diff options
| author | Aravinda VK <avishwan@redhat.com> | 2016-02-29 14:05:54 +0530 |
|---|---|---|
| committer | Aravinda VK <avishwan@redhat.com> | 2016-03-09 03:02:01 -0800 |
| commit | 15a5f7db3b442e67030309b4a1dc5e33be2fbcb5 (patch) | |
| tree | 1c0ff72d1fca96fcf581b6285f401cc7fd6d90ce /geo-replication | |
| parent | bf03543388c39e4b5162ff5866ba4754fb4fdfc1 (diff) | |
geo-rep: Fix Entry Creation issue with non root UID/GID
During entry_ops RENAME Geo-rep sends stat info along with the
recorded info from Changelog. In Slave side if Source file exists
Geo-rep renames to Target file by calling os.rename. If source file
does not exists, it tries to create Target file directly using available
stat info from Master. If UID and GID are different in Master for that
file then stat info will have different UID/GID during Create. Geo-rep
gets EACCES when it tries to create a new entry using gfid-access with
different UID/GID.
With this patch, Entry creation with different UID/GID is split into two
operations. Create Entry with UID:0 and GID:0 and then set UID/GID.
Change-Id: I4987e3a205d8513c06fa66198cde145a87003a01
BUG: 1313303
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/13542
Smoke: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Diffstat (limited to 'geo-replication')
| -rw-r--r-- | geo-replication/syncdaemon/resource.py | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/geo-replication/syncdaemon/resource.py b/geo-replication/syncdaemon/resource.py index 81edfaa4a49..27f7e84a2ce 100644 --- a/geo-replication/syncdaemon/resource.py +++ b/geo-replication/syncdaemon/resource.py @@ -690,6 +690,16 @@ class Server(object): op = e['op'] gfid = e['gfid'] entry = e['entry'] + uid = 0 + gid = 0 + if e.get("stat", {}): + # Copy UID/GID value and then reset to zero. Copied UID/GID + # will be used to run chown once entry is created. + uid = e['stat']['uid'] + gid = e['stat']['gid'] + e['stat']['uid'] = 0 + e['stat']['gid'] = 0 + (pg, bname) = entry2pb(entry) if op in ['RMDIR', 'UNLINK']: # Try once, if rmdir failed with ENOTEMPTY @@ -768,6 +778,16 @@ class Server(object): [EEXIST, ENOENT], [ESTALE, EINVAL]) collect_failure(e, cmd_ret) + + # If UID/GID is different than zero that means we are trying + # create Entry with different UID/GID. Create Entry with + # UID:0 and GID:0, and then call chown to set UID/GID + if uid != 0 or gid != 0: + path = os.path.join(pfx, gfid) + cmd_ret = errno_wrap(os.chown, [path, uid, gid], [ENOENT], + [ESTALE, EINVAL]) + collect_failure(e, cmd_ret) + return failures @classmethod |