13. 微服务综合案例1 eureka和config server （2刷）

àì夳堔傛蜴生んèń 2022-09-08 03:41 193阅读 0赞

# 技术一览 #

1.  注册中心
2.  配置中心
3.  路由网关
4.  授权中心 Uaa服务
    
    1.  User Account and Authentication 用户帐号及认证
    2.  Spring OAuth2 和 Spring boot security
5.  Turbine 聚合监控服务
6.  链路追踪服务 Zikin
7.  聚合监控服务 admin-service
8.  日志服务

eureka
    spirng cloud config
    Spring cloud OAuth2
    Feign
    Ribbon
    Hystrix
    Hystrix Dashboard
    Turbine
    Spring Cloud Sleuth 集成Zipkin
    Spring boot Admin 聚合监控微服务的状况。上面的 turbine 也可以在这里显示。
    	继承turbine，turbine集合 其他服务的 Hystrix Dashboard
    zuul
    Spring Data Jpa
    Swagger
    Restful api
    RabbitMq 发送日志消息

# 主 Maven 工程 #

*Jolokia*是一个利用JSON通过Http实现JMX远程管理的开源项目。具有快速、简单等特点。

*  运行在服务器上的后端程序,可不可以视化的监控?
 *  对外暴露MBeans的HTTP访问URL。

*JMX*（Java Management Extensions，即Java管理扩展）

*OAuth 2*.0 是一种授权机制,主要用来颁发令牌(token)。

*  首先声明*oauth2*是一种协议规范,spring-security-*oauth2*是对他的一种实现。

oAuth 协议为用户资源的授权提供了一个安全的、开放而又简易的标准。

## pom ##

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
    
        <groupId>com.forezp</groupId>
        <artifactId>SpringCloudInAction</artifactId>
        <version>1.0-SNAPSHOT</version>
        <packaging>pom</packaging>
    
        <modules>
            <module>blog-service</module> 日志
            <module>config-server</module> 配置中心
            <module>eureka-server</module> 注册中心
            <module>gateway-service</module> 网关
            <module>user-service</module> 用户服务
            <module>monitor-service</module> 监控
            <module>uaa-service</module> 认证鉴权
            <module>log-service</module> 日志
            <module>common</module> 通用
            <module>admin-service</module> 管理
        </modules>
    
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>2.1.0.RELEASE</version>
            <relativePath/> 
        </parent>
    
        <properties>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
            <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
            <java.version>1.8</java.version>
            <spring-cloud.version>Greenwich.RELEASE</spring-cloud.version>
        </properties>
    
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
            <dependency>
                <groupId>org.jolokia</groupId>
                <artifactId>jolokia-core</artifactId> //监控的核心。spring boot admin用。但是新版没有用
            </dependency>
        </dependencies>
    
        <dependencyManagement>
            <dependencies>
                <dependency>
                    <groupId>org.springframework.cloud</groupId>
                    <artifactId>spring-cloud-dependencies</artifactId>
                    <version>${spring-cloud.version}</version>
                    <type>pom</type>
                    <scope>import</scope>
                </dependency>
                <dependency> //jwt
                    <groupId>org.springframework.security</groupId>
                    <artifactId>spring-security-jwt</artifactId>
                    <version>1.0.9.RELEASE</version>
                </dependency>
    
    
                
                <dependency> //oauth2
                    <groupId>org.springframework.security.oauth</groupId>
                    <artifactId>spring-security-oauth2</artifactId>
                    <version>2.3.4.RELEASE</version>
                </dependency>
            </dependencies>
        </dependencyManagement>
    
    </project>

# eureka-server #

### pom 开启server 和 yaml ###

<dependency>
    			<groupId>org.springframework.cloud</groupId>
    			<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
    		</dependency>

@SpringBootApplication
    @EnableEurekaServer

server:
      port: 8761
      
    eureka:
      client:
        register-with-eureka: false #不注册到其他eureka
        fetch-registry: false #不拉取，其他的注册信息
        serviceUrl:
          defaultZone: http://localhost:${ server.port}/eureka/
          
    management:
      endpoints:
        web:
          exposure:
            include: "*"
      endpoint:
        health:
          show-details: ALWAYS

# config-server #

## pom ##

<dependencies>
    		<dependency> config-server
    			<groupId>org.springframework.cloud</groupId>
    			<artifactId>spring-cloud-config-server</artifactId>
    		</dependency>
    		
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-actuator</artifactId>
    		</dependency>
    
    		<dependency> bus-amqp
    			<groupId>org.springframework.cloud</groupId>
    			<artifactId>spring-cloud-starter-bus-amqp</artifactId>
    		</dependency>
    
    
    
    		<dependency> retry
    			<groupId>org.springframework.retry</groupId>
    			<artifactId>spring-retry</artifactId>
    		</dependency>
    
    		<dependency> aop
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-aop</artifactId>
    		</dependency>
    	</dependencies>

## enable 和 yaml ##

@EnableConfigServer

## application ##

# remote git
    #spring:
    # cloud:
    # config:
    # server:
    # git:
    # uri: https://git.coding.net/xiaoantimes/xiaoantimes-taichi
    # searchPaths: backend/repo
    # username: 124746406@qq.com
    # password:
    # label: master
    
    # ---native
    spring:
      cloud:
        config:
          server:
            native:
              search-locations: classpath:/shared
      profiles:
         active: native
      application:
        name: config-server
    
    # port
    server:
      port: 8769
    
    management:
      security:
        enabled: false
      endpoints:
        web:
          exposure:
            include: "*"
      endpoint:
        health:
          show-details: ALWAYS

# 下面的配置，都是 shared 目录下的文件 #

## admin-service-pro.yml ##

spring:
      application:
        name: admin-server
      security:
        user:
          name: "admin"
          password: "admin"
    server:
      port: 9998
    eureka:
      client:
        registryFetchIntervalSeconds: 5 #表示eureka client间隔多久去拉取 服务注册信息，默认为30秒
        service-url:
          defaultZone: ${ EUREKA_SERVICE_URL:http://localhost:8761}/eureka/
      instance:
        leaseRenewalIntervalInSeconds: 10 #表示eureka client发送心跳给server端的频率
        health-check-url-path: /actuator/health #健康检查的路径
        metadata-map:
          user.name: ${ spring.security.user.name} #节点的用户名，就是 security的用户名
          user.password: ${ spring.security.user.password}
    
    management:
      endpoints:
        web:
          exposure:
            include: "*" #管理 断点 web 暴露 包含
      endpoint:
        health:
          show-details: ALWAYS # 端点 健康 展示细节 总是
    
    
    #server:
    # port: 9998
    #security:
    # user:
    # name: admin
    # password: 123456
    #management:
    # security:
    # enabled: false
    #
    #spring:
    # boot:
    # admin:
    # routes:
    # endpoints: env,metrics,dump,jolokia,info,configprops,trace,logfile,refresh,flyway,liquibase,heapdump,loggers,auditevents,hystrix.stream,activiti
    # turbine:
    # clusters: default
    # location: monitor-service
    #
    #eureka:
    # instance:
    # metadata-map:
    # user.name: admin
    # user.password: 123456
    
    logging:
      file: "logs/admin-service-pro.log" #日志目录

exposure 
    英 /ɪkˈspəʊʒə(r)/  美 /ɪkˈspoʊʒər/  全球(英国)  
    简明 牛津 新牛津  韦氏  柯林斯 例句  百科
    n. 暴露；曝光；揭露；陈列
    复数 exposures

## shared下的application.yml ##

#logging:
    # level:
    # org.springframework.security: INFO
    
    #hystrix:
    # command:
    # default:
    # execution:
    # isolation:
    # thread:
    # timeoutInMilliseconds: 10000
    
    eureka:
      instance:
        leaseRenewalIntervalInSeconds: 10
        health-check-url-path: /actuator/health
      client:
        serviceUrl:
          defaultZone: http://localhost:8761/eureka/
    
    
    #endpoints:
    # health:
    # sensitive: false
    # enabled: true
    # actuator:
    # enabled: true
    # sensitive: false
    # beans:
    # sensitive: false
    # enabled: true
    
    
    # 端点配置，*
    # 端点健康，展示细节 总是
    
    
    feign:
      hystrix:
        enabled: true

## blog-service-pro.yml ##

server:
      port: 8763
    
    
    spring:
      zipkin:
        base-url: http://localhost:9411/ #zipkin地址
      sleuth:
        web:
          client:
            enabled: true #开启 sleuth
        sampler:
          probability: 1.0 # 将采样比例设置为 1.0，也就是全部都需要。默认是 0.1
      datasource: #mysql配置
        driver-class-name: com.mysql.jdbc.Driver
        url: jdbc:mysql://localhost:3306/sys-blog?useUnicode=true&characterEncoding=utf8&characterSetResults=utf8&serverTimezone=GMT%2B8
        username: root
        password: 123456
      jpa: #jpa配置
        hibernate:
          ddl-auto: update
        show-sql: true
    
      rabbitmq:
        host: localhost #mq配置
        port: 5672
        username: guest
        password: guest
        publisher-confirms: true
        virtual-host: /

## gateway-service-pro.yml ##

hystrix:
      command:
        default:
          execution:
            isolation:
              thread:
                timeoutInMilliseconds: 20000 #hystrix 超时时间，很重要
    
    ribbon:
      ReadTimeout: 20000 #ribbon超时时间
      ConnectTimeout: 20000 #ribbon连接超时时间
    
    zuul:
      host:
        connect-timeout-millis: 20000 #zuul 连接
        socket-timeout-millis: 20000 #zuul socket超时时间
    
      routes:
        user-service:
          path: /userapi/** #路由配置，访问userapi访问 user-service服务
          serviceId: user-service
          sensitiveHeaders:
    
        blog-service:
          path: /blogapi/**
          serviceId: blog-service
          sensitiveHeaders: #默认敏感头部不通过，会去掉，设置为空。案例用 Bearer {token}
    
    server:
      port: 5000 #网关的端口

## logger-service-pro.yml ##

spring:
      datasource mysql配置
      jpa配置
    
      rabbitmq配置
    
    server:
      port: 9997

## monitor-service-pro.yml ##

server:
      port: 8766
    
    management:
      endpoints:
        web:
          exposure:
            include: "*" #断点暴露 *
          cors:
            allowed-origins: "*" #允许源 和 方法
            allowed-methods: "*"
    
    turbine:
      app-config: blog-service,user-service #turbine聚合的
      aggregator:
        clusterConfig: default #默认参数
      clusterNameExpression: new String("default") #默认
      combine-host: true
      instanceUrlSuffix:
        default: actuator/hystrix.stream #默认的监控是 最新的 actuator的hystrix的位置

## uaa-service-pro.yml ##

spring:
      datasource mysql
      jpa
    server:
      port: 9999

## user-service-pro.yml ##

server:
      port: 8762
    
    
    spring:
      zipkin:
        base-url: http://localhost:9411/ #zipkin地址
      sleuth:
        web:
          client:
            enabled: true # sleuth打开
        sampler:
          probability: 1.0 # 将采样比例设置为 1.0，也就是全部都需要。默认是 0.1
    # rabbitmq:
    # host: localhost
    # port: 5672
      datasource mysql
      jpa
    
      rabbitmq
    
    foo: foo version 1

## zipkin-service-pro.yml ##

server:
      port: 9411