Helm
Contents
[NOTE] Updated September 5, 2019. This article may have outdated content or subject matter.
Helm
helm有两个组件:
- helm: 客户端
- tiller: 服务端(helm3被移除)
概念:
- chart: 一个helm包,包含运行一个应用所需的镜像,依赖和资源.
- release: 在k8s集群上运行的一个chart实例.
- repository: 用于发布和存储chart的仓库.
安装
helm和kubectl一样,访问指定配置的k8s集群。
本地二进制安装helm:
// 下载helm二进制文件
$ mv linux-amd64/helm /usr/local/bin/helm && chmod +x /usr/local/bin/helm
helm2需要安装tiller到k8s上:
$ docker pull registry.aliyuncs.com/google_containers/tiller:v2.16.1
$ kubectl --kubeconfig=kube_configxxx.yml -n kube-system create serviceaccount tiller
$ kubectl --kubeconfig=kube_configxxx.yml create clusterrolebinding tiller \
--clusterrole cluster-admin --serviceaccount=kube-system:tiller
$ helm init --kubeconfig=$kubeconfig --service-account tiller --skip-refresh
helm3+不再需要安装tiller,也不需要helm init.
命令
安装chart:
helm install [name] [chart] [flags]
helm install redis ./redis
// 需提前创建namespace
helm install kubernetes-dashboard kubernetes-dashboard/kubernetes-dashboard -f value.yaml -n kubernetes-dashboard
查看release:
helm list
卸载release:
helm uninstall kubernetes-dashboard -n kubernetes-dashboard
chart
Chart.yaml
values.yaml
requirements.yaml
templates/*.yaml
charts/
Author Canux
LastMod 2019-09-05