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quay/data/registry_model/test/test_interface.py

724 lines
28 KiB
Python

import hashlib
import uuid
from datetime import datetime, timedelta
import pytest
from mock import patch
from playhouse.test_utils import assert_query_count
from app import docker_v2_signing_key
from data import model
from data.database import (TagManifestLabelMap, TagManifestToManifest, Manifest, ManifestBlob,
ManifestLegacyImage, ManifestLabel, TagManifest, RepositoryTag, Image,
TagManifestLabel, TagManifest, TagManifestLabel, DerivedStorageForImage,
TorrentInfo, Tag, TagToRepositoryTag, close_db_filter)
from data.cache.impl import InMemoryDataModelCache
from data.registry_model.registry_pre_oci_model import PreOCIModel
from data.registry_model.datatypes import RepositoryReference
from image.docker.schema1 import DockerSchema1ManifestBuilder
from test.fixtures import *
@pytest.fixture(params=[PreOCIModel])
def registry_model(request, initialized_db):
return request.param()
@pytest.mark.parametrize('names, expected', [
(['unknown'], None),
(['latest'], {'latest'}),
(['latest', 'prod'], {'latest', 'prod'}),
(['latest', 'prod', 'another'], {'latest', 'prod'}),
(['foo', 'prod'], {'prod'}),
])
def test_find_matching_tag(names, expected, registry_model):
repo = model.repository.get_repository('devtable', 'simple')
repository_ref = RepositoryReference.for_repo_obj(repo)
found = registry_model.find_matching_tag(repository_ref, names)
if expected is None:
assert found is None
else:
assert found.name in expected
assert found.repository.namespace_name == 'devtable'
assert found.repository.name == 'simple'
@pytest.mark.parametrize('repo_namespace, repo_name, expected', [
('devtable', 'simple', {'latest', 'prod'}),
('buynlarge', 'orgrepo', {'latest', 'prod'}),
])
def test_get_most_recent_tag(repo_namespace, repo_name, expected, registry_model):
repo = model.repository.get_repository(repo_namespace, repo_name)
repository_ref = RepositoryReference.for_repo_obj(repo)
found = registry_model.get_most_recent_tag(repository_ref)
if expected is None:
assert found is None
else:
assert found.name in expected
@pytest.mark.parametrize('repo_namespace, repo_name, expected', [
('devtable', 'simple', True),
('buynlarge', 'orgrepo', True),
('buynlarge', 'unknownrepo', False),
])
def test_lookup_repository(repo_namespace, repo_name, expected, registry_model):
repo_ref = registry_model.lookup_repository(repo_namespace, repo_name)
if expected:
assert repo_ref
else:
assert repo_ref is None
@pytest.mark.parametrize('repo_namespace, repo_name', [
('devtable', 'simple'),
('buynlarge', 'orgrepo'),
])
def test_lookup_manifests(repo_namespace, repo_name, registry_model):
repo = model.repository.get_repository(repo_namespace, repo_name)
repository_ref = RepositoryReference.for_repo_obj(repo)
found_tag = registry_model.find_matching_tag(repository_ref, ['latest'])
found_manifest = registry_model.get_manifest_for_tag(found_tag)
found = registry_model.lookup_manifest_by_digest(repository_ref, found_manifest.digest,
include_legacy_image=True)
assert found._db_id == found_manifest._db_id
assert found.digest == found_manifest.digest
assert found.legacy_image
def test_lookup_unknown_manifest(registry_model):
repo = model.repository.get_repository('devtable', 'simple')
repository_ref = RepositoryReference.for_repo_obj(repo)
found = registry_model.lookup_manifest_by_digest(repository_ref, 'sha256:deadbeef')
assert found is None
@pytest.mark.parametrize('repo_namespace, repo_name', [
('devtable', 'simple'),
('devtable', 'complex'),
('devtable', 'history'),
('buynlarge', 'orgrepo'),
])
def test_legacy_images(repo_namespace, repo_name, registry_model):
repository_ref = registry_model.lookup_repository(repo_namespace, repo_name)
legacy_images = registry_model.get_legacy_images(repository_ref)
assert len(legacy_images)
found_tags = set()
for image in legacy_images:
found_image = registry_model.get_legacy_image(repository_ref, image.docker_image_id,
include_parents=True)
with assert_query_count(5 if found_image.parents else 4):
found_image = registry_model.get_legacy_image(repository_ref, image.docker_image_id,
include_parents=True, include_blob=True)
assert found_image.docker_image_id == image.docker_image_id
assert found_image.parents == image.parents
assert found_image.blob
assert found_image.blob.placements
# Check that the tags list can be retrieved.
assert image.tags is not None
found_tags.update({tag.name for tag in image.tags})
# Check against the actual DB row.
model_image = model.image.get_image(repository_ref._db_id, found_image.docker_image_id)
assert model_image.id == found_image._db_id
assert ([pid for pid in reversed(model_image.ancestor_id_list())] ==
[p._db_id for p in found_image.parents])
# Try without parents and ensure it raises an exception.
found_image = registry_model.get_legacy_image(repository_ref, image.docker_image_id,
include_parents=False)
with pytest.raises(Exception):
assert not found_image.parents
assert found_tags
unknown = registry_model.get_legacy_image(repository_ref, 'unknown', include_parents=True)
assert unknown is None
def test_manifest_labels(registry_model):
repo = model.repository.get_repository('devtable', 'simple')
repository_ref = RepositoryReference.for_repo_obj(repo)
found_tag = registry_model.find_matching_tag(repository_ref, ['latest'])
found_manifest = registry_model.get_manifest_for_tag(found_tag)
# Create a new label.
created = registry_model.create_manifest_label(found_manifest, 'foo', 'bar', 'api')
assert created.key == 'foo'
assert created.value == 'bar'
assert created.source_type_name == 'api'
assert created.media_type_name == 'text/plain'
# Ensure we can look it up.
assert registry_model.get_manifest_label(found_manifest, created.uuid) == created
# Ensure it is in our list of labels.
assert created in registry_model.list_manifest_labels(found_manifest)
assert created in registry_model.list_manifest_labels(found_manifest, key_prefix='fo')
# Ensure it is *not* in our filtered list.
assert created not in registry_model.list_manifest_labels(found_manifest, key_prefix='ba')
# Delete the label and ensure it is gone.
assert registry_model.delete_manifest_label(found_manifest, created.uuid)
assert registry_model.get_manifest_label(found_manifest, created.uuid) is None
assert created not in registry_model.list_manifest_labels(found_manifest)
def test_manifest_label_handlers(registry_model):
repo = model.repository.get_repository('devtable', 'simple')
repository_ref = RepositoryReference.for_repo_obj(repo)
found_tag = registry_model.get_repo_tag(repository_ref, 'latest')
found_manifest = registry_model.get_manifest_for_tag(found_tag)
# Ensure the tag has no expiration.
assert found_tag.lifetime_end_ts is None
# Create a new label with an expires-after.
registry_model.create_manifest_label(found_manifest, 'quay.expires-after', '2h', 'api')
# Ensure the tag now has an expiration.
updated_tag = registry_model.get_repo_tag(repository_ref, 'latest')
assert updated_tag.lifetime_end_ts == (updated_tag.lifetime_start_ts + (60 * 60 * 2))
def test_batch_labels(registry_model):
repo = model.repository.get_repository('devtable', 'history')
repository_ref = RepositoryReference.for_repo_obj(repo)
found_tag = registry_model.find_matching_tag(repository_ref, ['latest'])
found_manifest = registry_model.get_manifest_for_tag(found_tag)
with registry_model.batch_create_manifest_labels(found_manifest) as add_label:
add_label('foo', '1', 'api')
add_label('bar', '2', 'api')
add_label('baz', '3', 'api')
# Ensure we can look them up.
assert len(registry_model.list_manifest_labels(found_manifest)) == 3
@pytest.mark.parametrize('repo_namespace, repo_name', [
('devtable', 'simple'),
('devtable', 'complex'),
('devtable', 'history'),
('buynlarge', 'orgrepo'),
])
def test_repository_tags(repo_namespace, repo_name, registry_model):
repository_ref = registry_model.lookup_repository(repo_namespace, repo_name)
with assert_query_count(1):
tags = registry_model.list_repository_tags(repository_ref, include_legacy_images=True)
assert len(tags)
for tag in tags:
with assert_query_count(2):
found_tag = registry_model.get_repo_tag(repository_ref, tag.name, include_legacy_image=True)
assert found_tag == tag
if found_tag.legacy_image is None:
continue
with assert_query_count(2):
found_image = registry_model.get_legacy_image(repository_ref,
found_tag.legacy_image.docker_image_id)
assert found_image == found_tag.legacy_image
def test_repository_tag_history(registry_model):
repository_ref = registry_model.lookup_repository('devtable', 'history')
with assert_query_count(2):
history, has_more = registry_model.list_repository_tag_history(repository_ref)
assert not has_more
assert len(history) == 2
# Ensure the latest tag is marked expired, since there is an expired one.
with assert_query_count(1):
assert registry_model.has_expired_tag(repository_ref, 'latest')
@pytest.mark.parametrize('repo_namespace, repo_name', [
('devtable', 'simple'),
('devtable', 'complex'),
('devtable', 'history'),
('buynlarge', 'orgrepo'),
])
@pytest.mark.parametrize('via_manifest', [
False,
True,
])
def test_delete_tags(repo_namespace, repo_name, via_manifest, registry_model):
repository_ref = registry_model.lookup_repository(repo_namespace, repo_name)
tags = registry_model.list_repository_tags(repository_ref)
assert len(tags)
# Save history before the deletions.
previous_history, _ = registry_model.list_repository_tag_history(repository_ref, size=1000)
assert len(previous_history) >= len(tags)
# Delete every tag in the repository.
for tag in tags:
if via_manifest:
assert registry_model.delete_tag(repository_ref, tag.name)
else:
manifest = registry_model.get_manifest_for_tag(tag)
if manifest is not None:
assert registry_model.delete_tags_for_manifest(manifest)
# Make sure the tag is no longer found.
with assert_query_count(1):
found_tag = registry_model.get_repo_tag(repository_ref, tag.name, include_legacy_image=True)
assert found_tag is None
# Ensure all tags have been deleted.
tags = registry_model.list_repository_tags(repository_ref)
assert not len(tags)
# Ensure that the tags all live in history.
history, _ = registry_model.list_repository_tag_history(repository_ref, size=1000)
assert len(history) == len(previous_history)
@pytest.mark.parametrize('use_manifest', [
True,
False,
])
def test_retarget_tag_history(use_manifest, registry_model):
repository_ref = registry_model.lookup_repository('devtable', 'history')
history, _ = registry_model.list_repository_tag_history(repository_ref)
if use_manifest:
manifest_or_legacy_image = registry_model.lookup_manifest_by_digest(repository_ref,
history[1].manifest_digest,
allow_dead=True)
else:
manifest_or_legacy_image = history[1].legacy_image
# Retarget the tag.
assert manifest_or_legacy_image
updated_tag = registry_model.retarget_tag(repository_ref, 'latest', manifest_or_legacy_image,
is_reversion=True)
# Ensure the tag has changed targets.
if use_manifest:
assert updated_tag.manifest_digest == manifest_or_legacy_image.digest
else:
assert updated_tag.legacy_image == manifest_or_legacy_image
# Ensure history has been updated.
new_history, _ = registry_model.list_repository_tag_history(repository_ref)
assert len(new_history) == len(history) + 1
def test_retarget_tag(registry_model):
repository_ref = registry_model.lookup_repository('devtable', 'complex')
history, _ = registry_model.list_repository_tag_history(repository_ref)
prod_tag = registry_model.get_repo_tag(repository_ref, 'prod', include_legacy_image=True)
# Retarget the tag.
updated_tag = registry_model.retarget_tag(repository_ref, 'latest', prod_tag.legacy_image)
# Ensure the tag has changed targets.
assert updated_tag.legacy_image == prod_tag.legacy_image
# Ensure history has been updated.
new_history, _ = registry_model.list_repository_tag_history(repository_ref)
assert len(new_history) == len(history) + 1
def test_change_repository_tag_expiration(registry_model):
repository_ref = registry_model.lookup_repository('devtable', 'simple')
tag = registry_model.get_repo_tag(repository_ref, 'latest')
assert tag.lifetime_end_ts is None
new_datetime = datetime.utcnow() + timedelta(days=2)
previous, okay = registry_model.change_repository_tag_expiration(tag, new_datetime)
assert okay
assert previous is None
tag = registry_model.get_repo_tag(repository_ref, 'latest')
assert tag.lifetime_end_ts is not None
@pytest.mark.parametrize('repo_namespace, repo_name, expected_non_empty', [
('devtable', 'simple', []),
('devtable', 'complex', ['prod', 'v2.0']),
('devtable', 'history', ['latest']),
('buynlarge', 'orgrepo', []),
('devtable', 'gargantuan', ['v2.0', 'v3.0', 'v4.0', 'v5.0', 'v6.0']),
])
def test_get_legacy_images_owned_by_tag(repo_namespace, repo_name, expected_non_empty,
registry_model):
repository_ref = registry_model.lookup_repository(repo_namespace, repo_name)
tags = registry_model.list_repository_tags(repository_ref)
assert len(tags)
non_empty = set()
for tag in tags:
if registry_model.get_legacy_images_owned_by_tag(tag):
non_empty.add(tag.name)
assert non_empty == set(expected_non_empty)
def test_get_security_status(registry_model):
repository_ref = registry_model.lookup_repository('devtable', 'simple')
tags = registry_model.list_repository_tags(repository_ref, include_legacy_images=True)
assert len(tags)
for tag in tags:
assert registry_model.get_security_status(tag.legacy_image)
@pytest.fixture()
def clear_rows(initialized_db):
# Remove all new-style rows so we can backfill.
TagToRepositoryTag.delete().execute()
Tag.delete().execute()
TagManifestLabelMap.delete().execute()
ManifestLabel.delete().execute()
ManifestBlob.delete().execute()
ManifestLegacyImage.delete().execute()
TagManifestToManifest.delete().execute()
Manifest.delete().execute()
TagManifestLabel.delete().execute()
TagManifest.delete().execute()
@pytest.mark.parametrize('repo_namespace, repo_name', [
('devtable', 'simple'),
('devtable', 'complex'),
('devtable', 'history'),
('buynlarge', 'orgrepo'),
])
def test_backfill_manifest_for_tag(repo_namespace, repo_name, clear_rows, registry_model):
repository_ref = registry_model.lookup_repository(repo_namespace, repo_name)
tags = registry_model.list_repository_tags(repository_ref)
assert tags
for tag in tags:
assert not tag.manifest_digest
assert registry_model.backfill_manifest_for_tag(tag)
tags = registry_model.list_repository_tags(repository_ref, include_legacy_images=True)
assert tags
for tag in tags:
assert tag.manifest_digest
manifest = registry_model.get_manifest_for_tag(tag)
assert manifest
legacy_image = registry_model.get_legacy_image(repository_ref, tag.legacy_image.docker_image_id,
include_parents=True)
parsed_manifest = manifest.get_parsed_manifest()
assert parsed_manifest.leaf_layer_v1_image_id == legacy_image.docker_image_id
assert parsed_manifest.parent_image_ids == {p.docker_image_id for p in legacy_image.parents}
@pytest.mark.parametrize('repo_namespace, repo_name', [
('devtable', 'simple'),
('devtable', 'complex'),
('devtable', 'history'),
('buynlarge', 'orgrepo'),
])
def test_backfill_manifest_on_lookup(repo_namespace, repo_name, clear_rows, registry_model):
repository_ref = registry_model.lookup_repository(repo_namespace, repo_name)
tags = registry_model.list_repository_tags(repository_ref)
assert tags
for tag in tags:
assert not tag.manifest_digest
assert not registry_model.get_manifest_for_tag(tag)
manifest = registry_model.get_manifest_for_tag(tag, backfill_if_necessary=True)
assert manifest
updated_tag = registry_model.get_repo_tag(repository_ref, tag.name)
assert updated_tag.manifest_digest == manifest.digest
@pytest.mark.parametrize('namespace, expect_enabled', [
('devtable', True),
('buynlarge', True),
('disabled', False),
])
def test_is_namespace_enabled(namespace, expect_enabled, registry_model):
assert registry_model.is_namespace_enabled(namespace) == expect_enabled
@pytest.mark.parametrize('repo_namespace, repo_name', [
('devtable', 'simple'),
('devtable', 'complex'),
('devtable', 'history'),
('buynlarge', 'orgrepo'),
])
def test_list_manifest_layers(repo_namespace, repo_name, registry_model):
repository_ref = registry_model.lookup_repository(repo_namespace, repo_name)
tags = registry_model.list_repository_tags(repository_ref)
assert tags
for tag in tags:
manifest = registry_model.get_manifest_for_tag(tag)
assert manifest
with assert_query_count(4):
layers = registry_model.list_manifest_layers(manifest)
assert layers
layers = registry_model.list_manifest_layers(manifest, include_placements=True)
assert layers
parsed_layers = list(manifest.get_parsed_manifest().layers)
assert len(layers) == len(parsed_layers)
for index, manifest_layer in enumerate(layers):
assert manifest_layer.layer_info == parsed_layers[index]
assert manifest_layer.blob.digest == str(parsed_layers[index].digest)
assert manifest_layer.blob.storage_path
assert manifest_layer.blob.placements
repo_blob = registry_model.get_repo_blob_by_digest(repository_ref, manifest_layer.blob.digest)
assert repo_blob.digest == manifest_layer.blob.digest
assert manifest_layer.estimated_size(1) is not None
def test_derived_image(registry_model):
# Clear all existing derived storage.
DerivedStorageForImage.delete().execute()
repository_ref = registry_model.lookup_repository('devtable', 'simple')
tag = registry_model.get_repo_tag(repository_ref, 'latest')
manifest = registry_model.get_manifest_for_tag(tag)
# Ensure the squashed image doesn't exist.
assert registry_model.lookup_derived_image(manifest, 'squash', {}) is None
# Create a new one.
squashed = registry_model.lookup_or_create_derived_image(manifest, 'squash', 'local_us', {})
assert registry_model.lookup_or_create_derived_image(manifest, 'squash', 'local_us', {}) == squashed
assert squashed.unique_id
# Check and set the size.
assert squashed.blob.compressed_size is None
registry_model.set_derived_image_size(squashed, 1234)
assert registry_model.lookup_derived_image(manifest, 'squash', {}).blob.compressed_size == 1234
assert registry_model.lookup_derived_image(manifest, 'squash', {}).unique_id == squashed.unique_id
# Ensure its returned now.
assert registry_model.lookup_derived_image(manifest, 'squash', {}) == squashed
# Ensure different metadata results in a different derived image.
assert registry_model.lookup_derived_image(manifest, 'squash', {'foo': 'bar'}) is None
squashed_foo = registry_model.lookup_or_create_derived_image(manifest, 'squash', 'local_us',
{'foo': 'bar'})
assert squashed_foo != squashed
assert registry_model.lookup_derived_image(manifest, 'squash', {'foo': 'bar'}) == squashed_foo
assert squashed.unique_id != squashed_foo.unique_id
# Lookup with placements.
squashed = registry_model.lookup_or_create_derived_image(manifest, 'squash', 'local_us', {},
include_placements=True)
assert squashed.blob.placements
# Delete the derived image.
registry_model.delete_derived_image(squashed)
assert registry_model.lookup_derived_image(manifest, 'squash', {}) is None
def test_derived_image_signatures(registry_model):
repository_ref = registry_model.lookup_repository('devtable', 'simple')
tag = registry_model.get_repo_tag(repository_ref, 'latest')
manifest = registry_model.get_manifest_for_tag(tag)
derived = registry_model.lookup_derived_image(manifest, 'squash', {})
assert derived
signature = registry_model.get_derived_image_signature(derived, 'gpg2')
assert signature is None
registry_model.set_derived_image_signature(derived, 'gpg2', 'foo')
assert registry_model.get_derived_image_signature(derived, 'gpg2') == 'foo'
def test_torrent_info(registry_model):
# Remove all existing info.
TorrentInfo.delete().execute()
repository_ref = registry_model.lookup_repository('devtable', 'simple')
tag = registry_model.get_repo_tag(repository_ref, 'latest')
manifest = registry_model.get_manifest_for_tag(tag)
layers = registry_model.list_manifest_layers(manifest)
assert layers
assert registry_model.get_torrent_info(layers[0].blob) is None
registry_model.set_torrent_info(layers[0].blob, 2, 'foo')
# Set it again exactly, which should be a no-op.
registry_model.set_torrent_info(layers[0].blob, 2, 'foo')
# Check the information we've set.
torrent_info = registry_model.get_torrent_info(layers[0].blob)
assert torrent_info is not None
assert torrent_info.piece_length == 2
assert torrent_info.pieces == 'foo'
# Try setting it again. Nothing should happen.
registry_model.set_torrent_info(layers[0].blob, 3, 'bar')
torrent_info = registry_model.get_torrent_info(layers[0].blob)
assert torrent_info is not None
assert torrent_info.piece_length == 2
assert torrent_info.pieces == 'foo'
def test_blob_uploads(registry_model):
repository_ref = registry_model.lookup_repository('devtable', 'simple')
blob_upload = registry_model.create_blob_upload(repository_ref, str(uuid.uuid4()),
'local_us', {'some': 'metadata'})
assert blob_upload
assert blob_upload.storage_metadata == {'some': 'metadata'}
assert blob_upload.location_name == 'local_us'
# Ensure we can find the blob upload.
assert registry_model.lookup_blob_upload(repository_ref, blob_upload.upload_id) == blob_upload
# Update and ensure the changes are saved.
assert registry_model.update_blob_upload(blob_upload, 1, 'the-pieces_hash',
blob_upload.piece_sha_state,
{'new': 'metadata'}, 2, 3,
blob_upload.sha_state)
updated = registry_model.lookup_blob_upload(repository_ref, blob_upload.upload_id)
assert updated
assert updated.uncompressed_byte_count == 1
assert updated.piece_hashes == 'the-pieces_hash'
assert updated.storage_metadata == {'new': 'metadata'}
assert updated.byte_count == 2
assert updated.chunk_count == 3
# Delete the upload.
registry_model.delete_blob_upload(blob_upload)
# Ensure it can no longer be found.
assert not registry_model.lookup_blob_upload(repository_ref, blob_upload.upload_id)
def test_commit_blob_upload(registry_model):
repository_ref = registry_model.lookup_repository('devtable', 'simple')
blob_upload = registry_model.create_blob_upload(repository_ref, str(uuid.uuid4()),
'local_us', {'some': 'metadata'})
# Commit the blob upload and make sure it is written as a blob.
digest = 'sha256:' + hashlib.sha256('hello').hexdigest()
blob = registry_model.commit_blob_upload(blob_upload, digest, 60)
assert blob.digest == digest
# Ensure the upload can no longer be found.
assert not registry_model.lookup_blob_upload(repository_ref, blob_upload.upload_id)
def test_mount_blob_into_repository(registry_model):
repository_ref = registry_model.lookup_repository('devtable', 'simple')
latest_tag = registry_model.get_repo_tag(repository_ref, 'latest')
manifest = registry_model.get_manifest_for_tag(latest_tag)
target_repository_ref = registry_model.lookup_repository('devtable', 'complex')
layers = registry_model.list_manifest_layers(manifest, include_placements=True)
assert layers
for layer in layers:
# Ensure the blob doesn't exist under the repository.
assert not registry_model.get_repo_blob_by_digest(target_repository_ref, layer.blob.digest)
# Mount the blob into the repository.
assert registry_model.mount_blob_into_repository(layer.blob, target_repository_ref, 60)
# Ensure it now exists.
found = registry_model.get_repo_blob_by_digest(target_repository_ref, layer.blob.digest)
assert found == layer.blob
class SomeException(Exception):
pass
def test_get_cached_repo_blob(registry_model):
model_cache = InMemoryDataModelCache()
repository_ref = registry_model.lookup_repository('devtable', 'simple')
latest_tag = registry_model.get_repo_tag(repository_ref, 'latest')
manifest = registry_model.get_manifest_for_tag(latest_tag)
layers = registry_model.list_manifest_layers(manifest, include_placements=True)
assert layers
blob = layers[0].blob
# Load a blob to add it to the cache.
found = registry_model.get_cached_repo_blob(model_cache, 'devtable', 'simple', blob.digest)
assert found.digest == blob.digest
assert found.uuid == blob.uuid
assert found.compressed_size == blob.compressed_size
assert found.uncompressed_size == blob.uncompressed_size
assert found.uploading == blob.uploading
assert found.placements == blob.placements
# Disconnect from the database by overwriting the connection.
def fail(x, y):
raise SomeException('Not connected!')
with patch('data.registry_model.registry_pre_oci_model.model.blob.get_repository_blob_by_digest',
fail):
# Make sure we can load again, which should hit the cache.
cached = registry_model.get_cached_repo_blob(model_cache, 'devtable', 'simple', blob.digest)
assert cached.digest == blob.digest
assert cached.uuid == blob.uuid
assert cached.compressed_size == blob.compressed_size
assert cached.uncompressed_size == blob.uncompressed_size
assert cached.uploading == blob.uploading
assert cached.placements == blob.placements
# Try another blob, which should fail since the DB is not connected and the cache
# does not contain the blob.
with pytest.raises(SomeException):
registry_model.get_cached_repo_blob(model_cache, 'devtable', 'simple', 'some other digest')
def test_create_manifest_and_retarget_tag(registry_model):
repository_ref = registry_model.lookup_repository('devtable', 'simple')
latest_tag = registry_model.get_repo_tag(repository_ref, 'latest', include_legacy_image=True)
manifest = registry_model.get_manifest_for_tag(latest_tag).get_parsed_manifest()
builder = DockerSchema1ManifestBuilder('devtable', 'simple', 'anothertag')
builder.add_layer(manifest.blob_digests[0],
'{"id": "%s"}' % latest_tag.legacy_image.docker_image_id)
sample_manifest = builder.build(docker_v2_signing_key)
assert sample_manifest is not None
another_manifest, tag = registry_model.create_manifest_and_retarget_tag(repository_ref,
sample_manifest,
'anothertag')
assert another_manifest is not None
assert tag is not None
assert tag.name == 'anothertag'
assert another_manifest.get_parsed_manifest().manifest_dict == sample_manifest.manifest_dict
layers = registry_model.list_manifest_layers(another_manifest)
assert len(layers) == 1