookmarkname)
stderr := bytes.NewBuffer(make([]byte, 0, 1024))
cmd.Stderr = stderr
if err = cmd.Start(); err != nil {
return err
}
if err = cmd.Wait(); err != nil {
err = ZFSError{
Stderr: stderr.Bytes(),
WaitErr: err,
}
}
return
}