104 lines
3.5 KiB
Python
104 lines
3.5 KiB
Python
""" List and lookup repository images. """
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import json
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from collections import defaultdict
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from endpoints.api import (resource, nickname, require_repo_read, RepositoryParamResource,
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format_date, NotFound, path_param)
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from data import model
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from util.cache import cache_control_flask_restful
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def image_view(image, image_map, include_ancestors=True):
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command = image.command
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def docker_id(aid):
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if not aid or not aid in image_map:
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return ''
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return image_map[aid].docker_image_id
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image_data = {
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'id': image.docker_image_id,
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'created': format_date(image.created),
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'comment': image.comment,
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'command': json.loads(command) if command else None,
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'size': image.storage.image_size,
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'uploading': image.storage.uploading,
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'sort_index': len(image.ancestors),
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}
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if include_ancestors:
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# Calculate the ancestors string, with the DBID's replaced with the docker IDs.
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ancestors = [docker_id(a) for a in image.ancestors.split('/')]
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image_data['ancestors'] = '/'.join(ancestors)
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return image_data
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def historical_image_view(image, image_map):
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ancestors = [image_map[a] for a in image.ancestors.split('/')[1:-1]]
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normal_view = image_view(image, image_map)
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normal_view['history'] = [image_view(parent, image_map, False) for parent in ancestors]
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return normal_view
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@resource('/v1/repository/<apirepopath:repository>/image/')
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@path_param('repository', 'The full path of the repository. e.g. namespace/name')
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class RepositoryImageList(RepositoryParamResource):
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""" Resource for listing repository images. """
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@require_repo_read
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@nickname('listRepositoryImages')
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def get(self, namespace, repository):
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""" List the images for the specified repository. """
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repo = model.repository.get_repository(namespace, repository)
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if not repo:
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raise NotFound()
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all_images = model.image.get_repository_images_without_placements(repo)
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all_tags = model.tag.list_repository_tags(namespace, repository)
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tags_by_image_id = defaultdict(list)
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found_image_ids = set()
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for tag in all_tags:
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tags_by_image_id[tag.image.docker_image_id].append(tag.name)
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found_image_ids.add(str(tag.image.id))
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found_image_ids.update(tag.image.ancestors.split('/')[1:-1])
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image_map = {}
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filtered_images = []
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for image in all_images:
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if str(image.id) in found_image_ids:
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image_map[str(image.id)] = image
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filtered_images.append(image)
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def add_tags(image_json):
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image_json['tags'] = tags_by_image_id[image_json['id']]
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return image_json
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return {
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'images': [add_tags(image_view(image, image_map)) for image in filtered_images]
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}
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@resource('/v1/repository/<apirepopath:repository>/image/<image_id>')
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@path_param('repository', 'The full path of the repository. e.g. namespace/name')
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@path_param('image_id', 'The Docker image ID')
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class RepositoryImage(RepositoryParamResource):
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""" Resource for handling repository images. """
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@require_repo_read
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@nickname('getImage')
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def get(self, namespace, repository, image_id):
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""" Get the information available for the specified image. """
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image = model.image.get_repo_image_extended(namespace, repository, image_id)
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if not image:
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raise NotFound()
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# Lookup all the ancestor images for the image.
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image_map = {}
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for current_image in model.image.get_parent_images(namespace, repository, image):
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image_map[str(current_image.id)] = current_image
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return historical_image_view(image, image_map)
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