部署jenkins

pvc配置

kind: PersistentVolumeClaim
apiVersion: v1
metadata:  name: jenkins-pvc
  namespace: jenkins-k8s
spec:  resources:    requests:      storage: 10Gi
  accessModes:    - ReadWriteMany
  storageClassName: nfs-csi

TIPS:

storageClassName: nfs-csi

采用的是nfs-csi,进行存储，需要安装 nfs-csi存储插件。

请参考《k8s-存储(pv/pvc)》这篇文档

service配置

apiVersion: v1
kind: Service
metadata:  name: jenkins-service
  namespace: jenkins-k8s
  labels:    app: jenkins
spec:  selector:    app: jenkins
  type: ClusterIP
  ports:    - port: 8090      name: web
      targetPort: web
    - name: agent
      port: 50000      targetPort: agent

deploy配置

apiVersion: apps/v1
kind: Deployment
metadata:  name: jenkins
  namespace: jenkins-k8s
spec:  replicas: 1  selector:    matchLabels:      app: jenkins
  template:    metadata:      labels:        app: jenkins
    spec:      serviceAccountName: jenkins-k8s-sa
      containers:        - name: jenkins
          image: jenkins/jenkins:latest
          imagePullPolicy: IfNotPresent
          ports:            - containerPort: 8080              name: web
              protocol: TCP
            - containerPort: 50000              name: agent
              protocol: TCP
          resources:            limits:              cpu: 1000m
              memory: 1Gi
            requests:              cpu: 500m
              memory: 500Mi
          livenessProbe:            httpGet:              port: 8080              path: /login
            initialDelaySeconds: 60            timeoutSeconds: 5            failureThreshold: 12          readinessProbe:            httpGet:              port: 8080              path: /login
            initialDelaySeconds: 60          volumeMounts:            - mountPath: /var/jenkins_home
              name: jenkins-volume
              subPath: jenkins-home
#nodeSelector:#  app: jenkins      volumes:        - name: jenkins-volume
          persistentVolumeClaim:            claimName: jenkins-pvc

ingress配置

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:  name: jk
  namespace: jenkins-k8s
spec:  ingressClassName: nginx
  rules:  - host: jk.tuling.com
    http:      paths:      - pathType: Prefix
        path: "/"        backend:          service:            name: jenkins-service
            port:              number: 8090

ingressClassName: nginx

使用的是ingress-nginx的负载均衡器，安装和使用请查看

《k8s-负载均衡流量(ingress-nginx)》文章

安装jenkins

kubectl apply -f pvc.yaml -n jenkins-k8s
// 分别安装 ingress， service ，deploy
kubectl apply -f . -n jenkins-k8s

查看结果

╰─# kubectl get pods 
NAME                       READY   STATUS    RESTARTS   AGE
curl                       1/1     Running   2          21h
jenkins-6c5f7cfd68-2njl7   1/1     Running   1          136m
╭─root@k201 ~/k8s/k8s-jenkins 
╰─#

╭─root@k201 ~/k8s/k8s-jenkins 
╰─# kubectl get ingress
NAME   CLASS   HOSTS           ADDRESS        PORTS   AGE
jk     nginx   jk.tuling.com   10.20.167.19   80      139m
╭─root@k201 ~/k8s/k8s-jenkins

╭─root@k201 ~/k8s/k8s-jenkins 
╰─# kubectl get svc
NAME              TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)              AGE
jenkins-service   ClusterIP   10.20.56.146   <none>        8090/TCP,50000/TCP   140m
╭─root@k201 ~/k8s/k8s-jenkins 
╰─#

ingress访问jenkins

查看ingress的HOST 以及 ingress-controller 的 PORT

配置 /etc/hosts, 宿主机和host进行映射

访问地址： http://jenkins.test.com:32418/

jenkins集成k8s集群

首先登录jenkins控制台，首次登录需要输入初始化密码，查看方式

查看pvc目录pvc-d61907af-7904-4b43-b90d-c141ad072883
根据查询的pvc目录，进入此目录 pvc-d61907af-7904-4b43-b90d-c141ad072883
然后进入jenkins-home/secrets下，找到initialAdminPassword文件
查看initialAdminPassword文件

╭─root@k201 /nfs-server 
╰─# cd /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883
╭─root@k201 /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883 
╰─#
╭─root@k201 /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883 
╰─#
╭─root@k201 /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883 
╰─#
╭─root@k201 /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883 
╰─# ls
jenkins-home
╭─root@k201 /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883 
╰─# cd jenkins-home 
╭─root@k201 /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883/jenkins-home 
╰─# ls
com.cloudbees.hudson.plugins.folder.config.AbstractFolderConfiguration.xml  jenkins.install.InstallUtil.lastExecVersion                              org.jenkinsci.plugins.github_branch_source.GitHubConfiguration.xml
config.xml                                                                  jenkins.install.UpgradeWizard.state                                      org.jenkinsci.plugins.workflow.flow.FlowExecutionList.xml
copy_reference_file.log                                                     jenkins.metrics.api.MetricsAccessKey.xml                                 org.jenkinsci.plugins.workflow.flow.GlobalDefaultFlowDurabilityLevel.xml      
github-plugin-configuration.xml                                             jenkins.model.ArtifactManagerConfiguration.xml                           org.jenkinsci.plugins.workflow.libs.GlobalLibraries.xml
hudson.model.UpdateCenter.xml                                               jenkins.model.GlobalBuildDiscarderConfiguration.xml                      plugins
hudson.plugins.build_timeout.global.GlobalTimeOutConfiguration.xml          jenkins.model.JenkinsLocationConfiguration.xml                           queue.xml
hudson.plugins.build_timeout.operations.BuildStepOperation.xml              jenkins.security.apitoken.ApiTokenPropertyConfiguration.xml              queue.xml.bak
hudson.plugins.emailext.ExtendedEmailPublisher.xml                          jenkins.security.QueueItemAuthenticatorConfiguration.xml                 scriptApproval.xml
hudson.plugins.git.GitSCM.xml                                               jenkins.security.ResourceDomainConfiguration.xml                         secret.key
hudson.plugins.git.GitTool.xml                                              jenkins.security.UpdateSiteWarningsConfiguration.xml                     secret.key.not-so-secret
hudson.plugins.timestamper.TimestamperConfig.xml                            jenkins.tasks.filters.EnvVarsFilterGlobalConfiguration.xml               secrets
hudson.tasks.Mailer.xml                                                     jenkins.telemetry.Correlator.xml                                         updates
hudson.tasks.Shell.xml                                                      jobs                                                                     userContent
hudson.triggers.SCMTrigger.xml                                              logs                                                                     users
identity.key.enc                                                            nodeMonitors.xml                                                         war
io.jenkins.plugins.junit.storage.JunitTestResultStorageConfiguration.xml    nodes
jenkins.fingerprints.GlobalFingerprintConfiguration.xml                     org.jenkinsci.plugins.gitclient.GitHostKeyVerificationConfiguration.xml
╭─root@k201 /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883/jenkins-home 
╰─# cd secrets     
╭─root@k201 /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883/jenkins-home/secrets 
╰─# ls
hudson.console.ConsoleNote.MAC  jenkins.model.Jenkins.crumbSalt                                    org.jenkinsci.plugins.workflow.log.ConsoleAnnotators.consoleAnnotator
hudson.model.Job.serverCookie   jenkins.slaves.JnlpSlaveAgentProtocol.secret                       org.springframework.security.web.authentication.rememberme.TokenBasedRememberMeServices.mac
hudson.util.Secret              master.key
initialAdminPassword            org.jenkinsci.main.modules.instance_identity.InstanceIdentity.KEY
╭─root@k201 /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883/jenkins-home/secrets 
╰─# more initialAdminPassword 
1438047756bd41f69de930d5321c52f1
╭─root@k201 /nfs-server/pvc-d61907af-7904-4b43-b90d-c141ad072883/jenkins-home/secrets 
╰─#

集成k8s插件

进入jenkins控制台之后，集成k8s插件，在插件管理，搜索kubernetes插件并安装

配置k8s云

进入 Dashboard -> 系统管理 -> 节点列表

名称：kubernetes

是在default空间下的service 名称

如图所示进行查看

kubernetes地址：https://kubernetes.default

此地址就是：kubernetes 服务名称 + 命名空间

Kubernetes 服务证书 key

查看/root/.kube/config文件中的certificate-authority-data，生成ca.crt文件

并查看ca.crt内容。

echo 'certificate-authority-data:值' | base64 -d > ca.crt

Kubernetes 服务证书 key，就是上面的输出的内容。

Kubernetes 命名空间，定义部署pod的命名空间

凭证 -> 添加

需要生成证书client.pfx文件

根据上面标注红色的key对应的值，生成不同文件。

创建一个job验证pipline

在主页，新建任务，test_slave

在任务的配置界面，配置流水线。输入一下内容

pipeline {  agent {    kubernetes {      yaml """apiVersion: v1
kind: Pod
metadata:  labels:    agent: test
spec:  containers:  - name: jnlp
    image: jenkins/jnlp-slave:4.13.2-1-jdk11
    imagePullPolicy: IfNotPresent
    tty: true"""}}  stages {    stage('Run maven') {      steps {        container('jnlp') {          sh 'java -version'}}}}}

这里的agent，是 jenkins/jnlp-slave:4.13.2-1-jdk11，这是镜像是jenkins官方提供的slave，基于这个镜像，定义stages，并在当前容器，实行sh

TIPS

jenkins/jnlp-slave:4.13.2-1-jdk11这个镜像的jdk需要11，由于 jenkins-service的的jdk是11，所以 jnlp-slave镜像的jdk需要是11，两种需要保持一致。

否则， k8s在调度jnlp-slave时，因jdk版本不一致，会报一下错误：

INFO: Connected
Aug 31, 2022 3:20:59 AM hudson.remoting.UserRequest perform
WARNING: LinkageError while performing UserRequest:hudson.slaves.SlaveComputer$SlaveVersion@2fd6ba1e
java.lang.UnsupportedClassVersionError: Failed to load hudson.slaves.SlaveComputer$SlaveVersion
        at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:416)
        at hudson.remoting.RemoteClassLoader.loadRemoteClass(RemoteClassLoader.java:256)
        at hudson.remoting.RemoteClassLoader.loadWithMultiClassLoader(RemoteClassLoader.java:225)
        at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:184)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:348)
        at hudson.remoting.MultiClassLoaderSerializer$Input.resolveClass(MultiClassLoaderSerializer.java:132)
        at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1986)
        at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1850)
        at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2160)
        at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1667)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:503)
        at java.io.ObjectInputStream.readObject(ObjectInputStream.java:461)
        at hudson.remoting.UserRequest.deserialize(UserRequest.java:289)
        at hudson.remoting.UserRequest.perform(UserRequest.java:189)
        at hudson.remoting.UserRequest.perform(UserRequest.java:54)
        at hudson.remoting.Request$2.run(Request.java:376)
        at hudson.remoting.InterceptingExecutorService.lambda$wrap$0(InterceptingExecutorService.java:78)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:119)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.UnsupportedClassVersionError: hudson/slaves/SlaveComputer$SlaveVersion has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
        at java.lang.ClassLoader.defineClass(ClassLoader.java:635)
        at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:414)
        ... 24 more
Aug 31, 2022 3:20:59 AM hudson.remoting.jnlp.Main$CuiListener status
INFO: Terminated

运行pipline

查看运行结果：

输出内容：

Started by user admin
[Pipeline] Start of Pipeline
[Pipeline] podTemplate
[Pipeline]{[Pipeline] node
Created Pod: kubernetes jenkins-k8s/test-slave-12-9v372-2tldh-9b0pm
Still waiting to schedule task
‘test-slave-12-9v372-2tldh-9b0pm’ is offline
Agent test-slave-12-9v372-2tldh-9b0pm is provisioned from template test_slave_12-9v372-2tldh
---apiVersion: "v1"kind: "Pod"metadata:  annotations:    buildUrl: "http://jenkins-service.jenkins-k8s.svc.cluster.local:8090/job/test_slave/12/"    runUrl: "job/test_slave/12/"  labels:    agent: "test"    jenkins: "slave"    jenkins/label-digest: "0e894596e8cbf0d5fa778a3e3ac32279186d4e0d"    jenkins/label: "test_slave_12-9v372"  name: "test-slave-12-9v372-2tldh-9b0pm"  namespace: "jenkins-k8s"spec:  containers:  - env:    - name: "JENKINS_SECRET"      value: "********"    - name: "JENKINS_TUNNEL"      value: "jenkins-service.jenkins-k8s.svc.cluster.local:50000"    - name: "JENKINS_AGENT_NAME"      value: "test-slave-12-9v372-2tldh-9b0pm"    - name: "JENKINS_NAME"      value: "test-slave-12-9v372-2tldh-9b0pm"    - name: "JENKINS_AGENT_WORKDIR"      value: "/home/jenkins/agent"    - name: "JENKINS_URL"      value: "http://jenkins-service.jenkins-k8s.svc.cluster.local:8090/"    image: "jenkins/jnlp-slave:4.13.2-1-jdk11"    imagePullPolicy: "IfNotPresent"    name: "jnlp"    resources:      limits: {}      requests:        memory: "256Mi"        cpu: "100m"    tty: true    volumeMounts:    - mountPath: "/home/jenkins/agent"      name: "workspace-volume"      readOnly: false  nodeSelector:    kubernetes.io/os: "linux"  restartPolicy: "Never"  volumes:  - emptyDir:      medium: ""    name: "workspace-volume"Running on test-slave-12-9v372-2tldh-9b0pm in /home/jenkins/agent/workspace/test_slave
[Pipeline]{[Pipeline] stage
[Pipeline]{ (Run maven)
[Pipeline] container
[Pipeline]{[Pipeline] sh
+ java -version
openjdk version "11.0.11" 2021-04-20
OpenJDK Runtime Environment AdoptOpenJDK-11.0.11+9 (build 11.0.11+9)
OpenJDK 64-Bit Server VM AdoptOpenJDK-11.0.11+9 (build 11.0.11+9, mixed mode)
[Pipeline]}[Pipeline] // container
[Pipeline]}[Pipeline] // stage
[Pipeline]}[Pipeline] // node
[Pipeline]}[Pipeline] // podTemplate
[Pipeline] End of Pipeline
Finished: SUCCESS

k8s-部署jenkins

部署jenkins

pvc配置

service配置

deploy配置

ingress配置

安装jenkins

查看结果

ingress访问jenkins

jenkins集成k8s集群

集成k8s插件

配置k8s云

创建一个job验证pipline

运行pipline

热门文章

最新文章

相关课程

相关电子书

推荐镜像

探索云世界

热门

云计算

大数据

云原生

人工智能

数据库

开发与运维

活动广场

任务中心

训练营

直播

乘风者计划

下载

镜像站

技术资料

k8s-部署jenkins

部署jenkins

pvc配置

service配置

deploy配置

ingress配置

安装jenkins

查看结果

ingress访问jenkins

jenkins集成k8s集群

集成k8s插件

配置k8s云

创建一个job验证pipline

运行pipline

热门文章

最新文章

相关课程

相关电子书

推荐镜像