--- /dev/null
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+package org.oransc.ric.portal.dashboard.controller;
+
+import java.lang.invoke.MethodHandles;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.servlet.http.HttpServletResponse;
+
+import org.oransc.ric.e2mgr.client.api.HealthCheckApi;
+import org.oransc.ric.e2mgr.client.api.NodebApi;
+import org.oransc.ric.e2mgr.client.model.GetNodebResponse;
+import org.oransc.ric.e2mgr.client.model.NodebIdentity;
+import org.oransc.ric.e2mgr.client.model.ResetRequest;
+import org.oransc.ric.e2mgr.client.model.SetupRequest;
+import org.oransc.ric.portal.dashboard.DashboardApplication;
+import org.oransc.ric.portal.dashboard.DashboardConstants;
+import org.oransc.ric.portal.dashboard.config.E2ManagerApiBuilder;
+import org.oransc.ric.portal.dashboard.model.RanDetailsTransport;
+import org.oransc.ric.portal.dashboard.model.SuccessTransport;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.MediaType;
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.util.Assert;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.client.HttpStatusCodeException;
+
+import io.swagger.annotations.ApiOperation;
+
+/**
+ * Proxies calls from the front end to the E2 Manager API.
+ *
+ * If a method throws RestClientResponseException, it is handled by
+ * {@link CustomResponseEntityExceptionHandler#handleProxyMethodException(Exception, org.springframework.web.context.request.WebRequest)}
+ * which returns status 502. All other exceptions are handled by Spring which
+ * returns status 500.
+ */
+@Configuration
+@RestController
+@RequestMapping(value = E2ManagerController.CONTROLLER_PATH, produces = MediaType.APPLICATION_JSON_VALUE)
+public class E2ManagerController {
+
+ private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+ // Publish paths in constants for tests
+ public static final String CONTROLLER_PATH = DashboardConstants.ENDPOINT_PREFIX + "/e2mgr";
+ // Dashboard only
+ public static final String HEALTH_METHOD = "health";
+ // Keep these consistent with the E2M implementation
+ /* package */ static final String NODEB_PREFIX = "nodeb";
+ public static final String RAN_METHOD = NODEB_PREFIX + "/ran";
+ public static final String NODEB_SHUTDOWN_METHOD = NODEB_PREFIX + "/shutdown";
+ public static final String NODEB_LIST_METHOD = NODEB_PREFIX + "/ids";
+ public static final String ENDC_SETUP_METHOD = NODEB_PREFIX + "/endc-setup";
+ public static final String X2_SETUP_METHOD = NODEB_PREFIX + "/x2-setup";
+ // Reset uses prefix, adds a path parameter below
+ public static final String RESET_METHOD = "reset";
+ // Path parameters
+ private static final String PP_RANNAME = "ranName";
+
+ // Populated by the autowired constructor
+ private final E2ManagerApiBuilder e2ManagerApiBuilder;
+
+ @Autowired
+ public E2ManagerController(final E2ManagerApiBuilder e2ManagerApiBuilder) {
+ Assert.notNull(e2ManagerApiBuilder, "builder must not be null");
+ this.e2ManagerApiBuilder = e2ManagerApiBuilder;
+ if (logger.isDebugEnabled())
+ logger.debug("ctor: configured with builder type {}", e2ManagerApiBuilder.getClass().getName());
+ }
+
+ @ApiOperation(value = "Gets the E2 manager client library MANIFEST.MF property Implementation-Version.", response = SuccessTransport.class)
+ @GetMapping(DashboardConstants.VERSION_METHOD)
+ // No role required
+ public SuccessTransport getClientVersion() {
+ return new SuccessTransport(200, DashboardApplication.getImplementationVersion(HealthCheckApi.class));
+ }
+
+ @ApiOperation(value = "Gets the health from the E2 manager, expressed as the response code.")
+ @GetMapping(DashboardConstants.RIC_INSTANCE_KEY + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/" + HEALTH_METHOD)
+ // No role required
+ public void healthGet(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey,
+ HttpServletResponse response) {
+ logger.debug("healthGet instance {}", instanceKey);
+ HealthCheckApi api = e2ManagerApiBuilder.getHealthCheckApi(instanceKey);
+ api.healthGet();
+ response.setStatus(api.getApiClient().getStatusCode().value());
+ }
+
+ // This calls other methods to simplify the task of the front-end.
+ @ApiOperation(value = "Gets all RAN identities and statuses from the E2 manager.", response = RanDetailsTransport.class, responseContainer = "List")
+ @GetMapping(DashboardConstants.RIC_INSTANCE_KEY + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/" + RAN_METHOD)
+ @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
+ public List<RanDetailsTransport> getRanDetails(
+ @PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey) {
+ logger.debug("getRanDetails instance {}", instanceKey);
+ NodebApi api = e2ManagerApiBuilder.getNodebApi(instanceKey);
+ List<NodebIdentity> nodebIdList = api.getNodebIdList();
+ logger.debug("getRanDetails: nodebIdList {}", nodebIdList);
+ List<RanDetailsTransport> details = new ArrayList<>();
+ for (NodebIdentity nbid : nodebIdList) {
+ GetNodebResponse nbResp = null;
+ try {
+ // Catch exceptions to keep looping despite failures
+ nbResp = api.getNb(nbid.getInventoryName());
+ } catch (HttpStatusCodeException ex) {
+ logger.warn("E2 getNb failed for name {}: {}", nbid.getInventoryName(), ex.toString());
+ nbResp = new GetNodebResponse().connectionStatus("UNKNOWN").ip("UNKNOWN").port(-1)
+ .ranName(nbid.getInventoryName());
+ }
+ details.add(new RanDetailsTransport(nbid, nbResp));
+ }
+ return details;
+ }
+
+ @ApiOperation(value = "Get RAN identities list.", response = NodebIdentity.class, responseContainer = "List")
+ @GetMapping(DashboardConstants.RIC_INSTANCE_KEY + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/"
+ + NODEB_LIST_METHOD)
+ @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
+ public List<NodebIdentity> getNodebIdList(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey) {
+ logger.debug("getNodebIdList instance {}", instanceKey);
+ return e2ManagerApiBuilder.getNodebApi(instanceKey).getNodebIdList();
+ }
+
+ @ApiOperation(value = "Get RAN by name.", response = GetNodebResponse.class)
+ @GetMapping(DashboardConstants.RIC_INSTANCE_KEY + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/" + NODEB_PREFIX
+ + "/{" + PP_RANNAME + "}")
+ @Secured({ DashboardConstants.ROLE_ADMIN, DashboardConstants.ROLE_STANDARD })
+ public GetNodebResponse getNb(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey,
+ @PathVariable(PP_RANNAME) String ranName) {
+ logger.debug("getNb instance {} name {}", instanceKey, ranName);
+ return e2ManagerApiBuilder.getNodebApi(instanceKey).getNb(ranName);
+ }
+
+ @ApiOperation(value = "Sets up an EN-DC RAN connection via the E2 manager.")
+ @PostMapping(DashboardConstants.RIC_INSTANCE_KEY + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/"
+ + ENDC_SETUP_METHOD)
+ @Secured({ DashboardConstants.ROLE_ADMIN })
+ public void endcSetup(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey,
+ @RequestBody SetupRequest setupRequest, HttpServletResponse response) {
+ logger.debug("endcSetup instance {} request {}", instanceKey, setupRequest);
+ NodebApi api = e2ManagerApiBuilder.getNodebApi(instanceKey);
+ api.endcSetup(setupRequest);
+ response.setStatus(api.getApiClient().getStatusCode().value());
+ }
+
+ @ApiOperation(value = "Sets up an X2 RAN connection via the E2 manager.")
+ @PostMapping(DashboardConstants.RIC_INSTANCE_KEY + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/"
+ + X2_SETUP_METHOD)
+ @Secured({ DashboardConstants.ROLE_ADMIN })
+ public void x2Setup(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey,
+ @RequestBody SetupRequest setupRequest, HttpServletResponse response) {
+ logger.debug("x2Setup instance {} request {}", instanceKey, setupRequest);
+ NodebApi api = e2ManagerApiBuilder.getNodebApi(instanceKey);
+ api.x2Setup(setupRequest);
+ response.setStatus(api.getApiClient().getStatusCode().value());
+ }
+
+ @ApiOperation(value = "Close all connections to the RANs and delete the data from the nodeb-rnib DB.")
+ @PutMapping(DashboardConstants.RIC_INSTANCE_KEY + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/"
+ + NODEB_SHUTDOWN_METHOD)
+ @Secured({ DashboardConstants.ROLE_ADMIN })
+ public void nodebShutdownPut(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey,
+ HttpServletResponse response) {
+ logger.debug("nodebShutdownPut instance {}", instanceKey);
+ NodebApi api = e2ManagerApiBuilder.getNodebApi(instanceKey);
+ api.nodebShutdownPut();
+ response.setStatus(api.getApiClient().getStatusCode().value());
+ }
+
+ @ApiOperation(value = "Abort any other ongoing procedures over X2 between the RIC and the RAN.")
+ @PutMapping(DashboardConstants.RIC_INSTANCE_KEY + "/{" + DashboardConstants.RIC_INSTANCE_KEY + "}/" + NODEB_PREFIX
+ + "/{" + PP_RANNAME + "}/" + RESET_METHOD)
+ @Secured({ DashboardConstants.ROLE_ADMIN })
+ public void reset(@PathVariable(DashboardConstants.RIC_INSTANCE_KEY) String instanceKey,
+ @PathVariable(PP_RANNAME) String ranName, @RequestBody ResetRequest resetRequest,
+ HttpServletResponse response) {
+ logger.debug("reset instance {} name {}", instanceKey, ranName);
+ NodebApi api = e2ManagerApiBuilder.getNodebApi(instanceKey);
+ api.reset(ranName, resetRequest);
+ response.setStatus(api.getApiClient().getStatusCode().value());
+ }
+
+}