2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 AT&T Intellectual Property and Nokia
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===================================
20 package org.oransc.ric.portal.dashboard.controller;
22 import java.lang.invoke.MethodHandles;
23 import java.util.ArrayList;
24 import java.util.List;
26 import javax.servlet.http.HttpServletResponse;
28 import org.oransc.ric.e2mgr.client.api.HealthCheckApi;
29 import org.oransc.ric.e2mgr.client.api.NodebApi;
30 import org.oransc.ric.e2mgr.client.model.GetNodebResponse;
31 import org.oransc.ric.e2mgr.client.model.NodebIdentity;
32 import org.oransc.ric.e2mgr.client.model.ResetRequest;
33 import org.oransc.ric.e2mgr.client.model.SetupRequest;
34 import org.oransc.ric.portal.dashboard.DashboardApplication;
35 import org.oransc.ric.portal.dashboard.DashboardConstants;
36 import org.oransc.ric.portal.dashboard.model.RanDetailsTransport;
37 import org.oransc.ric.portal.dashboard.model.SuccessTransport;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
40 import org.springframework.beans.factory.annotation.Autowired;
41 import org.springframework.context.annotation.Configuration;
42 import org.springframework.http.MediaType;
43 import org.springframework.security.access.annotation.Secured;
44 import org.springframework.util.Assert;
45 import org.springframework.web.bind.annotation.GetMapping;
46 import org.springframework.web.bind.annotation.PathVariable;
47 import org.springframework.web.bind.annotation.PostMapping;
48 import org.springframework.web.bind.annotation.PutMapping;
49 import org.springframework.web.bind.annotation.RequestBody;
50 import org.springframework.web.bind.annotation.RequestMapping;
51 import org.springframework.web.bind.annotation.RestController;
52 import org.springframework.web.client.HttpStatusCodeException;
54 import io.swagger.annotations.ApiOperation;
57 * Proxies calls from the front end to the E2 Manager API.
59 * If a method throws RestClientResponseException, it is handled by
60 * {@link CustomResponseEntityExceptionHandler#handleProxyMethodException(Exception, org.springframework.web.context.request.WebRequest)}
61 * which returns status 502. All other exceptions are handled by Spring which
66 @RequestMapping(value = E2ManagerController.CONTROLLER_PATH, produces = MediaType.APPLICATION_JSON_VALUE)
67 public class E2ManagerController {
69 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
71 // Publish paths in constants so tests are easy to write
72 public static final String CONTROLLER_PATH = DashboardConstants.ENDPOINT_PREFIX + "/e2mgr";
74 public static final String HEALTH_METHOD = "health";
75 public static final String RAN_METHOD = "/ran";
76 public static final String VERSION_METHOD = DashboardConstants.VERSION_METHOD;
77 // Keep these consistent with the E2M implementation
78 public static final String NODEB_PREFIX = "/nodeb";
79 public static final String NODEB_SHUTDOWN_METHOD = NODEB_PREFIX + "/shutdown";
80 public static final String NODEB_LIST_METHOD = NODEB_PREFIX + "/ids";
81 public static final String RESET_METHOD = "/reset";
82 public static final String ENDC_SETUP_METHOD = NODEB_PREFIX + "/endc-setup";
83 public static final String X2_SETUP_METHOD = NODEB_PREFIX + "/x2-setup";
85 private static final String PP_RANNAME = "ranName";
87 // Populated by the autowired constructor
88 private final HealthCheckApi e2HealthCheckApi;
89 private final NodebApi e2NodebApi;
92 public E2ManagerController(final HealthCheckApi e2HealthCheckApi, final NodebApi e2NodebApi) {
93 Assert.notNull(e2HealthCheckApi, "API must not be null");
94 Assert.notNull(e2NodebApi, "API must not be null");
95 this.e2HealthCheckApi = e2HealthCheckApi;
96 this.e2NodebApi = e2NodebApi;
99 @ApiOperation(value = "Gets the E2 manager client library MANIFEST.MF property Implementation-Version.", response = SuccessTransport.class)
100 @GetMapping(VERSION_METHOD)
102 public SuccessTransport getClientVersion() {
103 return new SuccessTransport(200, DashboardApplication.getImplementationVersion(HealthCheckApi.class));
106 @ApiOperation(value = "Gets the health from the E2 manager, expressed as the response code.")
107 @GetMapping(HEALTH_METHOD)
109 public void healthGet(HttpServletResponse response) {
110 logger.debug("healthGet");
111 e2HealthCheckApi.healthGet();
112 response.setStatus(e2HealthCheckApi.getApiClient().getStatusCode().value());
115 // This calls other methods to simplify the task of the front-end.
116 @ApiOperation(value = "Gets all RAN identities and statuses from the E2 manager.", response = RanDetailsTransport.class, responseContainer = "List")
117 @GetMapping(RAN_METHOD)
118 @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
119 public List<RanDetailsTransport> getRanDetails() {
120 logger.debug("getRanDetails");
121 List<NodebIdentity> nodebIdList = e2NodebApi.getNodebIdList();
122 List<RanDetailsTransport> details = new ArrayList<>();
123 for (NodebIdentity nbid : nodebIdList) {
124 GetNodebResponse nbResp = null;
126 // Catch exceptions to keep looping despite failures
127 nbResp = e2NodebApi.getNb(nbid.getInventoryName());
128 } catch (HttpStatusCodeException ex) {
129 logger.warn("E2 getNb failed for name {}: {}", nbid.getInventoryName(), ex.toString());
130 nbResp = new GetNodebResponse().connectionStatus("UNKNOWN").ip("UNKNOWN").port(-1)
131 .ranName(nbid.getInventoryName());
133 details.add(new RanDetailsTransport(nbid, nbResp));
138 @ApiOperation(value = "Get RAN identities list.", response = NodebIdentity.class, responseContainer = "List")
139 @GetMapping(NODEB_LIST_METHOD)
140 @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
141 public List<NodebIdentity> getNodebIdList() {
142 logger.debug("getNodebIdList");
143 return e2NodebApi.getNodebIdList();
146 @ApiOperation(value = "Get RAN by name.", response = GetNodebResponse.class)
147 @GetMapping(NODEB_SHUTDOWN_METHOD + "/{" + PP_RANNAME + "}")
148 @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
149 public GetNodebResponse getNb(@PathVariable(PP_RANNAME) String ranName) {
150 logger.debug("getNb {}", ranName);
151 return e2NodebApi.getNb(ranName);
154 @ApiOperation(value = "Sets up an EN-DC RAN connection via the E2 manager.")
155 @PostMapping(ENDC_SETUP_METHOD)
156 @Secured({ DashboardConstants.ROLE_ADMIN })
157 public void endcSetup(@RequestBody SetupRequest setupRequest, HttpServletResponse response) {
158 logger.debug("endcSetup {}", setupRequest);
159 e2NodebApi.endcSetup(setupRequest);
160 response.setStatus(e2NodebApi.getApiClient().getStatusCode().value());
163 @ApiOperation(value = "Sets up an X2 RAN connection via the E2 manager.")
164 @PostMapping(X2_SETUP_METHOD)
165 @Secured({ DashboardConstants.ROLE_ADMIN })
166 public void x2Setup(@RequestBody SetupRequest setupRequest, HttpServletResponse response) {
167 logger.debug("x2Setup {}", setupRequest);
168 e2NodebApi.x2Setup(setupRequest);
169 response.setStatus(e2NodebApi.getApiClient().getStatusCode().value());
172 @ApiOperation(value = "Close all connections to the RANs and delete the data from the nodeb-rnib DB.")
173 @PutMapping(NODEB_SHUTDOWN_METHOD)
174 @Secured({ DashboardConstants.ROLE_ADMIN })
175 public void nodebShutdownPut(HttpServletResponse response) {
176 logger.debug("nodebShutdownPut");
177 e2NodebApi.nodebShutdownPut();
178 response.setStatus(e2NodebApi.getApiClient().getStatusCode().value());
181 @ApiOperation(value = "Abort any other ongoing procedures over X2 between the RIC and the RAN.")
182 @PutMapping(NODEB_PREFIX + "/{" + PP_RANNAME + "}"+ RESET_METHOD)
183 @Secured({ DashboardConstants.ROLE_ADMIN })
184 public void reset(@PathVariable(PP_RANNAME) String ranName, @RequestBody ResetRequest resetRequest,
185 HttpServletResponse response) {
186 logger.debug("reset");
187 e2NodebApi.reset(ranName, resetRequest);
188 response.setStatus(e2NodebApi.getApiClient().getStatusCode().value());