diff options
Diffstat (limited to 'geo-replication/syncdaemon/master.py')
| -rw-r--r-- | geo-replication/syncdaemon/master.py | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/geo-replication/syncdaemon/master.py b/geo-replication/syncdaemon/master.py index 55226bdf94f..eadf51d3e5b 100644 --- a/geo-replication/syncdaemon/master.py +++ b/geo-replication/syncdaemon/master.py @@ -443,6 +443,24 @@ class GMasterCommon(object): def mgmt_lock(self): """Take management volume lock """ + if gconf.mgmt_lock_fd: + try: + fcntl.lockf(gconf.mgmt_lock_fd, fcntl.LOCK_EX | fcntl.LOCK_NB) + if not gconf.active_earlier: + gconf.active_earlier = True + logging.info("Got lock : %s : Becoming ACTIVE" + % gconf.local_path) + return True + except: + ex = sys.exc_info()[1] + if isinstance(ex, IOError) and ex.errno in (EACCES, EAGAIN): + if not gconf.passive_earlier: + gconf.passive_earlier = True + logging.info("Didn't get lock : %s : Becoming PASSIVE" + % gconf.local_path) + return False + raise + fd = None bname = str(self.uuid) + "_" + str(gconf.slave_id) + "_subvol_" \ + str(gconf.subvol_num) + ".lock" @@ -468,31 +486,17 @@ class GMasterCommon(object): raise try: fcntl.lockf(fd, fcntl.LOCK_EX | fcntl.LOCK_NB) - # Close the previously acquired lock so that - # fd will not leak. Reset fd to None - if gconf.mgmt_lock_fd: - os.close(gconf.mgmt_lock_fd) - gconf.mgmt_lock_fd = None - # Save latest FD for future use gconf.mgmt_lock_fd = fd except: ex = sys.exc_info()[1] - if fd: - os.close(fd) - - # When previously Active becomes Passive, Close the - # fd of previously acquired lock - if gconf.mgmt_lock_fd: - os.close(gconf.mgmt_lock_fd) - gconf.mgmt_lock_fd = None - if isinstance(ex, IOError) and ex.errno in (EACCES, EAGAIN): # cannot grab, it's taken if not gconf.passive_earlier: gconf.passive_earlier = True logging.info("Didn't get lock : %s : Becoming PASSIVE" % gconf.local_path) + gconf.mgmt_lock_fd = fd return False raise |