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Implement support for blob mounting via the mount parameter on blob uploads

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Fixes https://jira.coreos.com/browse/QUAY-893
This commit is contained in:
Joseph Schorr 2018-04-15 14:55:14 +03:00
parent 44bb000fa5
commit 0fa1a1d5fd
5 changed files with 179 additions and 8 deletions
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33
data/model/blob.py
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@ -30,9 +30,7 @@ def store_blob_record_and_temp_link(namespace, repo_name, blob_digest, location_
link_expiration_s, uncompressed_byte_count=None):
""" Store a record of the blob and temporarily link it to the specified repository.
"""
random_image_name = str(uuid4())
with db_transaction():
repo = _basequery.get_existing_repository(namespace, repo_name)
try:
storage = ImageStorage.get(content_checksum=blob_digest)
storage.image_size = byte_count
@ -51,12 +49,33 @@ def store_blob_record_and_temp_link(namespace, repo_name, blob_digest, location_
except ImageStoragePlacement.DoesNotExist:
ImageStoragePlacement.create(storage=storage, location=location_obj)
# Create a temporary link into the repository, to be replaced by the v1 metadata later
# and create a temporary tag to reference it
image = Image.create(storage=storage, docker_image_id=random_image_name, repository=repo)
tag.create_temporary_hidden_tag(repo, image, link_expiration_s)
_temp_link_blob(namespace, repo_name, storage, link_expiration_s)
return storage
return storage
def temp_link_blob(namespace, repo_name, blob_digest, link_expiration_s):
""" Temporarily links to the blob record from the given namespace. If the blob record is not
found, return None.
"""
with db_transaction():
try:
storage = ImageStorage.get(content_checksum=blob_digest)
except ImageStorage.DoesNotExist:
return None
_temp_link_blob(namespace, repo_name, storage, link_expiration_s)
return storage
def _temp_link_blob(namespace, repo_name, storage, link_expiration_s):
""" Note: Should *always* be called by a parent under a transaction. """
random_image_name = str(uuid4())
repo = _basequery.get_existing_repository(namespace, repo_name)
# Create a temporary link into the repository, to be replaced by the v1 metadata later
# and create a temporary tag to reference it
image = Image.create(storage=storage, docker_image_id=random_image_name, repository=repo)
tag.create_temporary_hidden_tag(repo, image, link_expiration_s)
def get_stale_blob_upload(stale_timespan):