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Helm Charts

Helm 部署 GKE CronJob

Helm 部署 GKE CronJob
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#Helm Charts
Table Of Content

程式範例: GKE-CronJob

初始化指令:

helm create helm-cronjob

templates/cronjob.yaml 結構

apiVersion: batch/v1
kind: CronJob
metadata:
  {{- if .Values.labels }}
  labels:
    {{- include "labels" . | indent 4 }}
  {{- end }}
  # Cronjob name
  name: {{ .Values.job.name }}
  # namespace
  namespace: {{ .Values.job.namespace | default "default" }}
spec:
  schedule: {{ .Values.job.schedule | toYaml | default "* * * * *" }}
  concurrencyPolicy: Allow
  suspend: false
  failedJobsHistoryLimit: {{ .Values.job.failedJobsHistoryLimit | default 10 }}
  successfulJobsHistoryLimit: {{ .Values.job.successfulJobsHistoryLimit | default 10 }}
  jobTemplate:
    spec:
      template:
        metadata:
          {{- if .Values.labels }}
          labels:
            {{- include "labels" . | indent 12 }}
          {{- end }}
        spec:
          containers:
          - name: {{ .Values.job.name }}
            image: {{ .Values.job.image.repository | default "nginx:latest" }}
            imagePullPolicy: {{ .Values.job.image.imagePullPolicy | default "Always" }}
          restartPolicy: OnFailure

templates/_helpers.tpl 結構

{{/*----- labels 模板，通用給 deployment service 確保一致性 -----*/}}
{{- define "labels" }}
{{- with .Values.labels }}
env: {{ .env }}
type: {{ .type }}
dept: {{ .dept }}
product: {{ .product }}
repo: {{ .repo }}
{{- if .tag }}
tag: {{ .tag }}
{{- end }}
{{- end }}
{{- end }}

values.yaml 結構

# env => 部屬的環境(必填)，可填值 dev test staging prod
# type => 部屬的類型(必填)，可填值 api job frontend
# dept => 部門的單位(必填)，可填值 platform outside interface gt1
# product => 服務名稱(必填)，例如: bbchat schedule
# repo => 部屬服務的 repo 名稱(必填)，例如: imctl_api, imctl_web
labels:
  env: dev
  type: cronjob
  dept: rpa
  product: schedule
  repo: cronjob-test

# This is a YAML-formatted file.
# Declare variables to be passed into your templates.
job:
  # first cron
  name: "hello-world"
  image:
    repository: eugeneyiew128/gke-practice:dev_2024031912
    imagePullPolicy: Always
  namespace: gke-test-f2e
  schedule: "* * * * *"
  failedJobsHistoryLimit: 1
  successfulJobsHistoryLimit: 3
  concurrencyPolicy: Allow
  restartPolicy: OnFailure

helm lint 檢查

helm lint app-helm/

helm 起服務

helm install <服務名稱> app-helm

更新 Pod image 和 tag

helm upgrade --reuse-values --set image.repository=<image url> --set image.tag=<image tag> <deployment name> <helm folder>

ex: helm upgrade --reuse-values --set job.image.repository=eugeneyiew128/gke-practice:cronjob4ede4a87 <服務名稱> app-helm

列出 helm 在線上的服務

helm ls

刪除 helm list 中的內容

helm delete gke-test-f2e
or
helm uninstall test-cron-job

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