Move verbs endpoint to use new registry data model
This commit is contained in:
Joseph Schorr
parent
bafab2e734
commit
f252b0b16f
14 changed files with 145 additions and 469 deletions
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@ -254,6 +254,7 @@ def get_storage_by_uuid(storage_uuid):
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def get_layer_path(storage_record):
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""" Returns the path in the storage engine to the layer data referenced by the storage row. """
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assert storage_record.cas_path is not None
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return get_layer_path_for_storage(storage_record.uuid, storage_record.cas_path,
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storage_record.content_checksum)
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@ -280,7 +281,8 @@ def lookup_repo_storages_by_content_checksum(repo, checksums):
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query_alias = 'q{0}'.format(counter)
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candidate_subq = (ImageStorage
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.select(ImageStorage.id, ImageStorage.content_checksum,
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ImageStorage.image_size, ImageStorage.uuid)
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ImageStorage.image_size, ImageStorage.uuid, ImageStorage.cas_path,
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ImageStorage.uncompressed_size)
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.join(Image)
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.where(Image.repository == repo, ImageStorage.content_checksum == checksum)
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.limit(1)
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@ -28,6 +28,7 @@ class RepositoryReference(datatype('Repository', [])):
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def _repository_obj(self):
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return model.repository.lookup_repository(self._db_id)
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@property
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def namespace_name(self):
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""" Returns the namespace name of this repository.
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"""
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@ -398,6 +398,8 @@ class PreOCIModel(RegistryDataInterface):
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return None
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image_storage = storage_map[digest_str]
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assert image_storage.cas_path is not None
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placements = None
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if include_placements:
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placements = list(model.storage.get_storage_locations(image_storage.uuid))
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@ -551,6 +553,8 @@ class PreOCIModel(RegistryDataInterface):
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except model.BlobDoesNotExist:
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return None
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assert image_storage.cas_path is not None
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placements = None
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if include_placements:
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placements = list(model.storage.get_storage_locations(image_storage.uuid))
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@ -35,6 +35,8 @@ def test_find_matching_tag(names, expected, pre_oci_model):
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assert found is None
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else:
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assert found.name in expected
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assert found.repository.namespace_name == 'devtable'
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assert found.repository.name == 'simple'
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@pytest.mark.parametrize('repo_namespace, repo_name, expected', [
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@ -10,13 +10,14 @@ from auth.auth_context import get_authenticated_user
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from auth.decorators import process_auth
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from auth.permissions import ReadRepositoryPermission
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from data import database
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from data import model
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from data.registry_model import registry_model
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from endpoints.decorators import anon_protect, anon_allowed, route_show_if, parse_repository_name
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from endpoints.verbs.models_pre_oci import pre_oci_model as model
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from endpoints.v2.blob import BLOB_DIGEST_ROUTE
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from image.appc import AppCImageFormatter
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from image.docker.squashed import SquashedDockerImageFormatter
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from storage import Storage
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from util.audit import track_and_log
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from util.audit import track_and_log, wrap_repository
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from util.http import exact_abort
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from util.registry.filelike import wrap_with_handler
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from util.registry.queuefile import QueueFile
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@ -40,7 +41,7 @@ class VerbReporter(TarLayerFormatterReporter):
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metric_queue.verb_action_passes.Inc(labelvalues=[self.kind, pass_count])
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def _open_stream(formatter, repo_image, tag, derived_image_id, handlers, reporter):
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def _open_stream(formatter, tag, manifest, derived_image_id, handlers, reporter):
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"""
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This method generates a stream of data which will be replicated and read from the queue files.
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This method runs in a separate process.
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@ -48,29 +49,25 @@ def _open_stream(formatter, repo_image, tag, derived_image_id, handlers, reporte
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# For performance reasons, we load the full image list here, cache it, then disconnect from
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# the database.
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with database.UseThenDisconnect(app.config):
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image_list = list(model.get_manifest_layers_with_blobs(repo_image))
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layers = registry_model.list_manifest_layers(manifest, include_placements=True)
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def get_next_image():
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for current_image in image_list:
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yield current_image
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def image_stream_getter(store, current_image):
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def image_stream_getter(store, blob):
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def get_stream_for_storage():
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current_image_path = model.get_blob_path(current_image.blob)
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current_image_stream = store.stream_read_file(current_image.blob.locations,
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current_image_path)
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logger.debug('Returning image layer %s: %s', current_image.image_id, current_image_path)
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current_image_stream = store.stream_read_file(blob.placements, blob.storage_path)
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logger.debug('Returning blob %s: %s', blob.digest, blob.storage_path)
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return current_image_stream
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return get_stream_for_storage
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def tar_stream_getter_iterator():
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# Re-Initialize the storage engine because some may not respond well to forking (e.g. S3)
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store = Storage(app, metric_queue, config_provider=config_provider, ip_resolver=ip_resolver)
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for current_image in image_list:
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yield image_stream_getter(store, current_image)
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stream = formatter.build_stream(repo_image, tag, derived_image_id, get_next_image,
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# Note: We reverse because we have to start at the leaf layer and move upward,
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# as per the spec for the formatters.
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for layer in reversed(layers):
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yield image_stream_getter(store, layer.blob)
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stream = formatter.build_stream(tag, manifest, derived_image_id, layers,
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tar_stream_getter_iterator, reporter=reporter)
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for handler_fn in handlers:
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@ -86,14 +83,14 @@ def _sign_derived_image(verb, derived_image, queue_file):
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try:
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signature = signer.detached_sign(queue_file)
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except:
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logger.exception('Exception when signing %s deriving image %s', verb, derived_image.ref)
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logger.exception('Exception when signing %s deriving image %s', verb, derived_image)
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return
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# Setup the database (since this is a new process) and then disconnect immediately
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# once the operation completes.
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if not queue_file.raised_exception:
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with database.UseThenDisconnect(app.config):
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model.set_derived_image_signature(derived_image, signer.name, signature)
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registry_model.set_derived_image_signature(derived_image, signer.name, signature)
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def _write_derived_image_to_storage(verb, derived_image, queue_file):
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@ -102,17 +99,16 @@ def _write_derived_image_to_storage(verb, derived_image, queue_file):
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"""
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def handle_exception(ex):
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logger.debug('Exception when building %s derived image %s: %s', verb, derived_image.ref, ex)
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logger.debug('Exception when building %s derived image %s: %s', verb, derived_image, ex)
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with database.UseThenDisconnect(app.config):
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model.delete_derived_image(derived_image)
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registry_model.delete_derived_image(derived_image)
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queue_file.add_exception_handler(handle_exception)
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# Re-Initialize the storage engine because some may not respond well to forking (e.g. S3)
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store = Storage(app, metric_queue, config_provider=config_provider, ip_resolver=ip_resolver)
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image_path = model.get_blob_path(derived_image.blob)
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store.stream_write(derived_image.blob.locations, image_path, queue_file)
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store.stream_write(derived_image.blob.placements, derived_image.blob.storage_path, queue_file)
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queue_file.close()
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@ -121,17 +117,16 @@ def _torrent_for_blob(blob, is_public):
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with an error if the state is not valid (e.g. non-public, non-user request).
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"""
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# Make sure the storage has a size.
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if not blob.size:
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if not blob.compressed_size:
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abort(404)
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# Lookup the torrent information for the storage.
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torrent_info = model.get_torrent_info(blob)
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torrent_info = registry_model.get_torrent_info(blob)
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if torrent_info is None:
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abort(404)
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# Lookup the webseed path for the storage.
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path = model.get_blob_path(blob)
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webseed = storage.get_direct_download_url(blob.locations, path,
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webseed = storage.get_direct_download_url(blob.placements, blob.storage_path,
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expires_in=app.config['BITTORRENT_WEBSEED_LIFETIME'])
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if webseed is None:
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# We cannot support webseeds for storages that cannot provide direct downloads.
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@ -151,8 +146,8 @@ def _torrent_for_blob(blob, is_public):
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name = per_user_torrent_filename(torrent_config, user.uuid, blob.uuid)
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# Return the torrent file.
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torrent_file = make_torrent(torrent_config, name, webseed, blob.size, torrent_info.piece_length,
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torrent_info.pieces)
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torrent_file = make_torrent(torrent_config, name, webseed, blob.compressed_size,
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torrent_info.piece_length, torrent_info.pieces)
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headers = {
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'Content-Type': 'application/x-bittorrent',
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@ -161,7 +156,7 @@ def _torrent_for_blob(blob, is_public):
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return make_response(torrent_file, 200, headers)
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def _torrent_repo_verb(repo_image, tag, verb, **kwargs):
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def _torrent_repo_verb(repository, tag, manifest, verb, **kwargs):
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""" Handles returning a torrent for the given verb on the given image and tag. """
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if not features.BITTORRENT:
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# Torrent feature is not enabled.
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@ -169,60 +164,73 @@ def _torrent_repo_verb(repo_image, tag, verb, **kwargs):
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# Lookup an *existing* derived storage for the verb. If the verb's image storage doesn't exist,
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# we cannot create it here, so we 406.
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derived_image = model.lookup_derived_image(repo_image, verb, varying_metadata={'tag': tag})
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derived_image = registry_model.lookup_derived_image(manifest, verb,
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varying_metadata={'tag': tag.name},
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include_placements=True)
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if derived_image is None:
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abort(406)
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# Return the torrent.
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repo = model.get_repository(repo_image.repository.namespace_name, repo_image.repository.name)
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repo_is_public = repo is not None and repo.is_public
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torrent = _torrent_for_blob(derived_image.blob, repo_is_public)
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torrent = _torrent_for_blob(derived_image.blob, model.repository.is_repository_public(repository))
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# Log the action.
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track_and_log('repo_verb', repo_image.repository, tag=tag, verb=verb, torrent=True, **kwargs)
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track_and_log('repo_verb', wrap_repository(repository), tag=tag.name, verb=verb, torrent=True,
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**kwargs)
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return torrent
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def _verify_repo_verb(_, namespace, repo_name, tag, verb, checker=None):
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def _verify_repo_verb(_, namespace, repo_name, tag_name, verb, checker=None):
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permission = ReadRepositoryPermission(namespace, repo_name)
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repo = model.get_repository(namespace, repo_name)
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repo_is_public = repo is not None and repo.is_public
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repo = model.repository.get_repository(namespace, repo_name)
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repo_is_public = repo is not None and model.repository.is_repository_public(repo)
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if not permission.can() and not repo_is_public:
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logger.debug('No permission to read repository %s/%s for user %s with verb %s', namespace,
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repo_name, get_authenticated_user(), verb)
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abort(403)
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# Lookup the requested tag.
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tag_image = model.get_tag_image(namespace, repo_name, tag)
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if tag_image is None:
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logger.debug('Tag %s does not exist in repository %s/%s for user %s', tag, namespace, repo_name,
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get_authenticated_user())
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abort(404)
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if repo is not None and repo.kind != 'image':
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if repo is not None and repo.kind.name != 'image':
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logger.debug('Repository %s/%s for user %s is not an image repo', namespace, repo_name,
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get_authenticated_user())
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abort(405)
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# Make sure the repo's namespace isn't disabled.
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if not model.is_namespace_enabled(namespace):
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if not registry_model.is_namespace_enabled(namespace):
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abort(400)
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# Lookup the requested tag.
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repo_ref = registry_model.lookup_repository(namespace, repo_name)
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tag = registry_model.get_repo_tag(repo_ref, tag_name)
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if tag is None:
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logger.debug('Tag %s does not exist in repository %s/%s for user %s', tag, namespace, repo_name,
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get_authenticated_user())
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abort(404)
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# Get its associated manifest.
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manifest = registry_model.get_manifest_for_tag(tag, backfill_if_necessary=True)
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if manifest is None:
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logger.debug('Could not get manifest on %s/%s:%s::%s', namespace, repo_name, tag.name, verb)
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abort(404)
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# If there is a data checker, call it first.
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if checker is not None:
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if not checker(tag_image):
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logger.debug('Check mismatch on %s/%s:%s, verb %s', namespace, repo_name, tag, verb)
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if not checker(tag, manifest):
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logger.debug('Check mismatch on %s/%s:%s, verb %s', namespace, repo_name, tag.name, verb)
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abort(404)
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return tag_image
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# Preload the tag's repository information, so it gets cached.
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assert tag.repository.namespace_name
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assert tag.repository.name
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return tag, manifest
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def _repo_verb_signature(namespace, repository, tag, verb, checker=None, **kwargs):
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# Verify that the image exists and that we have access to it.
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repo_image = _verify_repo_verb(storage, namespace, repository, tag, verb, checker)
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def _repo_verb_signature(namespace, repository, tag_name, verb, checker=None, **kwargs):
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# Verify that the tag exists and that we have access to it.
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tag, manifest = _verify_repo_verb(storage, namespace, repository, tag_name, verb, checker)
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# derived_image the derived image storage for the verb.
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derived_image = model.lookup_derived_image(repo_image, verb, varying_metadata={'tag': tag})
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# Find the derived image storage for the verb.
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derived_image = registry_model.lookup_derived_image(manifest, verb,
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varying_metadata={'tag': tag.name})
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if derived_image is None or derived_image.blob.uploading:
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return make_response('', 202)
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@ -231,7 +239,7 @@ def _repo_verb_signature(namespace, repository, tag, verb, checker=None, **kwarg
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abort(404)
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# Lookup the signature for the verb.
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signature_value = model.get_derived_image_signature(derived_image, signer.name)
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signature_value = registry_model.get_derived_image_signature(derived_image, signer.name)
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if signature_value is None:
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abort(404)
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@ -239,53 +247,57 @@ def _repo_verb_signature(namespace, repository, tag, verb, checker=None, **kwarg
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return make_response(signature_value)
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def _repo_verb(namespace, repository, tag, verb, formatter, sign=False, checker=None, **kwargs):
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def _repo_verb(namespace, repository, tag_name, verb, formatter, sign=False, checker=None,
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**kwargs):
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# Verify that the image exists and that we have access to it.
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logger.debug('Verifying repo verb %s for repository %s/%s with user %s with mimetype %s',
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verb, namespace, repository, get_authenticated_user(), request.accept_mimetypes.best)
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repo_image = _verify_repo_verb(storage, namespace, repository, tag, verb, checker)
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tag, manifest = _verify_repo_verb(storage, namespace, repository, tag_name, verb, checker)
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# Load the repository for later.
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repo = model.repository.get_repository(namespace, repository)
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if repo is None:
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abort(404)
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# Check for torrent. If found, we return a torrent for the repo verb image (if the derived
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# image already exists).
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if request.accept_mimetypes.best == 'application/x-bittorrent':
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metric_queue.repository_pull.Inc(labelvalues=[namespace, repository, verb + '+torrent', True])
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return _torrent_repo_verb(repo_image, tag, verb, **kwargs)
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return _torrent_repo_verb(repo, tag, manifest, verb, **kwargs)
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# Log the action.
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track_and_log('repo_verb', repo_image.repository, tag=tag, verb=verb, **kwargs)
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track_and_log('repo_verb', wrap_repository(repo), tag=tag.name, verb=verb, **kwargs)
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metric_queue.repository_pull.Inc(labelvalues=[namespace, repository, verb, True])
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# Lookup/create the derived image for the verb and repo image.
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derived_image = model.lookup_or_create_derived_image(
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repo_image, verb, storage.preferred_locations[0], varying_metadata={'tag': tag})
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derived_image = registry_model.lookup_or_create_derived_image(
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manifest, verb, storage.preferred_locations[0], varying_metadata={'tag': tag.name},
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include_placements=True)
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if not derived_image.blob.uploading:
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logger.debug('Derived %s image %s exists in storage', verb, derived_image.ref)
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derived_layer_path = model.get_blob_path(derived_image.blob)
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logger.debug('Derived %s image %s exists in storage', verb, derived_image)
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is_head_request = request.method == 'HEAD'
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download_url = storage.get_direct_download_url(derived_image.blob.locations,
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derived_layer_path, head=is_head_request)
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download_url = storage.get_direct_download_url(derived_image.blob.placements,
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derived_image.blob.storage_path,
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head=is_head_request)
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if download_url:
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logger.debug('Redirecting to download URL for derived %s image %s', verb, derived_image.ref)
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logger.debug('Redirecting to download URL for derived %s image %s', verb, derived_image)
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return redirect(download_url)
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# Close the database handle here for this process before we send the long download.
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database.close_db_filter(None)
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logger.debug('Sending cached derived %s image %s', verb, derived_image.ref)
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logger.debug('Sending cached derived %s image %s', verb, derived_image)
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return send_file(
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storage.stream_read_file(derived_image.blob.locations, derived_layer_path),
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storage.stream_read_file(derived_image.blob.placements, derived_image.blob.storage_path),
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mimetype=LAYER_MIMETYPE)
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logger.debug('Building and returning derived %s image %s', verb, derived_image.ref)
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logger.debug('Building and returning derived %s image %s', verb, derived_image)
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# Close the database connection before any process forking occurs. This is important because
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# the Postgres driver does not react kindly to forking, so we need to make sure it is closed
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# so that each process will get its own unique connection.
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database.close_db_filter(None)
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# Calculate a derived image ID.
|
||||
derived_image_id = hashlib.sha256(repo_image.image_id + ':' + verb).hexdigest()
|
||||
|
||||
def _cleanup():
|
||||
# Close any existing DB connection once the process has exited.
|
||||
database.close_db_filter(None)
|
||||
|
|
@ -294,15 +306,15 @@ def _repo_verb(namespace, repository, tag, verb, formatter, sign=False, checker=
|
|||
|
||||
def _store_metadata_and_cleanup():
|
||||
with database.UseThenDisconnect(app.config):
|
||||
model.set_torrent_info(derived_image.blob, app.config['BITTORRENT_PIECE_SIZE'],
|
||||
registry_model.set_torrent_info(derived_image.blob, app.config['BITTORRENT_PIECE_SIZE'],
|
||||
hasher.final_piece_hashes())
|
||||
model.set_blob_size(derived_image.blob, hasher.hashed_bytes)
|
||||
registry_model.set_derived_image_size(derived_image, hasher.hashed_bytes)
|
||||
|
||||
# Create a queue process to generate the data. The queue files will read from the process
|
||||
# and send the results to the client and storage.
|
||||
handlers = [hasher.update]
|
||||
reporter = VerbReporter(verb)
|
||||
args = (formatter, repo_image, tag, derived_image_id, handlers, reporter)
|
||||
args = (formatter, tag, manifest, derived_image.unique_id, handlers, reporter)
|
||||
queue_process = QueueProcess(
|
||||
_open_stream,
|
||||
8 * 1024,
|
||||
|
|
@ -337,8 +349,8 @@ def _repo_verb(namespace, repository, tag, verb, formatter, sign=False, checker=
|
|||
|
||||
|
||||
def os_arch_checker(os, arch):
|
||||
def checker(repo_image):
|
||||
image_json = repo_image.compat_metadata
|
||||
def checker(tag, manifest):
|
||||
image_json = manifest.leaf_layer.v1_metadata
|
||||
|
||||
# Verify the architecture and os.
|
||||
operating_system = image_json.get('os', 'linux')
|
||||
|
|
@ -394,8 +406,8 @@ def get_squashed_tag(namespace, repository, tag):
|
|||
@process_auth
|
||||
@parse_repository_name()
|
||||
def get_tag_torrent(namespace_name, repo_name, digest):
|
||||
repo = model.get_repository(namespace_name, repo_name)
|
||||
repo_is_public = repo is not None and repo.is_public
|
||||
repo = model.repository.get_repository(namespace_name, repo_name)
|
||||
repo_is_public = repo is not None and model.repository.is_repository_public(repo)
|
||||
|
||||
permission = ReadRepositoryPermission(namespace_name, repo_name)
|
||||
if not permission.can() and not repo_is_public:
|
||||
|
|
@ -406,10 +418,14 @@ def get_tag_torrent(namespace_name, repo_name, digest):
|
|||
# We can not generate a private torrent cluster without a user uuid (e.g. token auth)
|
||||
abort(403)
|
||||
|
||||
if repo is not None and repo.kind != 'image':
|
||||
if repo is not None and repo.kind.name != 'image':
|
||||
abort(405)
|
||||
|
||||
blob = model.get_repo_blob_by_digest(namespace_name, repo_name, digest)
|
||||
repo_ref = registry_model.lookup_repository(namespace_name, repo_name)
|
||||
if repo_ref is None:
|
||||
abort(404)
|
||||
|
||||
blob = registry_model.get_repo_blob_by_digest(repo_ref, digest, include_placements=True)
|
||||
if blob is None:
|
||||
abort(404)
|
||||
|
||||
|
|
|
|||
|
|
@ -1,159 +0,0 @@
|
|||
from abc import ABCMeta, abstractmethod
|
||||
from collections import namedtuple
|
||||
|
||||
from six import add_metaclass
|
||||
|
||||
|
||||
class Repository(
|
||||
namedtuple('Repository', ['id', 'name', 'namespace_name', 'description', 'is_public',
|
||||
'kind'])):
|
||||
"""
|
||||
Repository represents a namespaced collection of tags.
|
||||
:type id: int
|
||||
:type name: string
|
||||
:type namespace_name: string
|
||||
:type description: string
|
||||
:type is_public: bool
|
||||
:type kind: string
|
||||
"""
|
||||
|
||||
|
||||
class DerivedImage(namedtuple('DerivedImage', ['ref', 'blob', 'internal_source_image_db_id'])):
|
||||
"""
|
||||
DerivedImage represents a user-facing alias for an image which was derived from another image.
|
||||
"""
|
||||
|
||||
|
||||
class RepositoryReference(namedtuple('RepositoryReference', ['id', 'name', 'namespace_name'])):
|
||||
"""
|
||||
RepositoryReference represents a reference to a Repository, without its full metadata.
|
||||
"""
|
||||
|
||||
|
||||
class ImageWithBlob(
|
||||
namedtuple('Image', [
|
||||
'image_id', 'blob', 'compat_metadata', 'repository', 'internal_db_id', 'v1_metadata'])):
|
||||
"""
|
||||
ImageWithBlob represents a user-facing alias for referencing an image, along with its blob.
|
||||
"""
|
||||
|
||||
|
||||
class Blob(namedtuple('Blob', ['uuid', 'size', 'uncompressed_size', 'uploading', 'locations'])):
|
||||
"""
|
||||
Blob represents an opaque binary blob saved to the storage system.
|
||||
"""
|
||||
|
||||
|
||||
class TorrentInfo(namedtuple('TorrentInfo', ['piece_length', 'pieces'])):
|
||||
"""
|
||||
TorrentInfo represents the torrent piece information associated with a blob.
|
||||
"""
|
||||
|
||||
|
||||
@add_metaclass(ABCMeta)
|
||||
class VerbsDataInterface(object):
|
||||
"""
|
||||
Interface that represents all data store interactions required by the registry's custom HTTP
|
||||
verbs.
|
||||
"""
|
||||
|
||||
@abstractmethod
|
||||
def get_repository(self, namespace_name, repo_name):
|
||||
"""
|
||||
Returns a repository tuple for the repository with the given name under the given namespace.
|
||||
Returns None if no such repository was found.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def get_manifest_layers_with_blobs(self, repo_image):
|
||||
"""
|
||||
Returns the full set of manifest layers and their associated blobs starting at the given
|
||||
repository image and working upwards to the root image.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def get_blob_path(self, blob):
|
||||
"""
|
||||
Returns the storage path for the given blob.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def get_derived_image_signature(self, derived_image, signer_name):
|
||||
"""
|
||||
Returns the signature associated with the derived image and a specific signer or None if none.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def set_derived_image_signature(self, derived_image, signer_name, signature):
|
||||
"""
|
||||
Sets the calculated signature for the given derived image and signer to that specified.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def delete_derived_image(self, derived_image):
|
||||
"""
|
||||
Deletes a derived image and all of its storage.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def set_blob_size(self, blob, size):
|
||||
"""
|
||||
Sets the size field on a blob to the value specified.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def get_repo_blob_by_digest(self, namespace_name, repo_name, digest):
|
||||
"""
|
||||
Returns the blob with the given digest under the matching repository or None if none.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def get_torrent_info(self, blob):
|
||||
"""
|
||||
Returns the torrent information associated with the given blob or None if none.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def set_torrent_info(self, blob, piece_length, pieces):
|
||||
"""
|
||||
Sets the torrent infomation associated with the given blob to that specified.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def lookup_derived_image(self, repo_image, verb, varying_metadata=None):
|
||||
"""
|
||||
Looks up the derived image for the given repository image, verb and optional varying metadata
|
||||
and returns it or None if none.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def lookup_or_create_derived_image(self, repo_image, verb, location, varying_metadata=None):
|
||||
"""
|
||||
Looks up the derived image for the given repository image, verb and optional varying metadata
|
||||
and returns it. If none exists, a new derived image is created.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def get_tag_image(self, namespace_name, repo_name, tag_name):
|
||||
"""
|
||||
Returns the image associated with the live tag with the given name under the matching repository
|
||||
or None if none.
|
||||
"""
|
||||
pass
|
||||
|
||||
@abstractmethod
|
||||
def is_namespace_enabled(self, namespace_name):
|
||||
""" Returns whether the given namespace exists and is enabled. """
|
||||
pass
|
||||
|
|
@ -1,205 +0,0 @@
|
|||
import json
|
||||
|
||||
from data import model
|
||||
from image.docker.v1 import DockerV1Metadata
|
||||
|
||||
from endpoints.verbs.models_interface import (
|
||||
Blob,
|
||||
DerivedImage,
|
||||
ImageWithBlob,
|
||||
Repository,
|
||||
RepositoryReference,
|
||||
TorrentInfo,
|
||||
VerbsDataInterface,)
|
||||
|
||||
|
||||
class PreOCIModel(VerbsDataInterface):
|
||||
"""
|
||||
PreOCIModel implements the data model for the registry's custom HTTP verbs using a database schema
|
||||
before it was changed to support the OCI specification.
|
||||
"""
|
||||
|
||||
def get_repository(self, namespace_name, repo_name):
|
||||
repo = model.repository.get_repository(namespace_name, repo_name)
|
||||
if repo is None:
|
||||
return None
|
||||
|
||||
return _repository_for_repo(repo)
|
||||
|
||||
def get_manifest_layers_with_blobs(self, repo_image):
|
||||
repo_image_record = model.image.get_image_by_id(
|
||||
repo_image.repository.namespace_name, repo_image.repository.name, repo_image.image_id)
|
||||
|
||||
parents = model.image.get_parent_images(
|
||||
repo_image.repository.namespace_name, repo_image.repository.name, repo_image_record)
|
||||
placements_map = model.image.get_placements_for_images(parents)
|
||||
|
||||
yield repo_image
|
||||
|
||||
for parent in parents:
|
||||
metadata = {}
|
||||
try:
|
||||
metadata = json.loads(parent.v1_json_metadata)
|
||||
except ValueError:
|
||||
pass
|
||||
|
||||
locations = [placement.location.name for placement in placements_map[parent.storage.id]]
|
||||
yield ImageWithBlob(
|
||||
image_id=parent.docker_image_id,
|
||||
blob=_blob(parent.storage, locations=locations),
|
||||
repository=repo_image.repository,
|
||||
compat_metadata=metadata,
|
||||
v1_metadata=_docker_v1_metadata(repo_image.repository.namespace_name,
|
||||
repo_image.repository.name, parent),
|
||||
internal_db_id=parent.id,)
|
||||
|
||||
def get_derived_image_signature(self, derived_image, signer_name):
|
||||
storage = model.storage.get_storage_by_uuid(derived_image.blob.uuid)
|
||||
signature_entry = model.storage.lookup_storage_signature(storage, signer_name)
|
||||
if signature_entry is None:
|
||||
return None
|
||||
|
||||
return signature_entry.signature
|
||||
|
||||
def set_derived_image_signature(self, derived_image, signer_name, signature):
|
||||
storage = model.storage.get_storage_by_uuid(derived_image.blob.uuid)
|
||||
signature_entry = model.storage.find_or_create_storage_signature(storage, signer_name)
|
||||
signature_entry.signature = signature
|
||||
signature_entry.uploading = False
|
||||
signature_entry.save()
|
||||
|
||||
def delete_derived_image(self, derived_image):
|
||||
model.image.delete_derived_storage_by_uuid(derived_image.blob.uuid)
|
||||
|
||||
def set_blob_size(self, blob, size):
|
||||
storage_entry = model.storage.get_storage_by_uuid(blob.uuid)
|
||||
storage_entry.image_size = size
|
||||
storage_entry.uploading = False
|
||||
storage_entry.save()
|
||||
|
||||
def get_blob_path(self, blob):
|
||||
blob_record = model.storage.get_storage_by_uuid(blob.uuid)
|
||||
return model.storage.get_layer_path(blob_record)
|
||||
|
||||
def get_repo_blob_by_digest(self, namespace_name, repo_name, digest):
|
||||
try:
|
||||
blob_record = model.blob.get_repo_blob_by_digest(namespace_name, repo_name, digest)
|
||||
except model.BlobDoesNotExist:
|
||||
return None
|
||||
|
||||
return _blob(blob_record)
|
||||
|
||||
def get_torrent_info(self, blob):
|
||||
blob_record = model.storage.get_storage_by_uuid(blob.uuid)
|
||||
|
||||
try:
|
||||
torrent_info = model.storage.get_torrent_info(blob_record)
|
||||
except model.TorrentInfoDoesNotExist:
|
||||
return None
|
||||
|
||||
return TorrentInfo(
|
||||
pieces=torrent_info.pieces,
|
||||
piece_length=torrent_info.piece_length,)
|
||||
|
||||
def set_torrent_info(self, blob, piece_length, pieces):
|
||||
blob_record = model.storage.get_storage_by_uuid(blob.uuid)
|
||||
model.storage.save_torrent_info(blob_record, piece_length, pieces)
|
||||
|
||||
def lookup_derived_image(self, repo_image, verb, varying_metadata=None):
|
||||
blob_record = model.image.find_derived_storage_for_image(repo_image.internal_db_id, verb,
|
||||
varying_metadata)
|
||||
if blob_record is None:
|
||||
return None
|
||||
|
||||
return _derived_image(blob_record, repo_image)
|
||||
|
||||
def lookup_or_create_derived_image(self, repo_image, verb, location, varying_metadata=None):
|
||||
blob_record = model.image.find_or_create_derived_storage(repo_image.internal_db_id, verb,
|
||||
location, varying_metadata)
|
||||
return _derived_image(blob_record, repo_image)
|
||||
|
||||
def get_tag_image(self, namespace_name, repo_name, tag_name):
|
||||
try:
|
||||
found = model.tag.get_tag_image(namespace_name, repo_name, tag_name, include_storage=True)
|
||||
except model.DataModelException:
|
||||
return None
|
||||
|
||||
metadata = {}
|
||||
try:
|
||||
metadata = json.loads(found.v1_json_metadata)
|
||||
except ValueError:
|
||||
pass
|
||||
|
||||
return ImageWithBlob(
|
||||
image_id=found.docker_image_id,
|
||||
blob=_blob(found.storage),
|
||||
repository=RepositoryReference(
|
||||
namespace_name=namespace_name,
|
||||
name=repo_name,
|
||||
id=found.repository_id,),
|
||||
compat_metadata=metadata,
|
||||
v1_metadata=_docker_v1_metadata(namespace_name, repo_name, found),
|
||||
internal_db_id=found.id,)
|
||||
|
||||
def is_namespace_enabled(self, namespace_name):
|
||||
namespace = model.user.get_namespace_user(namespace_name)
|
||||
return namespace is not None and namespace.enabled
|
||||
|
||||
|
||||
pre_oci_model = PreOCIModel()
|
||||
|
||||
|
||||
def _docker_v1_metadata(namespace_name, repo_name, repo_image):
|
||||
"""
|
||||
Returns a DockerV1Metadata object for the given Pre-OCI repo_image under the
|
||||
repository with the given namespace and name. Note that the namespace and
|
||||
name are passed here as an optimization, and are *not checked* against the
|
||||
image.
|
||||
"""
|
||||
return DockerV1Metadata(
|
||||
namespace_name=namespace_name,
|
||||
repo_name=repo_name,
|
||||
image_id=repo_image.docker_image_id,
|
||||
checksum=repo_image.v1_checksum,
|
||||
compat_json=repo_image.v1_json_metadata,
|
||||
created=repo_image.created,
|
||||
comment=repo_image.comment,
|
||||
command=repo_image.command,
|
||||
|
||||
# Note: These are not needed in verbs and are expensive to load, so we just skip them.
|
||||
content_checksum=None,
|
||||
parent_image_id=None,)
|
||||
|
||||
|
||||
def _derived_image(blob_record, repo_image):
|
||||
"""
|
||||
Returns a DerivedImage object for the given Pre-OCI data model blob and repo_image instance.
|
||||
"""
|
||||
return DerivedImage(
|
||||
ref=repo_image.internal_db_id,
|
||||
blob=_blob(blob_record),
|
||||
internal_source_image_db_id=repo_image.internal_db_id,)
|
||||
|
||||
|
||||
def _blob(blob_record, locations=None):
|
||||
"""
|
||||
Returns a Blob object for the given Pre-OCI data model blob instance.
|
||||
"""
|
||||
locations = locations or model.storage.get_storage_locations(blob_record.uuid)
|
||||
return Blob(
|
||||
uuid=blob_record.uuid,
|
||||
size=blob_record.image_size,
|
||||
uncompressed_size=blob_record.uncompressed_size,
|
||||
uploading=blob_record.uploading,
|
||||
locations=locations,)
|
||||
|
||||
|
||||
def _repository_for_repo(repo):
|
||||
""" Returns a Repository object representing the Pre-OCI data model repo instance given. """
|
||||
return Repository(
|
||||
id=repo.id,
|
||||
name=repo.name,
|
||||
namespace_name=repo.namespace_user.username,
|
||||
description=repo.description,
|
||||
is_public=model.repository.is_repository_public(repo),
|
||||
kind=model.repository.get_repo_kind_name(repo),)
|
||||
|
|
@ -21,7 +21,7 @@ class AppCImageFormatter(TarImageFormatter):
|
|||
def stream_generator(self, tag, manifest, synthetic_image_id, layer_iterator,
|
||||
tar_stream_getter_iterator, reporter=None):
|
||||
image_mtime = 0
|
||||
created = manifest.created_datetime
|
||||
created = manifest.get_parsed_manifest().created_datetime
|
||||
if created is not None:
|
||||
image_mtime = calendar.timegm(created.utctimetuple())
|
||||
|
||||
|
|
@ -30,12 +30,12 @@ class AppCImageFormatter(TarImageFormatter):
|
|||
# rootfs - The root file system
|
||||
|
||||
# Yield the manifest.
|
||||
manifest = json.dumps(DockerV1ToACIManifestTranslator.build_manifest(
|
||||
aci_manifest = json.dumps(DockerV1ToACIManifestTranslator.build_manifest(
|
||||
tag,
|
||||
manifest,
|
||||
synthetic_image_id
|
||||
))
|
||||
yield self.tar_file('manifest', manifest, mtime=image_mtime)
|
||||
yield self.tar_file('manifest', aci_manifest, mtime=image_mtime)
|
||||
|
||||
# Yield the merged layer dtaa.
|
||||
yield self.tar_folder('rootfs', mtime=image_mtime)
|
||||
|
|
|
|||
|
|
@ -31,7 +31,8 @@ class SquashedDockerImageFormatter(TarImageFormatter):
|
|||
def stream_generator(self, tag, manifest, synthetic_image_id, layer_iterator,
|
||||
tar_stream_getter_iterator, reporter=None):
|
||||
image_mtime = 0
|
||||
created = manifest.created_datetime
|
||||
parsed_manifest = manifest.get_parsed_manifest()
|
||||
created = parsed_manifest.created_datetime
|
||||
if created is not None:
|
||||
image_mtime = calendar.timegm(created.utctimetuple())
|
||||
|
||||
|
|
@ -46,7 +47,7 @@ class SquashedDockerImageFormatter(TarImageFormatter):
|
|||
|
||||
# Yield the repositories file:
|
||||
synthetic_layer_info = {}
|
||||
synthetic_layer_info[tag + '.squash'] = synthetic_image_id
|
||||
synthetic_layer_info[tag.name + '.squash'] = synthetic_image_id
|
||||
|
||||
hostname = app.config['SERVER_HOSTNAME']
|
||||
repositories = {}
|
||||
|
|
@ -60,7 +61,7 @@ class SquashedDockerImageFormatter(TarImageFormatter):
|
|||
yield self.tar_folder(synthetic_image_id, mtime=image_mtime)
|
||||
|
||||
# Yield the JSON layer data.
|
||||
layer_json = SquashedDockerImageFormatter._build_layer_json(manifest, synthetic_image_id)
|
||||
layer_json = SquashedDockerImageFormatter._build_layer_json(parsed_manifest, synthetic_image_id)
|
||||
yield self.tar_file(synthetic_image_id + '/json', json.dumps(layer_json), mtime=image_mtime)
|
||||
|
||||
# Yield the VERSION file.
|
||||
|
|
@ -69,7 +70,7 @@ class SquashedDockerImageFormatter(TarImageFormatter):
|
|||
# Yield the merged layer data's header.
|
||||
estimated_file_size = 0
|
||||
for layer in layer_iterator:
|
||||
estimated_file_size += layer.estimated_file_size(SquashedDockerImageFormatter.SIZE_MULTIPLIER)
|
||||
estimated_file_size += layer.estimated_size(SquashedDockerImageFormatter.SIZE_MULTIPLIER)
|
||||
|
||||
# Make sure the estimated file size is an integer number of bytes.
|
||||
estimated_file_size = int(math.ceil(estimated_file_size))
|
||||
|
|
@ -108,8 +109,7 @@ class SquashedDockerImageFormatter(TarImageFormatter):
|
|||
|
||||
@staticmethod
|
||||
def _build_layer_json(manifest, synthetic_image_id):
|
||||
layer_json = manifest.leaf_layer.v1_metadata
|
||||
updated_json = copy.deepcopy(layer_json)
|
||||
updated_json = json.loads(manifest.leaf_layer.raw_v1_metadata)
|
||||
updated_json['id'] = synthetic_image_id
|
||||
|
||||
if 'parent' in updated_json:
|
||||
|
|
|
|||
|
|
@ -26,7 +26,7 @@ class FakeStorage(BaseStorageV2):
|
|||
|
||||
def get_content(self, path):
|
||||
if not path in _FAKE_STORAGE_MAP:
|
||||
raise IOError('Fake file %s not found' % path)
|
||||
raise IOError('Fake file %s not found. Exist: %s' % (path, _FAKE_STORAGE_MAP.keys()))
|
||||
|
||||
_FAKE_STORAGE_MAP.get(path).seek(0)
|
||||
return _FAKE_STORAGE_MAP.get(path).read()
|
||||
|
|
|
|||
|
|
@ -30,8 +30,10 @@ def sized_images():
|
|||
parent_bytes = layer_bytes_for_contents('parent contents', mode='')
|
||||
image_bytes = layer_bytes_for_contents('some contents', mode='')
|
||||
return [
|
||||
Image(id='parentid', bytes=parent_bytes, parent_id=None, size=len(parent_bytes)),
|
||||
Image(id='someid', bytes=image_bytes, parent_id='parentid', size=len(image_bytes)),
|
||||
Image(id='parentid', bytes=parent_bytes, parent_id=None, size=len(parent_bytes),
|
||||
config={'foo': 'bar'}),
|
||||
Image(id='someid', bytes=image_bytes, parent_id='parentid', size=len(image_bytes),
|
||||
config={'foo': 'childbar'}),
|
||||
]
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -953,7 +953,7 @@ def test_squashed_images(use_estimates, pusher, sized_images, liveserver_session
|
|||
tar = tarfile.open(fileobj=StringIO(response.content))
|
||||
|
||||
# Verify the squashed image.
|
||||
expected_image_id = '13a2d9711a3e242fcd50a7627c02d86901ac801b78dcea3147e8ff640078de52'
|
||||
expected_image_id = 'cdc6d6c0d07d2cbacfc579e49ce0c256c5084b9b2b16c1b1b0c45f26a12a4ba5'
|
||||
expected_names = ['repositories',
|
||||
expected_image_id,
|
||||
'%s/json' % expected_image_id,
|
||||
|
|
@ -968,9 +968,14 @@ def test_squashed_images(use_estimates, pusher, sized_images, liveserver_session
|
|||
# Ensure the JSON loads and parses.
|
||||
result = json.loads(json_data)
|
||||
assert result['id'] == expected_image_id
|
||||
assert result['config']['foo'] == 'childbar'
|
||||
|
||||
# Ensure that squashed layer tar can be opened.
|
||||
tarfile.open(fileobj=tar.extractfile(tar.getmember('%s/layer.tar' % expected_image_id)))
|
||||
tar = tarfile.open(fileobj=tar.extractfile(tar.getmember('%s/layer.tar' % expected_image_id)))
|
||||
assert tar.getnames() == ['contents']
|
||||
|
||||
# Check the contents.
|
||||
assert tar.extractfile('contents').read() == 'some contents'
|
||||
|
||||
|
||||
@pytest.mark.parametrize('push_user, push_namespace, push_repo, mount_repo_name, expected_failure', [
|
||||
|
|
|
|||
|
|
@ -2103,7 +2103,7 @@ class SquashingTests(RegistryTestCaseMixin, V1RegistryPushMixin, LiveServerTestC
|
|||
|
||||
# Create the repo.
|
||||
self.do_push('devtable', 'newrepo', 'devtable', 'password', images=initial_images)
|
||||
initial_image_id = '91081df45b58dc62dd207441785eef2b895f0383fbe601c99a3cf643c79957dc'
|
||||
initial_image_id = 'cdc6d6c0d07d2cbacfc579e49ce0c256c5084b9b2b16c1b1b0c45f26a12a4ba5'
|
||||
|
||||
# Pull the squashed version of the tag.
|
||||
tar, _ = self.get_squashed_image(auth=('devtable', 'password'))
|
||||
|
|
@ -2119,7 +2119,7 @@ class SquashingTests(RegistryTestCaseMixin, V1RegistryPushMixin, LiveServerTestC
|
|||
|
||||
# Create the repo.
|
||||
self.do_push('devtable', 'newrepo', 'devtable', 'password', images=initial_images)
|
||||
initial_image_id = '91081df45b58dc62dd207441785eef2b895f0383fbe601c99a3cf643c79957dc'
|
||||
initial_image_id = 'cdc6d6c0d07d2cbacfc579e49ce0c256c5084b9b2b16c1b1b0c45f26a12a4ba5'
|
||||
|
||||
# Pull the squashed version of the tag.
|
||||
tar, _ = self.get_squashed_image()
|
||||
|
|
@ -2134,7 +2134,7 @@ class SquashingTests(RegistryTestCaseMixin, V1RegistryPushMixin, LiveServerTestC
|
|||
]
|
||||
|
||||
self.do_push('devtable', 'newrepo', 'devtable', 'password', images=updated_images)
|
||||
updated_image_id = '38df4bd4cdffc6b7d656dbd2813c73e864f2d362ad887c999ac315224ad281ac'
|
||||
updated_image_id = '57e8d9226ca95ed4d9b303a4104cb6475605e00f6ce536fe6ed54a5d1f559882'
|
||||
|
||||
# Pull the squashed version of the tag and ensure it has changed.
|
||||
tar, _ = self.get_squashed_image()
|
||||
|
|
@ -2157,7 +2157,7 @@ class SquashingTests(RegistryTestCaseMixin, V1RegistryPushMixin, LiveServerTestC
|
|||
self.conduct('POST', '/__test/removeuncompressed/initialid')
|
||||
|
||||
# Pull the squashed version of the tag.
|
||||
initial_image_id = '91081df45b58dc62dd207441785eef2b895f0383fbe601c99a3cf643c79957dc'
|
||||
initial_image_id = 'cdc6d6c0d07d2cbacfc579e49ce0c256c5084b9b2b16c1b1b0c45f26a12a4ba5'
|
||||
tar, _ = self.get_squashed_image()
|
||||
self.assertTrue(initial_image_id in tar.getnames())
|
||||
|
||||
|
|
@ -2179,7 +2179,7 @@ class SquashingTests(RegistryTestCaseMixin, V1RegistryPushMixin, LiveServerTestC
|
|||
self.do_push('devtable', 'newrepo', 'devtable', 'password', images=images)
|
||||
|
||||
# Pull the squashed version of the tag.
|
||||
expected_image_id = 'bd590ae79fba5ebc6550aaf016c0bd0f49b1d78178e0f83e0ca1c56c2bb7e7bf'
|
||||
expected_image_id = 'cdc6d6c0d07d2cbacfc579e49ce0c256c5084b9b2b16c1b1b0c45f26a12a4ba5'
|
||||
|
||||
expected_names = ['repositories',
|
||||
expected_image_id,
|
||||
|
|
@ -2212,7 +2212,7 @@ class SquashingTests(RegistryTestCaseMixin, V1RegistryPushMixin, LiveServerTestC
|
|||
|
||||
# Create the repo.
|
||||
self.do_push('devtable', 'newrepo', 'devtable', 'password', images=initial_images)
|
||||
initial_image_id = '91081df45b58dc62dd207441785eef2b895f0383fbe601c99a3cf643c79957dc'
|
||||
initial_image_id = 'cdc6d6c0d07d2cbacfc579e49ce0c256c5084b9b2b16c1b1b0c45f26a12a4ba5'
|
||||
|
||||
# Try to pull the torrent of the squashed image. This should fail with a 406 since the
|
||||
# squashed image doesn't yet exist.
|
||||
|
|
|
|||
|
|
@ -1,6 +1,7 @@
|
|||
import logging
|
||||
import random
|
||||
|
||||
from collections import namedtuple
|
||||
from urlparse import urlparse
|
||||
|
||||
from flask import request
|
||||
|
|
@ -11,6 +12,13 @@ from auth.auth_context import get_authenticated_context, get_authenticated_user
|
|||
|
||||
logger = logging.getLogger(__name__)
|
||||
|
||||
Repository = namedtuple('Repository', ['namespace_name', 'name', 'id'])
|
||||
|
||||
def wrap_repository(repo_obj):
|
||||
return Repository(namespace_name=repo_obj.namespace_user.username, name=repo_obj.name,
|
||||
id=repo_obj.id)
|
||||
|
||||
|
||||
def track_and_log(event_name, repo_obj, analytics_name=None, analytics_sample=1, **kwargs):
|
||||
repo_name = repo_obj.name
|
||||
namespace_name = repo_obj.namespace_name
|
||||
|
|
|
|||
Reference in a new issue