114 lines
4.1 KiB
Python
114 lines
4.1 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from glanceclient import client as gc
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from glanceclient import exc
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from heat.common import exception
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from heat.common.i18n import _
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from heat.common.i18n import _LI
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from heat.engine.clients import client_plugin
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from heat.engine import constraints
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from heat.openstack.common import log as logging
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from heat.openstack.common import uuidutils
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LOG = logging.getLogger(__name__)
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class GlanceClientPlugin(client_plugin.ClientPlugin):
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exceptions_module = exc
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def _create(self):
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con = self.context
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endpoint_type = self._get_client_option('glance', 'endpoint_type')
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endpoint = self.url_for(service_type='image',
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endpoint_type=endpoint_type)
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args = {
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'auth_url': con.auth_url,
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'service_type': 'image',
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'project_id': con.tenant,
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'token': self.auth_token,
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'endpoint_type': endpoint_type,
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'ca_file': self._get_client_option('glance', 'ca_file'),
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'cert_file': self._get_client_option('glance', 'cert_file'),
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'key_file': self._get_client_option('glance', 'key_file'),
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'insecure': self._get_client_option('glance', 'insecure')
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}
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return gc.Client('1', endpoint, **args)
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def is_not_found(self, ex):
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return isinstance(ex, exc.HTTPNotFound)
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def is_over_limit(self, ex):
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return isinstance(ex, exc.HTTPOverLimit)
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def is_conflict(self, ex):
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return isinstance(ex, exc.HTTPConflict)
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def get_image_id(self, image_identifier):
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'''
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Return an id for the specified image name or identifier.
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:param image_identifier: image name or a UUID-like identifier
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:returns: the id of the requested :image_identifier:
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:raises: exception.ImageNotFound,
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exception.PhysicalResourceNameAmbiguity
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'''
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if uuidutils.is_uuid_like(image_identifier):
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try:
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image_id = self.client().images.get(image_identifier).id
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except exc.HTTPNotFound:
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image_id = self.get_image_id_by_name(image_identifier)
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else:
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image_id = self.get_image_id_by_name(image_identifier)
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return image_id
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def get_image_id_by_name(self, image_identifier):
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'''
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Return an id for the specified image name.
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:param image_identifier: image name
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:returns: the id of the requested :image_identifier:
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:raises: exception.ImageNotFound,
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exception.PhysicalResourceNameAmbiguity
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'''
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try:
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filters = {'name': image_identifier}
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image_list = list(self.client().images.list(filters=filters))
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except exc.ClientException as ex:
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raise exception.Error(
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_("Error retrieving image list from glance: %s") % ex)
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num_matches = len(image_list)
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if num_matches == 0:
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LOG.info(_LI("Image %s was not found in glance"),
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image_identifier)
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raise exception.ImageNotFound(image_name=image_identifier)
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elif num_matches > 1:
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LOG.info(_LI("Multiple images %s were found in glance with name"),
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image_identifier)
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raise exception.PhysicalResourceNameAmbiguity(
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name=image_identifier)
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else:
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return image_list[0].id
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class ImageConstraint(constraints.BaseCustomConstraint):
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expected_exceptions = (exception.ImageNotFound,)
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def validate_with_client(self, client, value):
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client.client_plugin('glance').get_image_id(value)
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