def _wait_for_futures(self, futures, raise_on_error=True):
'''Collect results or failures from a list of running future tasks.'''
results = []
retries = []
# Check on each result as its thread finishes
for completed in concurrent.futures.as_completed(futures):
try:
result = completed.result()
exceptions.raise_from_response(result)
results.append(result)
except (keystoneauth1.exceptions.RetriableConnectionFailure,
exceptions.HttpException) as e:
error_text = "Exception processing async task: {}".format(
str(e))
if raise_on_error:
self.log.exception(error_text)
raise
else:
self.log.debug(error_text)
# If we get an exception, put the result into a list so we
# can try again
retries.append(completed.result())
return results, retries
def _wait_for_futures(self, futures, raise_on_error=True):
'''Collect results or failures from a list of running future tasks.'''
results = []
retries = []
# Check on each result as its thread finishes
for completed in concurrent.futures.as_completed(futures):
try:
result = completed.result()
exceptions.raise_from_response(result)
results.append(result)
except (keystoneauth1.exceptions.RetriableConnectionFailure,
exceptions.HttpException) as e:
error_text = "Exception processing async task: {}".format(
str(e))
if raise_on_error:
self.log.exception(error_text)
raise
else:
self.log.debug(error_text)
# If we get an exception, put the result into a list so we
# can try again
retries.append(completed.result())
return results, retries
def create_container(self, name, public=False):
"""Create an object-store container.
:param str name:
Name of the container to create.
:param bool public:
Whether to set this container to be public. Defaults to ``False``.
"""
container = self.get_container(name)
if container:
return container
exceptions.raise_from_response(self.object_store.put(name))
if public:
self.set_container_access(name, 'public')
return self.get_container(name, skip_cache=True)
def create_container(self, name, public=False):
"""Create an object-store container.
:param str name:
Name of the container to create.
:param bool public:
Whether to set this container to be public. Defaults to ``False``.
"""
container = self.get_container(name)
if container:
return container
exceptions.raise_from_response(self.object_store.put(name))
if public:
self.set_container_access(name, 'public')
return self.get_container(name, skip_cache=True)
def update_container(self, name, headers):
"""Update the metadata in a container.
:param str name:
Name of the container to create.
:param dict headers:
Key/Value headers to set on the container.
"""
"""Update the metadata in a container.
:param str name:
Name of the container to update.
:param dict headers:
Key/Value headers to set on the container.
"""
exceptions.raise_from_response(
self.object_store.post(name, headers=headers))
def update_container(self, name, headers):
"""Update the metadata in a container.
:param str name:
Name of the container to create.
:param dict headers:
Key/Value headers to set on the container.
"""
"""Update the metadata in a container.
:param str name:
Name of the container to update.
:param dict headers:
Key/Value headers to set on the container.
"""
exceptions.raise_from_response(
self.object_store.post(name, headers=headers))
def get_container(self, name, skip_cache=False):
"""Get metadata about a container.
:param str name:
Name of the container to get metadata for.
:param bool skip_cache:
Ignore the cache of container metadata for this container.o
Defaults to ``False``.
"""
if skip_cache or name not in self._container_cache:
try:
response = self.object_store.head(name)
exceptions.raise_from_response(response)
self._container_cache[name] = response.headers
except exc.OpenStackCloudHTTPError as e:
if e.response.status_code == 404:
return None
raise
return self._container_cache[name]
def delete_container(self, name):
"""Delete an object-store container.
:param str name: Name of the container to delete.
"""
try:
exceptions.raise_from_response(self.object_store.delete(name))
self._container_cache.pop(name, None)
return True
except exc.OpenStackCloudHTTPError as e:
if e.response.status_code == 404:
return False
if e.response.status_code == 409:
raise exc.OpenStackCloudException(
'Attempt to delete container {container} failed. The'
' container is not empty. Please delete the objects'
' inside it before deleting the container'.format(
container=name))
raise
def get_container(self, name, skip_cache=False):
"""Get metadata about a container.
:param str name:
Name of the container to get metadata for.
:param bool skip_cache:
Ignore the cache of container metadata for this container.o
Defaults to ``False``.
"""
if skip_cache or name not in self._container_cache:
try:
response = self.object_store.head(name)
exceptions.raise_from_response(response)
self._container_cache[name] = response.headers
except exc.OpenStackCloudHTTPError as e:
if e.response.status_code == 404:
return None
raise
return self._container_cache[name]
def delete_container(self, name):
"""Delete an object-store container.
:param str name: Name of the container to delete.
"""
try:
exceptions.raise_from_response(self.object_store.delete(name))
self._container_cache.pop(name, None)
return True
except exc.OpenStackCloudHTTPError as e:
if e.response.status_code == 404:
return False
if e.response.status_code == 409:
raise exc.OpenStackCloudException(
'Attempt to delete container {container} failed. The'
' container is not empty. Please delete the objects'
' inside it before deleting the container'.format(
container=name))
raise
def authorize(self):
"""Authorize this Connection
.. note:: This method is optional. When an application makes a call
to any OpenStack service, this method allows you to request
a token manually before attempting to do anything else.
:returns: A string token.
:raises: :class:`~openstack.exceptions.HttpException` if the
authorization fails due to reasons like the credentials
provided are unable to be authorized or the `auth_type`
argument is missing, etc.
"""
try:
return self.session.get_token()
except keystoneauth1.exceptions.ClientException as e:
raise exceptions.raise_from_response(e.response)
def authorize(self):
"""Authorize this Connection
.. note:: This method is optional. When an application makes a call
to any OpenStack service, this method allows you to request
a token manually before attempting to do anything else.
:returns: A string token.
:raises: :class:`~openstack.exceptions.HttpException` if the
authorization fails due to reasons like the credentials
provided are unable to be authorized or the `auth_type`
argument is missing, etc.
"""
try:
return self.session.get_token()
except keystoneauth1.exceptions.ClientException as e:
raise exceptions.raise_from_response(e.response)
