浅谈springcloud常用依赖和配置

// pom.xml

<?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.roit</groupId>
    <artifactId>config</artifactId>
    <version>1.0.0</version>

    <!-- 微服务的包   -->
    <packaging>pom</packaging>

    <!-- spring-boot 父工程   -->
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.3.3.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>
    </properties>

    <dependencyManagement>
        <dependencies>
            <!--    spring-cloud  依赖 https://spring.io/projects/spring-cloud     -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-dependencies</artifactId>
                <version>Hoxton.SR7</version>
                <type>pom</type>
                <scope>import</scope>
            </dependency>

            <!--     启动类长运行配置 @SpringBootApplication      -->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>

            <!--    eureka 服务端  @EnableConfigServer  http://localhost:8761    -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
            </dependency>

            <!--    eureka 客户端  @EnableEurekaClient      -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-netflix-eureka-client</artifactId>
            </dependency>

            <!--    consul 注册  http://localhost:8500/ui/dc1/services    -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-consul-discovery</artifactId>
            </dependency>

            <!--    nacos 注册    http://localhost:8848/nacos    -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-alibaba-nacos-discovery</artifactId>
            </dependency>

            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>nacos-client</artifactId>
            </dependency>

            <!--   feign  声明式服务调用 替代 RestTemplate @EnableFeignClients       -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-openfeign</artifactId>
            </dependency>

            <!--   hystrix 熔断器，服务降级   @EnableCircuitBreaker      -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
            </dependency>

            <!--   hystrix 图形化监控，只能监控一个服务  @EnableHystrixDashboard  http://localhost:8769/hystrix   -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId>
            </dependency>

            <!--  turbine 聚合监控   @EnableTurbine    http://localhost:8769/turbine.stream   -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-netflix-turbine</artifactId>
            </dependency>

            <!--   spring-boot 提供的监控         -->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-actuator</artifactId>
            </dependency>

            <!--    网关  -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-gateway</artifactId>
            </dependency>

            <!--    git 配置类服务端   @EnableConfigServer  http://localhost/8888/master/config-dev.yml    -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-config-server</artifactId>
            </dependency>

            <!--    git 配置类客户端          -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-config</artifactId>
            </dependency>

            <!--    bus-rabbitmq 消息总线，做 config 自动刷新          -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-bus-amqp</artifactId>
            </dependency>

            <!--    stream-rabbitmq 发送消息          -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-stream-rabbit</artifactId>
            </dependency>

            <!--    sleuth + zipkin 服务链路追踪。需要 zipkin 的 jar包，图形化查看地址 http://localhost:9411        -->
            <dependency>
                <groupId>org.springframework.cloud</groupId>
                <artifactId>spring-cloud-starter-zipkin</artifactId>
            </dependency>

        </dependencies>
    </dependencyManagement>

</project>

// application.yml

# 设置端口
server:
  port: 8000

# 服务名
spring:
  application:
    name: eureka

# eureka 配置
eureka:
  instance:
    hostname: localhost
  client:
    service-url:
      defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka
    # 是否需要将自己的路径注册到 eureka 服务端
    register-with-eureka: true
    # 是否需要从 eureka 服务端抓取路径
    fetch-registry: true

# consul
spring:
  cloud:
    consul:
      host: localhost
      port: 8500
      discovery:
        # 注册到 consul 的服务名
        service-name: ${spring.application.name}
        # 监控界面显示 ip
        prefer-ip-address: true

# nacos
spring:
  cloud:
    nacos:
      discovery:
        # 服务端地址
        server-addr: 127.0.0.1:8848

# ribben 负载均衡策略
provider:
  ribbon:
    NFloadBalancerRuleClassName: com.netflix.loadbalancer.RandomRule

# feign 超时配置, 集成了 ribbon
ribbon:
  # 连接超时时间  默认 1000ms
  ConnectTimeout: 1000
  # 逻辑处理超时时间 默认 1000ms
  ReadTimeout: 3000

#feign 集成了 hystrix，开启 hystrix
feign:
  hystrix:
    enabled: true

# feign 设置日志级别，只支持 debug, 请求响应的相关数据
logging:
  level:
    com.roit.controller: debug

# turbine 聚合监控
turbine:
  combine-host-port: true
  # 配置监控的服务名
  app-config: provider,consumer
  cluster-name-expression: "'default'"
  aggregator:
    cluster-config: default
  #instanceUrlSuffix: /actuator/hystrix.stream

# gateway 网关
spring:
  cloud:
    gateway:
      routes:
      - id: provider
        # provider 的静态访问路径
        # uri: http://localhost:8001/
        # 动态
        uri: lb://provider
        # 匹配规则
        predicates:
        - Path=/goods/**
        # 局部过滤器
        filters:
          - AddRequestParameter=username,zs
      discovery:
        locator:
          # 请求路径加上微服务名称，http://localhost/provider/goods/ 或 http://localhost/goods/ 都行
          enabled: true
          # 默认名称大写，改为允许小写
          lower-case-service-id: true

# config 服务端
spring:
  cloud:
    config:
      server:
        # 文件的仓库地址
        git:
          uri: https://gitee.com/config.git
          # username: zs
          # password: 123
      # 文件所在分支
      label: master


# config 客户端，bootstrap.yml
spring:
  cloud:
    config:
      # http://localhost:8888/master/config-dev.yml
      # config 服务端地址
      # uri: http://localhost:8888
      name: config
      profile: dev,redis
      label: master
      # 动态配置 config 服务端地址，先将config 服务端注册到 eureka
      discovery:
        enabled: true
        # config 服务端的名字，大写
        service-id: config-server

# config 客户端 单服务自动刷新
# 1. 加依赖 actuator
# 2. 获取数据的 controller 上加@RefreshScope
# 3. curl -X POST http://localhost:8001/actuator/refresh
management:
  endpoints:
    web:
      exposure:
        # * 暴露所有；refresh 暴露自动刷新，/actuator/refresh。
        include: '*'

# bus 自动刷新，先给 config-server 发消息，再由 server 去通知所有的 config-client
# bus-amqp 内部使用 rabbitmq 发消息
# config-server 需暴露 bus-refresh 和 配置 rabbitmq
# curl -X POST http://localhost:8888/actuator/bus-refresh
        include: 'bus-refresh'

# config-client 需配置 rabbitmq 和 在获取数据的 controller 上加 @RefreshScope
spring:
  rabbitmq:
    host: localhost
    port: 5672
    username: guest
    password: guest
    virtual-host: /

# stream-rabbit
spring:
  cloud:
    stream:
      binders:
        # 定义绑定器名称
        mybinder:
          type: rabbit
          # 指定 mq 的环境
          environment:
            spring:
              rabbitmq:
                host: localhost
                port: 5672
                username: guest
                password: guest
                virtual-host: /
      bindings:
        # 生产者 @EnableBinding(Source.class)
        output:
        # 消费者 @EnableBinding(Sink.class), @StreamListener(Sink.INPUT)
        # input:
          binder: mybinder
          # 绑定的交换机名称
          destination: myexchange


# sleuth + zipkin
spring:
  zipkin:
    # zipkin 服务端路径
    base-url: http://lacalhost:9411/
  sleuth:
    sampler:
      # 数据采集率 默认0.1
      probability: 0.1