helm便利系コマンド

リポジトリ

helm repo list

NAME     	URL
stable   	https://kubernetes-charts.storage.googleapis.com
local    	http://127.0.0.1:8879/charts
incubator	http://storage.googleapis.com/kubernetes-charts-incubator

チャートの検索

helm search mysql

NAME                            	CHART VERSION	APP VERSION	DESCRIPTION
incubator/mysqlha               	1.0.0        	5.7.13     	MySQL cluster with a single master and zero or more slave...
stable/mysql                    	1.6.2        	5.7.28     	Fast, reliable, scalable, and easy to use open-source rel...
stable/mysqldump                	2.6.0        	2.4.1      	A Helm chart to help backup MySQL databases using mysqldump
stable/prometheus-mysql-exporter	0.5.2        	v0.11.0    	A Helm chart for prometheus mysql exporter with cloudsqlp...
stable/percona                  	1.2.0        	5.7.17     	free, fully compatible, enhanced, open source drop-in rep...
stable/percona-xtradb-cluster   	1.0.3        	5.7.19     	free, fully compatible, enhanced, open source drop-in rep...
stable/phpmyadmin               	4.2.12       	5.0.1      	phpMyAdmin is an mysql administration frontend
stable/gcloud-sqlproxy          	0.6.1        	1.11       	DEPRECATED Google Cloud SQL Proxy
stable/mariadb                  	7.3.9        	10.3.22    	Fast, reliable, scalable, and easy to use open-source rel...

アーカイブのダウンロード

helm fetch stable/mysql

mysql-1.6.2.tgz

チャート作成

テンプレートが作られる

helm create sample

アーカイブ

自作してWebサーバに公開する時とか

helm package sample

~/D/tmp ❯❯❯ helm package sample                                                               ✘ 127
Successfully packaged chart and saved it to: /Users/yuta/Desktop/tmp/sample-0.1.0.tgz

構文チェック

helm lint sample-0.1.0.tgz

==> Linting sample-0.1.0.tgz
[INFO] Chart.yaml: icon is recommended

1 chart(s) linted, no failures

yamlファイルの中身を表示

helm template sample-0.1.0.tgz

---
# Source: sample/templates/serviceaccount.yaml
apiVersion: v1
kind: ServiceAccount
metadata:
  name: release-name-sample
  labels:
    app.kubernetes.io/name: sample
    helm.sh/chart: sample-0.1.0
    app.kubernetes.io/instance: release-name
    app.kubernetes.io/version: "1.0"
    app.kubernetes.io/managed-by: Tiller
---
# Source: sample/templates/service.yaml
apiVersion: v1

外部公開されているChartのyamlを取得したいとき

~/D/tmp ❯❯❯ helm fetch stable/mysql
~/D/tmp ❯❯❯ helm template mysql-1.6.2.tgz

chartをクラスタへインストール

helm install sample