bocloud.gateway/src/main/java/com/bocloud/gateway/restful/ServiceController.java

68 lines
3.0 KiB
Java

package com.bocloud.gateway.restful;
import com.alibaba.fastjson.JSONObject;
import com.megatron.common.model.GeneralResult;
import com.megatron.common.utils.ListTool;
import com.megatron.framework.core.RegistryService;
import com.megatron.framework.core.domain.ExtendServiceInstance;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.zookeeper.discovery.ZookeeperServiceInstance;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;
/**
* @author dmw
*/
@Slf4j
@RestController
@RequiredArgsConstructor
@RequestMapping("/actuator/services")
public class ServiceController {
private final DiscoveryClient discoveryClient;
private final RegistryService registryService;
@GetMapping
public GeneralResult<Map<String, List<ExtendServiceInstance>>> services() {
Map<String, List<ExtendServiceInstance>> serviceInstanceMap = new HashMap<>(16);
List<String> services = discoveryClient.getServices();
if (ListTool.hasElement(services)) {
services.forEach(service -> {
List<ServiceInstance> instances = this.discoveryClient.getInstances(service);
List<ExtendServiceInstance> serviceInstances = instances.stream().map(instance -> {
ExtendServiceInstance serviceInstance = new ExtendServiceInstance(service, ((ZookeeperServiceInstance) instance).getServiceInstance());
String state = null;
try {
state = this.registryService.getServiceState(service, instance.getHost() + ":" + instance.getPort());
} catch (Exception e) {
log.error("Get {} [{}:{}] service state error: {}", service, instance.getHost(), instance.getPort(), e.getMessage(), e);
}
Optional.ofNullable(state).ifPresent(s -> {
Map<String, Object> stateMap = JSONObject.parseObject(s).getInnerMap();
serviceInstance.setMetrics(stateMap);
});
return serviceInstance;
}).collect(Collectors.toList());
serviceInstanceMap.put(service, serviceInstances);
});
}
return new GeneralResult<>(true, serviceInstanceMap, "success");
}
@GetMapping("/{route}")
public GeneralResult<List<ServiceInstance>> instances(@PathVariable String route) {
List<ServiceInstance> instances = discoveryClient.getInstances(route);
return new GeneralResult<>(true, instances, "success");
}
}