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quay/endpoints/api/image.py
2014-11-17 13:14:27 -05:00

113 lines
3.8 KiB
Python

import json
from collections import defaultdict
from app import storage as store
from endpoints.api import (resource, nickname, require_repo_read, RepositoryParamResource,
format_date, NotFound, path_param)
from data import model
from util.cache import cache_control_flask_restful
def image_view(image, image_map):
extended_props = image
if image.storage and image.storage.id:
extended_props = image.storage
command = extended_props.command
def docker_id(aid):
if not aid:
return ''
return image_map[aid]
# Calculate the ancestors string, with the DBID's replaced with the docker IDs.
ancestors = [docker_id(a) for a in image.ancestors.split('/')]
ancestors_string = '/'.join(ancestors)
return {
'id': image.docker_image_id,
'created': format_date(extended_props.created),
'comment': extended_props.comment,
'command': json.loads(command) if command else None,
'size': extended_props.image_size,
'locations': list(image.storage.locations),
'uploading': image.storage.uploading,
'ancestors': ancestors_string,
'sort_index': len(image.ancestors)
}
@resource('/v1/repository/<repopath:repository>/image/')
@path_param('repository', 'The full path of the repository. e.g. namespace/name')
class RepositoryImageList(RepositoryParamResource):
""" Resource for listing repository images. """
@require_repo_read
@nickname('listRepositoryImages')
def get(self, namespace, repository):
""" List the images for the specified repository. """
all_images = model.get_repository_images(namespace, repository)
all_tags = model.list_repository_tags(namespace, repository)
tags_by_image_id = defaultdict(list)
for tag in all_tags:
tags_by_image_id[tag.image.docker_image_id].append(tag.name)
image_map = {}
for image in all_images:
image_map[str(image.id)] = image.docker_image_id
def add_tags(image_json):
image_json['tags'] = tags_by_image_id[image_json['id']]
return image_json
return {
'images': [add_tags(image_view(image, image_map)) for image in all_images]
}
@resource('/v1/repository/<repopath:repository>/image/<image_id>')
@path_param('repository', 'The full path of the repository. e.g. namespace/name')
@path_param('image_id', 'The Docker image ID')
class RepositoryImage(RepositoryParamResource):
""" Resource for handling repository images. """
@require_repo_read
@nickname('getImage')
def get(self, namespace, repository, image_id):
""" Get the information available for the specified image. """
image = model.get_repo_image_extended(namespace, repository, image_id)
if not image:
raise NotFound()
# Lookup all the ancestor images for the image.
image_map = {}
for current_image in model.get_parent_images(namespace, repository, image):
image_map[str(current_image.id)] = image.docker_image_id
return image_view(image, image_map)
@resource('/v1/repository/<repopath:repository>/image/<image_id>/changes')
@path_param('repository', 'The full path of the repository. e.g. namespace/name')
@path_param('image_id', 'The Docker image ID')
class RepositoryImageChanges(RepositoryParamResource):
""" Resource for handling repository image change lists. """
@cache_control_flask_restful(max_age=60*60) # Cache for one hour
@require_repo_read
@nickname('getImageChanges')
def get(self, namespace, repository, image_id):
""" Get the list of changes for the specified image. """
image = model.get_repo_image_extended(namespace, repository, image_id)
if not image:
raise NotFound()
diffs_path = store.image_file_diffs_path(image.storage.uuid)
try:
response_json = json.loads(store.get_content(image.storage.locations, diffs_path))
return response_json
except IOError:
raise NotFound()