Update ApiVersion for CronJob. Support Kubernetes 13.5

README.md

@@ -5,7 +5,7 @@ Here are 3 cleanups you can apply on your kubernetes cluster:
 * Cleans up old replica sets, finished jobs and unrecycled evicted pods as a CronJob (`k8s-clean.yml`).
 * Cleans up empty directory (not used anymore) in etcd as a CronJob (`etcd-empty-dir-cleanup.yml`).
 
-You must have `batch/v2alpha1` enabled on your k8s API server runtime config in order to run the CronJob.
+You must have `batch/v1beta1` enabled on your k8s API server runtime config in order to run the CronJob.
 
 ### Env vars
 In the DaemonSet (`docker-clean.yml`) you can set `DOCKER_CLEAN_INTERVAL` to modify the interval when it cleans up exited containers and dangling images/volumes; defaults to 30min (1800s).

etcd-empty-dir-cleanup.yml

@@ -1,5 +1,5 @@
 ---
-apiVersion: batch/v2alpha1
+apiVersion: batch/v1beta1
 kind: CronJob
 metadata:
   name: etcd-empty-dir-cleanup

k8s-clean.sh

@@ -27,7 +27,7 @@ for job in $finishedJobs; do
 done
 
 # Get unrecycled evicted pods older than 1h
-evictedPods=$(kubectl get pods --all-namespaces -a | grep 'Evicted' | \
+evictedPods=$(kubectl get pods --all-namespaces | grep 'Evicted' | \
   awk 'IF $6 ~ /h|d/ {print $1 "|" $2}')
 
 # Loop through evicted pods and delete them

k8s-clean.yml

@@ -1,5 +1,5 @@
 ---
-apiVersion: batch/v2alpha1
+apiVersion: batch/v1beta1
 kind: CronJob
 metadata:
   name: k8s-cleanup