def validate(self):
with self._exc_wrapper():
try:
k_utils.check_compatible(self._client, MIN_ZK_VERSION)
except exc.IncompatibleVersion as e:
raise exc.StorageFailure("Backend storage is not a"
" compatible version", e)
def connect(self, timeout=10.0):
def try_clean():
# Attempt to do the needed cleanup if post-connection setup does
# not succeed (maybe the connection is lost right after it is
# obtained).
try:
self.close()
except k_exceptions.KazooException:
LOG.exception("Failed cleaning-up after post-connection"
" initialization failed")
try:
if timeout is not None:
timeout = float(timeout)
self._client.start(timeout=timeout)
except (self._client.handler.timeout_exception,
k_exceptions.KazooException) as e:
raise excp.ConnectionFailure("Failed to connect to"
" zookeeper due to: %s" % (e))
try:
kazoo_utils.check_compatible(self._client, MIN_ZK_VERSION)
self._client.ensure_path(self.path)
self._job_watcher = watchers.ChildrenWatch(
self._client,
self.path,
func=self._on_job_posting,
allow_session_lost=False)
except excp.IncompatibleVersion:
with excutils.save_and_reraise_exception():
try_clean()
except (self._client.handler.timeout_exception,
k_exceptions.KazooException) as e:
try_clean()
raise excp.ConnectionFailure("Failed to do post-connection"
" initialization due to: %s" % (e))
def validate(self):
with self._exc_wrapper():
try:
k_utils.check_compatible(self._client, MIN_ZK_VERSION)
except exc.IncompatibleVersion as e:
raise exc.StorageFailure(
"Backend storage is not a"
" compatible version", e)
def validate(self):
with self._exc_wrapper():
try:
if self._conf.get('check_compatible', True):
k_utils.check_compatible(self._client, MIN_ZK_VERSION)
except exc.IncompatibleVersion:
exc.raise_with_cause(exc.StorageFailure, "Backend storage is"
" not a compatible version")
def validate(self):
with self._exc_wrapper():
try:
if self._conf.get('check_compatible', True):
k_utils.check_compatible(self._client, MIN_ZK_VERSION)
except exc.IncompatibleVersion:
exc.raise_with_cause(
exc.StorageFailure, "Backend storage is"
" not a compatible version")
def connect(self, timeout=10.0):
def try_clean():
# Attempt to do the needed cleanup if post-connection setup does
# not succeed (maybe the connection is lost right after it is
# obtained).
try:
self.close()
except k_exceptions.KazooException:
LOG.exception("Failed cleaning-up after post-connection"
" initialization failed")
try:
if timeout is not None:
timeout = float(timeout)
self._client.start(timeout=timeout)
self._closing = False
except (self._client.handler.timeout_exception,
k_exceptions.KazooException):
excp.raise_with_cause(excp.JobFailure,
"Failed to connect to zookeeper")
try:
if self._conf.get('check_compatible', True):
kazoo_utils.check_compatible(self._client, self.MIN_ZK_VERSION)
if self._worker is None and self._emit_notifications:
self._worker = futurist.ThreadPoolExecutor(max_workers=1)
self._client.ensure_path(self.path)
self._client.ensure_path(self.trash_path)
if self._job_watcher is None:
self._job_watcher = watchers.ChildrenWatch(
self._client,
self.path,
func=self._on_job_posting,
allow_session_lost=True)
self._connected = True
except excp.IncompatibleVersion:
with excutils.save_and_reraise_exception():
try_clean()
except (self._client.handler.timeout_exception,
k_exceptions.KazooException):
exc_type, exc, exc_tb = sys.exc_info()
try:
try_clean()
excp.raise_with_cause(excp.JobFailure,
"Failed to do post-connection"
" initialization", cause=exc)
finally:
del(exc_type, exc, exc_tb)
def connect(self, timeout=10.0):
def try_clean():
# Attempt to do the needed cleanup if post-connection setup does
# not succeed (maybe the connection is lost right after it is
# obtained).
try:
self.close()
except k_exceptions.KazooException:
LOG.exception("Failed cleaning-up after post-connection"
" initialization failed")
try:
if timeout is not None:
timeout = float(timeout)
self._client.start(timeout=timeout)
self._closing = False
except (self._client.handler.timeout_exception,
k_exceptions.KazooException):
excp.raise_with_cause(excp.JobFailure,
"Failed to connect to zookeeper")
try:
if self._conf.get('check_compatible', True):
kazoo_utils.check_compatible(self._client, self.MIN_ZK_VERSION)
if self._worker is None and self._emit_notifications:
self._worker = futurist.ThreadPoolExecutor(max_workers=1)
self._client.ensure_path(self.path)
self._client.ensure_path(self.trash_path)
if self._job_watcher is None:
self._job_watcher = watchers.ChildrenWatch(
self._client,
self.path,
func=self._on_job_posting,
allow_session_lost=True)
self._connected = True
except excp.IncompatibleVersion:
with excutils.save_and_reraise_exception():
try_clean()
except (self._client.handler.timeout_exception,
k_exceptions.KazooException):
exc_type, exc, exc_tb = sys.exc_info()
try:
try_clean()
excp.raise_with_cause(excp.JobFailure,
"Failed to do post-connection"
" initialization", cause=exc)
finally:
del(exc_type, exc, exc_tb)
def connect(self, timeout=10.0):
def try_clean():
# Attempt to do the needed cleanup if post-connection setup does
# not succeed (maybe the connection is lost right after it is
# obtained).
try:
self.close()
except k_exceptions.KazooException:
LOG.exception("Failed cleaning-up after post-connection"
" initialization failed")
try:
if timeout is not None:
timeout = float(timeout)
self._client.start(timeout=timeout)
except (self._client.handler.timeout_exception,
k_exceptions.KazooException) as e:
raise excp.ConnectionFailure("Failed to connect to"
" zookeeper due to: %s" % (e))
try:
kazoo_utils.check_compatible(self._client, MIN_ZK_VERSION)
self._client.ensure_path(self.path)
self._job_watcher = watchers.ChildrenWatch(
self._client,
self.path,
func=self._on_job_posting,
allow_session_lost=False)
except excp.IncompatibleVersion:
with excutils.save_and_reraise_exception():
try_clean()
except (self._client.handler.timeout_exception,
k_exceptions.KazooException) as e:
try_clean()
raise excp.ConnectionFailure("Failed to do post-connection"
" initialization due to: %s" % (e))
def validate(self):
with self._exc_wrapper():
k_utils.check_compatible(self._client, MIN_ZK_VERSION)
def validate(self):
with self._exc_wrapper():
k_utils.check_compatible(self._client, MIN_ZK_VERSION)
