容器编排大王Kubernetes——helm包管理工具(8)

介绍helm是kubernetes集群中chart包的管理工具，相当于rpm包的管理工具为yum/install，而helm管理的是k8s部署业务的yaml文件一键安装部署可以做到，适用于打包给开发人员一键部署

FJW020814

1862人浏览 · 2025-10-24 23:45:04

FJW020814 · 2025-10-24 23:45:04 发布

一 helm简介

Helm是Kubernetes 应用的包管理工具，主要用来管理 Charts，类似Linux系统的yum/dnf，charts就是rpm。
Helm Chart是用来封装Kubernetes原生应用程序的一系列YAML文件。可以在你部署应用的时候自定义应用程序的一些 Metadata，以便于应用程序的分发。
对于应用发布者而言
通过Helm打包应用、管理应用依赖关系、管理应用版本并发布应用到软件仓库。
对于使用者而言
使用Helm后可以以简单的方式在Kubernetes上查找、安装、升级、回滚、卸载应用程序

二部署helm

官网与资源

官网： https://helm.sh/zh/docs/intro/quickstart/

软件资源： https://github.com/helm/helm/releases

1.安装helm

[root@master mnt]# tar zxf helm-v3.19.0-linux-amd64.tar.gz
[root@master mnt]# ls
helm-v3.19.0-linux-amd64.tar.gz 
[root@master helm]# cd  linux-amd64/
[root@master linux-amd64]# ls
helm  LICENSE  README.md
[root@master linux-amd64]# cp -p helm  /usr/local/bin/

2.配置helm命令补齐

[root@master linux-amd64]# echo "source <(helm completion bash)" >> ~/.bashrc
root@master linux-amd64]# source ~/.bashrc
[root@master linux-amd64]# helm version
version.BuildInfo{Version:"v3.19.0", GitCommit:"3d8990f0836691f0229297773f3524598f46bda6", GitTreeState:"clean", GoVersion:"go1.24.7"}

三 helm常用操作

3.1 常用命令

命令	描述
create	创建一个 chart 并指定名字
dependency	管理 chart 依赖
get	下载一个 release。可用子命令：all、hooks、manifest、notes、values
history	获取 release 历史
install	安装一个 chart
list	列出 release
package	将 chart 目录打包到 chart 存档文件中
pull	从远程仓库中下载 chart 并解压到本地 # helm pull stable/mysql – untar
repo	添加，列出，移除，更新和索引 chart 仓库。可用子命令：add、index、 list、remove、update
rollback	从之前版本回滚
search	根据关键字搜索 chart。可用子命令：hub、repo
show	查看 chart 详细信息。可用子命令：all、chart、readme、values
status	显示已命名版本的状态
template	本地呈现模板
uninstall	卸载一个 release
upgrade	更新一个 release
version	查看 helm 客户端版本

3.2 helm仓库的管理

以下为常用的仓库源

阿里云仓库：https://kubernetes.oss-cn-hangzhou.aliyuncs.com/charts
bitnami仓库： https://charts.bitnami.com/bitnami
微软仓库：http://mirror.azure.cn/kubernetes/charts/
官方仓库： https://hub.kubeapps.com/charts/incubator

[root@k8s-master helm]# helm search  hub nginx		#在官方仓库中搜索
[root@k8s-master helm]# helm  search  repo  nginx	#在本地仓库中搜索

添加第三方repo源

#添加阿里云仓库
[root@master helm]# helm repo  add aliyun https://kubernetes.oss-cn-hangzhou.aliyuncs.com/charts
"aliyun" has been added to your repositories

#添加bitnami仓库
[root@master helm]# helm repo add bitnami https://charts.bitnami.com/bitnami
"bitnami" has been added to your repositories

#添加微软仓库
[root@master helm]# helm repo add azure http://mirror.azure.cn/kubernetes/charts/
"azure" has been added to your repositories

#查看仓库信息
[root@master helm]# helm repo list
NAME    URL
aliyun  https://kubernetes.oss-cn-hangzhou.aliyuncs.com/charts
azure   http://mirror.azure.cn/kubernetes/charts/
bitnami https://charts.bitnami.com/bitnami

#查询某个源的包并过滤nginx的包
[root@master helm]# helm search repo aliyun | grep nginx

#删除第三方源
[root@master helm]# helm repo remove azure
[root@master helm]# helm repo list
NAME    URL
aliyun  https://kubernetes.oss-cn-hangzhou.aliyuncs.com/charts
bitnami https://charts.bitnami.com/bitnami


#查看仓库存储helm清单
[root@k8s-master helm]# helm search repo  aliyun
NAME                            CHART VERSION   APP VERSION     DESCRIPTION         #应用名称						  封装版本			软件版本          软件描述                   
aliyun/acs-engine-autoscaler    2.1.3           2.1.1           Scales worker nodes within agent pools           
aliyun/aerospike                0.1.7           v3.14.1.2       A Helm chart for Aerospike in Kubernetes 
......

3.3 helm的使用方法

1.查找chart包

#repo为从添加的第三方源中查找，hub为从官方源查找
[root@master helm]# helm search repo mysql
NAME                            CHART VERSION   APP VERSION     DESCRIPTION
aliyun/mysql                    0.3.5                           Fast, reliable, scalable, and easy to use open-...
azure/mysql                     1.6.9           5.7.30          DEPRECATED - Fast, reliable, scalable, and easy...
azure/mysqldump                 2.6.2           2.4.1           DEPRECATED! - A Helm chart to help backup MySQL...
azure/prometheus-mysql-exporter 0.7.1           v0.11.0         DEPRECATED A Helm chart for prometheus mysql ex...
bitnami/mysql                   14.0.3          9.4.0           MySQL is a fast, reliable, scalable, and easy t...
aliyun/percona                  0.3.0                           free, fully compatible, enhanced, open source d...
......

2.查看chart包信息

#查找出来后进行信息的查看
[root@master helm]# helm show chart azure/mariadb
apiVersion: v1
appVersion: 10.3.22
deprecated: true
description: DEPRECATED Fast, reliable, scalable, and easy to use open-source relational
  database system. MariaDB Server is intended for mission-critical, heavy-load production
  systems as well as for embedding into mass-deployed software. Highly available MariaDB
  cluster.
home: https://mariadb.org
icon: https://bitnami.com/assets/stacks/mariadb/img/mariadb-stack-220x234.png
keywords:
- mariadb
- mysql
- database
- sql
- prometheus
name: mariadb
sources:
- https://github.com/bitnami/bitnami-docker-mariadb
- https://github.com/prometheus/mysqld_exporter
version: 7.3.14

3 安装chart包

[root@master helm]# helm install mariadb azure/mariadb
[root@master helm]# helm list
NAME            NAMESPACE       REVISION        UPDATED                                 STATUS          CHART           APP VERSION
mariadb         default         1               2025-10-26 02:02:28.625840433 +0800 CST deployed        mariadb-7.3.14  10.3.22  

[root@master helm]# kubectl get pods
NAME                               READY   STATUS    RESTARTS   AGE
mariadb-master-0                   0/1     Pending   0          119s
mariadb-slave-0                    0/1     Pending   0          119s

#查看项目的发布状态
[root@master helm]# helm status mariadb
NAME: mariadb
LAST DEPLOYED: Sun Oct 26 02:02:28 2025
NAMESPACE: default
STATUS: deployed
REVISION: 1
NOTES:
This Helm chart is deprecated
......

#卸载项目
[root@master helm]# helm uninstall mariadb
release "mariadb" uninstalled

[root@master nginx]# kubectl get pods
No resources found in default namespace.

[root@master nginx]# helm list
NAME    NAMESPACE       REVISION        UPDATED STATUS  CHART   APP VERSION

3.4 安装项目前预定义项目选项

1.拉取要自定义的helm包

#拉取helm项目包
[root@master helm]#  helm pull bitnami/nginx
[root@master helm]# ls
nginx-18.1.11.tgz
[root@master helm]# tar zxf nginx-18.1.11.tgz
[root@master helm]# ls
nginx  nginx-18.1.11.tgz

#导入要自定义的镜像包
[root@master helm]# docker load -i nginx-1.27.1-debian-12-r2.tar
[root@master nginx]# docker tag bitnami/nginx:1.27.1-debian-12-r2 reg.fy.org/bitnami/nginx:1.27.1-debian-12-r2
[root@master nginx]# docker push reg.fy.org/bitnami/nginx:1.27.1-debian-12-r2

2.自定义helm项目包

[root@master helm]# cd nginx/
[root@master nginx]# ls
Chart.lock  charts  Chart.yaml  README.md  templates  values.schema.json  values.yaml

[root@k8s-master nginx]# vim values.yaml			#项目变量文件
  13   imageRegistry: "reg.fy.org"					#更改镜像获取仓库

3.开始安装项目

[root@master nginx]# helm install webserver /root/helm/nginx
NAME: webserver
LAST DEPLOYED: Sun Oct 26 02:53:03 2025
NAMESPACE: default
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
CHART NAME: nginx
CHART VERSION: 18.1.11
APP VERSION: 1.27.1

#安装完成后查看运行清空
[root@master nginx]# kubectl get pods
NAME                               READY   STATUS    RESTARTS   AGE
webserver-nginx-6df89bb88d-bvqvr   1/1     Running   0          61s
[root@master nginx]# kubectl get svc
NAME              TYPE           CLUSTER-IP       EXTERNAL-IP     PORT(S)                      AGE
kubernetes        ClusterIP      10.96.0.1        <none>          443/TCP                      13d
webserver-nginx   LoadBalancer   10.103.164.234   172.25.254.51   80:32076/TCP,443:30219/TCP   64s

#测试可以访问
[root@master nginx]# curl 172.25.254.51
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>

<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>

<p><em>Thank you for using nginx.</em></p>
</body>
</html>

4.更新项目与查看历史

[root@master nginx]# vim values.yaml			#更新变量文件
624   type: ClusterIP
751   enabled: true
763   hostname: www.fjwyyy.org					#要做本地解析
783   ingressClassName: "nginx"

[root@master nginx]# helm upgrade webserver .
Release "webserver" has been upgraded. Happy Helming!
NAME: webserver
LAST DEPLOYED: Sun Oct 26 02:56:54 2025
NAMESPACE: default
STATUS: deployed
REVISION: 2
TEST SUITE: None
NOTES:
CHART NAME: nginx
CHART VERSION: 18.1.11
APP VERSION: 1.27.1

#检查更新后的运行情况
#loadbalancer改为了custerip
[root@master nginx]# kubectl get svc
NAME              TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)          AGE
kubernetes        ClusterIP   10.96.0.1        <none>        443/TCP          13d
webserver-nginx   ClusterIP   10.103.164.234   <none>        80/TCP,443/TCP   9m50s

#添加了ingress-nginx
[root@master nginx]# kubectl get ingress
NAME              CLASS   HOSTS            ADDRESS         PORTS   AGE
webserver-nginx   nginx   www.fjwyyy.org   172.25.254.20   80      6m7s

#查看ingress的ip要做本地解析
[root@master nginx]# kubectl -n ingress-nginx get svc
NAME                                 TYPE           CLUSTER-IP      EXTERNAL-IP     PORT(S)                      AGE
ingress-nginx-controller             LoadBalancer   10.96.142.186   172.25.254.50   80:31430/TCP,443:32252/TCP   98m
ingress-nginx-controller-admission   ClusterIP      10.100.45.36    <none>          443/TCP                      98m

[root@master nginx]# curl www.fjwyyy.org
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>

<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>

<p><em>Thank you for using nginx.</em></p>
</body>
</html>

#查看历史
[root@master nginx]# helm history webserver
REVISION        UPDATED                         STATUS          CHART           APP VERSION     DESCRIPTION
1               Sun Oct 26 02:53:03 2025        superseded      nginx-18.1.11   1.27.1          Install complete
2               Sun Oct 26 02:56:54 2025        deployed        nginx-18.1.11   1.27.1          Upgrade complete

#删除项目
[root@master nginx]# helm uninstall webserver
release "webserver" uninstalled
[root@master nginx]# helm list
NAME    NAMESPACE       REVISION        UPDATED STATUS  CHART   APP VERSION

四构建helm中的chart包

4.1 Helm Chart目录结构

#建立chart项目
[root@master helm]# helm create fjwyyy
Creating fjwyyy

[root@master helm]# tree fjwyyy/
fjwyyy/
├── charts								#目录里存放这个chart依赖的所有子chart。
├── Chart.yaml							#用于描述这个 Chart 的基本信息，包括名字、描述信息以及版本等。	
├── templates							#目录里面存放所有 yaml 模板文件。				
│   ├── deployment.yaml
│   ├── _helpers.tpl					#放置模板助手的地方，可以在整个 chart 中重复使用
│   ├── hpa.yaml
│   ├── httproute.yaml
│   ├── ingress.yaml
│   ├── NOTES.txt
│   ├── serviceaccount.yaml
│   ├── service.yaml
│   └── tests
│       └── test-connection.yaml
└── values.yaml							#用于存储 templates 目录中模板文件中用到变量的值。

4.2 构建方法

编写chart文件

[root@master fjwyyy]# vim Chart.yaml
apiVersion: v2
name: fjwyyy
description: A Helm chart for Kubernetes
type: application
version: 0.1.0				#构建的第一个项目版本
appVersion: "v1"			#使用镜像版本


[root@master fjwyyy]# vim values.yaml
replicaCount: 2						#运行pod的数量
image:
  repository: myapp					#运行的镜像
  pullPolicy: IfNotPresent
  tag: "v1"
ingress:
  enabled: true						#使用ingress暴露端口
  className: "nginx"
  annotations: {}
    # kubernetes.io/ingress.class: nginx
    # kubernetes.io/tls-acme: "true"
  hosts:
    - host: www.fjwyyy.org
      paths:
        - path: /
          pathType: ImplementationSpecific

#语法检测
[root@master fjwyyy]# helm lint .
==> Linting .
[INFO] Chart.yaml: icon is recommended

1 chart(s) linted, 0 chart(s) failed

#运行项目
[root@master helm]# helm install myapp fjwyyy
NAME: myapp
LAST DEPLOYED: Fri Oct 24 23:31:15 2025
NAMESPACE: default
STATUS: deployed
REVISION: 1
NOTES:
1. Get the application URL by running these commands:
  http://www.fjwyyy.org/

[root@master helm]# kubectl get pods
NAME                          READY   STATUS    RESTARTS   AGE
myapp-fjwyyy-9fd96499-tvhb9   1/1     Running   0          31s
myapp-fjwyyy-9fd96499-xgx4c   1/1     Running   0          31s

#删除项目
[root@master helm]# helm uninstall myapp
release "myapp" uninstalled

项目打包并运行

#项目打包
[root@master helm]# helm package fjwyyy/
Successfully packaged chart and saved it to: /root/helm/fjwyyy-0.1.0.tgz
[root@master helm]# ls
fjwyyy  fjwyyy-0.1.0.tgz

#项目可以通过各种分享方式发方为任何人后部署即可
[root@master helm]# helm install testhelm fjwyyy-0.1.0.tgz
NAME: testhelm
LAST DEPLOYED: Fri Oct 24 23:36:47 2025
NAMESPACE: default
STATUS: deployed
REVISION: 1
NOTES:
1. Get the application URL by running these commands:
  http://www.fjwyyy.org/
[root@master helm]# kubectl get pods
NAME                               READY   STATUS    RESTARTS   AGE
testhelm-fjwyyy-86dfcf84f4-6vkm2   1/1     Running   0          5s
testhelm-fjwyyy-86dfcf84f4-pw2xr   1/1     Running   0          5s
[root@master helm]# kubectl get ingress
NAME              CLASS   HOSTS            ADDRESS   PORTS   AGE
testhelm-fjwyyy   nginx   www.fjwyyy.org             80      8s

#注意要访问域名要在本地做解析
[root@master fjwyyy]# cat /etc/hosts
......
172.25.254.50 www.fjwyyy.org

[root@master fjwyyy]# curl http://www.fjwyyy.org/
Hello MyApp | Version: v1 | <a href="hostname.html">Pod Name</a>

五构建helm仓库

可以使用harbor仓库作为helm包的仓库

v2.0+，v2.8+ 默认使用oci模式
v2.7 及更早使用ChartMuseum 模式

5.1 OCI 模式

先在harbor创建一个项目用来存储推送上来的helm包

#登录仓库
[root@master ~]# helm registry login reg.harbor.org --username admin --password yyy --ca-file /etc/docker/certs.d/reg.harbor.org/ca.crt
level=WARN msg="using --password via the CLI is insecure. Use --password-stdin"
Login Succeeded

#添加认证
[root@master ~]# cp /etc/docker/certs.d/reg.harbor.org/ca.crt  /etc/pki/ca-trust/source/anchors/
[root@master ~]# update-ca-trust

[root@master ~]# helm push  fjwyyy-1.0.0.tgz oci://reg.harbor.org/helm-charts

[root@master ~]# helm push  fjwyyy-1.0.0.tgz oci://reg.harbor.org/helm-charts

[root@master ~]# helm install fjwyyy oci://reg.harbor.org/helm-charts/fjwyyy --version 1.0.0

5.2 ChartMuseum 模式

5.2.1 先在harbor仓库构建一个公开的项目

5.2.2 安装helm-push插件

插件官方网址：https://github.com/chartmuseum/helm-push

5.2.2.1 在线安装

适用于网络情况好的情况

[root@master helm]# dnf install git -y
[root@master helm]# helm plugin install https://github.com/chartmuseum/helm-push --verify=false

5.2.2.2 离线安装

#创建helm plugin的默认存放目录
[root@k8s-master helm]# mkdir  ~/.local/share/helm/plugins/helm-push -p

#解压push插件包到指定目录
[root@master helm]# tar zxf helm-push_0.10.4_linux_amd64.tar.gz -C ~/.local/share/helm/plugins/helm-push
[root@master helm]# ls ~/.local/share/helm/plugins/helm-push
bin  LICENSE  plugin.yaml

#查看helm调用命令是否成功
[root@master helm]# helm cm-push --help
Helm plugin to push chart package to ChartMuseum

Examples:

  $ helm cm-push mychart-0.1.0.tgz chartmuseum       # push .tgz from "helm package"
  $ helm cm-push . chartmuseum                       # package and push chart directory
  $ helm cm-push . --version="1.2.3" chartmuseum     # override version in Chart.yaml
  $ helm cm-push . https://my.chart.repo.com         # push directly to chart repo URL

5.2.3 上传项目到仓库

5.2.3.1 添加仓库

[root@master helm]# helm repo  add helmrepo https://reg.fy.org/chartrepo/helmrepo

#添加仓库时报错，因为我们harbor仓库用的是加密访问
Error: looks like "https://reg.fy.org/chartrepo/helmrepo" is not a valid chart repository or cannot be reached: Get "https://reg.fy.org/chartrepo/helmrepo/index.yaml": tls: failed to verify certificate: x509: certificate signed by unknown authority

#为helm添加证书
[root@master helm]# cp /etc/docker/certs.d/reg.fy.org/ca.crt /etc/pki/ca-trust/source/anchors/

#更新本地ca认证库
[root@master helm]# update-ca-trust

#再次添加仓库
[root@master helm]# helm repo  add helmrepo https://reg.timinglee.org/chartrepo/helmrepo
"helmrepo" has been added to your repositories

[root@master mnt]# helm repo list
NAME            URL
aliyun          https://kubernetes.oss-cn-hangzhou.aliyuncs.com/charts
bitnami         https://charts.bitnami.com/bitnami
azure           http://mirror.azure.cn/kubernetes/charts/
helmrepo        https://reg.fy.org/chartrepo/helmrepo

5.2.3.2 上传本地项目

#命令执行格式
helm cm-push <项目名称> <仓库名称> -u admin -p lee

[root@master helm]# helm cm-push fjwyyy-0.1.0.tgz helmrepo -u admin -p yyy
Pushing fjwyyy-0.1.0.tgz to helmrepo...
Done.

#查看项目上传情况
[root@master helm]# helm search  repo helmrepo
No results found

#更新仓库
[root@master helm]# helm repo update helmrepo
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "helmrepo" chart repository
Update Complete. ⎈Happy Helming!⎈
#再次查看
[root@master helm]# helm search  repo helmrepo
NAME            CHART VERSION   APP VERSION     DESCRIPTION
helmrepo/fjwyyy 0.1.0           v1              A Helm chart for Kubernetes

#安装项目
[root@master helm]# helm install helmrepo helmrepo/fjwyyy
NAME: helmrepo
LAST DEPLOYED: Sun Oct 26 13:54:25 2025
NAMESPACE: default
STATUS: deployed
REVISION: 1
NOTES:
1. Get the application URL by running these commands:
  http://www.fjwyyy.org/
[root@master helm]# curl http://www.fjwyyy.org/
Hello MyApp | Version: v1 | <a href="hostname.html">Pod Name</a>

六 helm的版本迭代

6.1 重新构建新版本项目

使用‘四中构建的项目包’来进行版本迭代

#更改项目包版本
[root@master helm]# vim fjwyyy/Chart.yaml
version: 0.2.0
appVersion: "v2"	#这个改values里的tag其实是不用改的

#更改使用镜像的版本
[root@master helm]# vim fjwyyy/values.yaml
......
replicaCount: 1
image:
  repository: myapp
  pullPolicy: IfNotPresent
  tag: "v2"
......

6.2 上传项目包到仓库

#打包更新后的项目
[root@master helm]# helm package fjwyyy
Successfully packaged chart and saved it to: /root/helm/fjwyyy-0.2.0.tgz

#推送上helm仓库
[root@master helm]# helm cm-push fjwyyy-0.2.0.tgz helmrepo -u admin -p yyy
Pushing fjwyyy-0.2.0.tgz to helmrepo...
Done.

[root@master helm]# helm search repo helmrepo
NAME            CHART VERSION   APP VERSION     DESCRIPTION
helmrepo/fjwyyy 0.1.0           v1              A Helm chart for Kubernetes

[root@master helm]# helm repo update helmrepo
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "helmrepo" chart repository
Update Complete. ⎈Happy Helming!⎈

#默认只显示最新的版本
[root@master helm]# helm search repo helmrepo
NAME            CHART VERSION   APP VERSION     DESCRIPTION
helmrepo/fjwyyy 0.2.0           v2              A Helm chart for Kubernetes

#-l 列出全部的版本
[root@master helm]# helm search repo helmrepo -l
NAME            CHART VERSION   APP VERSION     DESCRIPTION
helmrepo/fjwyyy 0.2.0           v2              A Helm chart for Kubernetes
helmrepo/fjwyyy 0.1.0           v1              A Helm chart for Kubernetes

6.1 更新应用

#先运行一个未更新前的v1版本
[root@master helm]# helm install fjw fjwyyy-0.1.0.tgz
NAME: fjw
LAST DEPLOYED: Sun Oct 26 14:51:28 2025
NAMESPACE: default
STATUS: deployed
REVISION: 1
NOTES:
1. Get the application URL by running these commands:
  http://www.fjwyyy.org/
  
[root@master helm]# curl http://www.fjwyyy.org/
Hello MyApp | Version: v1 | <a href="hostname.html">Pod Name</a>

#使用上传到仓库的v2版本进行更新
[root@master helm]# helm upgrade fjw helmrepo/fjwyyy
Release "fjw" has been upgraded. Happy Helming!
NAME: fjw
LAST DEPLOYED: Sun Oct 26 14:52:32 2025
NAMESPACE: default
STATUS: deployed
REVISION: 2
NOTES:
1. Get the application URL by running these commands:
  http://www.fjwyyy.org/
  
[root@master helm]# curl http://www.fjwyyy.org/
Hello MyApp | Version: v2 | <a href="hostname.html">Pod Name</a>

显示项目版本

[root@master helm]# helm history fjw
REVISION        UPDATED                         STATUS          CHART           APP VERSION     DESCRIPTION
1               Sun Oct 26 14:51:28 2025        superseded      fjwyyy-0.1.0    v1              Install complete
2               Sun Oct 26 14:52:32 2025        deployed        fjwyyy-0.2.0    v2              Upgrade complete

应用回滚

#回滚到上一个版本
[root@master helm]# helm rollback fjw
Rollback was a success! Happy Helming!
[root@master helm]# helm history fjw
REVISION        UPDATED                         STATUS          CHART           APP VERSION     DESCRIPTION
1               Sun Oct 26 14:51:28 2025        superseded      fjwyyy-0.1.0    v1              Install complete
2               Sun Oct 26 14:52:32 2025        superseded      fjwyyy-0.2.0    v2              Upgrade complete
3               Sun Oct 26 14:56:45 2025        deployed        fjwyyy-0.1.0    v1              Rollback to 1
[root@master helm]# curl http://www.fjwyyy.org/
Hello MyApp | Version: v1 | <a href="hostname.html">Pod Name</a>


#查看项目版本后，回滚想要回去的版本号
[root@master helm]# helm rollback fjw 2
Rollback was a success! Happy Helming!
[root@master helm]# curl http://www.fjwyyy.org/
Hello MyApp | Version: v2 | <a href="hostname.html">Pod Name</a>
[root@master helm]# helm history fjw
REVISION        UPDATED                         STATUS          CHART           APP VERSION     DESCRIPTION
1               Sun Oct 26 14:51:28 2025        superseded      fjwyyy-0.1.0    v1              Install complete
2               Sun Oct 26 14:52:32 2025        superseded      fjwyyy-0.2.0    v2              Upgrade complete
3               Sun Oct 26 14:56:45 2025        superseded      fjwyyy-0.1.0    v1              Rollback to 1
4               Sun Oct 26 14:58:22 2025        deployed        fjwyyy-0.2.0    v2              Rollback to 2

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