def fetch_manifest_by_tagname(namespace_name, repo_name, manifest_ref, registry_model):
try:
repository_ref = registry_model.lookup_repository(
namespace_name, repo_name, raise_on_error=True, manifest_ref=manifest_ref
)
except RepositoryDoesNotExist as e:
image_pulls.labels("v2", "tag", 404).inc()
raise NameUnknown("repository not found")
try:
tag = registry_model.get_repo_tag(repository_ref, manifest_ref, raise_on_error=True)
except TagDoesNotExist as e:
if registry_model.has_expired_tag(repository_ref, manifest_ref):
logger.debug(
"Found expired tag %s for repository %s/%s", manifest_ref, namespace_name, repo_name
)
msg = (
"Tag %s was deleted or has expired. To pull, revive via time machine" % manifest_ref
)
image_pulls.labels("v2", "tag", 404).inc()
raise TagExpired(msg)
image_pulls.labels("v2", "tag", 404).inc()
raise ManifestUnknown(str(e))
manifest = registry_model.get_manifest_for_tag(tag)
if manifest is None:
# Something went wrong.
image_pulls.labels("v2", "tag", 400).inc()
raise ManifestInvalid()
try:
manifest_bytes, manifest_digest, manifest_media_type = _rewrite_schema_if_necessary(
namespace_name, repo_name, manifest_ref, manifest, registry_model
)
except (ManifestException, ManifestDoesNotExist) as e:
image_pulls.labels("v2", "tag", 404).inc()
raise ManifestUnknown(str(e))
if manifest_bytes is None:
image_pulls.labels("v2", "tag", 404).inc()
raise ManifestUnknown()
track_and_log(
"pull_repo",
repository_ref,
analytics_name="pull_repo_100x",
analytics_sample=0.01,
tag=manifest_ref,
)
image_pulls.labels("v2", "tag", 200).inc()
return Response(
manifest_bytes.as_unicode(),
status=200,
headers={
"Content-Type": manifest_media_type,
"Docker-Content-Digest": manifest_digest,
},
)
def fetch_manifest_by_tagname(namespace_name, repo_name, manifest_ref):
repository_ref = registry_model.lookup_repository(namespace_name, repo_name)
if repository_ref is None:
raise NameUnknown()
tag = registry_model.get_repo_tag(repository_ref, manifest_ref)
if tag is None:
if registry_model.has_expired_tag(repository_ref, manifest_ref):
logger.debug(
"Found expired tag %s for repository %s/%s", manifest_ref, namespace_name, repo_name
)
msg = (
"Tag %s was deleted or has expired. To pull, revive via time machine" % manifest_ref
)
raise TagExpired(msg)
raise ManifestUnknown()
manifest = registry_model.get_manifest_for_tag(tag, backfill_if_necessary=True)
if manifest is None:
# Something went wrong.
raise ManifestInvalid()
manifest_bytes, manifest_digest, manifest_media_type = _rewrite_schema_if_necessary(
namespace_name, repo_name, manifest_ref, manifest
)
if manifest_bytes is None:
raise ManifestUnknown()
track_and_log(
"pull_repo",
repository_ref,
analytics_name="pull_repo_100x",
analytics_sample=0.01,
tag=manifest_ref,
)
metric_queue.repository_pull.Inc(labelvalues=[namespace_name, repo_name, "v2", True])
return Response(
manifest_bytes.as_unicode(),
status=200,
headers={"Content-Type": manifest_media_type, "Docker-Content-Digest": manifest_digest,},
)
