def remove_rhcos_workers(self):
"""
After RHEL workers are added remove rhcos workers from the cluster
Raise:
FailedToRemoveNodeException: if rhcos removal is failed
"""
rhcos_workers = self.get_rhcos_workers()
for node in rhcos_workers:
cordon = f"oc adm cordon {node}"
run_cmd(cordon)
drain_nodes([node])
delete = f"oc delete nodes {node}"
run_cmd(delete)
if len(self.get_rhcos_workers()):
raise exceptions.FailedToRemoveNodeException()
def remove_rhcos_workers(self):
"""
After RHEL workers are added remove rhcos workers from the cluster
Raise:
FailedToRemoveNodeException: if rhcos removal is failed
"""
rhcos_workers = self.get_rhcos_workers()
for node in rhcos_workers:
cordon = f"oc adm cordon {node}"
run_cmd(cordon)
drain = (f"oc adm drain {node} --force --delete-local-data "
f"--ignore-daemonsets")
run_cmd(drain)
delete = f"oc delete nodes {node}"
run_cmd(delete)
if len(self.get_rhcos_workers()):
raise exceptions.FailedToRemoveNodeException()
