本文的部署实践过程参考了云栖文章 如何在阿里云容器服务上搭建Jenkins X并记录了更详细的过程及日志输出。
下面我们开始介绍如何在阿里云容器服务Kubernetes上快速安装部署Jenkins X。
1. 首先，需要在 阿里云容器服务控制台 创建一个Kubernetes集群，本次实践使用的环境信息如下：
master1 192.168.0.134
master2 192.168.0.135
master3 192.168.0.136
worker1 192.168.0.137
2. 登录worker1节点（也可以使用集群外的任意ecs环境）并初始化helm client
# mkdir $HOME/.kube
# scp root@192.168.0.134:/etc/kubernetes/kube.conf $HOME/.kube/config
root@192.168.0.134's password:
kube.conf 100% 5472 8.4MB/s 00:00
# scp root@192.168.0.134:/usr/local/bin/helm /usr/local/bin/helm
root@192.168.0.134's password:
helm 100% 29MB 104.0MB/s 00:00
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# helm init --client-only
Creating /root/.helm
Creating /root/.helm/repository
Creating /root/.helm/repository/cache
Creating /root/.helm/repository/local
Creating /root/.helm/plugins
Creating /root/.helm/starters
Creating /root/.helm/cache/archive
Creating /root/.helm/repository/repositories.yaml
Adding stable repo with URL: https://kubernetes-charts.storage.googleapis.com
Adding local repo with URL: http://127.0.0.1:8879/charts
$HELM_HOME has been configured at /root/.helm.
Not installing Tiller due to 'client-only' flag having been set
Happy Helming!
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3. 安装 git。
yum install git -y
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4. 安装jx客户端
# curl -L https://github.com/jenkins-x/jx/releases/download/v1.3.464/jx-linux-amd64.tar.gz | tar xzv
# mv jx /usr/local/bin
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# jx version
Using helmBinary helm with feature flag: none
NAME VERSION
jx 1.3.464
Kubernetes cluster v1.11.2
kubectl v1.11.2
helm client v2.9.1+g20adb27
helm server v2.9.1+g20adb27
git git version 1.8.3.1
A new jx version is available: 1.3.470
? Would you like to upgrade to the new jx version? No
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5. 下载 cloud-environments 云环境配置文件
# mkdir -p ~/.jx
# cd ~/.jx
# git clone https://github.com/haoshuwei/cloud-environments.git
正克隆到 'cloud-environments'...
remote: Enumerating objects: 526, done.
remote: Total 526 (delta 0), reused 0 (delta 0), pack-reused 526
接收对象中: 100% (526/526), 229.61 KiB | 261.00 KiB/s, done.
处理 delta 中: 100% (263/263), done.
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6. 安装jenkins-x-platform到Kubernetes集群
# jx install --provider=kubernetes --domain aliyunk8s.com
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访问日志中提示的GitHub URL 并生成API Token:
https://github.com/settings/tokens/new?scopes=repo,read:user,read:org,user:email,write:repo_hook,delete_repo
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新打开一个终端窗口查看jenkins-x-platform各个组件的安装情况：
# kubectl get ing -n jx
NAME HOSTS ADDRESS PORTS AGE
chartmuseum chartmuseum.jx.aliyunk8s.com xx.xx.xxx.xxx 80 49s
docker-registry docker-registry.jx.aliyunk8s.com xx.xx.xxx.xxx 80 49s
jenkins jenkins.jx.aliyunk8s.com xx.xx.xxx.xxx 80 48s
monocular monocular.jx.aliyunk8s.com xx.xx.xxx.xxx 80 49s
nexus nexus.jx.aliyunk8s.com xx.xx.xxx.xxx 80 49s
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绑定hosts:
# cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
xx.xx.xxx.xxx chartmuseum.jx.aliyunk8s.com
xx.xx.xxx.xxx docker-registry.jx.aliyunk8s.com
xx.xx.xxx.xxx jenkins.jx.aliyunk8s.com
xx.xx.xxx.xxx monocular.jx.aliyunk8s.com
xx.xx.xxx.xxx nexus.jx.aliyunk8s.com
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查看jenkins-x-platform组件的安装情况：
[root@iZj6cbxzol17fruawjffz1Z ~]# kubectl get pod -n jx
NAME READY STATUS RESTARTS AGE
jenkins-67d7cc5fcd-x6686 1/1 Running 0 8m
jenkins-x-chartmuseum-84b895f4c5-d2dgc 1/1 Running 0 8m
jenkins-x-docker-registry-6b6f6d67b6-kn9ml 1/1 Running 0 8m
jenkins-x-heapster-65fd697bb-4czvz 2/2 Running 0 8m
jenkins-x-mongodb-784f66c466-zz429 0/1 Pending 0 8m
jenkins-x-monocular-api-58796c57c9-xk8rs 0/1 CrashLoopBackOff 5 8m
jenkins-x-monocular-prerender-5848c74fdc-48ppm 1/1 Running 0 8m
jenkins-x-monocular-ui-c4467bdc5-ttbr6 1/1 Running 0 8m
jenkins-x-nexus-b7454965d-nvlqb 1/1 Running 0 8m
pipelinecontroller-6b5b8d9f47-457xx 1/1 Running 0 8m
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发现jenkins-x-mongodb和jenkins-x-monocular-api组件启动异常，这是因为jenkins-x-monocular-api依赖jenkins-x-mongodb， 而jenkins-x-mongodb在创建pvc资源时找不到default storage class而导致的；编辑mongodb-pvc.yaml创建新pvc：
# cat mongodb-pvc.yaml
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
name: jenkins-x-mongodb
namespace: jx
spec:
accessModes:
- ReadWriteOnce
storageClassName: alicloud-disk-available
resources:
requests:
storage: 20Gi
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# kubectl get pvc -n jx
NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE
jenkins Bound d-j6c8mnao06oovpk0vy4h 30Gi RWO alicloud-disk-available 18m
jenkins-x-chartmuseum Bound d-j6c9szfy8smf4ak05hm9 20Gi RWO alicloud-disk-available 18m
jenkins-x-docker-registry Bound d-j6cc913ulnzfa7drkru9 100Gi RWO alicloud-disk-available 18m
jenkins-x-mongodb Pending 18m
jenkins-x-nexus Bound d-j6cfrymuj8lrj2pvz3v0 20Gi RWO alicloud-disk-available 18m
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# kubectl delete pvc jenkins-x-mongodb -n jx
persistentvolumeclaim "jenkins-x-mongodb" deleted
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# kubectl create -f mongodb-pvc.yaml
persistentvolumeclaim/jenkins-x-mongodb created
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# kubectl delete pods jenkins-x-mongodb-784f66c466-zz429 -n jx
pod "jenkins-x-mongodb-784f66c466-zz429" deleted
# kubectl delete pods jenkins-x-monocular-api-58796c57c9-xk8rs -n jx
pod "jenkins-x-monocular-api-58796c57c9-xk8rs" deleted
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全部组件运行正常后可以看到jenkins-x-platform的安装进程进入下一步jenkins CLI API Token的配置：
根据提示获取token填入后， 安装部署完成：
7. 查看ingress暴露出来的服务url
# jx get urls
Name URL
jenkins http://jenkins.jx.aliyunk8s.com
jenkins-x-chartmuseum http://chartmuseum.jx.aliyunk8s.com
jenkins-x-docker-registry http://docker-registry.jx.aliyunk8s.com
jenkins-x-monocular-api http://monocular.jx.aliyunk8s.com
jenkins-x-monocular-ui http://monocular.jx.aliyunk8s.com
nexus http://nexus.jx.aliyunk8s.com
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访问http://jenkins.jx.aliyunk8s.com：
访问http://monocular.jx.aliyunk8s.com：
访问http://nexus.jx.aliyunk8s.com：
docker-registry服务的访问有问题（暂时未花过多时间调试）， 但我们会在下一篇阿里云容器服务Kubernetes之Jenkins X（2）-自动化CICD实践篇中演示如何让jenkins x使用阿里云容器镜像服务来管理容器镜像；阿里云容器服务Kubernetes之Jenkins X（2）-自动化CICD实践篇 中也会使用jenkins x创建一个spring应用并演示如何使用GitOps的理念管理和发布一个云原生应用。
