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kubernetes中怎么安装Jenkins
本篇文章为大家展示了kubernetes中怎么安装Jenkins，内容简明扼要并且容易理解，绝对能使你眼前一亮，通过这篇文章的详细介绍希望你能有所收获。
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1、k8s部署Jenkins
1）构建Jenkins镜像，使用阿里云的构建镜像Dockerfile如下：
FROM jenkins/jenkins #这个是官方镜像，必须基于官方镜像构建，否则安装之后还是要更新，又报错
USER root
#清除了基础镜像设置的源，切换成阿里云的jessie源
RUN echo '' > /etc/apt/sources.list.d/jessie-backports.list \
&& echo "deb http://mirrors.aliyun.com/debian jessie main contrib non-free" > /etc/apt/sources.list \
&& echo "deb http://mirrors.aliyun.com/debian jessie-updates main contrib non-free" >> /etc/apt/sources.list \
&& echo "deb http://mirrors.aliyun.com/debian-security jessie/updates main contrib non-free" >> /etc/apt/sources.list
#更新源并安装缺少的包
RUN apt-get update && apt-get install -y libltdl7
ARG dockerGid=999
RUN echo "docker:x:${dockerGid}:jenkins" >> /etc/group \
USER jenkins2）部署Jenkins镜像
A、创建pv持久化存储卷，本次用的是宿主机文件系统
apiVersion: "v1" kind: "PersistentVolume" metadata: name: jenkins-0 spec: capacity: storage: "10Gi" accessModes: - "ReadWriteMany" hostPath : path: /tmp volumeName: jenkins
B、创建账户
kubectl create -f service-account.yml
# In GKE need to get RBAC permissions first with # kubectl create clusterrolebinding cluster-admin-binding --clusterrole=cluster-admin [--user=|--group= ] --- apiVersion: v1 kind: ServiceAccount metadata: name: jenkins namespace: default --- kind: Role apiVersion: rbac.authorization.k8s.io/v1beta1 metadata: name: jenkins namespace: default rules: - apiGroups: [""] resources: ["pods"] verbs: ["create","delete","get","list","patch","update","watch"] - apiGroups: [""] resources: ["pods/exec"] verbs: ["create","delete","get","list","patch","update","watch"] - apiGroups: [""] resources: ["pods/log"] verbs: ["get","list","watch"] - apiGroups: [""] resources: ["secrets"] verbs: ["get"] --- apiVersion: rbac.authorization.k8s.io/v1beta1 kind: RoleBinding metadata: name: jenkins roleRef: apiGroup: rbac.authorization.k8s.io kind: Role name: jenkins subjects: - kind: ServiceAccount name: jenkins namespace: default --- kind: ClusterRole apiVersion: rbac.authorization.k8s.io/v1beta1 metadata: name: jenkinsClusterRole namespace: default rules: - apiGroups: [""] resources: ["pods"] verbs: ["create","delete","get","list","patch","update","watch"] - apiGroups: [""] resources: ["pods/exec"] verbs: ["create","delete","get","list","patch","update","watch"] - apiGroups: [""] resources: ["pods/log"] verbs: ["get","list","watch"] - apiGroups: [""] resources: ["secrets"] verbs: ["get"] --- apiVersion: rbac.authorization.k8s.io/v1beta1 kind: RoleBinding metadata: name: jenkinsClusterRuleBinding roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: jenkinsClusterRole subjects: - kind: ServiceAccount name: jenkins namespace: default
C、创建Jenkins服务
kubectl create -f jenkins.yml
# jenkins --- apiVersion: apps/v1beta1 kind: StatefulSet metadata: name: jenkins namespace: default labels: name: jenkins spec: serviceName: jenkins replicas: 1 updateStrategy: type: RollingUpdate template: metadata: name: jenkins labels: name: jenkins spec: terminationGracePeriodSeconds: 10 serviceAccountName: jenkins imagePullSecrets: - name: registry-secret containers: - name: jenkins # image: jenkins/jenkins:lts-alpine # image: chadmoon/jenkins-docker-kubectl:latest h2kkan/jenkins-docker image: registry.cn-shanghai.aliyuncs.com/pml/jenkins:v1.0 imagePullPolicy: Always ports: - containerPort: 8080 - containerPort: 50000 resources: limits: cpu: 1 memory: 1Gi requests: cpu: 0.5 memory: 500Mi env: - name: LIMITS_MEMORY valueFrom: resourceFieldRef: resource: limits.memory divisor: 1Mi - name: JAVA_OPTS # value: -XX:+UnlockExperimentalVMOptions -XX:+UseCGroupMemoryLimitForHeap -XX:MaxRAMFraction=1 -XshowSettings:vm -Dhudson.slaves.NodeProvisioner.initialDelay=0 -Dhudson.slaves.NodeProvisioner.MARGIN=50 -Dhudson.slaves.NodeProvisioner.MARGIN0=0.85 value: -Xmx800m -XshowSettings:vm -Dhudson.slaves.NodeProvisioner.initialDelay=0 -Dhudson.slaves.NodeProvisioner.MARGIN=50 -Dhudson.slaves.NodeProvisioner.MARGIN0=0.85 volumeMounts: - name: jenkins-home mountPath: /var/jenkins_home - name: docker mountPath: /usr/bin/docker - name: docker-sock mountPath: /var/run/docker.sock securityContext: privileged: true volumes: - name: docker hostPath: path: /usr/bin/docker - name: docker-sock hostPath: path: /var/run/docker.sock volumeClaimTemplates: - metadata: name: jenkins-home # annotations: # volume.beta.kubernetes.io/storage-class: anything spec: accessModes: [ "ReadWriteOnce" ] resources: requests: storage: 1Gi --- apiVersion: v1 kind: Service metadata: name: jenkins namespace: default annotations: # ensure the client ip is propagated to avoid the invalid crumb issue (k8s <1.7) # service.beta.kubernetes.io/external-traffic: OnlyLocal spec: type: NodePort selector: name: jenkins # k8s 1.7+ externalTrafficPolicy: Local ports: - name: http port: 80 targetPort: 8080 protocol: TCP - name: agent port: 50000 protocol: TCP
2、登录并配置Jenkins
1）登录咋说呢，上图吧
找到服务端口
2）浏览器输入node的ip加上端口，诸如：http://192.168.16.131:32453，就可以了
3）装插件，kubernetes plugin
4）配凭据，一个是登录gitee的（下代码），一个是登录docker仓库的（pull/push镜像），还一个是ssh登录k8s的(deploy)
3、找个demo项目吧
看到这了，star/fork一下行不行，看提交记录就知道差点搞疯了！！！
https://gitee.com/chenqq/petclinic/
4、配下流水线
5、enjoy it!!!
如果持久化存储卷声明一直在pending，参考如下，重新设置状态：
{
"kind": "PersistentVolumeClaim",
"apiVersion": "v1",
"metadata": {
"name": "jenkins-home-jenkins-0",
"namespace": "default",
"selfLink": "/api/v1/namespaces/default/persistentvolumeclaims/jenkins-home-jenkins-0",
"uid": "e0e85f5b-b64b-11e9-acc8-000c29e92529",
"resourceVersion": "649259",
"creationTimestamp": "2019-08-04T00:07:42Z",
"labels": {
"name": "jenkins"
},
"annotations": {
"pv.kubernetes.io/bind-completed": "yes",
"pv.kubernetes.io/bound-by-controller": "yes"
},
"finalizers": [
"kubernetes.io/pvc-protection"
]
},
"spec": {
"accessModes": [
"ReadWriteOnce"
],
"resources": {
"requests": {
"storage": "1Gi"
}
},
"volumeName": "jenkins-1",
"volumeMode": "Filesystem",
"dataSource": null
},
"status": {
"phase": "Bound",
"accessModes": [
"ReadWriteOnce"
],
"capacity": {
"storage": "10Gi"
}
}
}上述内容就是kubernetes中怎么安装Jenkins，你们学到知识或技能了吗？如果还想学到更多技能或者丰富自己的知识储备，欢迎关注创新互联行业资讯频道。
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