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FS/Shutdown: cleanup and delete .minio.sys during Shutdown() (#3360)

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This commit is contained in:
Krishna Srinivas 2016-11-29 12:24:48 +05:30 committed by Harshavardhana
parent 694bad434c
commit bcd1a2308b
1 changed files with 21 additions and 6 deletions
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27
cmd/fs-v1.go
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@ -81,12 +81,20 @@ func newFSObjects(storage StorageAPI) (ObjectLayer, error) {
// Should be called when process shuts down.
func (fs fsObjects) Shutdown() error {
// List if there are any multipart entries.
_, err := fs.storage.ListDir(minioMetaBucket, mpartMetaPrefix)
if err != errFileNotFound {
// A nil err means that multipart directory is not empty hence do not remove '.minio.sys' volume.
prefix := ""
entries, err := fs.storage.ListDir(minioMetaMultipartBucket, prefix)
if err != nil {
// A non nil err means that an unexpected error occurred
return toObjectErr(traceError(err))
}
if len(entries) > 0 {
// Should not remove .minio.sys if there are any multipart
// uploads were found.
return nil
}
if err = fs.storage.DeleteVol(minioMetaMultipartBucket); err != nil {
return toObjectErr(traceError(err))
}
// List if there are any bucket configuration entries.
_, err = fs.storage.ListDir(minioMetaBucket, bucketConfigPrefix)
if err != errFileNotFound {
@ -94,11 +102,18 @@ func (fs fsObjects) Shutdown() error {
// A non nil err means that an unexpected error occurred
return toObjectErr(traceError(err))
}
// Cleanup everything else.
prefix := ""
if err = cleanupDir(fs.storage, minioMetaBucket, prefix); err != nil {
// Cleanup and delete tmp bucket.
if err = cleanupDir(fs.storage, minioMetaTmpBucket, prefix); err != nil {
return err
}
if err = fs.storage.DeleteVol(minioMetaTmpBucket); err != nil {
return toObjectErr(traceError(err))
}
// Remove format.json and delete .minio.sys bucket
if err = fs.storage.DeleteFile(minioMetaBucket, fsFormatJSONFile); err != nil {
return toObjectErr(traceError(err))
}
if err = fs.storage.DeleteVol(minioMetaBucket); err != nil {
if err != errVolumeNotEmpty {
return toObjectErr(traceError(err))