Kubernetes SpringCloud持续集成 - 安装jenkins、配置模板pod（一）

古城微笑少年丶 2022-12-09 15:58 249阅读 0赞

# 1 k8s环境概述 #

192.168.38.50   master
    192.168.38.51   node1
    192.168.38.52   node2
    192.168.38.100  harbor/nfs

# 2 PV/PVC #

#创建命名空间
    kubectl create namespace jenkins-k8s

## 2.1 创建PV ##

vim jenkins-pv.yaml
     
    apiVersion: v1
    kind: PersistentVolume
    metadata:
      name: jenkins-pv
    spec:
      capacity:
        storage: 10Gi
      accessModes:
        - ReadWriteMany
      nfs:
        path: /usr/local/kubernetes/volumes/jenkins
        server: 192.168.38.100
    
    #应用
    kubectl apply -f jenkins-pv.yaml

![在这里插入图片描述][20200923010852659.png_pic_center]

## 2.2 创建PVC ##

vim jenkins-pvc.yaml
    
    kind: PersistentVolumeClaim
    apiVersion: v1
    metadata:
      name: jenkins-pvc
      namespace: jenkins-k8s
    spec:
      resources:
        requests:
          storage: 10Gi
      accessModes:
        - ReadWriteMany
    
    #应用
    kubectl apply -f jenkins-pvc.yaml

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# 3 ServiceAccount #

#创建一个sa账号
    kubectl create sa jenkins-k8s-sa -n jenkins-k8s
    #授权，kubectl create clusterrolebinding 名称、名称空间、绑定clusterrole=cluster-admin 
    kubectl create clusterrolebinding jenkins-k8s-sa-cluster -n jenkins-k8s --clusterrole=cluster-admin --serviceaccount=jenkins-k8s:jenkins-k8s-sa

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# 4 整合Jenkins #

## 4.1 下载镜像 ##

#node1、node2
    docker pull jenkins/jenkins:latest
    cnych/jenkins:jnlp6

## 4.2 jenkins-deployment.yaml ##

vim jenkins-deployment.yaml
    
    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
          volumes:
            - name: jenkins-volume
              persistentVolumeClaim:
                claimName: jenkins-pvc
    
    #应用
    kubectl apply -f jenkins-deployment.yaml
    #查看
    kubectl get pod -n jenkins-k8s
    #验证
    kubectl get pod -o wide -n jenkins-k8s
    curl 10.244.2.23:8080

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## 4.3 jenkins-svc.yaml ##

#创建
    vim jenkins-svc.yaml
    
    apiVersion: v1
    kind: Service
    metadata:
      name: jenkins-service
      namespace: jenkins-k8s
      labels:
        app: jenkins
    spec:
      selector:
        app: jenkins
      type: ClusterIP
      ports:
        - port: 8080
          name: web
          targetPort: web
        - name: agent
          port: 50000
          targetPort: agent
     
    #应用
    kubectl apply -f jenkins-svc.yaml
    #查看
    kubectl get svc -n jenkins-k8s

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## 4.4 jenkins-ingress.yaml ##

vim jenkins-ingress.yaml
    
    apiVersion: networking.k8s.io/v1beta1
    kind: Ingress
    metadata:
      name: jenkins
      namespace: jenkins-k8s
    spec:
      rules:
        - host: rosh.jenkins.com
          http:
            paths:
              - backend:
                  serviceName: jenkins-service
                  servicePort: 8080
                  
    #应用
    kubectl apply -f jenkins-ingress.yaml
    #查看
    kubectl get ingress -n jenkins-k8s

![在这里插入图片描述][20200923011151591.png_pic_center]  
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# 5 Jenkins 初始化 #

## 5.1 初始化密码 ##

#查看挂载日志,记录初始化密码，填入初始化页面
    84f98993d6594792b7e420c74934eb89

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## 5.2 初始化插件 ##

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## 5.3 初始化用户 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0MTI1OTk5_size_16_color_FFFFFF_t_70_pic_center 11]  
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# 6 中文插件 #

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# 7 配置模板pod #

Jenkins 的 kubernetes-plugin 在执行构建时会在 kubernetes 集群中自动创建一个 Pod，并在 Pod 内部创建一个名为 jnlp 的容器，该容器会连接 Jenkins 并运行 Agent 程序，形成一个 Jenkins 的 Master 和 Slave 架构，然后 Slave 会执行构建脚本进行构建。

## 7.1 安装插件 ##

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## 7.2 配置pod模板 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzM0MTI1OTk5_size_16_color_FFFFFF_t_70_pic_center 17]  
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## 7.3 测试 ##

创建pipeline项目：

node('test-rosh')  { 
    
         stage('拉取代码') { 
            echo "拉取代码完成"
        }
    
        stage('制作镜像,上传harbor'){ 
            
            echo "制作镜像 完成"
        }
    
        stage('代码审查'){ 
            echo "代码审查 完成"
        }
     
       stage('远程部署'){ 
          echo "远程部署 完成"
        }      
    }

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