561 lines
19 KiB
Python
561 lines
19 KiB
Python
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import json
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from playhouse.test_utils import assert_query_count
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from app import docker_v2_signing_key, storage
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from digest.digest_tools import sha256_digest
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from data.database import (Tag, ManifestBlob, ImageStorageLocation, ManifestChild,
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ImageStorage, Image, RepositoryTag, get_epoch_timestamp_ms)
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from data.model.oci.manifest import lookup_manifest, get_or_create_manifest
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from data.model.oci.tag import filter_to_alive_tags, get_tag
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from data.model.oci.shared import get_legacy_image_for_manifest
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from data.model.oci.label import list_manifest_labels
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from data.model.oci.retriever import RepositoryContentRetriever
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from data.model.repository import get_repository, create_repository
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from data.model.image import find_create_or_link_image
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from data.model.blob import store_blob_record_and_temp_link
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from data.model.storage import get_layer_path
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from image.docker.schema1 import DockerSchema1ManifestBuilder, DockerSchema1Manifest
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from image.docker.schema2.manifest import DockerSchema2ManifestBuilder
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from image.docker.schema2.list import DockerSchema2ManifestListBuilder
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from util.bytes import Bytes
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from test.fixtures import *
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def test_lookup_manifest(initialized_db):
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found = False
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for tag in filter_to_alive_tags(Tag.select()):
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found = True
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repo = tag.repository
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digest = tag.manifest.digest
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with assert_query_count(1):
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assert lookup_manifest(repo, digest) == tag.manifest
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assert found
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for tag in Tag.select():
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repo = tag.repository
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digest = tag.manifest.digest
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with assert_query_count(1):
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assert lookup_manifest(repo, digest, allow_dead=True) == tag.manifest
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def test_lookup_manifest_dead_tag(initialized_db):
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dead_tag = Tag.select().where(Tag.lifetime_end_ms <= get_epoch_timestamp_ms()).get()
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assert dead_tag.lifetime_end_ms <= get_epoch_timestamp_ms()
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assert lookup_manifest(dead_tag.repository, dead_tag.manifest.digest) is None
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assert (lookup_manifest(dead_tag.repository, dead_tag.manifest.digest, allow_dead=True) ==
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dead_tag.manifest)
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def create_manifest_for_testing(repository, differentiation_field='1'):
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# Populate a manifest.
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layer_json = json.dumps({
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'config': {},
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"rootfs": {
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"type": "layers",
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"diff_ids": []
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},
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"history": [],
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})
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# Add a blob containing the config.
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_, config_digest = _populate_blob(layer_json)
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remote_digest = sha256_digest('something')
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builder = DockerSchema2ManifestBuilder()
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builder.set_config_digest(config_digest, len(layer_json))
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builder.add_layer(remote_digest, 1234, urls=['http://hello/world' + differentiation_field])
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manifest = builder.build()
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created = get_or_create_manifest(repository, manifest, storage)
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assert created
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return created.manifest, manifest
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def test_lookup_manifest_child_tag(initialized_db):
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repository = create_repository('devtable', 'newrepo', None)
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manifest, manifest_impl = create_manifest_for_testing(repository)
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# Mark the hidden tag as dead.
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hidden_tag = Tag.get(manifest=manifest, hidden=True)
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hidden_tag.lifetime_end_ms = hidden_tag.lifetime_start_ms
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hidden_tag.save()
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# Ensure the manifest cannot currently be looked up, as it is not pointed to by an alive tag.
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assert lookup_manifest(repository, manifest.digest) is None
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assert lookup_manifest(repository, manifest.digest, allow_dead=True) is not None
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# Populate a manifest list.
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list_builder = DockerSchema2ManifestListBuilder()
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list_builder.add_manifest(manifest_impl, 'amd64', 'linux')
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manifest_list = list_builder.build()
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# Write the manifest list, which should also write the manifests themselves.
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created_tuple = get_or_create_manifest(repository, manifest_list, storage)
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assert created_tuple is not None
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# Since the manifests are not yet referenced by a tag, they cannot be found.
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assert lookup_manifest(repository, manifest.digest) is None
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assert lookup_manifest(repository, manifest_list.digest) is None
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# Unless we ask for "dead" manifests.
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assert lookup_manifest(repository, manifest.digest, allow_dead=True) is not None
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assert lookup_manifest(repository, manifest_list.digest, allow_dead=True) is not None
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def _populate_blob(content):
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digest = str(sha256_digest(content))
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location = ImageStorageLocation.get(name='local_us')
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blob = store_blob_record_and_temp_link('devtable', 'newrepo', digest, location,
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len(content), 120)
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storage.put_content(['local_us'], get_layer_path(blob), content)
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return blob, digest
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@pytest.mark.parametrize('schema_version', [
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1,
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2,
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])
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def test_get_or_create_manifest(schema_version, initialized_db):
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repository = create_repository('devtable', 'newrepo', None)
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expected_labels = {
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'Foo': 'Bar',
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'Baz': 'Meh',
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}
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layer_json = json.dumps({
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'id': 'somelegacyid',
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'config': {
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'Labels': expected_labels,
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},
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"rootfs": {
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"type": "layers",
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"diff_ids": []
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},
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"history": [
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{
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"created": "2018-04-03T18:37:09.284840891Z",
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"created_by": "do something",
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},
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],
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})
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# Create a legacy image.
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find_create_or_link_image('somelegacyid', repository, 'devtable', {}, 'local_us')
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# Add a blob containing the config.
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_, config_digest = _populate_blob(layer_json)
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# Add a blob of random data.
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random_data = 'hello world'
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_, random_digest = _populate_blob(random_data)
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# Build the manifest.
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if schema_version == 1:
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builder = DockerSchema1ManifestBuilder('devtable', 'simple', 'anothertag')
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builder.add_layer(random_digest, layer_json)
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sample_manifest_instance = builder.build(docker_v2_signing_key)
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elif schema_version == 2:
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builder = DockerSchema2ManifestBuilder()
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builder.set_config_digest(config_digest, len(layer_json))
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builder.add_layer(random_digest, len(random_data))
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sample_manifest_instance = builder.build()
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# Create a new manifest.
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created_manifest = get_or_create_manifest(repository, sample_manifest_instance, storage)
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created = created_manifest.manifest
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newly_created = created_manifest.newly_created
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assert newly_created
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assert created is not None
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assert created.media_type.name == sample_manifest_instance.media_type
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assert created.digest == sample_manifest_instance.digest
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assert created.manifest_bytes == sample_manifest_instance.bytes.as_encoded_str()
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assert created_manifest.labels_to_apply == expected_labels
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# Verify it has a temporary tag pointing to it.
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assert Tag.get(manifest=created, hidden=True).lifetime_end_ms
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# Verify the legacy image.
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legacy_image = get_legacy_image_for_manifest(created)
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assert legacy_image is not None
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assert legacy_image.storage.content_checksum == random_digest
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# Verify the linked blobs.
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blob_digests = [mb.blob.content_checksum for mb
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in ManifestBlob.select().where(ManifestBlob.manifest == created)]
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assert random_digest in blob_digests
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if schema_version == 2:
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assert config_digest in blob_digests
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# Retrieve it again and ensure it is the same manifest.
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created_manifest2 = get_or_create_manifest(repository, sample_manifest_instance, storage)
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created2 = created_manifest2.manifest
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newly_created2 = created_manifest2.newly_created
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assert not newly_created2
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assert created2 == created
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# Ensure it again has a temporary tag.
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assert Tag.get(manifest=created2, hidden=True).lifetime_end_ms
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# Ensure the labels were added.
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labels = list(list_manifest_labels(created))
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assert len(labels) == 2
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labels_dict = {label.key: label.value for label in labels}
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assert labels_dict == expected_labels
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def test_get_or_create_manifest_invalid_image(initialized_db):
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repository = get_repository('devtable', 'simple')
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latest_tag = get_tag(repository, 'latest')
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parsed = DockerSchema1Manifest(Bytes.for_string_or_unicode(latest_tag.manifest.manifest_bytes),
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validate=False)
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builder = DockerSchema1ManifestBuilder('devtable', 'simple', 'anothertag')
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builder.add_layer(parsed.blob_digests[0], '{"id": "foo", "parent": "someinvalidimageid"}')
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sample_manifest_instance = builder.build(docker_v2_signing_key)
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created_manifest = get_or_create_manifest(repository, sample_manifest_instance, storage)
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assert created_manifest is None
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def test_get_or_create_manifest_list(initialized_db):
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repository = create_repository('devtable', 'newrepo', None)
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expected_labels = {
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'Foo': 'Bar',
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'Baz': 'Meh',
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}
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layer_json = json.dumps({
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'id': 'somelegacyid',
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'config': {
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'Labels': expected_labels,
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},
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"rootfs": {
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"type": "layers",
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"diff_ids": []
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},
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"history": [
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{
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"created": "2018-04-03T18:37:09.284840891Z",
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"created_by": "do something",
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},
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],
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})
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# Create a legacy image.
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find_create_or_link_image('somelegacyid', repository, 'devtable', {}, 'local_us')
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# Add a blob containing the config.
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_, config_digest = _populate_blob(layer_json)
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# Add a blob of random data.
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random_data = 'hello world'
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_, random_digest = _populate_blob(random_data)
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# Build the manifests.
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v1_builder = DockerSchema1ManifestBuilder('devtable', 'simple', 'anothertag')
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v1_builder.add_layer(random_digest, layer_json)
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v1_manifest = v1_builder.build(docker_v2_signing_key).unsigned()
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v2_builder = DockerSchema2ManifestBuilder()
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v2_builder.set_config_digest(config_digest, len(layer_json))
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v2_builder.add_layer(random_digest, len(random_data))
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v2_manifest = v2_builder.build()
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# Write the manifests.
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v1_created = get_or_create_manifest(repository, v1_manifest, storage)
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assert v1_created
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assert v1_created.manifest.digest == v1_manifest.digest
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v2_created = get_or_create_manifest(repository, v2_manifest, storage)
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assert v2_created
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assert v2_created.manifest.digest == v2_manifest.digest
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# Build the manifest list.
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list_builder = DockerSchema2ManifestListBuilder()
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list_builder.add_manifest(v1_manifest, 'amd64', 'linux')
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list_builder.add_manifest(v2_manifest, 'amd32', 'linux')
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manifest_list = list_builder.build()
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# Write the manifest list, which should also write the manifests themselves.
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created_tuple = get_or_create_manifest(repository, manifest_list, storage)
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assert created_tuple is not None
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created_list = created_tuple.manifest
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assert created_list
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assert created_list.media_type.name == manifest_list.media_type
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assert created_list.digest == manifest_list.digest
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# Ensure the child manifest links exist.
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child_manifests = {cm.child_manifest.digest: cm.child_manifest
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for cm in ManifestChild.select().where(ManifestChild.manifest == created_list)}
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assert len(child_manifests) == 2
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assert v1_manifest.digest in child_manifests
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assert v2_manifest.digest in child_manifests
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assert child_manifests[v1_manifest.digest].media_type.name == v1_manifest.media_type
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assert child_manifests[v2_manifest.digest].media_type.name == v2_manifest.media_type
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def test_get_or_create_manifest_list_duplicate_child_manifest(initialized_db):
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repository = create_repository('devtable', 'newrepo', None)
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expected_labels = {
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'Foo': 'Bar',
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'Baz': 'Meh',
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}
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layer_json = json.dumps({
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'id': 'somelegacyid',
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'config': {
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'Labels': expected_labels,
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},
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"rootfs": {
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"type": "layers",
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"diff_ids": []
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},
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"history": [
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{
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"created": "2018-04-03T18:37:09.284840891Z",
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"created_by": "do something",
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},
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],
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})
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# Create a legacy image.
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find_create_or_link_image('somelegacyid', repository, 'devtable', {}, 'local_us')
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# Add a blob containing the config.
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_, config_digest = _populate_blob(layer_json)
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# Add a blob of random data.
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random_data = 'hello world'
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_, random_digest = _populate_blob(random_data)
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# Build the manifest.
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v2_builder = DockerSchema2ManifestBuilder()
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v2_builder.set_config_digest(config_digest, len(layer_json))
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v2_builder.add_layer(random_digest, len(random_data))
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v2_manifest = v2_builder.build()
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# Write the manifest.
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v2_created = get_or_create_manifest(repository, v2_manifest, storage)
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assert v2_created
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assert v2_created.manifest.digest == v2_manifest.digest
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# Build the manifest list, with the child manifest repeated.
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list_builder = DockerSchema2ManifestListBuilder()
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list_builder.add_manifest(v2_manifest, 'amd64', 'linux')
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list_builder.add_manifest(v2_manifest, 'amd32', 'linux')
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manifest_list = list_builder.build()
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|
|
|
||
|
|
# Write the manifest list, which should also write the manifests themselves.
|
||
|
|
created_tuple = get_or_create_manifest(repository, manifest_list, storage)
|
||
|
|
assert created_tuple is not None
|
||
|
|
|
||
|
|
created_list = created_tuple.manifest
|
||
|
|
assert created_list
|
||
|
|
assert created_list.media_type.name == manifest_list.media_type
|
||
|
|
assert created_list.digest == manifest_list.digest
|
||
|
|
|
||
|
|
# Ensure the child manifest links exist.
|
||
|
|
child_manifests = {cm.child_manifest.digest: cm.child_manifest
|
||
|
|
for cm in ManifestChild.select().where(ManifestChild.manifest == created_list)}
|
||
|
|
assert len(child_manifests) == 1
|
||
|
|
assert v2_manifest.digest in child_manifests
|
||
|
|
assert child_manifests[v2_manifest.digest].media_type.name == v2_manifest.media_type
|
||
|
|
|
||
|
|
# Try to create again and ensure we get back the same manifest list.
|
||
|
|
created2_tuple = get_or_create_manifest(repository, manifest_list, storage)
|
||
|
|
assert created2_tuple is not None
|
||
|
|
assert created2_tuple.manifest == created_list
|
||
|
|
|
||
|
|
|
||
|
|
def test_get_or_create_manifest_with_remote_layers(initialized_db):
|
||
|
|
repository = create_repository('devtable', 'newrepo', None)
|
||
|
|
|
||
|
|
layer_json = json.dumps({
|
||
|
|
'config': {},
|
||
|
|
"rootfs": {
|
||
|
|
"type": "layers",
|
||
|
|
"diff_ids": []
|
||
|
|
},
|
||
|
|
"history": [
|
||
|
|
{
|
||
|
|
"created": "2018-04-03T18:37:09.284840891Z",
|
||
|
|
"created_by": "do something",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
"created": "2018-04-03T18:37:09.284840891Z",
|
||
|
|
"created_by": "do something",
|
||
|
|
},
|
||
|
|
],
|
||
|
|
})
|
||
|
|
|
||
|
|
# Add a blob containing the config.
|
||
|
|
_, config_digest = _populate_blob(layer_json)
|
||
|
|
|
||
|
|
# Add a blob of random data.
|
||
|
|
random_data = 'hello world'
|
||
|
|
_, random_digest = _populate_blob(random_data)
|
||
|
|
|
||
|
|
remote_digest = sha256_digest('something')
|
||
|
|
|
||
|
|
builder = DockerSchema2ManifestBuilder()
|
||
|
|
builder.set_config_digest(config_digest, len(layer_json))
|
||
|
|
builder.add_layer(remote_digest, 1234, urls=['http://hello/world'])
|
||
|
|
builder.add_layer(random_digest, len(random_data))
|
||
|
|
manifest = builder.build()
|
||
|
|
|
||
|
|
assert remote_digest in manifest.blob_digests
|
||
|
|
assert remote_digest not in manifest.local_blob_digests
|
||
|
|
|
||
|
|
assert manifest.has_remote_layer
|
||
|
|
assert not manifest.has_legacy_image
|
||
|
|
assert manifest.get_schema1_manifest('foo', 'bar', 'baz', None) is None
|
||
|
|
|
||
|
|
# Write the manifest.
|
||
|
|
created_tuple = get_or_create_manifest(repository, manifest, storage)
|
||
|
|
assert created_tuple is not None
|
||
|
|
|
||
|
|
created_manifest = created_tuple.manifest
|
||
|
|
assert created_manifest
|
||
|
|
assert created_manifest.media_type.name == manifest.media_type
|
||
|
|
assert created_manifest.digest == manifest.digest
|
||
|
|
|
||
|
|
# Verify the legacy image.
|
||
|
|
legacy_image = get_legacy_image_for_manifest(created_manifest)
|
||
|
|
assert legacy_image is None
|
||
|
|
|
||
|
|
# Verify the linked blobs.
|
||
|
|
blob_digests = {mb.blob.content_checksum for mb
|
||
|
|
in ManifestBlob.select().where(ManifestBlob.manifest == created_manifest)}
|
||
|
|
|
||
|
|
assert random_digest in blob_digests
|
||
|
|
assert config_digest in blob_digests
|
||
|
|
assert remote_digest not in blob_digests
|
||
|
|
|
||
|
|
|
||
|
|
def create_manifest_for_testing(repository, differentiation_field='1', include_shared_blob=False):
|
||
|
|
# Populate a manifest.
|
||
|
|
layer_json = json.dumps({
|
||
|
|
'config': {},
|
||
|
|
"rootfs": {
|
||
|
|
"type": "layers",
|
||
|
|
"diff_ids": []
|
||
|
|
},
|
||
|
|
"history": [],
|
||
|
|
})
|
||
|
|
|
||
|
|
# Add a blob containing the config.
|
||
|
|
_, config_digest = _populate_blob(layer_json)
|
||
|
|
|
||
|
|
remote_digest = sha256_digest('something')
|
||
|
|
builder = DockerSchema2ManifestBuilder()
|
||
|
|
builder.set_config_digest(config_digest, len(layer_json))
|
||
|
|
builder.add_layer(remote_digest, 1234, urls=['http://hello/world' + differentiation_field])
|
||
|
|
|
||
|
|
if include_shared_blob:
|
||
|
|
_, blob_digest = _populate_blob('some data here')
|
||
|
|
builder.add_layer(blob_digest, 4567)
|
||
|
|
|
||
|
|
manifest = builder.build()
|
||
|
|
|
||
|
|
created = get_or_create_manifest(repository, manifest, storage)
|
||
|
|
assert created
|
||
|
|
return created.manifest, manifest
|
||
|
|
|
||
|
|
|
||
|
|
def test_retriever(initialized_db):
|
||
|
|
repository = create_repository('devtable', 'newrepo', None)
|
||
|
|
|
||
|
|
layer_json = json.dumps({
|
||
|
|
'config': {},
|
||
|
|
"rootfs": {
|
||
|
|
"type": "layers",
|
||
|
|
"diff_ids": []
|
||
|
|
},
|
||
|
|
"history": [
|
||
|
|
{
|
||
|
|
"created": "2018-04-03T18:37:09.284840891Z",
|
||
|
|
"created_by": "do something",
|
||
|
|
},
|
||
|
|
{
|
||
|
|
"created": "2018-04-03T18:37:09.284840891Z",
|
||
|
|
"created_by": "do something",
|
||
|
|
},
|
||
|
|
],
|
||
|
|
})
|
||
|
|
|
||
|
|
# Add a blob containing the config.
|
||
|
|
_, config_digest = _populate_blob(layer_json)
|
||
|
|
|
||
|
|
# Add a blob of random data.
|
||
|
|
random_data = 'hello world'
|
||
|
|
_, random_digest = _populate_blob(random_data)
|
||
|
|
|
||
|
|
# Add another blob of random data.
|
||
|
|
other_random_data = 'hi place'
|
||
|
|
_, other_random_digest = _populate_blob(other_random_data)
|
||
|
|
|
||
|
|
remote_digest = sha256_digest('something')
|
||
|
|
|
||
|
|
builder = DockerSchema2ManifestBuilder()
|
||
|
|
builder.set_config_digest(config_digest, len(layer_json))
|
||
|
|
builder.add_layer(other_random_digest, len(other_random_data))
|
||
|
|
builder.add_layer(random_digest, len(random_data))
|
||
|
|
manifest = builder.build()
|
||
|
|
|
||
|
|
assert config_digest in manifest.blob_digests
|
||
|
|
assert random_digest in manifest.blob_digests
|
||
|
|
assert other_random_digest in manifest.blob_digests
|
||
|
|
|
||
|
|
assert config_digest in manifest.local_blob_digests
|
||
|
|
assert random_digest in manifest.local_blob_digests
|
||
|
|
assert other_random_digest in manifest.local_blob_digests
|
||
|
|
|
||
|
|
# Write the manifest.
|
||
|
|
created_tuple = get_or_create_manifest(repository, manifest, storage)
|
||
|
|
assert created_tuple is not None
|
||
|
|
|
||
|
|
created_manifest = created_tuple.manifest
|
||
|
|
assert created_manifest
|
||
|
|
assert created_manifest.media_type.name == manifest.media_type
|
||
|
|
assert created_manifest.digest == manifest.digest
|
||
|
|
|
||
|
|
# Verify the linked blobs.
|
||
|
|
blob_digests = {mb.blob.content_checksum for mb
|
||
|
|
in ManifestBlob.select().where(ManifestBlob.manifest == created_manifest)}
|
||
|
|
|
||
|
|
assert random_digest in blob_digests
|
||
|
|
assert other_random_digest in blob_digests
|
||
|
|
assert config_digest in blob_digests
|
||
|
|
|
||
|
|
# Delete any Image rows linking to the blobs from temp tags.
|
||
|
|
for blob_digest in blob_digests:
|
||
|
|
storage_row = ImageStorage.get(content_checksum=blob_digest)
|
||
|
|
for image in list(Image.select().where(Image.storage == storage_row)):
|
||
|
|
all_temp = all([rt.hidden for rt
|
||
|
|
in RepositoryTag.select().where(RepositoryTag.image == image)])
|
||
|
|
if all_temp:
|
||
|
|
RepositoryTag.delete().where(RepositoryTag.image == image).execute()
|
||
|
|
image.delete_instance(recursive=True)
|
||
|
|
|
||
|
|
# Verify the blobs in the retriever.
|
||
|
|
retriever = RepositoryContentRetriever(repository, storage)
|
||
|
|
assert (retriever.get_manifest_bytes_with_digest(created_manifest.digest) ==
|
||
|
|
manifest.bytes.as_encoded_str())
|
||
|
|
|
||
|
|
for blob_digest in blob_digests:
|
||
|
|
assert retriever.get_blob_bytes_with_digest(blob_digest) is not None
|