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.SetupRequest;
33 import org.oransc.ric.portal.dashboard.DashboardApplication;
34 import org.oransc.ric.portal.dashboard.DashboardConstants;
35 import org.oransc.ric.portal.dashboard.model.RanDetailsTransport;
36 import org.oransc.ric.portal.dashboard.model.SuccessTransport;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
39 import org.springframework.beans.factory.annotation.Autowired;
40 import org.springframework.context.annotation.Configuration;
41 import org.springframework.http.MediaType;
42 import org.springframework.util.Assert;
43 import org.springframework.web.bind.annotation.DeleteMapping;
44 import org.springframework.web.bind.annotation.GetMapping;
45 import org.springframework.web.bind.annotation.PathVariable;
46 import org.springframework.web.bind.annotation.PostMapping;
47 import org.springframework.web.bind.annotation.RequestBody;
48 import org.springframework.web.bind.annotation.RequestMapping;
49 import org.springframework.web.bind.annotation.RestController;
50 import org.springframework.web.client.HttpStatusCodeException;
52 import io.swagger.annotations.ApiOperation;
55 * Proxies calls from the front end to the E2 Manager API. All methods answer
56 * 502 on failure and wrap the remote details: <blockquote>HTTP server received
57 * an invalid response from a server it consulted when acting as a proxy or
58 * gateway.</blockquote>
62 @RequestMapping(value = E2ManagerController.CONTROLLER_PATH, produces = MediaType.APPLICATION_JSON_VALUE)
63 public class E2ManagerController {
65 private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
67 // Publish paths in constants so tests are easy to write
68 public static final String CONTROLLER_PATH = DashboardConstants.ENDPOINT_PREFIX + "/e2mgr";
70 public static final String HEALTH_METHOD = "health";
71 public static final String NODEB_METHOD = "/nodeb";
72 public static final String NODEB_LIST_METHOD = "/nodeb-ids";
73 public static final String RAN_METHOD = "/ran";
74 public static final String ENDC_SETUP_METHOD = "/endcSetup";
75 public static final String X2_SETUP_METHOD = "/x2Setup";
76 public static final String VERSION_METHOD = DashboardConstants.VERSION_METHOD;
78 private static final String PP_RANNAME = "ranName";
80 // Populated by the autowired constructor
81 private final HealthCheckApi e2HealthCheckApi;
82 private final NodebApi e2NodebApi;
85 public E2ManagerController(final HealthCheckApi e2HealthCheckApi, final NodebApi e2NodebApi) {
86 Assert.notNull(e2HealthCheckApi, "API must not be null");
87 Assert.notNull(e2NodebApi, "API must not be null");
88 this.e2HealthCheckApi = e2HealthCheckApi;
89 this.e2NodebApi = e2NodebApi;
92 @ApiOperation(value = "Gets the E2 manager client library MANIFEST.MF property Implementation-Version.", response = SuccessTransport.class)
93 @GetMapping(VERSION_METHOD)
94 public SuccessTransport getClientVersion() {
95 return new SuccessTransport(200, DashboardApplication.getImplementationVersion(HealthCheckApi.class));
98 @ApiOperation(value = "Gets the health from the E2 manager, expressed as the response code.")
99 @GetMapping(HEALTH_METHOD)
100 public void healthGet(HttpServletResponse response) {
101 logger.debug("healthGet");
102 e2HealthCheckApi.healthGet();
103 response.setStatus(e2HealthCheckApi.getApiClient().getStatusCode().value());
106 // This calls other methods to simplify the task of the front-end.
107 @ApiOperation(value = "Gets all RAN identities and statuses from the E2 manager.", response = RanDetailsTransport.class, responseContainer = "List")
108 @GetMapping(RAN_METHOD)
109 public List<RanDetailsTransport> getRanDetails() {
110 logger.debug("getRanDetails");
111 List<NodebIdentity> nodebIdList = e2NodebApi.getNodebIdList();
112 List<RanDetailsTransport> details = new ArrayList<>();
113 for (NodebIdentity nbid : nodebIdList) {
114 GetNodebResponse nbResp = null;
116 // Catch exceptions to keep looping despite failures
117 nbResp = e2NodebApi.getNb(nbid.getInventoryName());
118 } catch (HttpStatusCodeException ex) {
119 logger.warn("E2 getNb failed for name {}: {}", nbid.getInventoryName(), ex.toString());
120 nbResp = new GetNodebResponse().connectionStatus("UNKNOWN").ip("UNKNOWN").port(-1)
121 .ranName(nbid.getInventoryName());
123 details.add(new RanDetailsTransport(nbid, nbResp));
128 @ApiOperation(value = "Get RAN identities list.", response = NodebIdentity.class, responseContainer = "List")
129 @GetMapping(NODEB_LIST_METHOD)
130 public List<NodebIdentity> getNodebIdList() {
131 logger.debug("getNodebIdList");
132 return e2NodebApi.getNodebIdList();
135 @ApiOperation(value = "Get RAN by name.", response = GetNodebResponse.class)
136 @GetMapping(NODEB_METHOD + "/{" + PP_RANNAME + "}")
137 public GetNodebResponse getNb(@PathVariable(PP_RANNAME) String ranName) {
138 logger.debug("getNb {}", ranName);
139 return e2NodebApi.getNb(ranName);
142 @ApiOperation(value = "Close all connections to the RANs and delete the data from the nodeb-rnib DB.")
143 @DeleteMapping(NODEB_METHOD)
144 public void nodebDelete(HttpServletResponse response) {
145 logger.debug("nodebDelete");
146 e2NodebApi.nodebDelete();
147 response.setStatus(e2NodebApi.getApiClient().getStatusCode().value());
150 @ApiOperation(value = "Sets up an EN-DC RAN connection via the E2 manager.")
151 @PostMapping(ENDC_SETUP_METHOD)
152 public void endcSetup(@RequestBody SetupRequest setupRequest, HttpServletResponse response) {
153 logger.debug("endcSetup {}", setupRequest);
154 e2NodebApi.endcSetup(setupRequest);
155 response.setStatus(e2NodebApi.getApiClient().getStatusCode().value());
158 @ApiOperation(value = "Sets up an X2 RAN connection via the E2 manager.")
159 @PostMapping(X2_SETUP_METHOD)
160 public void x2Setup(@RequestBody SetupRequest setupRequest, HttpServletResponse response) {
161 logger.debug("x2Setup {}", setupRequest);
162 e2NodebApi.x2Setup(setupRequest);
163 response.setStatus(e2NodebApi.getApiClient().getStatusCode().value());