You can define an array of jobs in values.yaml helm will take care of creating all the CronJobs.
-
Find your Helm data directory,
HELM_DATA_HOMEhelm env -
cdto this directory, thenmkdir starters cd starters -
Clone this repo
-
In your cronjob project, set up your new chart with
helm create -p helm-cronjobs your_chart_name
template:
jobs:
### REQUIRED ###
- name: <job_name>
image:
repository: <image_repo>
tag: <image_tag>
imagePullPolicy: <pull_policy>
schedule: "<cron_schedule>"
failedJobsHistoryLimit: <failed_history_limit>
successfulJobsHistoryLimit: <successful_history_limit>
concurrencyPolicy: <concurrency_policy>
restartPolicy: <restart_policy>
### OPTIONAL ###
env:
- name: ENV_VAR
value: ENV_VALUE
envFrom:
- secretRef:
name: <secret_name>
- configMapRef:
name: <configmap_name>
command: ["<command>"]
args:
- "<arg_1>"
- "<arg_2>"
resources:
limits:
cpu: <cpu_count>
memory: <memory_count>
requests:
cpu: <cpu_count>
memory: <memory_count>
serviceAccount:
name: <account_name>
annotations: # Optional
my-annotation-1: <value>
my-annotation-2: <value>
nodeSelector:
key: <value>
tolerations:
- effect: NoSchedule
operator: Exists
volumes:
- name: config-mount
configMap:
name: configmap-name
items:
- key: configuration.yml
path: configuration.yml
volumeMounts:
- name: config-mount
mountPath: /etc/config
affinity:
nodeAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
nodeSelectorTerms:
- matchExpressions:
- key: kubernetes.io/e2e-az-name
operator: In
values:
- e2e-az1
- e2e-az2$ helm install test-cron-job .
NAME: cold-fly
LAST DEPLOYED: Fri Feb 1 15:29:21 2019
NAMESPACE: default
STATUS: DEPLOYED
RESOURCES:
==> v1/CronJob
NAME AGE
cold-fly-hello-world 1s
cold-fly-hello-ubuntu 1s
cold-fly-hello-env-var 1s
list cronjobs:
$ kubectl get cronjob
NAME SCHEDULE SUSPEND ACTIVE LAST SCHEDULE AGE
cold-fly-hello-env-var * * * * * False 0 23s 1m
cold-fly-hello-ubuntu */5 * * * * False 0 23s 1m
cold-fly-hello-world * * * * * False 0 23s 1m
list jobs:
$ kubectl get jobs
NAME DESIRED SUCCESSFUL AGE
cold-fly-hello-env-var-1549056600 1 1 45s
cold-fly-hello-ubuntu-1549056600 1 1 45s
cold-fly-hello-world-1549056600 1 1 45s
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