kube-clean

Helm chart deploying cronjob that cleans failed pods in specified namespaces. It was inspired from the following discussion/answer in stackoverflow.

Prerequisites

• Before you can install the kube-clean chart make sure that you have:
  • helm version 3 installed on your machine (see also Installing Helm.
  • [Optional] kubectl in order to verify that pods are running.

Installation

In order to release the kube-clean helm chart in a dedicated namespace simply run:

cd /path/to/kube-clean/
helm install kube-clean ./ --namespace=kube-clean --create-namespace --debug

After the installation is verify your release with

helm list -n kube-clean

or

kubectl -n kube-clean get all

Values

The values.yaml files have the following meaning:

Parameter	Description	Type	Default
targetNamespaces	namespaces that should be cleaned	array	["default"]
--------------------------------------	-------------------------------------------------------------	-----------	--------------------
cronJob.schedule	CronJobSpec for set the schedule of the CronJob	string	@daily
cronJob.successfulJobsHistoryLimit	CronJobSpec for number of successful jobs to keep	integer	1
cronJob.failedJobsHistoryLimit	CronJobSpec for number of failed jobs to keep	integer	1
--------------------------------------	-------------------------------------------------------------	-----------	--------------------
pods.image.repository	PodSpec for the image repository	string	bitnami/kubectl
pods.image.tag	PodSpec for overwriting the image tag	string	Chart appVersion
pods.image.pullPolicy	PodSpec for the image pull policy	string	IfNotPresent
pods.restartPolicy	PodSpec for pod restarting policy on failure	string	OnFailure
pods.resources	PodSpec for resource request and limit for CPU and memory	map	See values.yaml
pods.seurityContext	PodSpec for defining security context of the pod	map	See values.yaml
pods.annotations	PodSpec for defining annotations of the pod	map	{}
pods.nodeSelector	PodSpec for defining nodeSelector to deploy the pod on	map	{}
pods.tolerations	PodSpec for defining tolerations to deploy the pod on	array	[]
pods.affinity	PodSpec for defining affinity to deploy the pod on	map	{}