webapp-backend/src/main/java/org/oransc/ric/portal/dashboard/controller/AnrXappController.java

   1 /*-
   2  * ========================LICENSE_START=================================
   3  * O-RAN-SC
   4  * %%
   5  * Copyright (C) 2019 AT&T Intellectual Property and Nokia
   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
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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===================================
  19  */
  20 package org.oransc.ric.portal.dashboard.controller;
  21
  22 import java.lang.invoke.MethodHandles;
  23
  24 import javax.servlet.http.HttpServletResponse;
  25
  26 import org.oransc.ric.anrxapp.client.api.HealthApi;
  27 import org.oransc.ric.anrxapp.client.api.NcrtApi;
  28 import org.oransc.ric.anrxapp.client.model.GgNodeBTable;
  29 import org.oransc.ric.anrxapp.client.model.NeighborCellRelationMod;
  30 import org.oransc.ric.anrxapp.client.model.NeighborCellRelationTable;
  31 import org.oransc.ric.portal.dashboard.DashboardApplication;
  32 import org.oransc.ric.portal.dashboard.DashboardConstants;
  33 import org.oransc.ric.portal.dashboard.model.SuccessTransport;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36 import org.springframework.beans.factory.annotation.Autowired;
  37 import org.springframework.context.annotation.Configuration;
  38 import org.springframework.http.MediaType;
  39 import org.springframework.security.access.annotation.Secured;
  40 import org.springframework.util.Assert;
  41 import org.springframework.web.bind.annotation.DeleteMapping;
  42 import org.springframework.web.bind.annotation.GetMapping;
  43 import org.springframework.web.bind.annotation.PathVariable;
  44 import org.springframework.web.bind.annotation.PutMapping;
  45 import org.springframework.web.bind.annotation.RequestBody;
  46 import org.springframework.web.bind.annotation.RequestMapping;
  47 import org.springframework.web.bind.annotation.RequestParam;
  48 import org.springframework.web.bind.annotation.RestController;
  49
  50 import io.swagger.annotations.ApiOperation;
  51
  52 /**
  53  * Proxies calls from the front end to the ANR xApp, which manages a Neighbor
  54  * Cell Relation Table (NCRT).
  55  *
  56  * If a method throws RestClientResponseException, it is handled by
  57  * {@link CustomResponseEntityExceptionHandler#handleProxyMethodException(Exception, org.springframework.web.context.request.WebRequest)}
  58  * which returns status 502. All other exceptions are handled by Spring which
  59  * returns status 500.
  60  */
  61 @Configuration
  62 @RestController
  63 @RequestMapping(value = AnrXappController.CONTROLLER_PATH, produces = MediaType.APPLICATION_JSON_VALUE)
  64 public class AnrXappController {
  65
  66         private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  67
  68         // Publish paths in constants so tests are easy to write
  69         public static final String CONTROLLER_PATH = DashboardConstants.ENDPOINT_PREFIX + "/xapp/anr";
  70         // Endpoints
  71         public static final String HEALTH_ALIVE_METHOD = "/health/alive";
  72         public static final String HEALTH_READY_METHOD = "/health/ready";
  73         public static final String GNODEBS_METHOD = "/gnodebs";
  74         public static final String NCRT_METHOD = "/ncrt";
  75         public static final String VERSION_METHOD = DashboardConstants.VERSION_METHOD;
  76
  77         // Path parameters
  78         public static final String PP_SERVING = "servingcells";
  79         public static final String PP_NEIGHBOR = "neighborcells";
  80
  81         // Populated by the autowired constructor
  82         private final HealthApi healthApi;
  83         private final NcrtApi ncrtApi;
  84
  85         @Autowired
  86         public AnrXappController(final HealthApi anrHealthApi, final NcrtApi anrNcrtApi) {
  87                 Assert.notNull(anrHealthApi, "API must not be null");
  88                 Assert.notNull(anrNcrtApi, "API must not be null");
  89                 this.healthApi = anrHealthApi;
  90                 this.ncrtApi = anrNcrtApi;
  91                 if (logger.isDebugEnabled())
  92                         logger.debug("ctor: configured with client types {} and {}", anrHealthApi.getClass().getName(),
  93                                         anrNcrtApi.getClass().getName());
  94         }
  95
  96         @ApiOperation(value = "Gets the ANR client library MANIFEST.MF property Implementation-Version.", response = SuccessTransport.class)
  97         @GetMapping(VERSION_METHOD)
  98         // No role required
  99         public SuccessTransport getClientVersion() {
 100                 return new SuccessTransport(200, DashboardApplication.getImplementationVersion(HealthApi.class));
 101         }
 102
 103         @ApiOperation(value = "Performs a liveness probe on the ANR xApp, result expressed as the response code.")
 104         @GetMapping(HEALTH_ALIVE_METHOD)
 105         // No role required
 106         public void getHealthAlive(HttpServletResponse response) {
 107                 logger.debug("getHealthAlive");
 108                 healthApi.getHealthAlive();
 109                 response.setStatus(healthApi.getApiClient().getStatusCode().value());
 110         }
 111
 112         @ApiOperation(value = "Performs a readiness probe on the ANR xApp, result expressed as the response code.")
 113         @GetMapping(HEALTH_READY_METHOD)
 114         // No role required
 115         public void getHealthReady(HttpServletResponse response) {
 116                 logger.debug("getHealthReady");
 117                 healthApi.getHealthReady();
 118                 response.setStatus(healthApi.getApiClient().getStatusCode().value());
 119         }
 120
 121         @ApiOperation(value = "Returns list of gNodeB IDs based on NCRT in ANR", response = GgNodeBTable.class)
 122         @GetMapping(GNODEBS_METHOD)
 123         @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
 124         public GgNodeBTable getGnodebs() {
 125                 logger.debug("getGnodebs");
 126                 return ncrtApi.getgNodeB();
 127         }
 128
 129         @ApiOperation(value = "Returns neighbor cell relation table for all gNodeBs or based on query parameters", response = NeighborCellRelationTable.class)
 130         @GetMapping(NCRT_METHOD)
 131         @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
 132         public NeighborCellRelationTable getNcrt( //
 133                         @RequestParam(required = false) String ggnodeb, //
 134                         @RequestParam(required = false) String servingCellNrcgi, //
 135                         @RequestParam(required = false) String neighborCellNrpci) {
 136                 logger.debug("getNcrt: ggnbid {}, servingCellNrpci {}, neighborCellNrcgi {}", ggnodeb, servingCellNrcgi,
 137                                 neighborCellNrpci);
 138                 return ncrtApi.getNcrt(ggnodeb, servingCellNrcgi, neighborCellNrpci);
 139         }
 140
 141         // /ncrt/servingcells/{servCellNrcgi}/neighborcells/{neighCellNrpci} :
 142         @ApiOperation(value = "Modify neighbor cell relation based on Serving Cell NRCGI and Neighbor Cell NRPCI")
 143         @PutMapping(NCRT_METHOD + "/" + PP_SERVING + "/{" + PP_SERVING + "}/" + PP_NEIGHBOR + "/{" + PP_NEIGHBOR + "}")
 144         @Secured({ DashboardConstants.ROLE_ADMIN })
 145         public void modifyNcrt(@PathVariable(PP_SERVING) String servingCellNrcgi, //
 146                         @PathVariable(PP_NEIGHBOR) String neighborCellNrpci, //
 147                         @RequestBody NeighborCellRelationMod ncrMod, HttpServletResponse response) {
 148                 logger.debug("modifyNcrt: servingCellNrcgi {}, neighborCellNrpci {}, ncrMod {}", servingCellNrcgi,
 149                                 neighborCellNrpci, ncrMod);
 150                 ncrtApi.modifyNcrt(servingCellNrcgi, neighborCellNrpci, ncrMod);
 151                 response.setStatus(healthApi.getApiClient().getStatusCode().value());
 152         }
 153
 154         @ApiOperation(value = "Delete neighbor cell relation based on Serving Cell NRCGI and Neighbor Cell NRPCI")
 155         @DeleteMapping(NCRT_METHOD + "/" + PP_SERVING + "/{" + PP_SERVING + "}/" + PP_NEIGHBOR + "/{" + PP_NEIGHBOR + "}")
 156         @Secured({ DashboardConstants.ROLE_ADMIN })
 157         public void deleteNcrt(@PathVariable(PP_SERVING) String servingCellNrcgi, //
 158                         @PathVariable(PP_NEIGHBOR) String neighborCellNrpci, //
 159                         HttpServletResponse response) {
 160                 logger.debug("deleteNcrt: servingCellNrcgi {}, neighborCellNrpci {}", servingCellNrcgi, neighborCellNrpci);
 161                 ncrtApi.deleteNcrt(servingCellNrcgi, neighborCellNrpci);
 162                 response.setStatus(healthApi.getApiClient().getStatusCode().value());
 163         }
 164
 165 }