75 lines
2.5 KiB
Python
75 lines
2.5 KiB
Python
# 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 glance.common import exception
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from glance.i18n import _
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def mutate_image_dict_to_v1(image):
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"""
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Replaces a v2-style image dictionary's 'visibility' member with the
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equivalent v1-style 'is_public' member.
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"""
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visibility = image.pop('visibility')
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is_image_public = 'public' == visibility
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image['is_public'] = is_image_public
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return image
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def ensure_image_dict_v2_compliant(image):
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"""
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Accepts an image dictionary that contains a v1-style 'is_public' member
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and returns the equivalent v2-style image dictionary.
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"""
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if ('is_public' in image):
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if ('visibility' in image):
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msg = _("Specifying both 'visibility' and 'is_public' is not "
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"permiitted.")
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raise exception.Invalid(msg)
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else:
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image['visibility'] = ('public' if image.pop('is_public') else
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'shared')
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return image
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def is_image_visible(context, image, image_member_find, status=None):
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"""Return True if the image is visible in this context."""
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# Is admin == image visible
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if context.is_admin:
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return True
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# No owner == image visible
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if image['owner'] is None:
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return True
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# Public or Community visibility == image visible
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if image['visibility'] in ['public', 'community']:
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return True
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# Perform tests based on whether we have an owner
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if context.owner is not None:
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if context.owner == image['owner']:
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return True
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# Figure out if this image is shared with that tenant
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if 'shared' == image['visibility']:
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members = image_member_find(context,
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image_id=image['id'],
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member=context.owner,
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status=status)
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if members:
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return True
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# Private image
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return False
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