315 lines
12 KiB
Python
315 lines
12 KiB
Python
from peewee import IntegrityError
|
|
|
|
from data import model, database
|
|
from data.model import DataModelException
|
|
from endpoints.v2.models_interface import (
|
|
Blob,
|
|
BlobUpload,
|
|
DockerRegistryV2DataInterface,
|
|
ManifestJSON,
|
|
Repository,
|
|
RepositoryReference,
|
|
Tag,)
|
|
from image.docker.v1 import DockerV1Metadata
|
|
|
|
_MEDIA_TYPE = "application/vnd.docker.distribution.manifest.v1+prettyjws"
|
|
|
|
|
|
class PreOCIModel(DockerRegistryV2DataInterface):
|
|
"""
|
|
PreOCIModel implements the data model for the v2 Docker Registry protocol using a database schema
|
|
before it was changed to support the OCI specification.
|
|
"""
|
|
|
|
def create_repository(self, namespace_name, repo_name, creating_user=None):
|
|
return model.repository.create_repository(namespace_name, repo_name, creating_user)
|
|
|
|
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 has_active_tag(self, namespace_name, repo_name, tag_name):
|
|
try:
|
|
model.tag.get_active_tag(namespace_name, repo_name, tag_name)
|
|
return True
|
|
except database.RepositoryTag.DoesNotExist:
|
|
return False
|
|
|
|
def has_tag(self, namespace_name, repo_name, tag_name):
|
|
try:
|
|
model.tag.get_possibly_expired_tag(namespace_name, repo_name, tag_name)
|
|
return True
|
|
except database.RepositoryTag.DoesNotExist:
|
|
return False
|
|
|
|
def get_manifest_by_tag(self, namespace_name, repo_name, tag_name):
|
|
try:
|
|
manifest = model.tag.load_tag_manifest(namespace_name, repo_name, tag_name)
|
|
return ManifestJSON(digest=manifest.digest, json=manifest.json_data, media_type=_MEDIA_TYPE)
|
|
except model.InvalidManifestException:
|
|
return None
|
|
|
|
def get_manifest_by_digest(self, namespace_name, repo_name, digest):
|
|
try:
|
|
manifest = model.tag.load_manifest_by_digest(namespace_name, repo_name, digest)
|
|
return ManifestJSON(digest=digest, json=manifest.json_data, media_type=_MEDIA_TYPE)
|
|
except model.InvalidManifestException:
|
|
return None
|
|
|
|
def delete_manifest_by_digest(self, namespace_name, repo_name, digest):
|
|
def _tag_view(tag):
|
|
return Tag(id=tag.id, name=tag.name, repository=RepositoryReference(
|
|
id=tag.repository_id,
|
|
name=repo_name,
|
|
namespace_name=namespace_name,))
|
|
|
|
tags = model.tag.delete_manifest_by_digest(namespace_name, repo_name, digest)
|
|
return [_tag_view(tag) for tag in tags]
|
|
|
|
def get_docker_v1_metadata_by_tag(self, namespace_name, repo_name, tag_name):
|
|
try:
|
|
repo_img = model.tag.get_tag_image(namespace_name, repo_name, tag_name, include_storage=True)
|
|
return _docker_v1_metadata(namespace_name, repo_name, repo_img)
|
|
except DataModelException:
|
|
return None
|
|
|
|
def get_docker_v1_metadata_by_image_id(self, repository, docker_image_ids):
|
|
images_query = model.image.lookup_repository_images(repository.id, docker_image_ids)
|
|
return {
|
|
image.docker_image_id: _docker_v1_metadata(repository.namespace_name, repository.name, image)
|
|
for image in images_query
|
|
}
|
|
|
|
def get_parents_docker_v1_metadata(self, namespace_name, repo_name, docker_image_id):
|
|
repo_image = model.image.get_repo_image(namespace_name, repo_name, docker_image_id)
|
|
if repo_image is None:
|
|
return []
|
|
|
|
parents = model.image.get_parent_images(namespace_name, repo_name, repo_image)
|
|
return [_docker_v1_metadata(namespace_name, repo_name, image) for image in parents]
|
|
|
|
def create_manifest_and_update_tag(self, namespace_name, repo_name, tag_name, manifest_digest,
|
|
manifest_bytes):
|
|
try:
|
|
model.tag.associate_generated_tag_manifest(namespace_name, repo_name, tag_name,
|
|
manifest_digest, manifest_bytes)
|
|
except IntegrityError:
|
|
# It's already there!
|
|
pass
|
|
|
|
def synthesize_v1_image(self, repository, storage, image_id, created, comment, command,
|
|
compat_json, parent_image_id):
|
|
parent_image = None
|
|
if parent_image_id is not None:
|
|
parent_image = model.image.get_image(repository.id, parent_image_id)
|
|
if parent_image is None:
|
|
raise DataModelException('Unknown parent image: %s' % parent_image_id)
|
|
|
|
repo_image = model.image.synthesize_v1_image(repository.id, storage.id, storage.size,
|
|
image_id, created, comment, command, compat_json,
|
|
parent_image)
|
|
return _docker_v1_metadata(repository.namespace_name, repository.name, repo_image)
|
|
|
|
def save_manifest(self, repository, tag_name, leaf_layer_docker_id, manifest_digest,
|
|
manifest_bytes):
|
|
(_, newly_created) = model.tag.store_tag_manifest_for_repo(
|
|
repository.id, tag_name, leaf_layer_docker_id, manifest_digest, manifest_bytes)
|
|
return newly_created
|
|
|
|
def repository_tags(self, namespace_name, repo_name, start_id, limit):
|
|
def _tag_view(tag):
|
|
return Tag(id=tag.id, name=tag.name, repository=RepositoryReference(
|
|
id=tag.repository_id,
|
|
name=repo_name,
|
|
namespace_name=namespace_name,))
|
|
|
|
tags_query = model.tag.list_repository_tags(namespace_name, repo_name)
|
|
tags_query = (tags_query
|
|
.order_by(database.RepositoryTag.id)
|
|
.limit(limit + 1))
|
|
|
|
if start_id is not None:
|
|
tags_query = tags_query.where(database.RepositoryTag.id >= start_id)
|
|
|
|
return [_tag_view(tag) for tag in tags_query]
|
|
|
|
def get_visible_repositories(self, username, start_id, limit, include_public=None):
|
|
if include_public is None:
|
|
include_public = (username is None)
|
|
|
|
query = model.repository.get_visible_repositories(username,
|
|
kind_filter='image',
|
|
include_public=include_public,
|
|
start_id=start_id,
|
|
limit=limit + 1)
|
|
return [_repository_for_repo(repo) for repo in query]
|
|
|
|
def create_blob_upload(self, namespace_name, repo_name, upload_uuid, location_name,
|
|
storage_metadata):
|
|
try:
|
|
model.blob.initiate_upload(namespace_name, repo_name, upload_uuid, location_name,
|
|
storage_metadata)
|
|
return True
|
|
except database.Repository.DoesNotExist:
|
|
return False
|
|
|
|
def blob_upload_by_uuid(self, namespace_name, repo_name, upload_uuid):
|
|
try:
|
|
found = model.blob.get_blob_upload(namespace_name, repo_name, upload_uuid)
|
|
except model.InvalidBlobUpload:
|
|
return None
|
|
|
|
return BlobUpload(
|
|
repo_namespace_name=namespace_name,
|
|
repo_name=repo_name,
|
|
uuid=upload_uuid,
|
|
byte_count=found.byte_count,
|
|
uncompressed_byte_count=found.uncompressed_byte_count,
|
|
chunk_count=found.chunk_count,
|
|
sha_state=found.sha_state,
|
|
piece_sha_state=found.piece_sha_state,
|
|
piece_hashes=found.piece_hashes,
|
|
location_name=found.location.name,
|
|
storage_metadata=found.storage_metadata,)
|
|
|
|
def update_blob_upload(self, blob_upload):
|
|
# Lookup the blob upload object.
|
|
try:
|
|
blob_upload_record = model.blob.get_blob_upload(blob_upload.repo_namespace_name,
|
|
blob_upload.repo_name, blob_upload.uuid)
|
|
except model.InvalidBlobUpload:
|
|
return
|
|
|
|
blob_upload_record.uncompressed_byte_count = blob_upload.uncompressed_byte_count
|
|
blob_upload_record.piece_hashes = blob_upload.piece_hashes
|
|
blob_upload_record.piece_sha_state = blob_upload.piece_sha_state
|
|
blob_upload_record.storage_metadata = blob_upload.storage_metadata
|
|
blob_upload_record.byte_count = blob_upload.byte_count
|
|
blob_upload_record.chunk_count = blob_upload.chunk_count
|
|
blob_upload_record.sha_state = blob_upload.sha_state
|
|
blob_upload_record.save()
|
|
|
|
def delete_blob_upload(self, namespace_name, repo_name, uuid):
|
|
try:
|
|
found = model.blob.get_blob_upload(namespace_name, repo_name, uuid)
|
|
found.delete_instance()
|
|
except model.InvalidBlobUpload:
|
|
return
|
|
|
|
def mount_blob_and_temp_tag(self, namespace_name, repo_name, existing_blob, expiration_sec):
|
|
return model.blob.temp_link_blob(namespace_name, repo_name, existing_blob.digest,
|
|
expiration_sec)
|
|
|
|
def create_blob_and_temp_tag(self, namespace_name, repo_name, blob_digest, blob_upload,
|
|
expiration_sec):
|
|
location_obj = model.storage.get_image_location_for_name(blob_upload.location_name)
|
|
blob_record = model.blob.store_blob_record_and_temp_link(
|
|
namespace_name, repo_name, blob_digest, location_obj.id, blob_upload.byte_count,
|
|
expiration_sec, blob_upload.uncompressed_byte_count)
|
|
return Blob(
|
|
id=blob_record.id,
|
|
uuid=blob_record.uuid,
|
|
digest=blob_digest,
|
|
size=blob_upload.byte_count,
|
|
locations=[blob_upload.location_name],
|
|
cas_path=blob_record.cas_path
|
|
)
|
|
|
|
def lookup_blobs_by_digest(self, repository, digests):
|
|
def _blob_view(blob_record):
|
|
return Blob(
|
|
id=blob_record.id,
|
|
uuid=blob_record.uuid,
|
|
digest=blob_record.content_checksum,
|
|
size=blob_record.image_size,
|
|
cas_path=blob_record.cas_path,
|
|
locations=None, # Note: Locations is None in this case.
|
|
)
|
|
|
|
query = model.storage.lookup_repo_storages_by_content_checksum(repository.id, digests)
|
|
return {storage.content_checksum: _blob_view(storage) for storage in query}
|
|
|
|
def get_blob_by_digest(self, namespace_name, repo_name, digest):
|
|
try:
|
|
blob_record = model.blob.get_repo_blob_by_digest(namespace_name, repo_name, digest)
|
|
return Blob(
|
|
id=blob_record.id,
|
|
uuid=blob_record.uuid,
|
|
digest=digest,
|
|
size=blob_record.image_size,
|
|
locations=list(blob_record.locations),
|
|
cas_path=blob_record.cas_path
|
|
)
|
|
except model.BlobDoesNotExist:
|
|
return None
|
|
|
|
def save_bittorrent_pieces(self, blob, piece_size, piece_bytes):
|
|
blob_record = model.storage.get_storage_by_uuid(blob.uuid)
|
|
model.storage.save_torrent_info(blob_record, piece_size, piece_bytes)
|
|
|
|
def create_manifest_labels(self, namespace_name, repo_name, manifest_digest, labels):
|
|
if not labels:
|
|
# No point in doing anything more.
|
|
return
|
|
|
|
tag_manifest = model.tag.load_manifest_by_digest(namespace_name, repo_name, manifest_digest)
|
|
for label in labels:
|
|
model.label.create_manifest_label(tag_manifest, label.key, label.value, label.source_type,
|
|
label.media_type)
|
|
|
|
def get_blob_path(self, blob):
|
|
return model.storage.get_layer_path_for_storage(blob.uuid, blob.cas_path, blob.digest)
|
|
|
|
def set_manifest_expires_after(self, namespace_name, repo_name, digest, expires_after_sec):
|
|
try:
|
|
manifest = model.tag.load_manifest_by_digest(namespace_name, repo_name, digest)
|
|
manifest.tag.lifetime_end_ts = manifest.tag.lifetime_start_ts + expires_after_sec
|
|
manifest.tag.save()
|
|
except model.InvalidManifestException:
|
|
return
|
|
|
|
def is_namespace_enabled(self, namespace_name):
|
|
namespace = model.user.get_namespace_user(namespace_name)
|
|
return namespace is None or namespace.enabled
|
|
|
|
def is_repository_public(self, namespace_name, repo_name):
|
|
return model.repository.repository_is_public(namespace_name, repo_name)
|
|
|
|
|
|
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,
|
|
content_checksum=repo_image.storage.content_checksum,
|
|
compat_json=repo_image.v1_json_metadata,
|
|
created=repo_image.created,
|
|
comment=repo_image.comment,
|
|
command=repo_image.command,
|
|
# TODO: make sure this isn't needed anywhere, as it is expensive to lookup
|
|
parent_image_id=None,
|
|
)
|
|
|
|
|
|
def _repository_for_repo(repo):
|
|
""" Returns a Repository object representing the Pre-OCI data model repo instance given. """
|
|
return Repository(
|
|
id=repo.id or repo.rid,
|
|
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),
|
|
trust_enabled=repo.trust_enabled,)
|
|
|
|
|
|
data_model = PreOCIModel()
|