[Bugs] [Bug 1218060] New: [SNAPSHOT]: Initializing snap_scheduler from all nodes at the same time should give proper error message

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1218060

            Bug ID: 1218060
           Summary: [SNAPSHOT]: Initializing snap_scheduler from all nodes
                    at the same time should give proper error message
           Product: GlusterFS
           Version: mainline
         Component: snapshot
          Assignee: bugs at gluster.org
          Reporter: senaik at redhat.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



Description of problem:
=======================
Initialising snap_scheduler from all nodes at the same time should fail with
proper error message - "Another snap scheduler command is running"

Version-Release number of selected component (if applicable):
==============================================================
glusterfs 3.7.0beta1 built on May  1 2015

How reproducible:
=================
always

Steps to Reproduce:
===================
1.Create a dist rep volume and mount it.

2.Create another shared storage volume and mount it under
/var/run/gluster/shared_storage

3.Initialise snap scheduler at the same time from all nodes 

NOde1: 
~~~~~
snap_scheduler.py init
snap_scheduler: Successfully inited snapshot scheduler for this node

Node2, Node3, Node4 : 
~~~~~~~~~~~~~~~~~~~~
snap_scheduler.py init
Traceback (most recent call last):
  File "/usr/sbin/snap_scheduler.py", line 574, in <module>
    sys.exit(main())
  File "/usr/sbin/snap_scheduler.py", line 544, in main
    os.makedirs(LOCK_FILE_DIR)
  File "/usr/lib64/python2.6/os.py", line 157, in makedirs
    mkdir(name, mode)
OSError: [Errno 17] File exists:
'/var/run/gluster/shared_storage/snaps/lock_files/'

It should fail with error : 
snap_scheduler: Another snap_scheduler command is running. Please try again
after some time.

Actual results:


Expected results:


Additional info:

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the assignee for the bug.