def is_master(self, force=False):
try:
if force or not self._is_master:
self._is_master = self.admin_command('isMaster', True)
except OperationFailure, e:
raise DBOperationError(
"Unable to run isMaster command! Error: %s" % e)
else:
pass
def admin_command(self, admin_command, quiet=False):
tries = 0
status = None
while not status and tries < self.retries:
try:
status = self._conn['admin'].command(admin_command)
except OperationFailure, e:
if not quiet:
logging.error("Error running admin command '%s': %s" % (admin_command, e))
tries += 1
sleep(1)
if not status:
raise DBOperationError("Could not get output from command: '%s' after %i retries!" % (admin_command, self.retries))
return status
def server_version(self):
status = self.admin_command('serverStatus')
try:
if 'version' in status:
version = status['version'].split('-')[0]
return tuple(version.split('.'))
except Exception, e:
raise Error("Unable to determine version from serverStatus! Error: %s" % e)
def connection(self):
return self._conn
def is_mongos(self):