This commit is contained in:
hxy1991 2018-12-05 20:33:50 +08:00
parent 3f5955f69c
commit 190ac8d057

View File

@ -0,0 +1,108 @@
/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.nacos.console.controller;
import com.alibaba.nacos.config.server.service.PersistService;
import com.alibaba.nacos.naming.web.ApiCommands;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;
import javax.servlet.http.HttpServletRequest;
/**
* @author <a href="mailto:huangxiaoyu1018@gmail.com">hxy1991</a>
*/
@RestController("consoleHealth")
@RequestMapping("/v1/console/health")
public class HealthController {
private static final Logger logger = LoggerFactory.getLogger(HealthController.class);
private final PersistService persistService;
private final ApiCommands apiCommands;
@Autowired
public HealthController(PersistService persistService, ApiCommands apiCommands) {
this.persistService = persistService;
this.apiCommands = apiCommands;
}
/**
* Whether the Nacos is in broken states or not, and cannot recover except by being restarted
*
* @return HTTP code equal to 200 indicates that Nacos is in right states. HTTP code equal to 500 indicates that
* Nacos is in broken states.
*/
@ResponseBody
@RequestMapping(value = "liveness", method = RequestMethod.GET)
public ResponseEntity liveness() {
return ResponseEntity.ok().body("OK");
}
/**
* Ready to receive the request or not
*
* @return HTTP code equal to 200 indicates that Nacos is ready. HTTP code equal to 500 indicates that Nacos is not
* ready.
*/
@ResponseBody
@RequestMapping(value = "readiness", method = RequestMethod.GET)
public ResponseEntity readiness(HttpServletRequest request) {
boolean isConfigReadiness = isConfigReadiness();
boolean isNamingReadiness = isNamingReadiness(request);
if (isConfigReadiness && isNamingReadiness) {
return ResponseEntity.ok().body("OK");
}
if (!isConfigReadiness && !isNamingReadiness) {
return ResponseEntity.status(500).body("Config and Naming are not in readiness");
}
if (!isConfigReadiness) {
return ResponseEntity.status(500).body("Config is not in readiness");
}
return ResponseEntity.status(500).body("Naming is not in readiness");
}
private boolean isConfigReadiness() {
// check db
try {
persistService.configInfoCount("");
return true;
} catch (Exception e) {
logger.error("Config health check fail.", e);
}
return false;
}
private boolean isNamingReadiness(HttpServletRequest request) {
try {
apiCommands.hello(request);
return true;
} catch (Exception e) {
logger.error("Naming health check fail.", e);
}
return false;
}
}