!4 k8s部署，未动过原来的代码

Merge pull request !4 from ximy/feat/youlai_k8s_deploy

devops/Dockerfile

+FROM nginx:1.18.0
+MAINTAINER xtaylkss@163.com
+COPY ./devops/nginx.conf /etc/nginx/
+COPY ./dist/ /opt/nginx/html/web/
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devops/K8sJenkinsFile

+pipeline { // 直接上k8s，用k8s来管理docker
+    agent {
+        node {
+            label "nodejs"
+        }
+    }
+    parameters {
+        choice(
+          description: "你需要选择哪条分支进行构建?",
+          name: "branch_name",
+          choices: ["master", "feat/youlai_k8s_deploy"]
+        )
+    }
+    environment {
+        // 自建harbor仓库的namespace
+        docker_hub_namespace = "youlai"
+        // docker_hub_namespace = "youlaiwuhui"
+
+        web_app_name = "youlai-web-vue3"
+
+        // 自建镜像仓库地址
+        docker_hub = "k8s-harbor:30002"
+        // docker_hub = "https://registry.cn-hangzhou.aliyuncs.com"
+
+        // 在jenknis或kubesphere上面的凭证
+        docker_hub_id = "youlai-zhangjialin-myself-harbor-account"
+        // docker_hub_id = "zhangjialin-aliyun-pingzheng"
+
+        // k8s 上面的 namespace
+        k8s_namespace = "youlai-mall"
+        GIT_COMMIT_ID = sh(returnStdout: true, script: 'git rev-parse --short HEAD').trim()
+        // BUILD_NUMBER 这个变量从jenkins传递过来
+        current_build_number = "${BUILD_NUMBER}"
+        // 在k8s上面配置的id
+        KUBECONFIG_CREDENTIAL_ID = "youlai-kubeconfig"
+    }
+
+
+    stages {
+        stage ("打印相关变量") {
+            steps{
+                echo "docker_hub_namespace信息为: ${docker_hub_namespace}"
+                // 获取commit信息，用于后面打tag
+                echo "commit信息为：${env.GIT_COMMIT_ID}"
+                echo "current_build_number信息为：${env.current_build_number}"
+                script {
+                    // 本端tag名
+                    env.local_tag = "frontend:${current_build_number}_${GIT_COMMIT_ID}"
+                    // 远端tag名，必须以这种方式命令，才能push到远端
+                    env.remote_tag = "${docker_hub}/${docker_hub_namespace}/${local_tag}"
+                    echo "local_tag信息为：${env.local_tag}"
+                    echo "remote_tag信息为：${env.remote_tag}"
+                }
+            }
+        }
+        stage("checkout代码") {
+            steps {
+                //git branch: "${branch_name}", credentialsId: 'zhangjialin-youlai-mall-pingzheng', url: 'https://gitee.com/youlaitech/youlai-mall.git'
+
+                //checkout([
+                    //$class: 'GitSCM',
+                    //branches: [[name: "${branch_name}"]],
+                    //extensions: [[$class: 'CloneOption', depth: 1, noTags: false, reference: '', shallow: true]],
+                    //userRemoteConfigs: [[credentialsId: 'zhangjialin-youlai-mall-pingzheng', url: 'https://gitee.com/youlaitech/youlai-mall.git']]])
+                sh "du -h --max-depth=1"
+            }
+        }
+        stage('构建') {
+            agent none
+            steps {
+                container('nodejs') {
+                    script {
+                        sh 'yarn config set registry https://registry.npm.taobao.org'
+                        sh 'npm config set registry https://registry.npm.taobao.org'
+                        sh 'ls -al $WORKSPACE/src/components/TreeSelect'
+                        sh 'yarn install --force'
+                        sh 'yarn build:prod'
+                    }
+                }
+            }
+        }
+
+
+        stage('构建镜像') {
+            agent none
+            steps {
+                script {
+                    container('nodejs') {
+                        sh "pwd && ls -al"
+                        sh "docker build -t ${env.local_tag} -f devops/Dockerfile ."
+                        withCredentials([usernamePassword(credentialsId: "${docker_hub_id}",
+                        passwordVariable: 'DOCKER_PASSWORD', usernameVariable: 'DOCKER_USERNAME')]) {
+                            sh 'echo "$DOCKER_PASSWORD" | docker login http://k8s-harbor:30002 -u "$DOCKER_USERNAME" --password-stdin'
+                            sh "docker tag ${env.local_tag} ${env.remote_tag}"
+                            sh "docker push  ${env.remote_tag}"
+                        }
+                    }
+                }
+            }
+        }
+        stage("自动部署至k8s") {
+            agent none
+            steps {
+                container ("nodejs") {
+                    // 这种方式启k8s是官方推荐的
+                    sh 'envsubst < devops/deploy.yaml | kubectl apply -f -'
+                }
+            }
+        }
+    }
+}
\ No newline at end of file

devops/deploy.yaml

+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: ${web_app_name}
+  name: ${web_app_name}-deployment
+  namespace: ${k8s_namespace}   #一定要写名称空间
+spec:
+  progressDeadlineSeconds: 600
+  replicas: 1
+  selector:
+    matchLabels:
+      app: ${web_app_name}
+  strategy:
+    rollingUpdate:
+      maxSurge: 50%
+      maxUnavailable: 50%
+    type: RollingUpdate
+  template:
+    metadata:
+      labels:
+        app: ${web_app_name}
+    spec:
+      containers:
+        - image: $remote_tag
+          #         readinessProbe:
+          #           httpGet:
+          #             path: /actuator/health
+          #             port: 8080
+          #           timeoutSeconds: 10
+          #           failureThreshold: 30
+          #           periodSeconds: 5
+          imagePullPolicy: Always
+          name: ${web_app_name}
+          ports:
+            - containerPort: 80
+              protocol: TCP
+          resources:
+            limits:
+              cpu: 1000m
+              memory: 512Mi
+          terminationMessagePath: /dev/termination-log
+          terminationMessagePolicy: File
+      dnsPolicy: ClusterFirst
+      restartPolicy: Always
+      terminationGracePeriodSeconds: 30
+---
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: ${web_app_name}
+  name: ${web_app_name}-svc
+  namespace: ${k8s_namespace}
+spec:
+  ports:
+    - name: http
+      port: 80
+      protocol: TCP
+      targetPort: 80
+      nodePort: 32609
+  selector:
+    app: ${web_app_name}
+  sessionAffinity: None
+  type: NodePort

devops/nginx.conf

+user  nginx;
+worker_processes  1;
+
+error_log  /var/log/nginx/error.log warn;
+pid        /var/run/nginx.pid;
+
+events {
+    worker_connections  1024;
+}
+
+http {
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile        on;
+    #tcp_nopush     on;
+
+    keepalive_timeout  65;
+    #gzip  on;
+
+	server {
+		listen 80;
+		server_name localhost;   #你的serverName
+		location / {
+			root /opt/nginx/html/web;
+			index index.html;
+		}
+         # 代理转发请求至网关，prod-api标识解决跨域问题
+	    location /prod-api/ {
+            proxy_set_header X-Real-IP $remote_addr;
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            #proxy_pass http://ks.howlaisi.com:32006/;
+            proxy_pass http://youlai-gateway-svc.youlai-mall.svc.cluster.local:9999/;
+	    }
+        # 重定向错误页面到 /50x.html
+        error_page   500 502 503 504  /50x.html;
+        location = /50x.html {
+            root   /usr/share/nginx/html;
+        }
+	}
+}
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