2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Modifications Copyright (c) 2019 Samsung
8 * ================================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 * ============LICENSE_END=========================================================
23 package org.onap.so.apihandlerinfra;
27 import java.util.Collections;
29 import org.slf4j.Logger;
30 import org.slf4j.LoggerFactory;
31 import org.springframework.http.MediaType;
32 import org.springframework.http.ResponseEntity;
34 import javax.annotation.PostConstruct;
35 import javax.transaction.Transactional;
36 import javax.ws.rs.DefaultValue;
37 import javax.ws.rs.GET;
38 import javax.ws.rs.Path;
39 import javax.ws.rs.Produces;
40 import javax.ws.rs.QueryParam;
41 import javax.ws.rs.container.ContainerRequestContext;
42 import javax.ws.rs.core.Context;
43 import javax.ws.rs.core.Response;
44 import javax.ws.rs.core.UriBuilder;
46 import org.apache.http.HttpStatus;
47 import org.onap.so.logger.MessageEnum;
48 import org.onap.so.logger.MsoLogger;
49 import org.springframework.beans.factory.annotation.Autowired;
50 import org.springframework.core.env.Environment;
51 import org.springframework.http.HttpEntity;
52 import org.springframework.http.HttpHeaders;
53 import org.springframework.stereotype.Component;
54 import org.springframework.web.client.RestTemplate;
55 import org.springframework.http.HttpMethod;
56 import io.swagger.annotations.Api;
57 import io.swagger.annotations.ApiOperation;
61 @Path("/globalhealthcheck")
62 @Api(value="/globalhealthcheck",description="APIH Infra Global Health Check")
63 public class GlobalHealthcheckHandler {
64 private static Logger logger = LoggerFactory.getLogger(GlobalHealthcheckHandler.class);
65 private static final String CONTEXTPATH_PROPERTY = "management.context-path";
66 private static final String PROPERTY_DOMAIN = "mso.health.endpoints";
67 private static final String CATALOGDB_PROPERTY = PROPERTY_DOMAIN + ".catalogdb";
68 private static final String REQUESTDB_PROPERTY = PROPERTY_DOMAIN + ".requestdb";
69 private static final String SDNC_PROPERTY = PROPERTY_DOMAIN + ".sdnc";
70 private static final String OPENSTACK_PROPERTY = PROPERTY_DOMAIN + ".openstack";
71 private static final String BPMN_PROPERTY = PROPERTY_DOMAIN + ".bpmn";
72 private static final String ASDC_PROPERTY = PROPERTY_DOMAIN + ".asdc";
73 private static final String REQUESTDBATTSVC_PROPERTY = PROPERTY_DOMAIN + ".requestdbattsvc";
74 private static final String DEFAULT_PROPERTY_VALUE = "";
77 private String actuatorContextPath;
78 private String endpointCatalogdb;
79 private String endpointRequestdb;
80 private String endpointSdnc;
81 private String endpointOpenstack;
82 private String endpointBpmn;
83 private String endpointAsdc;
84 private String endpointRequestdbAttsvc;
87 private Environment env;
90 private RestTemplate restTemplate;
91 private final String health = "/health";
95 protected void init() {
96 actuatorContextPath = env.getProperty(CONTEXTPATH_PROPERTY, String.class, DEFAULT_PROPERTY_VALUE);
97 endpointCatalogdb = env.getProperty(CATALOGDB_PROPERTY, String.class, DEFAULT_PROPERTY_VALUE);
98 endpointRequestdb = env.getProperty(REQUESTDB_PROPERTY, String.class, DEFAULT_PROPERTY_VALUE);
99 endpointSdnc = env.getProperty(SDNC_PROPERTY, String.class, DEFAULT_PROPERTY_VALUE);
100 endpointOpenstack = env.getProperty(OPENSTACK_PROPERTY, String.class, DEFAULT_PROPERTY_VALUE);
101 endpointBpmn = env.getProperty(BPMN_PROPERTY, String.class, DEFAULT_PROPERTY_VALUE);
102 endpointAsdc = env.getProperty(ASDC_PROPERTY, String.class, DEFAULT_PROPERTY_VALUE);
103 endpointRequestdbAttsvc = env.getProperty(REQUESTDBATTSVC_PROPERTY, String.class, DEFAULT_PROPERTY_VALUE);
107 @Produces("application/json")
108 @ApiOperation(value="Performing global health check",response=Response.class)
110 public Response globalHealthcheck (@DefaultValue("true") @QueryParam("enableBpmn") boolean enableBpmn,
111 @Context ContainerRequestContext requestContext) {
112 Response HEALTH_CHECK_RESPONSE = null;
113 // Build internal response object
114 HealthcheckResponse rsp = new HealthcheckResponse();
117 // Generated RequestId
118 String requestId = requestContext.getProperty("requestId").toString();
119 MsoLogger.setLogContext(requestId, null);
120 logger.info("{} {}", MessageEnum.APIH_GENERATED_REQUEST_ID.toString(), requestId);
122 // set APIH status, this is the main entry point
123 rsp.setApih(HealthcheckStatus.UP.toString());
125 rsp.setBpmn(querySubsystemHealth(MsoSubsystems.BPMN));
127 rsp.setSdncAdapter(querySubsystemHealth(MsoSubsystems.SDNC));
128 // set ASDCController
129 rsp.setAsdcController(querySubsystemHealth(MsoSubsystems.ASDC));
130 // set CatalogDbAdapter
131 rsp.setCatalogdbAdapter(querySubsystemHealth(MsoSubsystems.CATALOGDB));
132 // set RequestDbAdapter
133 rsp.setRequestdbAdapter(querySubsystemHealth(MsoSubsystems.REQUESTDB));
134 // set OpenStackAdapter
135 rsp.setOpenstackAdapter(querySubsystemHealth(MsoSubsystems.OPENSTACK));
136 // set RequestDbAdapterAttSvc
137 rsp.setRequestdbAdapterAttsvc(querySubsystemHealth(MsoSubsystems.REQUESTDBATT));
139 rsp.setMessage(String.format("HttpStatus: %s", HttpStatus.SC_OK));
140 logger.info(rsp.toString());
142 HEALTH_CHECK_RESPONSE = Response.status (HttpStatus.SC_OK)
146 }catch (Exception ex){
147 logger.error("Exception occurred", ex);
148 rsp.setMessage(ex.getMessage());
149 HEALTH_CHECK_RESPONSE = Response.status (HttpStatus.SC_INTERNAL_SERVER_ERROR)
154 return HEALTH_CHECK_RESPONSE;
157 protected HttpEntity<String> buildHttpEntityForRequest(){
158 HttpHeaders headers = new HttpHeaders();
159 headers.setAccept(Collections.singletonList(MediaType.APPLICATION_JSON));
160 headers.set("Content-Type", "application/json");
161 HttpEntity<String> entity = new HttpEntity<>("parameters", headers);
165 protected String querySubsystemHealth(MsoSubsystems subsystem){
167 // get port number for the subsystem
168 String ept = getEndpointUrlForSubsystemEnum(subsystem);
170 // build final endpoint url
171 UriBuilder builder = UriBuilder.fromPath(ept).path(actuatorContextPath).path(health);
172 URI uri = builder.build();
173 logger.info("Calculated URL: {}", uri.toString());
175 ResponseEntity<SubsystemHealthcheckResponse> result =
176 restTemplate.exchange(uri, HttpMethod.GET, buildHttpEntityForRequest(), SubsystemHealthcheckResponse.class);
178 return processResponseFromSubsystem(result,subsystem);
180 }catch(Exception ex){
181 logger.error("Exception occured in GlobalHealthcheckHandler.querySubsystemHealth() ", ex);
182 return HealthcheckStatus.DOWN.toString();
185 protected String processResponseFromSubsystem(ResponseEntity<SubsystemHealthcheckResponse> result, MsoSubsystems subsystem){
186 if(result == null || result.getStatusCodeValue() != HttpStatus.SC_OK){
187 logger.error(String.format("Globalhealthcheck: checking subsystem: %s failed ! result object is: %s",
189 result == null? "NULL": result));
190 return HealthcheckStatus.DOWN.toString();
193 SubsystemHealthcheckResponse body = result.getBody();
195 String status = body.getStatus();
196 if("UP".equalsIgnoreCase(status)){
197 return HealthcheckStatus.UP.toString();
199 logger.error("{}, query health endpoint did not return UP status!", subsystem);
200 return HealthcheckStatus.DOWN.toString();
205 protected String getEndpointUrlForSubsystemEnum(MsoSubsystems subsystem){
208 return this.endpointSdnc;
210 return this.endpointAsdc;
212 return this.endpointBpmn;
214 return this.endpointCatalogdb;
216 return this.endpointOpenstack;
218 return this.endpointRequestdb;
220 return this.endpointRequestdbAttsvc;