def start_blob_upload(namespace_name, repo_name):
repository_ref = registry_model.lookup_repository(namespace_name,
repo_name)
if repository_ref is None:
raise NameUnknown()
# Check for mounting of a blob from another repository.
mount_blob_digest = request.args.get('mount', None)
if mount_blob_digest is not None:
response = _try_to_mount_blob(repository_ref, mount_blob_digest)
if response is not None:
return response
# Begin the blob upload process.
blob_uploader = create_blob_upload(repository_ref, storage,
_upload_settings())
if blob_uploader is None:
logger.debug('Could not create a blob upload for `%s/%s`',
namespace_name, repo_name)
raise InvalidRequest(
message='Unable to start blob upload for unknown repository')
# Check if the blob will be uploaded now or in followup calls. If the `digest` is given, then
# the upload will occur as a monolithic chunk in this call. Otherwise, we return a redirect
# for the client to upload the chunks as distinct operations.
digest = request.args.get('digest', None)
if digest is None:
# Short-circuit because the user will send the blob data in another request.
return Response(
status=202,
headers={
'Docker-Upload-UUID':
blob_uploader.blob_upload_id,
'Range':
_render_range(0),
'Location':
get_app_url() +
url_for('v2.upload_chunk',
repository='%s/%s' % (namespace_name, repo_name),
upload_uuid=blob_uploader.blob_upload_id)
},
)
# Upload the data sent and commit it to a blob.
with complete_when_uploaded(blob_uploader):
_upload_chunk(blob_uploader, digest)
# Write the response to the client.
return Response(
status=201,
headers={
'Docker-Content-Digest':
digest,
'Location':
get_app_url() + url_for('v2.download_blob',
repository='%s/%s' %
(namespace_name, repo_name),
digest=digest),
},
)
def _download_blob(self, repo_ref: RepositoryReference,
digest: str) -> int:
"""
Download blob from upstream registry and perform a monolitic upload to
Quay's own storage.
"""
self._enforce_repository_quota(repo_ref)
expiration = (self._config.expiration_s if self._config.expiration_s
else app.config["PUSH_TEMP_TAG_EXPIRATION_SEC"])
settings = BlobUploadSettings(
maximum_blob_size=app.config["MAXIMUM_LAYER_SIZE"],
committed_blob_expiration=expiration,
)
uploader = create_blob_upload(repo_ref, storage, settings)
with self._proxy.get_blob(digest) as resp:
start_offset = 0
length = int(resp.headers.get("content-length", -1))
with complete_when_uploaded(uploader):
uploader.upload_chunk(app.config, resp.raw, start_offset,
length)
uploader.commit_to_blob(app.config, digest)
self._recalculate_repository_size(repo_ref)
def start_blob_upload(namespace_name, repo_name):
repository_ref = registry_model.lookup_repository(namespace_name, repo_name)
if repository_ref is None:
raise NameUnknown("repository not found")
if app.config.get("FEATURE_QUOTA_MANAGEMENT", False):
quota = namespacequota.verify_namespace_quota(repository_ref)
if quota["severity_level"] == "Reject":
namespacequota.notify_organization_admins(
repository_ref, "quota_error", {"severity": "Reject"}
)
raise QuotaExceeded
# Check for mounting of a blob from another repository.
mount_blob_digest = request.args.get("mount", None)
if mount_blob_digest is not None:
response = _try_to_mount_blob(repository_ref, mount_blob_digest)
if response is not None:
return response
# Begin the blob upload process.
blob_uploader = create_blob_upload(repository_ref, storage, _upload_settings())
if blob_uploader is None:
logger.debug("Could not create a blob upload for `%s/%s`", namespace_name, repo_name)
raise InvalidRequest(message="Unable to start blob upload for unknown repository")
# Check if the blob will be uploaded now or in followup calls. If the `digest` is given, then
# the upload will occur as a monolithic chunk in this call. Otherwise, we return a redirect
# for the client to upload the chunks as distinct operations.
digest = request.args.get("digest", None)
if digest is None:
# Short-circuit because the user will send the blob data in another request.
return Response(
status=202,
headers={
"Docker-Upload-UUID": blob_uploader.blob_upload_id,
"Range": _render_range(0),
"Location": get_app_url()
+ url_for(
"v2.upload_chunk",
repository="%s/%s" % (namespace_name, repo_name),
upload_uuid=blob_uploader.blob_upload_id,
),
},
)
# Upload the data sent and commit it to a blob.
with complete_when_uploaded(blob_uploader):
_upload_chunk(blob_uploader, digest)
# Write the response to the client.
return Response(
status=201,
headers={
"Docker-Content-Digest": digest,
"Location": get_app_url()
+ url_for(
"v2.download_blob", repository="%s/%s" % (namespace_name, repo_name), digest=digest
),
},
)