808 lines
19 KiB
Markdown
808 lines
19 KiB
Markdown
<h1><center>利用kubernetes部署微服务项目</center></h1>
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著作：行癫 <盗版必究>
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------
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## 一：环境准备
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#### 1.kubernetes集群环境
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集群环境检查
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```shell
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[root@master ~]# kubectl get node
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NAME STATUS ROLES AGE VERSION
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master Ready control-plane,master 11d v1.23.1
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node-1 Ready <none> 11d v1.23.1
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node-2 Ready <none> 11d v1.23.1
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node-3 Ready <none> 11d v1.23.1
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```
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#### 2.harbor环境
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harbor环境检查
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220508222722564.png" alt="image-20220508222722564" style="zoom:50%;" />
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## 二：项目准备
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#### 1.项目包
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#### 2.项目端口准备
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| 服务 | 内部端口 | 外部端口 |
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| :---------------------: | :------: | -------- |
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| tensquare_eureka_server | 10086 | 30020 |
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| tensquare_zuul | 10020 | 30021 |
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| tensquare_admin_service | 9001 | 30024 |
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| tensquare_gathering | 9002 | 30022 |
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| mysql | 3306 | 30023 |
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## 三：项目部署
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#### 1.eureka部署
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application.yml文件修改
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```
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spring:
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application:
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name: EUREKA-HA
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---
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#单机配置
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server:
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port: 10086
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eureka:
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instance:
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hostname: localhost
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client:
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register-with-eureka: false
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fetch-registry: false
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service-url:
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defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
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#defaultZone: http://pod主机名称.service名称:端口/eureka/
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```
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Dockerfile创建：
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```shell
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[root@nfs-harbor jdk]# ls
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Dockerfile tensquare_eureka_server-1.0-SNAPSHOT.jar jdk-8u211-linux-x64.tar.gz
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[root@nfs-harbor jdk]# cat Dockerfile
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FROM xingdian
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MAINTAINER "xingdian" <xingdian@gmail.com>
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ADD jdk-8u211-linux-x64.tar.gz /usr/local/
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RUN mv /usr/local/jdk1.8.0_211 /usr/local/java
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ENV JAVA_HOME /usr/local/java/
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ENV PATH $PATH:$JAVA_HOME/bin
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COPY tensquare_eureka_server-1.0-SNAPSHOT.jar /usr/local
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EXPOSE 10086
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CMD java -jar /usr/local/tensquare_eureka_server-1.0-SNAPSHOT.jar
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```
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镜像构建：
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```shell
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[root@nfs-harbor jdk]# docker build -t eureka:v2022.1 .
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```
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上传到镜像仓库：
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```shell
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[root@nfs-harbor jdk]# docker tag eureka:v2022.1 10.0.0.230/xingdian/eureka:v2022.1
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[root@nfs-harbor jdk]# docker push 10.0.0.230/xingdian/eureka:v2022.1
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```
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仓库验证：
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220508224930884.png" alt="image-20220508224930884" style="zoom:50%;" />
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#### 2.tensquare_zuul部署
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Dockerfile创建：
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```shell
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[root@nfs-harbor jdk]# cat Dockerfile
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FROM xingdian
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MAINTAINER "xingdian" <xingdian@gmail.com>
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ADD jdk-8u211-linux-x64.tar.gz /usr/local/
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RUN mv /usr/local/jdk1.8.0_211 /usr/local/java
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ENV JAVA_HOME /usr/local/java/
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ENV PATH $PATH:$JAVA_HOME/bin
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COPY tensquare_zuul-1.0-SNAPSHOT.jar /usr/local
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EXPOSE 10020
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CMD java -jar /usr/local/tensquare_zuul-1.0-SNAPSHOT.jar
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```
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镜像构建：
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```shell
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[root@nfs-harbor jdk]# docker build -t zuul:v2022.1 .
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```
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镜像上传：
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```shell
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[root@nfs-harbor jdk]# docker tag zuul:v2022.1 10.0.0.230/xingdian/zuul:v2022.1
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[root@nfs-harbor jdk]# docker push 10.0.0.230/xingdian/zuul:v2022.1
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```
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仓库验证：
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220508230055752.png" alt="image-20220508230055752" style="zoom:50%;" />
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注意：
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在构建之前使用vim修改源码jar包，修改的内容如下（文件：application.yml）：
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```yml
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server:
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port: 10020 # 端口
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# 基本服务信息
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spring:
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application:
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name: tensquare-zuul # 服务ID
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# Eureka配置
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eureka:
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client:
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service-url:
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#defaultZone: http://192.168.66.103:10086/eureka,http://192.168.66.104:10086/eureka # Eureka访问地址
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#tensquare_eureka_server地址和端口(修改)
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defaultZone: http://10.0.0.220:30020/eureka
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instance:
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prefer-ip-address: true
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# 修改ribbon的超时时间
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ribbon:
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ConnectTimeout: 1500 # 连接超时时间，默认500ms
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ReadTimeout: 3000 # 请求超时时间，默认1000ms
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# 修改hystrix的熔断超时时间
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hystrix:
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command:
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default:
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execution:
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isolation:
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thread:
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timeoutInMillisecond: 2000 # 熔断超时时长，默认1000ms
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# 网关路由配置
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zuul:
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routes:
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admin:
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path: /admin/**
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serviceId: tensquare-admin-service
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gathering:
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path: /gathering/**
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serviceId: tensquare-gathering
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# jwt参数
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jwt:
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config:
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key: itcast
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ttl: 1800000
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```
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#### 3.mysql部署
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镜像获取（使用官方镜像）：
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```shell
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[root@nfs-harbor mysql]# docker pull mysql:5.7.38
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```
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镜像上传：
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```shell
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[root@nfs-harbor mysql]# docker tag mysql:5.7.38 10.0.0.230/xingdian/mysql:v1
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[root@nfs-harbor mysql]# docker push 10.0.0.230/xingdian/mysql:v1
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```
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#### 4.admin_service部署
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Dockerfile创建：
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```shell
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[root@nfs-harbor jdk]# cat Dockerfile
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FROM xingdian
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MAINTAINER "xingdian" <xingdian@gmail.com>
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ADD jdk-8u211-linux-x64.tar.gz /usr/local/
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RUN mv /usr/local/jdk1.8.0_211 /usr/local/java
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ENV JAVA_HOME /usr/local/java/
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ENV PATH $PATH:$JAVA_HOME/bin
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COPY tensquare_admin_service-1.0-SNAPSHOT.jar /usr/local
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EXPOSE 9001
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CMD java -jar /usr/local/tensquare_admin_service-1.0-SNAPSHOT.jar
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```
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镜像构建：
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```shell
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[root@nfs-harbor jdk]# docker build -t admin_service:v2022.1 .
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```
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镜像上传：
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```shell
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[root@nfs-harbor jdk]# docker tag admin_service:v2022.1 10.0.0.230/xingdian/admin_service:v2022.1
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[root@nfs-harbor jdk]# docker push 10.0.0.230/xingdian/admin_service:v2022.1
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```
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注意：
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在构建之前使用vim修改源码jar包，修改的内容如下（文件：application.yml）：
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```yml
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spring:
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application:
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name: tensquare-admin-service #指定服务名
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datasource:
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driverClassName: com.mysql.jdbc.Driver
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#数据库地址(修改)
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url: jdbc:mysql://10.0.0.220:30023/tensquare_user?characterEncoding=UTF8&useSSL=false
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#数据库账户名(修改)
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username: root
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#数据库账户密码(修改)
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password: mysql
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jpa:
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database: mysql
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show-sql: true
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#Eureka配置
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eureka:
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client:
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service-url:
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#defaultZone: http://192.168.66.103:10086/eureka,http://192.168.66.104:10086/eureka
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##tensquare_eureka_server地址和端口(修改)
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defaultZone: http://10.0.0.220:30020/eureka
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instance:
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lease-renewal-interval-in-seconds: 5 # 每隔5秒发送一次心跳
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lease-expiration-duration-in-seconds: 10 # 10秒不发送就过期
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prefer-ip-address: true
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# jwt参数
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jwt:
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config:
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key: itcast
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ttl: 1800000
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```
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#### 5.gathering部署
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Dockerfile创建：
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```shell
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[root@nfs-harbor jdk]# cat Dockerfile
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FROM xingdian
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MAINTAINER "xingdian" <xingdian@gmail.com>
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ADD jdk-8u211-linux-x64.tar.gz /usr/local/
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RUN mv /usr/local/jdk1.8.0_211 /usr/local/java
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ENV JAVA_HOME /usr/local/java/
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ENV PATH $PATH:$JAVA_HOME/bin
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COPY tensquare_gathering-1.0-SNAPSHOT.jar /usr/local
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CMD java -jar /usr/local/tensquare_gathering-1.0-SNAPSHOT.jar
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```
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镜像构建：
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```shell
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[root@nfs-harbor jdk]# docker build -t gathering:v2022.1 .
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```
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镜像上传：
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```shell
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[root@nfs-harbor jdk]# docker tag gathering:v2022.1 10.0.0.230/xingdian/gathering:v2022.1
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[root@nfs-harbor jdk]# docker push 10.0.0.230/xingdian/gathering:v2022.1
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```
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仓库验证：
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220508233621370.png" alt="image-20220508233621370" style="zoom:50%;" />
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注意：
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```yml
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server:
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port: 9002
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spring:
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application:
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name: tensquare-gathering #指定服务名
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datasource:
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driverClassName: com.mysql.jdbc.Driver
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#数据库地址(修改)
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url: jdbc:mysql://10.0.0.220:30023/tensquare_gathering?characterEncoding=UTF8&useSSL=false
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#数据库地址(修改)
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username: root
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#数据库账户密码(修改)
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password: mysql
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jpa:
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database: mysql
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show-sql: true
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#Eureka客户端配置
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eureka:
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client:
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service-url:
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#defaultZone: http://192.168.66.103:10086/eureka,http://192.168.66.104:10086/eureka
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#tensquare_eureka_server地址和端口(修改)
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defaultZone: http://10.0.0.220:30020/eureka
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instance:
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lease-renewal-interval-in-seconds: 5 # 每隔5秒发送一次心跳
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lease-expiration-duration-in-seconds: 10 # 10秒不发送就过期
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prefer-ip-address: true
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```
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## 四：kubernetes集群部署
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#### 1.所有镜像验证
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#### 2.部署eureka
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Eureka之Deployment创建：
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```shell
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[root@master xingdian]# cat Eureka.yaml
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: eureka-deployment
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labels:
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app: eureka
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: eureka
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template:
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metadata:
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labels:
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app: eureka
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spec:
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containers:
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- name: nginx
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image: 10.0.0.230/xingdian/eureka:v2022.1
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ports:
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- containerPort: 10086
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: eureka-service
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labels:
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app: eureka
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spec:
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type: NodePort
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ports:
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- port: 10086
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name: eureka
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targetPort: 10086
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nodePort: 30020
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selector:
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app: eureka
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```
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创建：
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```shell
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[root@master xingdian]# kubectl create -f Eureka.yaml
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deployment.apps/eureka-deployment created
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service/eureka-service created
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```
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验证：
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```shell
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[root@master xingdian]# kubectl get pod
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NAME READY STATUS RESTARTS AGE
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eureka-deployment-69c575d95-hx8s6 1/1 Running 0 2m20s
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[root@master xingdian]# kubectl get svc
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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eureka-service NodePort 10.107.243.240 <none> 10086:30020/TCP 2m22s
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```
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<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220508235409218.png" alt="image-20220508235409218" style="zoom:50%;" />
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#### 3.部署zuul
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zuul之Deployment创建：
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```shell
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[root@master xingdian]# cat Zuul.yaml
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: zuul-deployment
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labels:
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app: zuul
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: zuul
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template:
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metadata:
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labels:
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app: zuul
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spec:
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containers:
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- name: zuul
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image: 10.0.0.230/xingdian/zuul:v2022.1
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ports:
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- containerPort: 10020
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---
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apiVersion: v1
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kind: Service
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metadata:
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name: zuul-service
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labels:
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app: zuul
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spec:
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type: NodePort
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ports:
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- port: 10020
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name: zuul
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targetPort: 10086
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nodePort: 30021
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selector:
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app: zuul
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```
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创建：
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```shell
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[root@master xingdian]# kubectl create -f Zuul.yaml
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```
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验证：
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```shell
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[root@master xingdian]# kubectl get pod
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NAME READY STATUS RESTARTS AGE
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eureka-deployment-69c575d95-hx8s6 1/1 Running 0 7m42s
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zuul-deployment-6d76647cf9-6rmdj 1/1 Running 0 10s
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[root@master xingdian]# kubectl get svc
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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eureka-service NodePort 10.107.243.240 <none> 10086:30020/TCP 7m37s
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kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 11d
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zuul-service NodePort 10.103.35.255 <none> 10020:30021/TCP 5s
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```
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验证是否加入注册中心：
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#### 4.mysql部署
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mysql之rc和svc创建：
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```shell
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[root@master mysql]# cat mysql-svc.yaml
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apiVersion: v1
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kind: Service
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metadata:
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name: mysql-svc
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labels:
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name: mysql-svc
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spec:
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type: NodePort
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ports:
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- port: 3306
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protocol: TCP
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targetPort: 3306
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name: http
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nodePort: 30023
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selector:
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name: mysql-pod
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[root@master mysql]# cat mysql-rc.yaml
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apiVersion: v1
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kind: ReplicationController
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metadata:
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name: mysql-rc
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labels:
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name: mysql-rc
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spec:
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replicas: 1
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selector:
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name: mysql-pod
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template:
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metadata:
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labels:
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name: mysql-pod
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spec:
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containers:
|
||
- name: mysql
|
||
image: 10.0.0.230/xingdian/mysql:v1
|
||
imagePullPolicy: IfNotPresent
|
||
ports:
|
||
- containerPort: 3306
|
||
env:
|
||
- name: MYSQL_ROOT_PASSWORD
|
||
value: "mysql"
|
||
```
|
||
|
||
创建：
|
||
|
||
```shell
|
||
[root@master mysql]# kubectl create -f mysql-rc.yaml
|
||
replicationcontroller/mysql-rc created
|
||
[root@master mysql]# kubectl create -f mysql-svc.yaml
|
||
service/mysql-svc created
|
||
```
|
||
|
||
验证：
|
||
|
||
```shell
|
||
[root@master mysql]# kubectl get pod
|
||
NAME READY STATUS RESTARTS AGE
|
||
eureka-deployment-69c575d95-hx8s6 1/1 Running 0 29m
|
||
mysql-rc-sbdcl 1/1 Running 0 8m41s
|
||
zuul-deployment-6d76647cf9-gpsms 1/1 Running 0 21m
|
||
[root@master mysql]# kubectl get svc
|
||
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
|
||
eureka-service NodePort 10.107.243.240 <none> 10086:30020/TCP 29m
|
||
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 11d
|
||
mysql-svc NodePort 10.98.4.62 <none> 3306:30023/TCP 9m1s
|
||
zuul-service NodePort 10.103.35.255 <none> 10020:30021/TCP 22m
|
||
```
|
||
|
||
数据库创建：
|
||
|
||
```shell
|
||
[root@nfs-harbor ~]# mysql -u root -pmysql -h 10.0.0.220 -P 30023
|
||
Welcome to the MariaDB monitor. Commands end with ; or \g.
|
||
Your MySQL connection id is 2
|
||
Server version: 5.7.38 MySQL Community Server (GPL)
|
||
|
||
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
|
||
|
||
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
|
||
|
||
MySQL [(none)]> create database tensquare_user charset=utf8;
|
||
Query OK, 1 row affected (0.00 sec)
|
||
|
||
MySQL [(none)]> create database tensquare_gathering charset=utf8;
|
||
Query OK, 1 row affected (0.01 sec)
|
||
|
||
MySQL [(none)]> exit
|
||
Bye
|
||
```
|
||
|
||
数据导入：
|
||
|
||
```shell
|
||
[root@nfs-harbor ~]# mysql -u root -pmysql -h 10.0.0.220 -P 30023
|
||
Welcome to the MariaDB monitor. Commands end with ; or \g.
|
||
Your MySQL connection id is 3
|
||
Server version: 5.7.38 MySQL Community Server (GPL)
|
||
|
||
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
|
||
|
||
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
|
||
|
||
MySQL [(none)]> source /var/ftp/share/tensquare_user.sql
|
||
|
||
MySQL [tensquare_user]> source /var/ftp/share/tensquare_gathering.sql
|
||
|
||
MySQL [tensquare_gathering]> exit
|
||
Bye
|
||
```
|
||
|
||
验证：
|
||
|
||
```shell
|
||
[root@nfs-harbor ~]# mysql -u root -pmysql -h 10.0.0.220 -P 30023
|
||
Welcome to the MariaDB monitor. Commands end with ; or \g.
|
||
Your MySQL connection id is 3
|
||
Server version: 5.7.38 MySQL Community Server (GPL)
|
||
|
||
Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others.
|
||
|
||
Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
|
||
|
||
MySQL [(none)]> show databases;
|
||
+---------------------+
|
||
| Database |
|
||
+---------------------+
|
||
| information_schema |
|
||
| mysql |
|
||
| performance_schema |
|
||
| sys |
|
||
| tensquare_gathering |
|
||
| tensquare_user |
|
||
+---------------------+
|
||
6 rows in set (0.00 sec)
|
||
|
||
MySQL [(none)]> use tensquare_gathering
|
||
Reading table information for completion of table and column names
|
||
You can turn off this feature to get a quicker startup with -A
|
||
|
||
Database changed
|
||
MySQL [tensquare_gathering]> show tables;
|
||
+-------------------------------+
|
||
| Tables_in_tensquare_gathering |
|
||
+-------------------------------+
|
||
| tb_city |
|
||
| tb_gathering |
|
||
+-------------------------------+
|
||
2 rows in set (0.00 sec)
|
||
|
||
MySQL [tensquare_gathering]> use tensquare_user
|
||
Reading table information for completion of table and column names
|
||
You can turn off this feature to get a quicker startup with -A
|
||
|
||
Database changed
|
||
MySQL [tensquare_user]> show tables;
|
||
+--------------------------+
|
||
| Tables_in_tensquare_user |
|
||
+--------------------------+
|
||
| tb_admin |
|
||
+--------------------------+
|
||
1 row in set (0.01 sec)
|
||
```
|
||
|
||
#### 5.admin_service部署
|
||
|
||
admin_service之Deployment创建：
|
||
|
||
```shell
|
||
[root@master xingdian]# cat Admin-service.yaml
|
||
apiVersion: apps/v1
|
||
kind: Deployment
|
||
metadata:
|
||
name: admin-deployment
|
||
labels:
|
||
app: admin
|
||
spec:
|
||
replicas: 1
|
||
selector:
|
||
matchLabels:
|
||
app: admin
|
||
template:
|
||
metadata:
|
||
labels:
|
||
app: admin
|
||
spec:
|
||
containers:
|
||
- name: admin
|
||
image: 10.0.0.230/xingdian/admin_service:v2022.1
|
||
ports:
|
||
- containerPort: 9001
|
||
---
|
||
apiVersion: v1
|
||
kind: Service
|
||
metadata:
|
||
name: admin-service
|
||
labels:
|
||
app: admin
|
||
spec:
|
||
type: NodePort
|
||
ports:
|
||
- port: 9001
|
||
name: admin
|
||
targetPort: 9001
|
||
nodePort: 30024
|
||
selector:
|
||
app: admin
|
||
```
|
||
|
||
创建：
|
||
|
||
```shell
|
||
[root@master xingdian]# kubectl create -f Admin-service.yaml
|
||
deployment.apps/admin-deployment created
|
||
service/admin-service created
|
||
```
|
||
|
||
验证：
|
||
|
||
```shell
|
||
[root@master xingdian]# kubectl get pod
|
||
NAME READY STATUS RESTARTS AGE
|
||
admin-deployment-54c5664d69-l2lbc 1/1 Running 0 23s
|
||
eureka-deployment-69c575d95-mrj66 1/1 Running 0 47m
|
||
mysql-rc-zgxk4 1/1 Running 0 7m23s
|
||
zuul-deployment-6d76647cf9-gpsms 1/1 Running 0 39m
|
||
[root@master xingdian]# kubectl get svc
|
||
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
|
||
admin-service NodePort 10.101.251.47 <none> 9001:30024/TCP 6s
|
||
eureka-service NodePort 10.107.243.240 <none> 10086:30020/TCP 47m
|
||
kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 11d
|
||
mysql-svc NodePort 10.98.4.62 <none> 3306:30023/TCP 26m
|
||
zuul-service NodePort 10.103.35.255 <none> 10020:30021/TCP 39m
|
||
```
|
||
|
||
注册中心验证：
|
||
|
||
<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220509013257937.png" alt="image-20220509013257937" style="zoom:50%;" />
|
||
|
||
#### 6.gathering部署
|
||
|
||
gathering之Deployment创建：
|
||
|
||
```shell
|
||
[root@master xingdian]# cat Gathering.yaml
|
||
apiVersion: apps/v1
|
||
kind: Deployment
|
||
metadata:
|
||
name: gathering-deployment
|
||
labels:
|
||
app: gathering
|
||
spec:
|
||
replicas: 1
|
||
selector:
|
||
matchLabels:
|
||
app: gathering
|
||
template:
|
||
metadata:
|
||
labels:
|
||
app: gathering
|
||
spec:
|
||
containers:
|
||
- name: nginx
|
||
image: 10.0.0.230/xingdian/gathering:v2022.1
|
||
ports:
|
||
- containerPort: 9002
|
||
---
|
||
apiVersion: v1
|
||
kind: Service
|
||
metadata:
|
||
name: gathering-service
|
||
labels:
|
||
app: gathering
|
||
spec:
|
||
type: NodePort
|
||
ports:
|
||
- port: 9002
|
||
name: gathering
|
||
targetPort: 9002
|
||
nodePort: 30022
|
||
selector:
|
||
app: gathering
|
||
```
|
||
|
||
创建：
|
||
|
||
```shell
|
||
[root@master xingdian]# kubectl create -f Gathering.yaml
|
||
deployment.apps/gathering-deployment created
|
||
service/gathering-service created
|
||
```
|
||
|
||
验证：
|
||
|
||
```shell
|
||
[root@master xingdian]# kubectl get pod
|
||
NAME READY STATUS RESTARTS AGE
|
||
admin-deployment-54c5664d69-2tqlw 1/1 Running 0 33s
|
||
eureka-deployment-69c575d95-xzx9t 1/1 Running 0 13m
|
||
gathering-deployment-6fcdd5d5-wbsxt 1/1 Running 0 27s
|
||
mysql-rc-zgxk4 1/1 Running 0 28m
|
||
zuul-deployment-6d76647cf9-jkm7f 1/1 Running 0 12m
|
||
```
|
||
|
||
注册中心验证：
|
||
|
||
<img src="https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220509005823566.png" alt="image-20220509005823566" style="zoom:50%;" />
|
||
|
||
#### 7.浏览器测试API接口
|
||
|
||
|
||
|
||
|
||
|