feature(forest): 使用 spring cloud loadbalance 组件来选择服务

This commit is contained in:
2023-05-10 09:32:49 +08:00
parent dacf3e488f
commit cc851158db
2 changed files with 12 additions and 12 deletions

View File

@@ -27,6 +27,10 @@
<artifactId>forest-spring-boot-starter</artifactId>
<version>1.5.30</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-loadbalancer</artifactId>
</dependency>
</dependencies>
</project>

View File

@@ -1,20 +1,18 @@
package com.lanyuanxiaoyao.service.forest.configuration;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.RandomUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.core.util.URLUtil;
import com.dtflys.forest.auth.BasicAuth;
import com.dtflys.forest.http.ForestAddress;
import com.dtflys.forest.http.ForestRequest;
import com.dtflys.forest.interceptor.Interceptor;
import com.eshore.odcp.hudi.connector.Constants;
import java.net.URL;
import org.eclipse.collections.api.factory.Lists;
import org.eclipse.collections.api.list.ImmutableList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.stereotype.Component;
/**
@@ -25,10 +23,10 @@ import org.springframework.stereotype.Component;
public class SpringCloudDiscoveryInterceptor implements Interceptor<Object> {
private static final Logger logger = LoggerFactory.getLogger(SpringCloudDiscoveryInterceptor.class);
private final DiscoveryClient client;
private final LoadBalancerClient loadBalancerClient;
public SpringCloudDiscoveryInterceptor(DiscoveryClient client) {
this.client = client;
public SpringCloudDiscoveryInterceptor(LoadBalancerClient loadBalancerClient) {
this.loadBalancerClient = loadBalancerClient;
}
@Override
@@ -37,16 +35,14 @@ public class SpringCloudDiscoveryInterceptor implements Interceptor<Object> {
URL url = URLUtil.url(request.getUrl());
String host = url.getHost();
if (StrUtil.isNotBlank(host)) {
ImmutableList<ServiceInstance> instances = Lists.immutable.ofAll(client.getInstances(host));
if (ObjectUtil.isNotEmpty(instances)) {
int index = RandomUtil.randomInt(instances.size());
ServiceInstance instance = instances.get(index);
ServiceInstance instance = loadBalancerClient.choose(host);
if (ObjectUtil.isNotNull(instance)) {
request.setAddress(new ForestAddress(instance.getScheme(), instance.getHost(), instance.getPort()));
}
}
// Basic auth
BasicAuth basicAuth = new BasicAuth("AxhEbscwsJDbYMH2", "cYxg3b4PtWoVD5SjFayWxtnSVsjzRsg4");
BasicAuth basicAuth = new BasicAuth(Constants.SPRING_SECURITY_USERNAME, Constants.SPRING_SECURITY_PASSWORD_PLAIN);
basicAuth.enhanceAuthorization(request);
return Interceptor.super.beforeExecute(request);