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-
利用kubernetes部署微服务项目
-
-著作:行癫 <盗版必究>
-
-------
-
-## 一:环境准备
-
-#### 1.kubernetes集群环境
-
-集群环境检查
-
-```shell
-[root@master ~]# kubectl get node
-NAME STATUS ROLES AGE VERSION
-master Ready control-plane,master 11d v1.23.1
-node-1 Ready 11d v1.23.1
-node-2 Ready 11d v1.23.1
-node-3 Ready 11d v1.23.1
-```
-
-#### 2.harbor环境
-
-harbor环境检查
-
-
-
-## 二:项目准备
-
-#### 1.项目包
-
-
-
-#### 2.项目端口准备
-
-| 服务 | 内部端口 | 外部端口 |
-| :---------------------: | :------: | -------- |
-| tensquare_eureka_server | 10086 | 30020 |
-| tensquare_zuul | 10020 | 30021 |
-| tensquare_admin_service | 9001 | 30024 |
-| tensquare_gathering | 9002 | 30022 |
-| mysql | 3306 | 30023 |
-
-
-
-## 三:项目部署
-
-#### 1.eureka部署
-
-application.yml文件修改
-
-```
-spring:
- application:
- name: EUREKA-HA
-
----
-#单机配置
-server:
- port: 10086
-
-eureka:
- instance:
- hostname: localhost
- client:
- register-with-eureka: false
- fetch-registry: false
- service-url:
- defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/
- #defaultZone: http://pod主机名称.service名称:端口/eureka/
-```
-
-Dockerfile创建:
-
-```shell
-[root@nfs-harbor jdk]# ls
-Dockerfile tensquare_eureka_server-1.0-SNAPSHOT.jar jdk-8u211-linux-x64.tar.gz
-[root@nfs-harbor jdk]# cat Dockerfile
-FROM xingdian
-MAINTAINER "xingdian"
-ADD jdk-8u211-linux-x64.tar.gz /usr/local/
-RUN mv /usr/local/jdk1.8.0_211 /usr/local/java
-ENV JAVA_HOME /usr/local/java/
-ENV PATH $PATH:$JAVA_HOME/bin
-COPY tensquare_eureka_server-1.0-SNAPSHOT.jar /usr/local
-EXPOSE 10086
-CMD java -jar /usr/local/tensquare_eureka_server-1.0-SNAPSHOT.jar
-```
-
-镜像构建:
-
-```shell
-[root@nfs-harbor jdk]# docker build -t eureka:v2022.1 .
-```
-
-上传到镜像仓库:
-
-```shell
-[root@nfs-harbor jdk]# docker tag eureka:v2022.1 10.0.0.230/xingdian/eureka:v2022.1
-[root@nfs-harbor jdk]# docker push 10.0.0.230/xingdian/eureka:v2022.1
-```
-
-仓库验证:
-
-
-
-#### 2.tensquare_zuul部署
-
-Dockerfile创建:
-
-```shell
-[root@nfs-harbor jdk]# cat Dockerfile
-FROM xingdian
-MAINTAINER "xingdian"
-ADD jdk-8u211-linux-x64.tar.gz /usr/local/
-RUN mv /usr/local/jdk1.8.0_211 /usr/local/java
-ENV JAVA_HOME /usr/local/java/
-ENV PATH $PATH:$JAVA_HOME/bin
-COPY tensquare_zuul-1.0-SNAPSHOT.jar /usr/local
-EXPOSE 10020
-CMD java -jar /usr/local/tensquare_zuul-1.0-SNAPSHOT.jar
-```
-
-镜像构建:
-
-```shell
-[root@nfs-harbor jdk]# docker build -t zuul:v2022.1 .
-```
-
-镜像上传:
-
-```shell
-[root@nfs-harbor jdk]# docker tag zuul:v2022.1 10.0.0.230/xingdian/zuul:v2022.1
-[root@nfs-harbor jdk]# docker push 10.0.0.230/xingdian/zuul:v2022.1
-```
-
-仓库验证:
-
-
-
-注意:
-
- 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):
-
-```yml
-server:
- port: 10020 # 端口
-
-# 基本服务信息
-spring:
- application:
- name: tensquare-zuul # 服务ID
-
-# Eureka配置
-eureka:
- client:
- service-url:
- #defaultZone: http://192.168.66.103:10086/eureka,http://192.168.66.104:10086/eureka # Eureka访问地址
- #tensquare_eureka_server地址和端口(修改)
- defaultZone: http://10.0.0.220:30020/eureka
- instance:
- prefer-ip-address: true
-
-# 修改ribbon的超时时间
-ribbon:
- ConnectTimeout: 1500 # 连接超时时间,默认500ms
- ReadTimeout: 3000 # 请求超时时间,默认1000ms
-
-
-# 修改hystrix的熔断超时时间
-hystrix:
- command:
- default:
- execution:
- isolation:
- thread:
- timeoutInMillisecond: 2000 # 熔断超时时长,默认1000ms
-
-
-# 网关路由配置
-zuul:
- routes:
- admin:
- path: /admin/**
- serviceId: tensquare-admin-service
- gathering:
- path: /gathering/**
- serviceId: tensquare-gathering
-
- # jwt参数
-jwt:
- config:
- key: itcast
- ttl: 1800000
-```
-
-#### 3.mysql部署
-
-镜像获取(使用官方镜像):
-
-```shell
-[root@nfs-harbor mysql]# docker pull mysql:5.7.38
-```
-
-镜像上传:
-
-```shell
-[root@nfs-harbor mysql]# docker tag mysql:5.7.38 10.0.0.230/xingdian/mysql:v1
-[root@nfs-harbor mysql]# docker push 10.0.0.230/xingdian/mysql:v1
-```
-
-#### 4.admin_service部署
-
-Dockerfile创建:
-
-```shell
-[root@nfs-harbor jdk]# cat Dockerfile
-FROM xingdian
-MAINTAINER "xingdian"
-ADD jdk-8u211-linux-x64.tar.gz /usr/local/
-RUN mv /usr/local/jdk1.8.0_211 /usr/local/java
-ENV JAVA_HOME /usr/local/java/
-ENV PATH $PATH:$JAVA_HOME/bin
-COPY tensquare_admin_service-1.0-SNAPSHOT.jar /usr/local
-EXPOSE 9001
-CMD java -jar /usr/local/tensquare_admin_service-1.0-SNAPSHOT.jar
-```
-
-镜像构建:
-
-```shell
-[root@nfs-harbor jdk]# docker build -t admin_service:v2022.1 .
-```
-
-镜像上传:
-
-```shell
-[root@nfs-harbor jdk]# docker tag admin_service:v2022.1 10.0.0.230/xingdian/admin_service:v2022.1
-[root@nfs-harbor jdk]# docker push 10.0.0.230/xingdian/admin_service:v2022.1
-```
-
-注意:
-
- 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):
-
-```yml
-spring:
- application:
- name: tensquare-admin-service #指定服务名
- datasource:
- driverClassName: com.mysql.jdbc.Driver
- #数据库地址(修改)
- url: jdbc:mysql://10.0.0.220:30023/tensquare_user?characterEncoding=UTF8&useSSL=false
- #数据库账户名(修改)
- username: root
- #数据库账户密码(修改)
- password: mysql
- jpa:
- database: mysql
- show-sql: true
-
-#Eureka配置
-eureka:
- client:
- service-url:
- #defaultZone: http://192.168.66.103:10086/eureka,http://192.168.66.104:10086/eureka
- ##tensquare_eureka_server地址和端口(修改)
- defaultZone: http://10.0.0.220:30020/eureka
- instance:
- lease-renewal-interval-in-seconds: 5 # 每隔5秒发送一次心跳
- lease-expiration-duration-in-seconds: 10 # 10秒不发送就过期
- prefer-ip-address: true
-
-
- # jwt参数
-jwt:
- config:
- key: itcast
- ttl: 1800000
-```
-
-#### 5.gathering部署
-
-Dockerfile创建:
-
-```shell
-[root@nfs-harbor jdk]# cat Dockerfile
-FROM xingdian
-MAINTAINER "xingdian"
-ADD jdk-8u211-linux-x64.tar.gz /usr/local/
-RUN mv /usr/local/jdk1.8.0_211 /usr/local/java
-ENV JAVA_HOME /usr/local/java/
-ENV PATH $PATH:$JAVA_HOME/bin
-COPY tensquare_gathering-1.0-SNAPSHOT.jar /usr/local
-CMD java -jar /usr/local/tensquare_gathering-1.0-SNAPSHOT.jar
-```
-
-镜像构建:
-
-```shell
-[root@nfs-harbor jdk]# docker build -t gathering:v2022.1 .
-```
-
-镜像上传:
-
-```shell
-[root@nfs-harbor jdk]# docker tag gathering:v2022.1 10.0.0.230/xingdian/gathering:v2022.1
-[root@nfs-harbor jdk]# docker push 10.0.0.230/xingdian/gathering:v2022.1
-```
-
-仓库验证:
-
-
-
-注意:
-
-
-
-```yml
-server:
- port: 9002
-spring:
- application:
- name: tensquare-gathering #指定服务名
- datasource:
- driverClassName: com.mysql.jdbc.Driver
- #数据库地址(修改)
- url: jdbc:mysql://10.0.0.220:30023/tensquare_gathering?characterEncoding=UTF8&useSSL=false
- #数据库地址(修改)
- username: root
- #数据库账户密码(修改)
- password: mysql
- jpa:
- database: mysql
- show-sql: true
-#Eureka客户端配置
-eureka:
- client:
- service-url:
- #defaultZone: http://192.168.66.103:10086/eureka,http://192.168.66.104:10086/eureka
- #tensquare_eureka_server地址和端口(修改)
- defaultZone: http://10.0.0.220:30020/eureka
- instance:
- lease-renewal-interval-in-seconds: 5 # 每隔5秒发送一次心跳
- lease-expiration-duration-in-seconds: 10 # 10秒不发送就过期
- prefer-ip-address: true
-```
-
-## 四:kubernetes集群部署
-
-#### 1.所有镜像验证
-
-![image-20220508233955412](https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220508233955412.png)
-#### 2.部署eureka
-
-Eureka之Deployment创建:
-
-```shell
-[root@master xingdian]# cat Eureka.yaml
-apiVersion: apps/v1
-kind: Deployment
-metadata:
- name: eureka-deployment
- labels:
- app: eureka
-spec:
- replicas: 1
- selector:
- matchLabels:
- app: eureka
- template:
- metadata:
- labels:
- app: eureka
- spec:
- containers:
- - name: nginx
- image: 10.0.0.230/xingdian/eureka:v2022.1
- ports:
- - containerPort: 10086
----
-apiVersion: v1
-kind: Service
-metadata:
- name: eureka-service
- labels:
- app: eureka
-spec:
- type: NodePort
- ports:
- - port: 10086
- name: eureka
- targetPort: 10086
- nodePort: 30020
- selector:
- app: eureka
-```
-
-创建:
-
-```shell
-[root@master xingdian]# kubectl create -f Eureka.yaml
-deployment.apps/eureka-deployment created
-service/eureka-service created
-```
-
-验证:
-
-```shell
-[root@master xingdian]# kubectl get pod
-NAME READY STATUS RESTARTS AGE
-eureka-deployment-69c575d95-hx8s6 1/1 Running 0 2m20s
-[root@master xingdian]# kubectl get svc
-NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
-eureka-service NodePort 10.107.243.240 10086:30020/TCP 2m22s
-```
-
-
-
-#### 3.部署zuul
-
-zuul之Deployment创建:
-
-```shell
-[root@master xingdian]# cat Zuul.yaml
-apiVersion: apps/v1
-kind: Deployment
-metadata:
- name: zuul-deployment
- labels:
- app: zuul
-spec:
- replicas: 1
- selector:
- matchLabels:
- app: zuul
- template:
- metadata:
- labels:
- app: zuul
- spec:
- containers:
- - name: zuul
- image: 10.0.0.230/xingdian/zuul:v2022.1
- ports:
- - containerPort: 10020
----
-apiVersion: v1
-kind: Service
-metadata:
- name: zuul-service
- labels:
- app: zuul
-spec:
- type: NodePort
- ports:
- - port: 10020
- name: zuul
- targetPort: 10086
- nodePort: 30021
- selector:
- app: zuul
-```
-
-创建:
-
-```shell
-[root@master xingdian]# kubectl create -f Zuul.yaml
-```
-
-验证:
-
-```shell
-[root@master xingdian]# kubectl get pod
-NAME READY STATUS RESTARTS AGE
-eureka-deployment-69c575d95-hx8s6 1/1 Running 0 7m42s
-zuul-deployment-6d76647cf9-6rmdj 1/1 Running 0 10s
-[root@master xingdian]# kubectl get svc
-NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
-eureka-service NodePort 10.107.243.240 10086:30020/TCP 7m37s
-kubernetes ClusterIP 10.96.0.1 443/TCP 11d
-zuul-service NodePort 10.103.35.255 10020:30021/TCP 5s
-```
-
-验证是否加入注册中心:
-
-![image-20220508235634459](https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220508235634459.png)
-
-#### 4.mysql部署
-
-mysql之rc和svc创建:
-
-```shell
-[root@master mysql]# cat mysql-svc.yaml
-apiVersion: v1
-kind: Service
-metadata:
- name: mysql-svc
- labels:
- name: mysql-svc
-spec:
- type: NodePort
- ports:
- - port: 3306
- protocol: TCP
- targetPort: 3306
- name: http
- nodePort: 30023
- selector:
- name: mysql-pod
-[root@master mysql]# cat mysql-rc.yaml
-apiVersion: v1
-kind: ReplicationController
-metadata:
- name: mysql-rc
- labels:
- name: mysql-rc
-spec:
- replicas: 1
- selector:
- name: mysql-pod
- template:
- metadata:
- labels:
- name: mysql-pod
- spec:
- 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 10086:30020/TCP 29m
-kubernetes ClusterIP 10.96.0.1 443/TCP 11d
-mysql-svc NodePort 10.98.4.62 3306:30023/TCP 9m1s
-zuul-service NodePort 10.103.35.255 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 9001:30024/TCP 6s
-eureka-service NodePort 10.107.243.240 10086:30020/TCP 47m
-kubernetes ClusterIP 10.96.0.1 443/TCP 11d
-mysql-svc NodePort 10.98.4.62 3306:30023/TCP 26m
-zuul-service NodePort 10.103.35.255 10020:30021/TCP 39m
-```
-
-注册中心验证:
-
-
-
-#### 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:
-
-
-
-#### 7.浏览器测试API接口
-
-![image-20220509015035488](https://xingdian-image.oss-cn-beijing.aliyuncs.com/xingdian-image/image-20220509015035488.png)
-
-
-