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Diffstat (limited to 'dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/java/org/onap/cps/ncmp/dmi/rest/stub/controller/DmiRestStubController.java')
| -rw-r--r-- | dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/java/org/onap/cps/ncmp/dmi/rest/stub/controller/DmiRestStubController.java | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/java/org/onap/cps/ncmp/dmi/rest/stub/controller/DmiRestStubController.java b/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/java/org/onap/cps/ncmp/dmi/rest/stub/controller/DmiRestStubController.java new file mode 100644 index 000000000..b7e67d755 --- /dev/null +++ b/dmi-plugin-demo-and-csit-stub/dmi-plugin-demo-and-csit-stub-service/src/main/java/org/onap/cps/ncmp/dmi/rest/stub/controller/DmiRestStubController.java @@ -0,0 +1,180 @@ +/* + * ============LICENSE_START======================================================= + * Copyright (C) 2023 Nordix Foundation + * ================================================================================ + * 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. + * + * SPDX-License-Identifier: Apache-2.0 + * ============LICENSE_END========================================================= + */ + +package org.onap.cps.ncmp.dmi.rest.stub.controller; + +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import io.cloudevents.CloudEvent; +import io.cloudevents.core.builder.CloudEventBuilder; +import java.net.URI; +import java.util.ArrayList; +import java.util.List; +import java.util.UUID; +import java.util.stream.Collectors; +import lombok.RequiredArgsConstructor; +import lombok.extern.slf4j.Slf4j; +import org.json.simple.parser.JSONParser; +import org.json.simple.parser.ParseException; +import org.onap.cps.ncmp.api.NcmpEventResponseCode; +import org.onap.cps.ncmp.api.impl.utils.EventDateTimeFormatter; +import org.onap.cps.ncmp.dmi.rest.stub.model.data.operational.CmHandle; +import org.onap.cps.ncmp.dmi.rest.stub.model.data.operational.DataOperationRequest; +import org.onap.cps.ncmp.dmi.rest.stub.model.data.operational.ResourceDataOperationRequests; +import org.onap.cps.ncmp.dmi.rest.stub.utils.ResourceFileReaderUtil; +import org.onap.cps.ncmp.events.async1_0_0.Data; +import org.onap.cps.ncmp.events.async1_0_0.DataOperationEvent; +import org.onap.cps.ncmp.events.async1_0_0.Response; +import org.springframework.beans.factory.annotation.Value; +import org.springframework.context.ApplicationContext; +import org.springframework.core.io.ResourceLoader; +import org.springframework.http.HttpStatus; +import org.springframework.http.ResponseEntity; +import org.springframework.kafka.core.KafkaTemplate; +import org.springframework.web.bind.annotation.PathVariable; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestBody; +import org.springframework.web.bind.annotation.RequestMapping; +import org.springframework.web.bind.annotation.RequestParam; +import org.springframework.web.bind.annotation.RestController; + +@RestController +@RequestMapping("${rest.api.dmi-stub-base-path}") +@RequiredArgsConstructor +@Slf4j +public class DmiRestStubController { + + private final KafkaTemplate<String, CloudEvent> cloudEventKafkaTemplate; + private final ObjectMapper objectMapper; + private final ApplicationContext applicationContext; + + @Value("${app.ncmp.async-m2m.topic}") + private String ncmpAsyncM2mTopic; + + private String dataOperationEventType = "org.onap.cps.ncmp.events.async1_0_0.DataOperationEvent"; + + /** + * Get all modules for given cm handle. + * + * @param cmHandle The identifier for a network function, network element, subnetwork, + * or any other cm object by managed Network CM Proxy + * @param moduleReferencesRequest module references request body + * @return ResponseEntity response entity having module response as json string. + */ + @PostMapping("/v1/ch/{cmHandle}/modules") + public ResponseEntity<String> getModuleReferences(@PathVariable final String cmHandle, + @RequestBody final Object moduleReferencesRequest) { + final String moduleResponseContent = ResourceFileReaderUtil + .getResourceFileContent(applicationContext.getResource( + ResourceLoader.CLASSPATH_URL_PREFIX + "module/moduleResponse.json")); + return ResponseEntity.ok(moduleResponseContent); + } + + /** + * Get all module resources for given cm handle. + * + * @param cmHandle The identifier for a network function, network element, subnetwork, + * or any other cm object by managed Network CM Proxy + * @param moduleResourcesReadRequest module resources read request body + * @return ResponseEntity response entity having module resources response as json string. + */ + @PostMapping("/v1/ch/{cmHandle}/moduleResources") + public ResponseEntity<String> retrieveModuleResources( + @PathVariable final String cmHandle, + @RequestBody final Object moduleResourcesReadRequest) { + final String moduleResourcesResponseContent = ResourceFileReaderUtil + .getResourceFileContent(applicationContext.getResource( + ResourceLoader.CLASSPATH_URL_PREFIX + "module/moduleResourcesResponse.json")); + return ResponseEntity.ok(moduleResourcesResponseContent); + } + + /** + * This method is not implemented for ONAP DMI plugin. + * + * @param topic client given topic name + * @param requestId requestId generated by NCMP as an ack for client + * @param resourceDataOperationRequests list of operation details + * @return (@ code ResponseEntity) response entity + */ + @PostMapping("/v1/data") + public ResponseEntity<Void> getResourceDataForCmHandleDataOperation(@RequestParam(value = "topic") + final String topic, + @RequestParam(value = "requestId") + final String requestId, + @RequestBody final ResourceDataOperationRequests + resourceDataOperationRequests) { + log.info("Request received from the NCMP to DMI Plugin"); + resourceDataOperationRequests.forEach(resourceDataOperationRequest -> { + final DataOperationEvent dataOperationEvent = getDataOperationEvent(resourceDataOperationRequest); + resourceDataOperationRequest.getCmHandles().forEach(cmHandle -> { + dataOperationEvent.getData().getResponses().get(0).setIds(List.of(cmHandle.getId())); + final CloudEvent cloudEvent = buildAndGetCloudEvent(topic, requestId, dataOperationEvent); + cloudEventKafkaTemplate.send(ncmpAsyncM2mTopic, UUID.randomUUID().toString(), cloudEvent); + }); + }); + return new ResponseEntity<>(HttpStatus.ACCEPTED); + } + + private CloudEvent buildAndGetCloudEvent(final String topic, final String requestId, + final DataOperationEvent dataOperationEvent) { + CloudEvent cloudEvent = null; + try { + cloudEvent = CloudEventBuilder.v1() + .withId(UUID.randomUUID().toString()) + .withSource(URI.create("DMI")) + .withType(dataOperationEventType) + .withDataSchema(URI.create("urn:cps:" + dataOperationEventType + ":1.0.0")) + .withTime(EventDateTimeFormatter.toIsoOffsetDateTime( + EventDateTimeFormatter.getCurrentIsoFormattedDateTime())) + .withData(objectMapper.writeValueAsBytes(dataOperationEvent)) + .withExtension("destination", topic) + .withExtension("correlationid", requestId) + .build(); + } catch (final JsonProcessingException jsonProcessingException) { + log.error("Unable to parse event into bytes. cause : {}", jsonProcessingException.getMessage()); + } + return cloudEvent; + } + + private DataOperationEvent getDataOperationEvent(final DataOperationRequest dataOperationRequest) { + final Response response = new Response(); + response.setOperationId(dataOperationRequest.getOperationId()); + response.setStatusCode(NcmpEventResponseCode.SUCCESS.getStatusCode()); + response.setStatusMessage(NcmpEventResponseCode.SUCCESS.getStatusMessage()); + response.setIds(dataOperationRequest.getCmHandles().stream().map(CmHandle::getId).collect(Collectors.toList())); + final String ietfNetworkTopologySample = ResourceFileReaderUtil + .getResourceFileContent(applicationContext.getResource( + ResourceLoader.CLASSPATH_URL_PREFIX + + "data/operational/ietf-network-topology-sample-rfc8345.json")); + final JSONParser jsonParser = new JSONParser(); + try { + response.setResult(jsonParser.parse(ietfNetworkTopologySample)); + } catch (final ParseException parseException) { + log.error("Unable to parse event result as json object. cause : {}", parseException.getMessage()); + } + final List<Response> responseList = new ArrayList<>(); + responseList.add(response); + final Data data = new Data(); + data.setResponses(responseList); + final DataOperationEvent dataOperationEvent = new DataOperationEvent(); + dataOperationEvent.setData(data); + return dataOperationEvent; + } +} |