def _garbage_collect_manifest(manifest_id, context):
assert manifest_id is not None
# Make sure the manifest isn't referenced.
if _check_manifest_used(manifest_id):
return False
# Add the manifest's blobs to the context to be GCed.
for manifest_blob in ManifestBlob.select().where(ManifestBlob.manifest == manifest_id):
context.add_blob_id(manifest_blob.blob_id)
# Retrieve the manifest's associated image, if any.
try:
legacy_image_id = ManifestLegacyImage.get(manifest=manifest_id).image_id
context.add_legacy_image_id(legacy_image_id)
except ManifestLegacyImage.DoesNotExist:
legacy_image_id = None
# Add child manifests to be GCed.
for connector in ManifestChild.select().where(ManifestChild.manifest == manifest_id):
context.add_manifest_id(connector.child_manifest_id)
# Add the labels to be GCed.
for manifest_label in ManifestLabel.select().where(ManifestLabel.manifest == manifest_id):
context.add_label_id(manifest_label.label_id)
# Delete the manifest.
with db_transaction():
try:
manifest = Manifest.select().where(Manifest.id == manifest_id).get()
except Manifest.DoesNotExist:
return False
assert manifest.id == manifest_id
assert manifest.repository_id == context.repository.id
if _check_manifest_used(manifest_id):
return False
# Delete any label mappings.
(TagManifestLabelMap
.delete()
.where(TagManifestLabelMap.manifest == manifest_id)
.execute())
# Delete any mapping rows for the manifest.
TagManifestToManifest.delete().where(TagManifestToManifest.manifest == manifest_id).execute()
# Delete any label rows.
ManifestLabel.delete().where(ManifestLabel.manifest == manifest_id,
ManifestLabel.repository == context.repository).execute()
# Delete any child manifest rows.
ManifestChild.delete().where(ManifestChild.manifest == manifest_id,
ManifestChild.repository == context.repository).execute()
# Delete the manifest blobs for the manifest.
ManifestBlob.delete().where(ManifestBlob.manifest == manifest_id,
ManifestBlob.repository == context.repository).execute()
# Delete the manifest legacy image row.
if legacy_image_id:
(ManifestLegacyImage
.delete()
.where(ManifestLegacyImage.manifest == manifest_id,
ManifestLegacyImage.repository == context.repository)
.execute())
# Delete the manifest.
manifest.delete_instance()
context.mark_manifest_removed(manifest)
return True
def _garbage_collect_manifest(manifest_id, context):
assert manifest_id is not None
# Make sure the manifest isn't referenced.
if _check_manifest_used(manifest_id):
return False
# Add the manifest's blobs to the context to be GCed.
for manifest_blob in ManifestBlob.select().where(
ManifestBlob.manifest == manifest_id):
context.add_blob_id(manifest_blob.blob_id)
# Retrieve the manifest's associated image, if any.
try:
legacy_image_id = ManifestLegacyImage.get(
manifest=manifest_id).image_id
context.add_legacy_image_id(legacy_image_id)
except ManifestLegacyImage.DoesNotExist:
legacy_image_id = None
# Add child manifests to be GCed.
for connector in ManifestChild.select().where(
ManifestChild.manifest == manifest_id):
context.add_manifest_id(connector.child_manifest_id)
# Add the labels to be GCed.
for manifest_label in ManifestLabel.select().where(
ManifestLabel.manifest == manifest_id):
context.add_label_id(manifest_label.label_id)
# Delete the manifest.
with db_transaction():
try:
manifest = Manifest.select().where(
Manifest.id == manifest_id).get()
except Manifest.DoesNotExist:
return False
assert manifest.id == manifest_id
assert manifest.repository_id == context.repository.id
if _check_manifest_used(manifest_id):
return False
# Delete any label mappings.
deleted_tag_manifest_label_map = (TagManifestLabelMap.delete().where(
TagManifestLabelMap.manifest == manifest_id).execute())
# Delete any mapping rows for the manifest.
deleted_tag_manifest_to_manifest = (
TagManifestToManifest.delete().where(
TagManifestToManifest.manifest == manifest_id).execute())
# Delete any label rows.
deleted_manifest_label = (ManifestLabel.delete().where(
ManifestLabel.manifest == manifest_id,
ManifestLabel.repository == context.repository,
).execute())
# Delete any child manifest rows.
deleted_manifest_child = (ManifestChild.delete().where(
ManifestChild.manifest == manifest_id,
ManifestChild.repository == context.repository,
).execute())
# Delete the manifest blobs for the manifest.
deleted_manifest_blob = (ManifestBlob.delete().where(
ManifestBlob.manifest == manifest_id,
ManifestBlob.repository == context.repository).execute())
# Delete the security status for the manifest
deleted_manifest_security = (ManifestSecurityStatus.delete().where(
ManifestSecurityStatus.manifest == manifest_id,
ManifestSecurityStatus.repository == context.repository,
).execute())
# Delete the manifest legacy image row.
deleted_manifest_legacy_image = 0
if legacy_image_id:
deleted_manifest_legacy_image = (
ManifestLegacyImage.delete().where(
ManifestLegacyImage.manifest == manifest_id,
ManifestLegacyImage.repository == context.repository,
).execute())
# Delete the manifest.
manifest.delete_instance()
context.mark_manifest_removed(manifest)
gc_table_rows_deleted.labels(
table="TagManifestLabelMap").inc(deleted_tag_manifest_label_map)
gc_table_rows_deleted.labels(
table="TagManifestToManifest").inc(deleted_tag_manifest_to_manifest)
gc_table_rows_deleted.labels(
table="ManifestLabel").inc(deleted_manifest_label)
gc_table_rows_deleted.labels(
table="ManifestChild").inc(deleted_manifest_child)
gc_table_rows_deleted.labels(
table="ManifestBlob").inc(deleted_manifest_blob)
gc_table_rows_deleted.labels(
table="ManifestSecurityStatus").inc(deleted_manifest_security)
if deleted_manifest_legacy_image:
gc_table_rows_deleted.labels(
table="ManifestLegacyImage").inc(deleted_manifest_legacy_image)
gc_table_rows_deleted.labels(table="Manifest").inc()
return True
