Helm 应用管理部署

本文主要是介绍Helm 应用管理部署，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

Kubernetes 包管理器

简介：

官网

https://helm.sh/zh/docs
https://www.qikqiak.com/k8strain2/helm
https://github.com/helm/helm/releases

应用中心

https://artifacthub.io

helm ui管理

https://kubeapps.com

二进制部署
https://helm.sh/zh/docs/intro/quickstart
https://github.com/helm/helm/releases

wget https://get.helm.sh/helm-v3.6.0-linux-amd64.tar.gz
tar xf helm-v3.6.0-linux-amd64.tar.gz
mv linux-amd64/helm /usr/local/bin/

本地脚本直接部署

curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3
chmod 700 get_helm.sh
./get_helm.sh

直接运行安装

curl https://raw.githubusercontent.com/helm/helm/master/scripts/get-helm-3 | bash

命令行自动补全

1、临时生效

source <(helm completion bash)

2、写配置文件

echo "source <(helm completion bash)" >>  ~/.bash_profile 

3、bash-completion添加配置

helm completion bash > /usr/share/bash-completion/completions/helm

4、添加helm仓库

helm repo add bitnami https://charts.bitnami.com/bitnami

5、查看所有仓库

[root@master ~]# helm repo list
WARNING: Kubernetes configuration file is group-readable. This is insecure. Location: /root/.kube/config
WARNING: Kubernetes configuration file is world-readable. This is insecure. Location: /root/.kube/config
NAME            URL
rancher-latest  https://releases.rancher.com/server-charts/latest
jetstack        https://charts.jetstack.io
bitnami         https://charts.bitnami.com/bitnami

6、更新仓库

[root@master ~]# helm repo update
WARNING: Kubernetes configuration file is group-readable. This is insecure. Location: /root/.kube/config
WARNING: Kubernetes configuration file is world-readable. This is insecure. Location: /root/.kube/config
Hang tight while we grab the latest from your chart repositories...
...Successfully got an update from the "jetstack" chart repository
...Successfully got an update from the "rancher-latest" chart repository
...Successfully got an update from the "bitnami" chart repository
Update Complete. ⎈Happy Helming!⎈
[root@master ~]#

7、查询

[root@master ~]# helm search repo stable/mysql
WARNING: Kubernetes configuration file is group-readable. This is insecure. Location: /root/.kube/config
WARNING: Kubernetes configuration file is world-readable. This is insecure. Location: /root/.kube/config
NAME                    CHART VERSION   APP VERSION     DESCRIPTION
stable/mysql            1.6.8           5.7.30          Fast, reliable, scalable, and easy to use open-...
stable/mysqldump        2.6.2           2.4.1           DEPRECATED! - A Helm chart to help backup MySQL...
[root@master ~]#
[root@master ~]# helm search repo stable/mysql -l
WARNING: Kubernetes configuration file is group-readable. This is insecure. Location: /root/.kube/config
WARNING: Kubernetes configuration file is world-readable. This is insecure. Location: /root/.kube/config
NAME                    CHART VERSION   APP VERSION     DESCRIPTION
stable/mysql            1.6.8           5.7.30          Fast, reliable, scalable, and easy to use open-...
stable/mysql            1.6.7           5.7.30          Fast, reliable, scalable, and easy to use open-...
stable/mysql            1.6.6           5.7.30          Fast, reliable, scalable, and easy to use open-...
stable/mysql            1.6.5           5.7.30          Fast, reliable, scalable, and easy to use open-...
stable/mysql            1.6.4           5.7.30          Fast, reliable, scalable, and easy to use open-...
stable/mysql            1.6.3           5.7.28          Fast, reliable, scalable, and easy to use open-...
stable/mysql            1.6.2           5.7.28          Fast, reliable, scalable, and easy to use open-...
stable/mysql            1.6.1           5.7.27          Fast, reliable, scalable, and easy to use open-...
stable/mysql            1.6.0           5.7.27          Fast, reliable, scalable, and easy to use open-...

8、helm chart包结构

[root@master ~]# helm create test
WARNING: Kubernetes configuration file is group-readable. This is insecure. Location: /root/.kube/config
WARNING: Kubernetes configuration file is world-readable. This is insecure. Location: /root/.kube/config
[root@master ~]# cd test/
[root@master test]#
[root@master test]# ls -l
total 8
drwxr-xr-x 1 root root  512 May 29 10:09 charts
-rw-r--r-- 1 root root 1140 May 29 10:09 Chart.yaml
drwxr-xr-x 1 root root  512 May 29 10:09 templates
-rw-r--r-- 1 root root 1871 May 29 10:09 values.yaml

9、helm插件安装

[root@master ~]# helm plugin install https://github.com/chartmuseum/helm-push
WARNING: Kubernetes configuration file is group-readable. This is insecure. Location: /root/.kube/config
WARNING: Kubernetes configuration file is world-readable. This is insecure. Location: /root/.kube/config
Downloading and installing helm-push v0.9.0 ...
https://github.com/chartmuseum/helm-push/releases/download/v0.9.0/helm-push_0.9.0_linux_amd64.tar.gz
Installed plugin: push
[root@master ~]# helm plugin list
WARNING: Kubernetes configuration file is group-readable. This is insecure. Location: /root/.kube/config
WARNING: Kubernetes configuration file is world-readable. This is insecure. Location: /root/.kube/config
NAME    VERSION DESCRIPTION
push    0.9.0   Push chart package to ChartMuseum
[root@master ~]#

10、Helm使用时关于kubernetes文件的警告

[root@master kafka]# helm ls
WARNING: Kubernetes configuration file is group-readable. This is insecure. Location: /root/.kube/config
WARNING: Kubernetes configuration file is world-readable. This is insecure. Location: /root/.kube/config
NAME    NAMESPACE       REVISION        UPDATED STATUS  CHART   APP VERSION
[root@master kafka]# ls -l /root/.kube/config
-rwxrwxrwx 1 root root 5399 Aug  2 15:25 /root/.kube/config
[root@master kafka]# chmod g-rw ~/.kube/config
[root@master kafka]# chmod o-r ~/.kube/config
[root@master kafka]# helm ls
NAME    NAMESPACE       REVISION        UPDATED STATUS  CHART   APP VERSION
[root@master kafka]#

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