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mercyblitz 2019-08-01 13:07:05 +08:00
parent be18803104
commit a701f8ca74
1 changed files with 68 additions and 71 deletions
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139
spring-cloud-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/discovery/NacosDiscoveryClient.java
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@ -16,21 +16,20 @@
package com.alibaba.cloud.nacos.discovery;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
import com.alibaba.cloud.nacos.NacosServiceInstance;
import com.alibaba.nacos.api.naming.pojo.Instance;
import com.alibaba.nacos.api.naming.pojo.ListView;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
import com.alibaba.cloud.nacos.NacosServiceInstance;
import com.alibaba.nacos.api.naming.pojo.Instance;
import com.alibaba.nacos.api.naming.pojo.ListView;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author xiaojing
@ -38,75 +37,73 @@ import com.alibaba.nacos.api.naming.pojo.ListView;
*/
public class NacosDiscoveryClient implements DiscoveryClient {
private static final Logger log = LoggerFactory.getLogger(NacosDiscoveryClient.class);
public static final String DESCRIPTION = "Spring Cloud Nacos Discovery Client";
private static final Logger log = LoggerFactory.getLogger(NacosDiscoveryClient.class);
public static final String DESCRIPTION = "Spring Cloud Nacos Discovery Client";
private NacosDiscoveryProperties discoveryProperties;
private NacosDiscoveryProperties discoveryProperties;
public NacosDiscoveryClient(NacosDiscoveryProperties discoveryProperties) {
this.discoveryProperties = discoveryProperties;
}
public NacosDiscoveryClient(NacosDiscoveryProperties discoveryProperties) {
this.discoveryProperties = discoveryProperties;
}
@Override
public String description() {
return DESCRIPTION;
}
@Override
public String description() {
return DESCRIPTION;
}
@Override
public List<ServiceInstance> getInstances(String serviceId) {
try {
List<Instance> instances = discoveryProperties.namingServiceInstance()
.selectInstances(serviceId, true);
return hostToServiceInstanceList(instances, serviceId);
}
catch (Exception e) {
throw new RuntimeException(
"Can not get hosts from nacos server. serviceId: " + serviceId, e);
}
}
@Override
public List<ServiceInstance> getInstances(String serviceId) {
try {
List<Instance> instances = discoveryProperties.namingServiceInstance()
.selectInstances(serviceId, true);
return hostToServiceInstanceList(instances, serviceId);
} catch (Exception e) {
throw new RuntimeException(
"Can not get hosts from nacos server. serviceId: " + serviceId, e);
}
}
private static ServiceInstance hostToServiceInstance(Instance instance,
String serviceId) {
NacosServiceInstance nacosServiceInstance = new NacosServiceInstance();
nacosServiceInstance.setHost(instance.getIp());
nacosServiceInstance.setPort(instance.getPort());
nacosServiceInstance.setServiceId(serviceId);
public static ServiceInstance hostToServiceInstance(Instance instance,
String serviceId) {
NacosServiceInstance nacosServiceInstance = new NacosServiceInstance();
nacosServiceInstance.setHost(instance.getIp());
nacosServiceInstance.setPort(instance.getPort());
nacosServiceInstance.setServiceId(serviceId);
Map<String, String> metadata = new HashMap<>();
metadata.put("nacos.instanceId", instance.getInstanceId());
metadata.put("nacos.weight", instance.getWeight() + "");
metadata.put("nacos.healthy", instance.isHealthy() + "");
metadata.put("nacos.cluster", instance.getClusterName() + "");
metadata.putAll(instance.getMetadata());
nacosServiceInstance.setMetadata(metadata);
Map<String, String> metadata = new HashMap<>();
metadata.put("nacos.instanceId", instance.getInstanceId());
metadata.put("nacos.weight", instance.getWeight() + "");
metadata.put("nacos.healthy", instance.isHealthy() + "");
metadata.put("nacos.cluster", instance.getClusterName() + "");
metadata.putAll(instance.getMetadata());
nacosServiceInstance.setMetadata(metadata);
if (metadata.containsKey("secure")) {
boolean secure = Boolean.parseBoolean(metadata.get("secure"));
nacosServiceInstance.setSecure(secure);
}
return nacosServiceInstance;
}
if (metadata.containsKey("secure")) {
boolean secure = Boolean.parseBoolean(metadata.get("secure"));
nacosServiceInstance.setSecure(secure);
}
return nacosServiceInstance;
}
private static List<ServiceInstance> hostToServiceInstanceList(
List<Instance> instances, String serviceId) {
List<ServiceInstance> result = new ArrayList<>(instances.size());
for (Instance instance : instances) {
result.add(hostToServiceInstance(instance, serviceId));
}
return result;
}
public static List<ServiceInstance> hostToServiceInstanceList(
List<Instance> instances, String serviceId) {
List<ServiceInstance> result = new ArrayList<>(instances.size());
for (Instance instance : instances) {
result.add(hostToServiceInstance(instance, serviceId));
}
return result;
}
@Override
public List<String> getServices() {
@Override
public List<String> getServices() {
try {
ListView<String> services = discoveryProperties.namingServiceInstance()
.getServicesOfServer(1, Integer.MAX_VALUE);
return services.getData();
}
catch (Exception e) {
log.error("get service name from nacos server fail,", e);
return Collections.emptyList();
}
}
try {
ListView<String> services = discoveryProperties.namingServiceInstance()
.getServicesOfServer(1, Integer.MAX_VALUE);
return services.getData();
} catch (Exception e) {
log.error("get service name from nacos server fail,", e);
return Collections.emptyList();
}
}
}