def _sync(self):
""" Sync databases and oplog.
"""
if self._conf.start_optime:
log.info("locating oplog, it will take a while")
doc = self._src.client()['local']['oplog.rs'].find_one({'ts': {'$gte': self._conf.start_optime}})
if not doc:
log.error('oplog is stale')
return
start_optime = doc['ts']
log.info('start timestamp is %s actually' % start_optime)
self._stage = Stage.OPLOG_SYNC
self._replay_oplog(start_optime)
else:
# initial sync
self._initial_sync_start_optime = get_optime(self._src.client())
self._stage = Stage.INITIAL_SYNC
self._initial_sync()
self._stage = Stage.POST_INITIAL_SYNC
self._initial_sync_end_optime = get_optime(self._src.client())
# oplog sync
if self._optime_logger:
self._optime_logger.write(self._initial_sync_start_optime)
self._replay_oplog(self._initial_sync_start_optime)
def _sync(self):
""" Sync databases and oplog.
"""
if self._conf.start_optime:
log.info("locating oplog, it will take a while")
oplog_start = self._conf.start_optime
doc = self._src.client()['local']['oplog.rs'].find_one(
{'ts': {
'$gte': oplog_start
}})
if not doc:
log.error('oplog is stale')
return
oplog_start = doc['ts']
log.info('start timestamp is %s actually' % oplog_start)
self._last_optime = oplog_start
self._replay_oplog(oplog_start)
else:
oplog_start = get_optime(self._src.client())
if not oplog_start:
log.error('get oplog_start failed, terminate')
sys.exit(1)
self._last_optime = oplog_start
self._initial_sync()
if self._optime_logger:
self._optime_logger.write(oplog_start)
log.info('first %s' % oplog_start)
self._replay_oplog(oplog_start)
def _sync(self):
""" Sync databases and oplog.
"""
if self._conf.start_optime:
log.info("locating oplog, it will take a while")
doc = None
cur = self._src.client()['local']['oplog.rs'].find(
{
'ts': {
'$lte': self._conf.start_optime
}
}, {
"ts": 1
}).sort("$natural", -1).limit(1)
try:
doc = cur.next()
except StopIteration:
pass
if not doc:
log.error('oplog is stale')
return
start_optime = doc['ts']
log.info('start timestamp is %s actually' % start_optime)
self._stage = Stage.OPLOG_SYNC
self._replay_oplog(start_optime)
else:
# initial sync
self._initial_sync_start_optime = get_optime(self._src.client())
self._stage = Stage.INITIAL_SYNC
self._initial_sync()
self._stage = Stage.POST_INITIAL_SYNC
self._initial_sync_end_optime = get_optime(self._src.client())
# oplog sync
if self._optime_logger:
self._optime_logger.write(self._initial_sync_start_optime)
self._replay_oplog(self._initial_sync_start_optime)