2 * ============LICENSE_START=======================================================
3 * Datafile Collector Service
4 * ================================================================================
5 * Copyright (C) 2018 NOKIA Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.dcaegen2.collectors.datafile.controllers;
23 import io.swagger.annotations.Api;
24 import io.swagger.annotations.ApiOperation;
25 import io.swagger.annotations.ApiResponse;
26 import io.swagger.annotations.ApiResponses;
27 import org.slf4j.Logger;
28 import org.slf4j.LoggerFactory;
29 import org.springframework.http.HttpStatus;
30 import org.springframework.http.ResponseEntity;
31 import org.springframework.web.bind.annotation.RequestMapping;
32 import org.springframework.web.bind.annotation.RequestMethod;
33 import org.springframework.web.bind.annotation.RestController;
34 import reactor.core.publisher.Mono;
37 * @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 4/19/18
40 @Api(value = "HeartbeatController", description = "Check liveness of Datafile service")
41 public class HeartbeatController {
43 private final Logger logger = LoggerFactory.getLogger(this.getClass());
46 * Endpoint for checking that Datafile is alive.
48 * @return HTTP Status Code
50 @RequestMapping(value = "heartbeat", method = RequestMethod.GET)
51 @ApiOperation(value = "Returns liveness of Datafile service")
52 @ApiResponses(value = {
53 @ApiResponse(code = 200, message = "Datafile sevice is living"),
54 @ApiResponse(code = 401, message = "You are not authorized to view the resource"),
55 @ApiResponse(code = 403, message = "Accessing the resource you were trying to reach is forbidden"),
56 @ApiResponse(code = 404, message = "The resource you were trying to reach is not found")
59 public Mono<ResponseEntity<String>> heartbeat() {
60 logger.trace("Receiving heartbeat request");
61 return Mono.defer(() ->
62 Mono.just(new ResponseEntity<>("alive", HttpStatus.OK))