def __init__(self, *args, **kw_args):
"""Instantiate the database client.
All parameters will be passed on
to pmeth:`etcd3.Client`.
"""
self._client = etcd3.Client(*args, **kw_args)
def __init__(self,
opts,
encode_keys=None,
encode_values=None,
raw_keys=False,
raw_values=False,
unicode_errors=None,
**kwargs):
if not HAS_ETCD_V3:
raise EtcdLibraryNotInstalled(
"Don't have etcd3-py, need to install it.")
log.debug("etcd_util has the libraries needed for etcd v3")
super().__init__(opts, **kwargs)
if self.conf.get("etcd.require_v2", True):
raise IncompatibleEtcdRequirements(
"Can't create v3 with a v2 requirement")
self.encode_keys = encode_keys or self.conf.get(
"etcd.encode_keys", False)
self.encode_values = encode_values or self.conf.get(
"etcd.encode_values", True)
self.raw_keys = raw_keys or self.conf.get("etcd.raw_keys", False)
self.raw_values = raw_values or self.conf.get("etcd.raw_values", False)
self.unicode_errors = unicode_errors or self.conf.get(
"etcd.unicode_errors", "surrogateescape")
# etcd3-py uses verify instead of ca_cert
self.xargs["verify"] = self.xargs.pop("ca_cert", None)
self.client = etcd3.Client(host=self.host,
port=self.port,
**self.xargs)
def client(self):
if self._client is None:
i = 0
while i < self.retry_reconnect:
try:
self.rotate()
ep = self.current_endpoint()
log.info('etcd client using endpoint %s' % ep)
self._client = etcd3.Client(host=ep.address,
port=ep.port,
timeout=ep.timeout)
self._client.status()
break
except Exception:
log.exception('error connecting to etcd')
i += 1
if i == self.retry_reconnect:
raise EtcdConnectionError('failed connecting to etcd '
'after %s retries' % i)
return self._client
def __init__(self, *args, **kw_args):
"""Instantiate the database client."""
self._client = etcd3.Client(*args, **kw_args)
def __init__(self, etcd_cfg: etcd_config):
self.__client = etcd3.Client(max_retries=3)