from chaoslib.types import Secrets
from kubernetes import client
from logzero import logger
from chaosk8s import create_k8s_api_client
__all__ = ["delete_replica_set"]
def delete_replica_set(name: str, ns: str = "default",
label_selector: str = "name in ({name})",
secrets: Secrets = None):
"""
Delete a replica set by `name` in the namespace `ns`.
The replica set is deleted without a graceful period to trigger an abrupt
termination.
The selected resources are matched by the given `label_selector`.
"""
label_selector = label_selector.format(name=name)
api = create_k8s_api_client(secrets)
v1 = client.ExtensionsV1beta1Api(api)
if label_selector:
ret = v1.list_namespaced_replica_set(ns, label_selector=label_selector)
else:
ret = v1.list_namespaced_replica_set(ns)
logger.debug("Found {d} replica sets named '{n}'".format(
d=len(ret.items), n=name))
body = client.V1DeleteOptions()
for r in ret.items:
v1.delete_namespaced_replica_set(r.metadata.name, ns, body=body)
