Add retry for glusterfs.server.setup state during pipeline execution

Collectd locking gluster periodically and during pipeline execution we may got
the following error:
`CommandExecutionError: Another transaction is in progress for gerrit. Please try again after sometime.`
To avoid this behavior we need several retries.

Change-Id: Ic9f911d6c1bcf8f2066a15c12bb88b832444bd6d
1 file changed