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https://github.com/quan930/smilodon
java-服务注册中心-轻量级实现-负载均衡
https://github.com/quan930/smilodon
discoveryclient loadbalance springcloud
Last synced: about 2 months ago
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java-服务注册中心-轻量级实现-负载均衡
- Host: GitHub
- URL: https://github.com/quan930/smilodon
- Owner: quan930
- License: apache-2.0
- Created: 2021-01-06T12:35:32.000Z (almost 4 years ago)
- Default Branch: main
- Last Pushed: 2021-04-20T15:04:54.000Z (over 3 years ago)
- Last Synced: 2023-07-28T00:18:42.700Z (over 1 year ago)
- Topics: discoveryclient, loadbalance, springcloud
- Language: Java
- Homepage:
- Size: 777 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# smilodon
### 简介
smilodon中文是剑齿虎，是一套服务注册发现工具包，实现的目的是更好了解微服务的原理，实现`spring-cloud-commons`部分功能，支持`@LoadBalanced`注解，可以使用RestTemplate调用服务
### smilodon服务器
##### 配置smilodon服务器
+ 先决条件
+ JDK 1.8或更高
+ springboot 2.3或更高
+ springcloud Hoxton.SR8或更高
+ maven 依赖
```xml
cn.lilq.smilodon
smilodon-server-spring-boot-starter
0.2.4
```
##### 构建smilodon服务器
+ 启用smilodon服务器
```java
@EnableSmilodonServer
@SpringBootApplication
public class SmilodonServerApplication {
public static void main(String[] args) {
SpringApplication.run(SmilodonServerApplication.class,args);
}
}
```
+ 可选配置
```properties
smilodon.instance.prefer-ip-address=true
smilodon.instance.hostname=127.0.0.1
smilodon.server.max-wait-time=60
smilodon.server.testing-time=20
```
### smilodon客户端
##### 配置smilodon客户端
+ 先决条件
+ JDK 1.8或更高
+ springboot 2.3或更高
+ springcloud Hoxton.SR8或更高
+ maven 依赖
```xml
cn.lilq.smilodon
smilodon-client-spring-boot-starter
0.2.4
```
##### 构建smilodon客户端
+ 启用smilodon服务器
```java
@EnableSmilodonClient
@SpringBootApplication
public class SmilodonClientApplication {
public static void main(String[] args) {
SpringApplication.run(SmilodonClientApplication.class,args);
}
}
```
+ 可选配置
```properties
smilodon.instance.prefer-ip-address=true
smilodon.instance.instance-id=ordersys5001
smilodon.client.fetch-registry=false
#smilodon.client.fetch-registry=true
smilodon.client.service-url=http://localhost:7010
#smilodon.client.register-with-smilodon=false
smilodon.client.register-with-smilodon=true
```
+ 使用`discoveryClient`进行服务发现
```java
@Resource
private DiscoveryClient discoveryClient;
@ResponseBody
@RequestMapping(value = "/",method = RequestMethod.GET)
public void getServices(){
System.out.println(discoveryClient.getServices());
}
@ResponseBody
@RequestMapping(value = "/{id}",method = RequestMethod.GET)
public void getInstances(@PathVariable String id){
System.out.println(discoveryClient.getInstances(id));
}
```
+ 使用具有`@LoadBalanced`注解的RestTemplate调用服务
```java
@ResponseBody
@RequestMapping(value = "/hello", method = RequestMethod.GET)
public Response hello() {
return new Response(200,"successful","hello world,port:"+serverPort);
}
@ResponseBody
@RequestMapping(value = "/sayhello", method = RequestMethod.GET)
public Response sayHello() {
Response response = restTemplate.getForObject("http://ORDER-SERVER/hello", Response.class);
System.out.println(response);
return response;
}
@Bean
@LoadBalanced
public RestTemplate restTemplate() {
return new RestTemplate();
}
```
### 演示
+ [test地址](https://github.com/quan930/smilodon/tree/main/smilodon-test)
### 不足
+ 动态注入controller
+ 心跳检测
+ 订阅controller 动态注入 (注入异常)