Soul源码分析 环境配置

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soul is a High-Performance Java API Gateway

GitHub:https://github.com/dromara/soul

官方文档:https://dromara.org/zh-cn/docs/soul/soul.html

1. 源代码准备

1.1. fork dromara/soul源代码至自己的仓库cchenxi/soul

1.2. clone自己仓库中的soul源代码至本地

git clone https://github.com/cchenxi/soul.git

1.3.使用idea打开soul源代码

1.4.编译soul源代码

执行以下maven命令,等待编译完成

mvn clean package install -Dmaven.test.skip=true -Dmaven.javadoc.skip=true -Drat.skip=true -Dcheckstyle.skip=true

2. 启动 soul

2.1. 启动soul-admin模块

soul-admin是soul网关的后台管理系统

选择使用mysql数据库存储网关数据,修改数据源配置为自己的数据库配置。

Soul源码分析(1) 环境配置

运行启动类 org.dromara.soul.admin.SoulAdminBootstrap

Soul源码分析(1) 环境配置

使用用户名admin,密码 123456 登录。

Soul源码分析(1) 环境配置


2.2. 启动soul-bootstrap模块

soul-bootstrap是网关系统的核心

检查soul-bootstrap的配置

Soul源码分析(1) 环境配置

这里需要配置成 soul-admin的ip和端口

控制台输出如下内容表示 soul-bootstrap启动成功

2021-01-14 15:01:15.832  INFO 17943 --- [           main] b.s.s.d.w.WebsocketSyncDataConfiguration : you use websocket sync soul data.......
2021-01-14 15:01:15.924 INFO 17943 --- [           main] o.d.s.p.s.d.w.WebsocketSyncDataService   : websocket connection is successful.....
2021-01-14 15:01:16.113 INFO 17943 --- [           main] o.s.b.a.e.web.EndpointLinksResolver     : Exposing 2 endpoint(s) beneath base path '/actuator'
log4j:WARN No appenders could be found for logger (com.alibaba.dubbo.common.logger.LoggerFactory).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
2021-01-14 15:01:17.150 INFO 17943 --- [           main] o.s.b.web.embedded.netty.NettyWebServer : Netty started on port(s): 9195
2021-01-14 15:01:17.154 INFO 17943 --- [           main] o.d.s.b.SoulBootstrapApplication         : Started SoulBootstrapApplication in 5.508 seconds (JVM running for 6.762)

3. 测试http请求转发

为了方便测试,把soul-examples模块添加到soul的pom里

3.1. 启动一个服务

启动soul-examples-http项目

soul-examples-http的pom中引入了依赖

<dependency>
   <groupId>org.dromara</groupId>
   <artifactId>soul-spring-boot-starter-client-springmvc</artifactId>
   <version>${soul.version}</version>
</dependency>

application.yml中配置

soul:
http:
  adminUrl: http://localhost:9095
  port: 8188
  contextPath: /http
  appName: http
  full: false

如果soul.http.full=false,则需要在具体的http接口上配置 @SoulSpringMvcClient 注解

3.1.1. 测试http服务

执行http请求 http://localhost:8188/test/findByUserId?userId=1 结果如下图

Soul源码分析(1) 环境配置

3.1.2. 测试网关转发

执行http请求 http://localhost:9195/http/test/findByUserId?userId=1 结果如下图

Soul源码分析(1) 环境配置


soul-bootstrap的控制台中输出如下信息

2021-01-14 20:42:57.123  INFO 29812 --- [work-threads-11] o.d.soul.plugin.base.AbstractSoulPlugin  : divide selector success match , selector name :/http
2021-01-14 20:42:57.125 INFO 29812 --- [work-threads-11] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http/test/**
2021-01-14 20:42:57.126 INFO 29812 --- [work-threads-11] o.d.s.plugin.httpclient.WebClientPlugin : The request urlPath is http://172.27.121.155:8188/test/findByUserId?userId=1, retryTimes is 0

可以观察到网关可以将请求正常转发。

3.2. 启动两个服务模拟负载均衡

勾选 Allow parallel run,修改端口为8189,再次启动soul-examples-http项目

Soul源码分析(1) 环境配置

3.2.1. 测试http服务

执行http请求 http://localhost:8189/test/findByUserId?userId=1 结果如下图

Soul源码分析(1) 环境配置

3.2.2. 测试负载均衡

Soul源码分析(1) 环境配置

将8188和8189两个端口对应的服务配置到选择器中

多次执行http请求 http://localhost:9195/http/test/findByUserId?userId=1 结果如下图

Soul源码分析(1) 环境配置

soul-bootstrap的控制台中输出如下信息

2021-01-14 20:48:34.460  INFO 29812 --- [work-threads-21] o.d.soul.plugin.base.AbstractSoulPlugin  : divide selector success match , selector name :/http
2021-01-14 20:48:34.460 INFO 29812 --- [work-threads-21] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http/test/**
2021-01-14 20:48:34.460 INFO 29812 --- [work-threads-21] o.d.s.plugin.httpclient.WebClientPlugin : The request urlPath is http://172.27.121.155:8189/test/findByUserId?userId=1, retryTimes is 0
2021-01-14 20:48:35.147 INFO 29812 --- [work-threads-22] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http
2021-01-14 20:48:35.147 INFO 29812 --- [work-threads-22] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http/test/**
2021-01-14 20:48:35.147 INFO 29812 --- [work-threads-22] o.d.s.plugin.httpclient.WebClientPlugin : The request urlPath is http://172.27.121.155:8188/test/findByUserId?userId=1, retryTimes is 0
2021-01-14 20:48:38.755 INFO 29812 --- [work-threads-23] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http
2021-01-14 20:48:38.756 INFO 29812 --- [work-threads-23] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http/test/**
2021-01-14 20:48:38.756 INFO 29812 --- [work-threads-23] o.d.s.plugin.httpclient.WebClientPlugin : The request urlPath is http://172.27.121.155:8188/test/findByUserId?userId=1, retryTimes is 0
2021-01-14 20:48:39.609 INFO 29812 --- [work-threads-24] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http
2021-01-14 20:48:39.609 INFO 29812 --- [work-threads-24] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http/test/**
2021-01-14 20:48:39.609 INFO 29812 --- [work-threads-24] o.d.s.plugin.httpclient.WebClientPlugin : The request urlPath is http://172.27.121.155:8189/test/findByUserId?userId=1, retryTimes is 0
2021-01-14 20:48:40.317 INFO 29812 --- [work-threads-25] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http
2021-01-14 20:48:40.317 INFO 29812 --- [work-threads-25] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http/test/**
2021-01-14 20:48:40.317 INFO 29812 --- [work-threads-25] o.d.s.plugin.httpclient.WebClientPlugin : The request urlPath is http://172.27.121.155:8188/test/findByUserId?userId=1, retryTimes is 0
2021-01-14 20:48:40.976 INFO 29812 --- [-work-threads-1] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http
2021-01-14 20:48:40.976 INFO 29812 --- [-work-threads-1] o.d.soul.plugin.base.AbstractSoulPlugin : divide selector success match , selector name :/http/test/**
2021-01-14 20:48:40.977 INFO 29812 --- [-work-threads-1] o.d.s.plugin.httpclient.WebClientPlugin : The request urlPath is http://172.27.121.155:8188/test/findByUserId?userId=1, retryTimes is 0

可以观察到请求既有转发到8188端口的,也有转发到8189的,可以实现负载均衡

3.2.3. 压测

简单对直连和试用网关两种方式的请求进行压测

➜  soul git:(master) ✗ wrk -t8 -c40 -d30s http://localhost:8189/test/findByUserId?userId=1
Running 30s test @ http://localhost:8189/test/findByUserId?userId=1
 8 threads and 40 connections
Thread Stats   Avg     Stdev     Max   +/- Stdev
  Latency     6.06ms   28.81ms 442.25ms   98.22%
  Req/Sec     2.05k   493.86     2.84k    74.82%
 486269 requests in 30.05s, 51.01MB read
Requests/sec:  16179.68
Transfer/sec:      1.70MB
➜ soul git:(master) ✗ wrk -t8 -c40 -d30s http://localhost:9195/http/test/findByUserId?userId=1
Running 30s test @ http://localhost:9195/http/test/findByUserId?userId=1
 8 threads and 40 connections
Thread Stats   Avg     Stdev     Max   +/- Stdev
  Latency    14.37ms   18.11ms 255.66ms   93.06%
  Req/Sec   459.41    139.11     1.01k    74.23%
 109533 requests in 30.09s, 11.49MB read
Requests/sec:   3639.60
Transfer/sec:    390.98KB

可以发现,使用网关后性能有些下降,主要是因为多了一层转发。

3.2.4. 问题

在启动8189端口时,注册的客户端端口还是8188

先手动配置选择器的配置,后来在群友的帮助下定位到是 soul.http.port没有改

修改后的配置如下




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