70 lines
2.5 KiB
Python
70 lines
2.5 KiB
Python
# Copyright 2020 Red Hat, Inc. All rights reserved.
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#
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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 oslo_config import cfg
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from oslo_log import log as logging
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from octavia.common import clients
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from octavia.common import constants
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from octavia.common import exceptions
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from octavia.image import image_base
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class ImageManager(image_base.ImageBase):
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'''Image implementation of virtual machines via Glance.'''
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def __init__(self):
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super().__init__()
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# Must initialize glance api
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self._glance_client = clients.GlanceAuth.get_glance_client(
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service_name=CONF.glance.service_name,
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endpoint=CONF.glance.endpoint,
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region=CONF.glance.region_name,
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endpoint_type=CONF.glance.endpoint_type,
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insecure=CONF.glance.insecure,
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cacert=CONF.glance.ca_certificates_file
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)
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self.manager = self._glance_client.images
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def get_image_id_by_tag(self, image_tag, image_owner=None):
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"""Get image ID by image tag and owner
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:param image_tag: image tag
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:param image_owner: optional image owner
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:raises: ImageGetException if no images found with given tag
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:return: image id
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"""
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filters = {'tag': [image_tag],
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'status': constants.GLANCE_IMAGE_ACTIVE}
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if image_owner:
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filters.update({'owner': image_owner})
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images = list(self.manager.list(
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filters=filters, sort='created_at:desc', limit=2))
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if not images:
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raise exceptions.ImageGetException(tag=image_tag)
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image_id = images[0]['id']
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num_images = len(images)
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if num_images > 1:
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LOG.warning("A single Glance image should be tagged with %(tag)s "
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"tag, but at least two were found. Using "
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"%(image_id)s.",
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{'tag': image_tag, 'image_id': image_id})
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return image_id
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