def rollback(mirror, since_ms):
"""
:param mirror: Mirror to perform rollback on
:param start_time: Time mirror was started; all changes after will be undone
:return:
"""
repository_ref = registry_model.lookup_repository(
mirror.repository.namespace_user.username, mirror.repository.name)
tags, has_more = registry_model.list_repository_tag_history(
repository_ref, 1, 100, since_time_ms=since_ms)
for tag in tags:
logger.debug("Repo mirroring rollback tag '%s'" % tag)
# If the tag has an end time, it was either deleted or moved.
if tag.lifetime_end_ms:
# If a future entry exists with a start time equal to the end time for this tag,
# then the action was a move, rather than a delete and a create.
newer_tag = filter(
lambda t: tag != t and tag.name == t.name and tag.
lifetime_end_ms and t.lifetime_start_ms == tag.lifetime_end_ms,
tags,
)[0]
if newer_tag:
logger.debug("Repo mirroring rollback revert tag '%s'" % tag)
retarget_tag(tag.name, tag.manifest._db_id, is_reversion=True)
else:
logger.debug("Repo mirroring recreate tag '%s'" % tag)
retarget_tag(tag.name, tag.manifest._db_id, is_reversion=True)
# If the tag has a start time, it was created.
elif tag.lifetime_start_ms:
logger.debug("Repo mirroring rollback delete tag '%s'" % tag)
delete_tag(mirror.repository, tag.name)
def delete_obsolete_tags(mirror, tags):
existing_tags = lookup_alive_tags_shallow(mirror.repository.id)
obsolete_tags = list([tag for tag in existing_tags if tag.name not in tags])
for tag in obsolete_tags:
delete_tag(mirror.repository, tag.name)
return obsolete_tags
def delete_obsolete_tags(mirror, tags):
existing_tags = lookup_alive_tags_shallow(mirror.repository.id)
obsolete_tags = list(filter(lambda tag: tag.name not in tags, existing_tags))
for tag in obsolete_tags:
delete_tag(mirror.repository, tag.name)
return obsolete_tags
def delete_obsolete_tags(mirror, tags):
existing_tags = lookup_alive_tags_shallow(mirror.repository.id)
obsolete_tags = list(
[tag for tag in existing_tags if tag.name not in tags])
for tag in obsolete_tags:
logger.debug("Repo mirroring delete obsolete tag '%s'" % tag.name)
delete_tag(mirror.repository, tag.name)
return obsolete_tags
def rollback(mirror, since_ms):
"""
:param mirror: Mirror to perform rollback on
:param start_time: Time mirror was started; all changes after will be undone
:return:
"""
repository_ref = registry_model.lookup_repository(
mirror.repository.namespace_user.username, mirror.repository.name)
tags = []
index = 1
has_more = True
while has_more:
tags_page, has_more = registry_model.list_repository_tag_history(
repository_ref,
index,
TAG_ROLLBACK_PAGE_SIZE,
since_time_ms=since_ms)
tags.extend(tags_page)
index = index + 1
for tag in tags:
logger.debug("Repo mirroring rollback tag '%s'" % tag)
# If the tag has an end time, it was either deleted or moved.
if tag.lifetime_end_ms:
# If a future entry exists with a start time equal to the end time for this tag,
# then the action was a move, rather than a delete and a create.
tag_list = list(
filter(
lambda t: tag != t and tag.name == t.name and tag.
lifetime_end_ms and t.lifetime_start_ms == tag.
lifetime_end_ms,
tags,
))
if len(tag_list) > 0:
logger.debug("Repo mirroring rollback revert tag '%s'" % tag)
retarget_tag(tag.name, tag.manifest._db_id, is_reversion=True)
else:
logger.debug("Repo mirroring recreate tag '%s'" % tag)
retarget_tag(tag.name, tag.manifest._db_id, is_reversion=True)
# If the tag has a start time, it was created.
elif tag.lifetime_start_ms:
logger.debug("Repo mirroring rollback delete tag '%s'" % tag)
delete_tag(mirror.repository, tag.name)
def test_delete_tag(initialized_db):
found = False
for tag in list(filter_to_visible_tags(filter_to_alive_tags(Tag.select()))):
repo = tag.repository
assert get_tag(repo, tag.name) == tag
assert tag.lifetime_end_ms is None
with assert_query_count(3):
assert delete_tag(repo, tag.name) == tag
assert get_tag(repo, tag.name) is None
found = True
assert found
