64 lines
2.4 KiB
Python
64 lines
2.4 KiB
Python
# Copyright 2017 Ericsson AB.
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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_log import log
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from kingbird.common import exceptions
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from kingbird.drivers.openstack.glance_v2 import GlanceClient
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LOG = log.getLogger(__name__)
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API_VERSION = '2'
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def check_dependent_images(context, region, image_id):
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"""Check Dependent Images for a given image.
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:param region: source_region
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:param image_id: ID of the image to get dependent image details.
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"""
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source_glance_client = GlanceClient(region, context)
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source_image = source_glance_client.get_image(image_id)
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if source_image.disk_format == 'ami':
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try:
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kernel_image = source_glance_client.\
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get_image(source_image.kernel_id)
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kernel_disk_format = getattr(kernel_image, 'disk_format', None)
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if kernel_disk_format is None or kernel_disk_format != 'aki':
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raise exceptions.DependentImageNotFound()
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LOG.info('Kernel Image Found: %(kernel_image)s in %(region)s'
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% {'kernel_image': kernel_image.id,
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'region': region})
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ramdisk_image = source_glance_client.\
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get_image(source_image.ramdisk_id)
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ramdisk_disk_format = getattr(ramdisk_image, 'disk_format', None)
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if ramdisk_disk_format is None or ramdisk_disk_format != 'ari':
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raise exceptions.DependentImageNotFound()
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LOG.info('ram disk Image Found: %(ramdisk_image)s in %(region)s'
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% {'ramdisk_image': ramdisk_image.id,
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'region': region})
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except exceptions.DependentImageNotFound():
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raise
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return {
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'kernel_image': kernel_image,
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'ramdisk_image': ramdisk_image
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}
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elif source_image.disk_format in ['qcow2', 'aki', 'ari']:
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return None
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else:
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raise exceptions.ImageFormatNotSupported()
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