2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2023-2024 Nordix Foundation
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.cps.ncmp.dmi.rest.stub.controller;
23 import static org.onap.cps.ncmp.dmi.rest.stub.utils.ModuleResponseType.MODULE_REFERENCE_RESPONSE;
24 import static org.onap.cps.ncmp.dmi.rest.stub.utils.ModuleResponseType.MODULE_RESOURCE_RESPONSE;
26 import com.fasterxml.jackson.core.JsonProcessingException;
27 import com.fasterxml.jackson.databind.JsonNode;
28 import com.fasterxml.jackson.databind.ObjectMapper;
29 import io.cloudevents.CloudEvent;
30 import io.cloudevents.core.builder.CloudEventBuilder;
32 import java.util.ArrayList;
33 import java.util.HashMap;
34 import java.util.List;
36 import java.util.UUID;
37 import java.util.concurrent.atomic.AtomicInteger;
38 import java.util.stream.Collectors;
39 import lombok.RequiredArgsConstructor;
40 import lombok.extern.slf4j.Slf4j;
41 import org.json.simple.parser.JSONParser;
42 import org.json.simple.parser.ParseException;
43 import org.onap.cps.ncmp.dmi.datajobs.model.SubjobWriteRequest;
44 import org.onap.cps.ncmp.dmi.datajobs.model.SubjobWriteResponse;
45 import org.onap.cps.ncmp.dmi.rest.stub.controller.aop.ModuleInitialProcess;
46 import org.onap.cps.ncmp.dmi.rest.stub.model.data.operational.DataOperationRequest;
47 import org.onap.cps.ncmp.dmi.rest.stub.model.data.operational.DmiDataOperationRequest;
48 import org.onap.cps.ncmp.dmi.rest.stub.model.data.operational.DmiOperationCmHandle;
49 import org.onap.cps.ncmp.dmi.rest.stub.service.YangModuleFactory;
50 import org.onap.cps.ncmp.dmi.rest.stub.utils.EventDateTimeFormatter;
51 import org.onap.cps.ncmp.dmi.rest.stub.utils.ModuleResponseType;
52 import org.onap.cps.ncmp.dmi.rest.stub.utils.ResourceFileReaderUtil;
53 import org.onap.cps.ncmp.events.async1_0_0.Data;
54 import org.onap.cps.ncmp.events.async1_0_0.DataOperationEvent;
55 import org.onap.cps.ncmp.events.async1_0_0.Response;
56 import org.springframework.beans.factory.annotation.Value;
57 import org.springframework.context.ApplicationContext;
58 import org.springframework.core.io.ResourceLoader;
59 import org.springframework.http.HttpStatus;
60 import org.springframework.http.ResponseEntity;
61 import org.springframework.kafka.core.KafkaTemplate;
62 import org.springframework.web.bind.annotation.DeleteMapping;
63 import org.springframework.web.bind.annotation.GetMapping;
64 import org.springframework.web.bind.annotation.PathVariable;
65 import org.springframework.web.bind.annotation.PostMapping;
66 import org.springframework.web.bind.annotation.PutMapping;
67 import org.springframework.web.bind.annotation.RequestBody;
68 import org.springframework.web.bind.annotation.RequestHeader;
69 import org.springframework.web.bind.annotation.RequestMapping;
70 import org.springframework.web.bind.annotation.RequestParam;
71 import org.springframework.web.bind.annotation.RestController;
74 @RequestMapping("${rest.api.dmi-stub-base-path}")
76 @RequiredArgsConstructor
77 public class DmiRestStubController {
79 private static final String DEFAULT_PASSTHROUGH_OPERATION = "read";
80 private static final String DATA_OPERATION_EVENT_TYPE = "org.onap.cps.ncmp.events.async1_0_0.DataOperationEvent";
81 private static final Map<String, String> moduleSetTagPerCmHandleId = new HashMap<>();
82 private static final List<String> MODULE_SET_TAGS = YangModuleFactory.generateTags();
83 private static final String DEFAULT_TAG = "tagDefault";
85 private final KafkaTemplate<String, CloudEvent> cloudEventKafkaTemplate;
86 private final ObjectMapper objectMapper;
87 private final ApplicationContext applicationContext;
88 private final AtomicInteger subJobWriteRequestCounter = new AtomicInteger();
89 private final YangModuleFactory yangModuleFactory;
91 @Value("${app.ncmp.async-m2m.topic}")
92 private String ncmpAsyncM2mTopic;
93 @Value("${delay.module-references-delay-ms}")
94 private long moduleReferencesDelayMs;
95 @Value("${delay.module-resources-delay-ms}")
96 private long moduleResourcesDelayMs;
97 @Value("${delay.read-data-for-cm-handle-delay-ms}")
98 private long readDataForCmHandleDelayMs;
99 @Value("${delay.write-data-for-cm-handle-delay-ms}")
100 private long writeDataForCmHandleDelayMs;
103 * This code defines a REST API endpoint for adding new the module set tag mapping. The endpoint receives the
104 * cmHandleId and moduleSetTag as request body and add into moduleSetTagPerCmHandleId map with the provided
107 * @param requestBody map of cmHandleId and moduleSetTag
108 * @return a ResponseEntity object containing the updated moduleSetTagPerCmHandleId map as the response body
110 @PostMapping("/v1/tagMapping")
111 public ResponseEntity<Map<String, String>> addTagForMapping(@RequestBody final Map<String, String> requestBody) {
112 moduleSetTagPerCmHandleId.putAll(requestBody);
113 return new ResponseEntity<>(requestBody, HttpStatus.CREATED);
117 * This code defines a GET endpoint of module set tag mapping.
119 * @return The map represents the module set tag mapping.
121 @GetMapping("/v1/tagMapping")
122 public ResponseEntity<Map<String, String>> getTagMapping() {
123 return ResponseEntity.ok(moduleSetTagPerCmHandleId);
127 * This code defines a GET endpoint of module set tag by cm handle ID.
129 * @return The map represents the module set tag mapping filtered by cm handle ID.
131 @GetMapping("/v1/tagMapping/ch/{cmHandleId}")
132 public ResponseEntity<String> getTagMappingByCmHandleId(@PathVariable final String cmHandleId) {
133 return ResponseEntity.ok(moduleSetTagPerCmHandleId.get(cmHandleId));
137 * This code defines a REST API endpoint for updating the module set tag mapping. The endpoint receives the
138 * cmHandleId and moduleSetTag as request body and updates the moduleSetTagPerCmHandleId map with the provided
141 * @param requestBody map of cmHandleId and moduleSetTag
142 * @return a ResponseEntity object containing the updated moduleSetTagPerCmHandleId map as the response body
145 @PutMapping("/v1/tagMapping")
146 public ResponseEntity<Map<String, String>> updateTagMapping(@RequestBody final Map<String, String> requestBody) {
147 moduleSetTagPerCmHandleId.putAll(requestBody);
148 return ResponseEntity.noContent().build();
152 * It contains a method to delete an entry from the moduleSetTagPerCmHandleId map.
153 * The method takes a cmHandleId as a parameter and removes the corresponding entry from the map.
155 * @return a ResponseEntity containing the updated map.
157 @DeleteMapping("/v1/tagMapping/ch/{cmHandleId}")
158 public ResponseEntity<String> deleteTagMappingByCmHandleId(@PathVariable final String cmHandleId) {
159 moduleSetTagPerCmHandleId.remove(cmHandleId);
160 return ResponseEntity.ok(String.format("Mapping of %s is deleted successfully", cmHandleId));
164 * Get all modules for given cm handle.
166 * @param cmHandleId The identifier for a network function, network element, subnetwork,
167 * or any other cm object by managed Network CM Proxy
168 * @param moduleReferencesRequest module references request body
169 * @return ResponseEntity response entity having module response as json string.
171 @PostMapping("/v1/ch/{cmHandleId}/modules")
172 @ModuleInitialProcess
173 public ResponseEntity<String> getModuleReferences(@PathVariable("cmHandleId") final String cmHandleId,
174 @RequestBody final Object moduleReferencesRequest) {
175 return processModuleRequest(moduleReferencesRequest, MODULE_REFERENCE_RESPONSE, moduleReferencesDelayMs);
179 * Get module resources for a given cmHandleId.
181 * @param cmHandleId The identifier for a network function, network element, subnetwork,
182 * or any other cm object by managed Network CM Proxy
183 * @param moduleResourcesReadRequest module resources read request body
184 * @return ResponseEntity response entity having module resources response as json string.
186 @PostMapping("/v1/ch/{cmHandleId}/moduleResources")
187 @ModuleInitialProcess
188 public ResponseEntity<String> getModuleResources(
189 @PathVariable("cmHandleId") final String cmHandleId,
190 @RequestBody final Object moduleResourcesReadRequest) {
191 return processModuleRequest(moduleResourcesReadRequest, MODULE_RESOURCE_RESPONSE, moduleResourcesDelayMs);
195 * Create resource data from passthrough operational or running for a cm handle.
197 * @param cmHandleId The identifier for a network function, network element, subnetwork,
198 * or any other cm object by managed Network CM Proxy
199 * @param datastoreName datastore name
200 * @param resourceIdentifier resource identifier
201 * @param options options
202 * @param topic client given topic name
203 * @return (@ code ResponseEntity) response entity
205 @PostMapping("/v1/ch/{cmHandleId}/data/ds/{datastoreName}")
206 public ResponseEntity<String> getResourceDataForCmHandle(
207 @PathVariable("cmHandleId") final String cmHandleId,
208 @PathVariable("datastoreName") final String datastoreName,
209 @RequestParam(value = "resourceIdentifier") final String resourceIdentifier,
210 @RequestParam(value = "options", required = false) final String options,
211 @RequestParam(value = "topic", required = false) final String topic,
212 @RequestHeader(value = "Authorization", required = false) final String authorization,
213 @RequestBody final String requestBody) {
214 log.info("DMI AUTH HEADER: {}", authorization);
215 final String passthroughOperationType = getPassthroughOperationType(requestBody);
216 if (passthroughOperationType.equals("read")) {
217 delay(readDataForCmHandleDelayMs);
219 delay(writeDataForCmHandleDelayMs);
221 log.info("Logging request body {}", requestBody);
223 final String sampleJson = ResourceFileReaderUtil.getResourceFileContent(applicationContext.getResource(
224 ResourceLoader.CLASSPATH_URL_PREFIX + "data/ietf-network-topology-sample-rfc8345.json"));
225 return ResponseEntity.ok(sampleJson);
229 * This method is not implemented for ONAP DMI plugin.
231 * @param topic client given topic name
232 * @param requestId requestId generated by NCMP as an ack for client
233 * @param dmiDataOperationRequest list of operation details
234 * @return (@ code ResponseEntity) response entity
236 @PostMapping("/v1/data")
237 public ResponseEntity<Void> getResourceDataForCmHandleDataOperation(
238 @RequestParam(value = "topic") final String topic,
239 @RequestParam(value = "requestId") final String requestId,
240 @RequestBody final DmiDataOperationRequest dmiDataOperationRequest) {
241 delay(writeDataForCmHandleDelayMs);
243 log.info("Request received from the NCMP to DMI Plugin: {}",
244 objectMapper.writeValueAsString(dmiDataOperationRequest));
245 } catch (final JsonProcessingException jsonProcessingException) {
246 log.info("Unable to process dmi data operation request to json string");
248 dmiDataOperationRequest.getOperations().forEach(dmiDataOperation -> {
249 final DataOperationEvent dataOperationEvent = getDataOperationEvent(dmiDataOperation);
250 dmiDataOperation.getCmHandles().forEach(dmiOperationCmHandle -> {
251 log.info("Module Set Tag received: {}", dmiOperationCmHandle.getModuleSetTag());
252 dataOperationEvent.getData().getResponses().get(0).setIds(List.of(dmiOperationCmHandle.getId()));
253 final CloudEvent cloudEvent = buildAndGetCloudEvent(topic, requestId, dataOperationEvent);
254 cloudEventKafkaTemplate.send(ncmpAsyncM2mTopic, UUID.randomUUID().toString(), cloudEvent);
257 return new ResponseEntity<>(HttpStatus.ACCEPTED);
261 * Consume sub-job write requests from NCMP.
263 * @param subJobWriteRequest contains a collection of write requests and metadata.
264 * @param destination the destination of the results. ( e.g. S3 Bucket).
265 * @return (@ code ResponseEntity) response for the write request.
267 @PostMapping("/v1/cmwriteJob")
268 public ResponseEntity<SubjobWriteResponse> consumeWriteSubJobs(
269 @RequestBody final SubjobWriteRequest subJobWriteRequest,
270 @RequestParam("destination") final String destination) {
271 log.debug("Destination: {}", destination);
272 log.debug("Request body: {}", subJobWriteRequest);
273 return ResponseEntity.ok(new SubjobWriteResponse(String.valueOf(subJobWriteRequestCounter.incrementAndGet()),
274 "some-dmi-service-name", "my-data-producer-id"));
278 * Retrieves the status of a given data job identified by {@code requestId} and {@code dataProducerJobId}.
280 * @param dataProducerId ID of the producer registered by DMI for the alternateIDs
281 * in the operations in this request.
282 * @param dataProducerJobId Identifier of the data producer job.
283 * @return A ResponseEntity with HTTP status 200 (OK) and the data job's status as a string.
285 @GetMapping("/v1/cmwriteJob/dataProducer/{dataProducerId}/dataProducerJob/{dataProducerJobId}/status")
286 public ResponseEntity<Map<String, String>> retrieveDataJobStatus(
287 @PathVariable("dataProducerId") final String dataProducerId,
288 @PathVariable("dataProducerJobId") final String dataProducerJobId) {
289 log.info("Received request to retrieve data job status. Request ID: {}, Data Producer Job ID: {}",
290 dataProducerId, dataProducerJobId);
291 return ResponseEntity.ok(Map.of("status", "FINISHED"));
295 * Retrieves the result of a given data job identified by {@code requestId} and {@code dataProducerJobId}.
297 * @param dataProducerId Identifier for the data producer as a query parameter (required)
298 * @param dataProducerJobId Identifier for the data producer job (required)
299 * @param destination The destination of the results, Kafka topic name or s3 bucket name (required)
300 * @return A ResponseEntity with HTTP status 200 (OK) and the data job's result as an Object.
302 @GetMapping("/v1/cmwriteJob/dataProducer/{dataProducerId}/dataProducerJob/{dataProducerJobId}/result")
303 public ResponseEntity<Object> retrieveDataJobResult(
304 @PathVariable("dataProducerId") final String dataProducerId,
305 @PathVariable("dataProducerJobId") final String dataProducerJobId,
306 @RequestParam(name = "destination") final String destination) {
307 log.debug("Received request to retrieve data job result. Data Producer ID: {}, "
308 + "Data Producer Job ID: {}, Destination: {}",
309 dataProducerId, dataProducerJobId, destination);
310 return ResponseEntity.ok(Map.of("result", "some status"));
313 private CloudEvent buildAndGetCloudEvent(final String topic, final String requestId,
314 final DataOperationEvent dataOperationEvent) {
315 CloudEvent cloudEvent = null;
317 cloudEvent = CloudEventBuilder.v1()
318 .withId(UUID.randomUUID().toString())
319 .withSource(URI.create("DMI"))
320 .withType(DATA_OPERATION_EVENT_TYPE)
321 .withDataSchema(URI.create("urn:cps:" + DATA_OPERATION_EVENT_TYPE + ":1.0.0"))
322 .withTime(EventDateTimeFormatter.toIsoOffsetDateTime(
323 EventDateTimeFormatter.getCurrentIsoFormattedDateTime()))
324 .withData(objectMapper.writeValueAsBytes(dataOperationEvent))
325 .withExtension("destination", topic)
326 .withExtension("correlationid", requestId)
328 } catch (final JsonProcessingException jsonProcessingException) {
329 log.error("Unable to parse event into bytes. cause : {}", jsonProcessingException.getMessage());
334 private DataOperationEvent getDataOperationEvent(final DataOperationRequest dataOperationRequest) {
335 final Response response = new Response();
337 response.setOperationId(dataOperationRequest.getOperationId());
338 response.setStatusCode("0");
339 response.setStatusMessage("Successfully applied changes");
340 response.setIds(dataOperationRequest.getCmHandles().stream().map(DmiOperationCmHandle::getId)
341 .collect(Collectors.toList()));
342 response.setResourceIdentifier(dataOperationRequest.getResourceIdentifier());
343 response.setOptions(dataOperationRequest.getOptions());
344 final String ietfNetworkTopologySample = ResourceFileReaderUtil.getResourceFileContent(
345 applicationContext.getResource(ResourceLoader.CLASSPATH_URL_PREFIX
346 + "data/ietf-network-topology-sample-rfc8345.json"));
347 final JSONParser jsonParser = new JSONParser();
349 response.setResult(jsonParser.parse(ietfNetworkTopologySample));
350 } catch (final ParseException parseException) {
351 log.error("Unable to parse event result as json object. cause : {}", parseException.getMessage());
353 final List<Response> responseList = new ArrayList<>(1);
354 responseList.add(response);
355 final Data data = new Data();
356 data.setResponses(responseList);
357 final DataOperationEvent dataOperationEvent = new DataOperationEvent();
358 dataOperationEvent.setData(data);
359 return dataOperationEvent;
362 private ResponseEntity<String> processModuleRequest(final Object moduleRequest,
363 final ModuleResponseType moduleResponseType,
364 final long simulatedResponseDelay) {
365 logRequestBody(moduleRequest);
366 String moduleResponseContent = "";
367 String moduleSetTag = extractModuleSetTagFromRequest(moduleRequest);
369 moduleSetTag = (!isModuleSetTagNullOrEmpty(moduleSetTag)
370 && MODULE_SET_TAGS.contains(moduleSetTag)) ? moduleSetTag : DEFAULT_TAG;
372 if (MODULE_RESOURCE_RESPONSE == moduleResponseType) {
373 moduleResponseContent = yangModuleFactory.getModuleResourcesJson(moduleSetTag);
375 moduleResponseContent = yangModuleFactory.getModuleReferencesJson(moduleSetTag);
378 delay(simulatedResponseDelay);
379 return ResponseEntity.ok(moduleResponseContent);
382 private String extractModuleSetTagFromRequest(final Object moduleReferencesRequest) {
383 final JsonNode rootNode = objectMapper.valueToTree(moduleReferencesRequest);
384 return rootNode.path("moduleSetTag").asText(null);
387 private boolean isModuleSetTagNullOrEmpty(final String moduleSetTag) {
388 return moduleSetTag == null || moduleSetTag.trim().isEmpty();
391 private void logRequestBody(final Object request) {
393 log.info("Incoming DMI request body: {}", objectMapper.writeValueAsString(request));
394 } catch (final JsonProcessingException jsonProcessingException) {
395 log.info("Unable to parse DMI request to json string");
399 private String getPassthroughOperationType(final String requestBody) {
401 final JsonNode rootNode = objectMapper.readTree(requestBody);
402 return rootNode.path("operation").asText();
403 } catch (final JsonProcessingException jsonProcessingException) {
404 log.error("Invalid JSON format. cause : {}", jsonProcessingException.getMessage());
406 return DEFAULT_PASSTHROUGH_OPERATION;
409 private void delay(final long milliseconds) {
411 Thread.sleep(milliseconds);
412 } catch (final InterruptedException e) {
413 log.error("Thread sleep interrupted: {}", e.getMessage());
414 Thread.currentThread().interrupt();