spring cloud常用依赖和配置整理
常用依赖
// 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>
配置
// 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
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