def __init__(self,
host,
username=None,
password=None,
port=MYSQL_FABRIC_PORT,
connect_attempts=_CNX_ATTEMPT_MAX,
connect_delay=_CNX_ATTEMPT_DELAY,
report_errors=False,
ssl_ca=None,
ssl_key=None,
ssl_cert=None,
user=None):
"""Initialize"""
self._fabric_instances = {}
self._fabric_uuid = None
self._ttl = 1 * 60 # one minute by default
self._version_token = None
self._connect_attempts = connect_attempts
self._connect_delay = connect_delay
self._cache = FabricCache()
self._group_balancers = {}
self._init_host = host
self._init_port = port
self._ssl = _validate_ssl_args(ssl_ca, ssl_key, ssl_cert)
self._report_errors = report_errors
if user and username:
raise ValueError("can not specify both user and username")
self._username = user or username
self._password = password
def reset_cache(self, group=None):
"""Reset cached information
This method destroys all cached information.
"""
if group:
_LOGGER.debug(
"Resetting cache for group '{group}'".format(group=group))
self.get_group_servers(group, use_cache=False)
else:
_LOGGER.debug("Resetting cache")
self._cache = FabricCache()