helm3 instruction
版本对比
helm3 与helm2对比，官方文档。
https://helm.sh/docs/topics/v2_v3_migration/
官方
官方网站 https://helm.sh/
https://helm.sh/
github https://github.com/helm/helm/releases
https://github.com/helm/helm/releases
部署
官网部署文档 https://helm.sh/docs/intro/install/
https://helm.sh/docs/intro/install/
解压
[root@master01 ~]# tar xf helm-v3.6.3-linux-386.tar.gz
拷贝
[root@master01 ~]# cd linux-386/
[root@master01 linux-386]# ls
helm LICENSE README.md
[root@master01 linux-386]#
[root@master01 linux-386]# cp helm /usr/bin/
更新
既然下载了，可以不进行更新
[root@master01 ~]# curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
[root@master01 linux-386]# ls
get_helm.sh helm LICENSE README.md
[root@master01 linux-386]# chmod 700 get_helm.sh
[root@master01 linux-386]#
[root@master01 linux-386]# ./get_helm.sh
Downloading https://get.helm.sh/helm-v3.6.3-linux-amd64.tar.gz
Verifying checksum... Done.
Preparing to install helm into /usr/local/bin
helm installed into /usr/local/bin/helm
[root@master01 linux-386]#
helm 常用命令
helm version
[root@master01 ~]# helm version
version.BuildInfo{Version:"v3.6.3", GitCommit:"d506314abfb5d21419df8c7e7e68012379db2354", GitTreeState:"clean", GoVersion:"go1.16.5"}
[root@master01 ~]#
helm env
[root@master01 ~]# helm env
HELM_BIN="helm"
HELM_CACHE_HOME="/root/.cache/helm"
HELM_CONFIG_HOME="/root/.config/helm"
HELM_DATA_HOME="/root/.local/share/helm"
HELM_DEBUG="false"
HELM_KUBEAPISERVER=""
HELM_KUBEASGROUPS=""
HELM_KUBEASUSER=""
HELM_KUBECAFILE=""
HELM_KUBECONTEXT=""
HELM_KUBETOKEN=""
HELM_MAX_HISTORY="10"
HELM_NAMESPACE="default"
HELM_PLUGINS="/root/.local/share/helm/plugins"
HELM_REGISTRY_CONFIG="/root/.config/helm/registry.json"
HELM_REPOSITORY_CACHE="/root/.cache/helm/repository"
HELM_REPOSITORY_CONFIG="/root/.config/helm/repositories.yaml"
[root@master01 ~]#
添加仓库
[root@master01 ~]# helm repo add bitnami https://charts.bitnami.com/bitnami
"bitnami" has been added to your repositories
[root@master01 ~]#
查看仓库列表
[root@master01 ~]# helm repo list
NAME URL
bitnami https://charts.bitnami.com/bitnami
[root@master01 ~]#
更新仓库
[root@master01 ~]# helm repo update
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "bitnami" chart repository
Update Complete. ⎈Happy Helming!⎈
[root@master01 ~]#
[root@master01 ~]# helm search repo bitnami
NAME CHART VERSION APP VERSION DESCRIPTION
bitnami/bitnami-common 0.0.9 0.0.9 DEPRECATED Chart with custom templates used in ...
bitnami/airflow 10.2.7 2.1.2 Apache Airflow is a platform to programmaticall...
bitnami/apache 8.5.10 2.4.48 Chart for Apache HTTP Server
bitnami/argo-cd 1.0.0 2.0.5 Declarative, GitOps continuous delivery tool fo...
#... and many more
部署应用
[root@master01 ~]# helm install bitnami/zookeeper --generate-name
NAME: zookeeper-1628066005
LAST DEPLOYED: Wed Aug 4 16:33:28 2021
NAMESPACE: default
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
** Please be patient while the chart is being deployed **
ZooKeeper can be accessed via port 2181 on the following DNS name from within your cluster:
zookeeper-1628066005.default.svc.cluster.local
To connect to your ZooKeeper server run the following commands:
export POD_NAME=$(kubectl get pods --namespace default -l "app.kubernetes.io/name=zookeeper,app.kubernetes.io/instance=zookeeper-1628066005,app.kubernetes.io/component=zookeeper" -o jsonpath="{.items[0].metadata.name}")
kubectl exec -it $POD_NAME -- zkCli.sh
To connect to your ZooKeeper server from outside the cluster execute the following commands:
kubectl port-forward --namespace default svc/zookeeper-1628066005 2181:2181 &
zkCli.sh 127.0.0.1:2181
[root@master01 ~]#
查看应用列表
[root@master01 ~]# helm list
NAME NAMESPACE REVISION UPDATED STATUS CHART APP VERSION
zookeeper-1628066005 default 1 2021-08-04 16:33:28.144386149 +0800 CST deployed zookeeper-7.1.1 3.7.0
[root@master01 ~]#
查看SVC
[root@master01 ~]# ks
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 5d <none>
nginx ClusterIP 10.101.229.167 <none> 443/TCP 4d16h io.kompose.service=nginx
registry ClusterIP 10.100.47.25 <none> 5000/TCP 4d16h io.kompose.service=registry
zookeeper-1628066005 ClusterIP 10.103.108.218 <none> 2181/TCP,2888/TCP,3888/TCP 61s app.kubernetes.io/component=zookeeper,app.kubernetes.io/instance=zookeeper-1628066005,app.kubernetes.io/name=zookeeper
zookeeper-1628066005-headless ClusterIP None <none> 2181/TCP,2888/TCP,3888/TCP 61s app.kubernetes.io/component=zookeeper,app.kubernetes.io/instance=zookeeper-1628066005,app.kubernetes.io/name=zookeeper
[root@master01 ~]#
查看应用状态
[root@master01 ~]# helm status zookeeper-1628066253
NAME: zookeeper-1628066253
LAST DEPLOYED: Wed Aug 4 16:37:36 2021
NAMESPACE: default
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
** Please be patient while the chart is being deployed **
ZooKeeper can be accessed via port 2181 on the following DNS name from within your cluster:
zookeeper-1628066253.default.svc.cluster.local
To connect to your ZooKeeper server run the following commands:
export POD_NAME=$(kubectl get pods --namespace default -l "app.kubernetes.io/name=zookeeper,app.kubernetes.io/instance=zookeeper-1628066253,app.kubernetes.io/component=zookeeper" -o jsonpath="{.items[0].metadata.name}")
kubectl exec -it $POD_NAME -- zkCli.sh
To connect to your ZooKeeper server from outside the cluster execute the following commands:
kubectl port-forward --namespace default svc/zookeeper-1628066253 2181:2181 &
zkCli.sh 127.0.0.1:2181
[root@master01 ~]#
卸载应用
[root@master01 ~]# helm uninstall zookeeper-1628066005
release "zookeeper-1628066005" uninstalled
[root@master01 ~]#
helm下载chart包
[zhangpeng@27ops helm]$ helm pull bitnami/apache
[zhangpeng@27ops helm]$ ls
apache-9.2.1.tgz
[zhangpeng@27ops helm]$ tar xf apache-9.2.1.tgz
[zhangpeng@27ops helm]$ ls
apache apache-9.2.1.tgz
[zhangpeng@27ops helm]$ cd apache/
[zhangpeng@27ops apache]$ ls
Chart.lock charts Chart.yaml files README.md templates values.schema.json values.yaml
[zhangpeng@27ops apache]$ vim Chart.yaml