Whenever I do a cluster install and after running a cluster for a while, the “Completed” pod references start to mount up in the GUI. Here’s a quick and dirty way to clean up old pods.
kind: ServiceAccount
apiVersion: v1
metadata:
name: pod-cleaner
namespace: default
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: pod-list-delete-role
rules:
- apiGroups: [""]
resources: ["pods"]
verbs: ["list", "delete"]
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
name: pod-cleaner-list-pods
subjects:
- kind: ServiceAccount
name: pod-cleaner
namespace: default
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: pod-list-delete-role
---
apiVersion: batch/v1
kind: CronJob
metadata:
name: delete-completed-pods
namespace: default
spec:
schedule: "0 * * * *" # Run every hour
jobTemplate:
spec:
template:
spec:
serviceAccountName: pod-cleaner # Specify the ServiceAccount created
containers:
- name: delete-completed-pods
image: registry.redhat.io/openshift4/ose-cli:latest
command:
- /bin/sh
- -c
- |
oc delete pod --field-selector=status.phase==Succeeded -A
oc delete pod --field-selector=status.phase==Failed -A
restartPolicy: OnFailure