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Handle the cases where an existing tag manifest or manifest has already been created

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This commit is contained in:
Joseph Schorr 2018-08-27 15:02:03 -04:00
parent f297249100
commit 581ec47798
1 changed files with 20 additions and 3 deletions
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23
data/model/tag.py
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@ -612,7 +612,13 @@ def get_possibly_expired_tag(namespace, repo_name, tag_name):
def associate_generated_tag_manifest(namespace, repo_name, tag_name, manifest, storage_id_map):
tag = get_active_tag(namespace, repo_name, tag_name)
return _create_manifest(tag, manifest, storage_id_map)
try:
manifest = TagManifest.get(digest=manifest.digest)
manifest.tag = tag
manifest.save()
return manifest, False
except TagManifest.DoesNotExist:
return _create_manifest(tag, manifest, storage_id_map), True
def _create_manifest(tag, manifest, storage_id_map):
@ -639,9 +645,20 @@ def _create_manifest(tag, manifest, storage_id_map):
def populate_manifest(repository, manifest, legacy_image, storage_ids):
""" Populates the rows for the manifest, including its blobs and legacy image. """
media_type = Manifest.media_type.get_id(manifest.media_type)
# Check for an existing manifest. If present, return it.
try:
return Manifest.get(repository=repository, digest=manifest.digest)
except Manifest.DoesNotExist:
pass
with db_transaction():
manifest_row = Manifest.create(digest=manifest.digest, repository=repository,
manifest_bytes=manifest.bytes, media_type=media_type)
try:
manifest_row = Manifest.create(digest=manifest.digest, repository=repository,
manifest_bytes=manifest.bytes, media_type=media_type)
except IntegrityError:
return Manifest.get(repository=repository, digest=manifest.digest)
ManifestLegacyImage.create(manifest=manifest_row, repository=repository, image=legacy_image)
blobs_to_insert = [dict(manifest=manifest_row, repository=repository,