def test_get_image_pull_policy(self):
self.assertEqual('always',
utils.get_image_pull_policy('always',
'latest'))
self.assertEqual('always',
utils.get_image_pull_policy(None,
'latest'))
self.assertEqual('ifnotpresent',
utils.get_image_pull_policy(None,
'2.0'))
def test_get_image_pull_policy(self):
self.assertEqual('always',
utils.get_image_pull_policy('always',
'latest'))
self.assertEqual('always',
utils.get_image_pull_policy(None,
'latest'))
self.assertEqual('always',
utils.get_image_pull_policy(None,
'2.0'))
def _do_container_create(self, context, container, reraise=False):
LOG.debug('Creating container: %s', container.uuid)
container.task_state = fields.TaskState.SANDBOX_CREATING
container.save(context)
sandbox_id = None
sandbox_image = 'kubernetes/pause'
repo, tag = utils.parse_image_name(sandbox_image)
try:
image = image_driver.pull_image(context, repo, tag, 'ifnotpresent')
sandbox_id = self.driver.create_sandbox(context,
container,
image=sandbox_image)
except Exception as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.exception(_LE("Unexpected exception: %s"),
six.text_type(e))
self._fail_container(context, container, six.text_type(e))
return
self.driver.set_sandbox_id(container, sandbox_id)
container.task_state = fields.TaskState.IMAGE_PULLING
container.save(context)
repo, tag = utils.parse_image_name(container.image)
image_pull_policy = utils.get_image_pull_policy(
container.image_pull_policy, tag)
try:
image = image_driver.pull_image(context, repo, tag,
image_pull_policy)
except exception.ImageNotFound as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.error(six.text_type(e))
self._do_sandbox_cleanup(context, sandbox_id)
self._fail_container(context, container, six.text_type(e))
return
except exception.DockerError as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.error(
_LE("Error occurred while calling Docker image API: %s"),
six.text_type(e))
self._do_sandbox_cleanup(context, sandbox_id)
self._fail_container(context, container, six.text_type(e))
return
except Exception as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.exception(_LE("Unexpected exception: %s"),
six.text_type(e))
self._do_sandbox_cleanup(context, sandbox_id)
self._fail_container(context, container, six.text_type(e))
return
container.task_state = fields.TaskState.CONTAINER_CREATING
container.save(context)
try:
container = self.driver.create(context, container, sandbox_id,
image)
container.addresses = self._get_container_addresses(
context, container)
container.task_state = None
container.save(context)
return container
except exception.DockerError as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.error(
_LE("Error occurred while calling Docker create API: %s"),
six.text_type(e))
self._do_sandbox_cleanup(context, sandbox_id)
self._fail_container(context, container, six.text_type(e))
return
except Exception as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.exception(_LE("Unexpected exception: %s"),
six.text_type(e))
self._do_sandbox_cleanup(context, sandbox_id)
self._fail_container(context, container, six.text_type(e))
return
def _do_container_create_base(self,
context,
container,
requested_networks,
requested_volumes,
sandbox=None,
limits=None,
reraise=False):
self._update_task_state(context, container, consts.IMAGE_PULLING)
repo, tag = utils.parse_image_name(container.image)
image_pull_policy = utils.get_image_pull_policy(
container.image_pull_policy, tag)
image_driver_name = container.image_driver
try:
image, image_loaded = image_driver.pull_image(
context, repo, tag, image_pull_policy, image_driver_name)
image['repo'], image['tag'] = repo, tag
if not image_loaded:
self.driver.load_image(image['path'])
except exception.ImageNotFound as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.error(six.text_type(e))
self._do_sandbox_cleanup(context, container)
self._fail_container(context, container, six.text_type(e))
return
except exception.DockerError as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.error("Error occurred while calling Docker image API: %s",
six.text_type(e))
self._do_sandbox_cleanup(context, container)
self._fail_container(context, container, six.text_type(e))
return
except Exception as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.exception("Unexpected exception: %s", six.text_type(e))
self._do_sandbox_cleanup(context, container)
self._fail_container(context, container, six.text_type(e))
return
container.task_state = consts.CONTAINER_CREATING
container.image_driver = image.get('driver')
container.save(context)
try:
if image['driver'] == 'glance':
self.driver.read_tar_image(image)
container = self.driver.create(context, container, image,
requested_networks,
requested_volumes)
self._update_task_state(context, container, None)
return container
except exception.DockerError as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.error("Error occurred while calling Docker create API: %s",
six.text_type(e))
self._do_sandbox_cleanup(context, container)
self._fail_container(context,
container,
six.text_type(e),
unset_host=True)
return
except Exception as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.exception("Unexpected exception: %s", six.text_type(e))
self._do_sandbox_cleanup(context, container)
self._fail_container(context,
container,
six.text_type(e),
unset_host=True)
return
def _do_container_create(self, context, container, requested_networks,
limits=None, reraise=False):
LOG.debug('Creating container: %s', container.uuid)
# check if container driver is NovaDockerDriver and
# security_groups is non empty, then return by setting
# the error message in database
if ('NovaDockerDriver' in CONF.container_driver and
container.security_groups):
msg = "security_groups can not be provided with NovaDockerDriver"
self._fail_container(self, context, container, msg)
return
sandbox_id = None
if self.use_sandbox:
sandbox_id = self._create_sandbox(context, container,
requested_networks, reraise)
if sandbox_id is None:
return
self._update_task_state(context, container, consts.IMAGE_PULLING)
repo, tag = utils.parse_image_name(container.image)
image_pull_policy = utils.get_image_pull_policy(
container.image_pull_policy, tag)
image_driver_name = container.image_driver
try:
image, image_loaded = image_driver.pull_image(
context, repo, tag, image_pull_policy, image_driver_name)
if not image_loaded:
self.driver.load_image(image['path'])
except exception.ImageNotFound as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.error(six.text_type(e))
self._do_sandbox_cleanup(context, container)
self._fail_container(context, container, six.text_type(e))
return
except exception.DockerError as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.error("Error occurred while calling Docker image API: %s",
six.text_type(e))
self._do_sandbox_cleanup(context, container)
self._fail_container(context, container, six.text_type(e))
return
except Exception as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.exception("Unexpected exception: %s",
six.text_type(e))
self._do_sandbox_cleanup(context, container)
self._fail_container(context, container, six.text_type(e))
return
container.task_state = consts.CONTAINER_CREATING
container.image_driver = image.get('driver')
container.save(context)
try:
limits = limits
rt = self._get_resource_tracker()
with rt.container_claim(context, container, container.host,
limits):
container = self.driver.create(context, container, image)
self._update_task_state(context, container, None)
return container
except exception.DockerError as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.error("Error occurred while calling Docker create API: %s",
six.text_type(e))
self._do_sandbox_cleanup(context, container)
self._fail_container(context, container, six.text_type(e),
unset_host=True)
return
except Exception as e:
with excutils.save_and_reraise_exception(reraise=reraise):
LOG.exception("Unexpected exception: %s",
six.text_type(e))
self._do_sandbox_cleanup(context, container)
self._fail_container(context, container, six.text_type(e),
unset_host=True)
return