2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2023-2025 OpenInfra Foundation Europe. All rights reserved.
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;
72 import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
75 @RequestMapping("${rest.api.dmi-stub-base-path}")
77 @RequiredArgsConstructor
78 public class DmiRestStubController {
80 private static final String DEFAULT_PASSTHROUGH_OPERATION = "read";
81 private static final String DATA_OPERATION_EVENT_TYPE = "org.onap.cps.ncmp.events.async1_0_0.DataOperationEvent";
82 private static final Map<String, String> moduleSetTagPerCmHandleId = new HashMap<>();
83 private static final List<String> MODULE_SET_TAGS = YangModuleFactory.generateTags();
84 private static final String DEFAULT_TAG = "tagDefault";
85 private static final String ERROR_TAG = "errorTag";
87 private final KafkaTemplate<String, CloudEvent> cloudEventKafkaTemplate;
88 private final ObjectMapper objectMapper;
89 private final ApplicationContext applicationContext;
90 private final AtomicInteger subJobWriteRequestCounter = new AtomicInteger();
91 private final YangModuleFactory yangModuleFactory;
93 @Value("${app.ncmp.async-m2m.topic}")
94 private String ncmpAsyncM2mTopic;
95 @Value("${delay.module-references-delay-ms}")
96 private long moduleReferencesDelayMs;
97 @Value("${delay.module-resources-delay-ms}")
98 private long moduleResourcesDelayMs;
99 @Value("${delay.read-data-for-cm-handle-delay-ms}")
100 private long readDataForCmHandleDelayMs;
101 @Value("${delay.write-data-for-cm-handle-delay-ms}")
102 private long writeDataForCmHandleDelayMs;
105 * This code defines a REST API endpoint for adding new the module set tag mapping. The endpoint receives the
106 * cmHandleId and moduleSetTag as request body and add into moduleSetTagPerCmHandleId map with the provided
109 * @param requestBody map of cmHandleId and moduleSetTag
110 * @return a ResponseEntity object containing the updated moduleSetTagPerCmHandleId map as the response body
112 @PostMapping("/v1/tagMapping")
113 public ResponseEntity<Map<String, String>> addTagForMapping(@RequestBody final Map<String, String> requestBody) {
114 log.info("tagMapping: add {}", requestBody);
115 moduleSetTagPerCmHandleId.putAll(requestBody);
116 return new ResponseEntity<>(requestBody, HttpStatus.CREATED);
120 * This code defines a GET endpoint of module set tag mapping.
122 * @return The map represents the module set tag mapping.
124 @GetMapping("/v1/tagMapping")
125 public ResponseEntity<Map<String, String>> getTagMapping() {
126 log.info("tagMapping: get");
127 return ResponseEntity.ok(moduleSetTagPerCmHandleId);
131 * This code defines a GET endpoint of module set tag by cm handle ID.
133 * @return The map represents the module set tag mapping filtered by cm handle ID.
135 @GetMapping("/v1/tagMapping/ch/{cmHandleId}")
136 public ResponseEntity<String> getTagMappingByCmHandleId(@PathVariable final String cmHandleId) {
137 log.info("tagMapping: get cm handle id: {}", cmHandleId);
138 return ResponseEntity.ok(moduleSetTagPerCmHandleId.get(cmHandleId));
142 * This code defines a REST API endpoint for updating the module set tag mapping. The endpoint receives the
143 * cmHandleId and moduleSetTag as request body and updates the moduleSetTagPerCmHandleId map with the provided
146 * @param requestBody map of cmHandleId and moduleSetTag
147 * @return a ResponseEntity object containing the updated moduleSetTagPerCmHandleId map as the response body
150 @PutMapping("/v1/tagMapping")
151 public ResponseEntity<Map<String, String>> updateTagMapping(@RequestBody final Map<String, String> requestBody) {
152 log.info("tagMapping: update: {}", requestBody);
153 moduleSetTagPerCmHandleId.putAll(requestBody);
154 return ResponseEntity.noContent().build();
158 * It contains a method to delete an entry from the moduleSetTagPerCmHandleId map.
159 * The method takes a cmHandleId as a parameter and removes the corresponding entry from the map.
161 * @return a ResponseEntity containing the updated map.
163 @DeleteMapping("/v1/tagMapping/ch/{cmHandleId}")
164 public ResponseEntity<String> deleteTagMappingByCmHandleId(@PathVariable final String cmHandleId) {
165 log.info("tagMapping: remove cm handle id: {}", cmHandleId);
166 moduleSetTagPerCmHandleId.remove(cmHandleId);
167 return ResponseEntity.ok(String.format("Mapping of %s is deleted successfully", cmHandleId));
171 * Get all modules for given cm handle.
173 * @param cmHandleId The identifier for a network function, network element, subnetwork,
174 * or any other cm object by managed Network CM Proxy
175 * @param moduleReferencesRequest module references request body
176 * @return ResponseEntity response entity having module response as json string.
178 @PostMapping("/v1/ch/{cmHandleId}/modules")
179 @ModuleInitialProcess
180 public ResponseEntity<String> getModuleReferences(@PathVariable("cmHandleId") final String cmHandleId,
181 @RequestBody final Object moduleReferencesRequest) {
182 log.info("get module references for cm handle id: {}", cmHandleId);
183 return processModuleRequest(moduleReferencesRequest, MODULE_REFERENCE_RESPONSE, moduleReferencesDelayMs);
187 * Get module resources for a given cmHandleId.
189 * @param cmHandleId The identifier for a network function, network element, subnetwork,
190 * or any other cm object by managed Network CM Proxy
191 * @param moduleResourcesReadRequest module resources read request body
192 * @return ResponseEntity response entity having module resources response as json string.
194 @PostMapping("/v1/ch/{cmHandleId}/moduleResources")
195 @ModuleInitialProcess
196 public ResponseEntity<String> getModuleResources(
197 @PathVariable("cmHandleId") final String cmHandleId,
198 @RequestBody final Object moduleResourcesReadRequest) {
199 log.info("get module resources for cm handle id: {}", cmHandleId);
200 return processModuleRequest(moduleResourcesReadRequest, MODULE_RESOURCE_RESPONSE, moduleResourcesDelayMs);
204 * Create resource data from passthrough operational or running for a cm handle.
206 * @param cmHandleId The identifier for a network function, network element, subnetwork,
207 * or any other cm object by managed Network CM Proxy
208 * @param datastoreName datastore name
209 * @param resourceIdentifier resource identifier
210 * @param options options
211 * @param topic client given topic name
212 * @return (@ code ResponseEntity) response entity
214 @PostMapping("/v1/ch/{cmHandleId}/data/ds/{datastoreName}")
215 public ResponseEntity<String> getResourceDataForCmHandle(
216 @PathVariable("cmHandleId") final String cmHandleId,
217 @PathVariable("datastoreName") final String datastoreName,
218 @RequestParam(value = "resourceIdentifier") final String resourceIdentifier,
219 @RequestParam(value = "options", required = false) final String options,
220 @RequestParam(value = "topic", required = false) final String topic,
221 @RequestHeader(value = "Authorization", required = false) final String authorization,
222 @RequestBody final String requestBody) {
223 log.info("create resource data for cm handle id: {}", cmHandleId);
224 log.debug("DMI AUTH HEADER: {}", authorization);
225 final String passthroughOperationType = getPassthroughOperationType(requestBody);
226 if (passthroughOperationType.equals("read")) {
227 delay(readDataForCmHandleDelayMs);
229 delay(writeDataForCmHandleDelayMs);
231 log.debug("Logging request body {}", requestBody);
233 final String sampleJson = ResourceFileReaderUtil.getResourceFileContent(applicationContext.getResource(
234 ResourceLoader.CLASSPATH_URL_PREFIX + "data/ietf-network-topology-sample-rfc8345.json"));
235 return ResponseEntity.ok(sampleJson.replace("#network-id", getCompositeNetworkId(cmHandleId)));
239 * This method is not implemented for ONAP DMI plugin.
241 * @param topic client given topic name
242 * @param requestId requestId generated by NCMP as an ack for client
243 * @param dmiDataOperationRequest list of operation details
244 * @return (@ code ResponseEntity) response entity
246 @PostMapping("/v1/data")
247 public ResponseEntity<Void> getResourceDataForCmHandleDataOperation(
248 @RequestParam(value = "topic") final String topic,
249 @RequestParam(value = "requestId") final String requestId,
250 @RequestBody final DmiDataOperationRequest dmiDataOperationRequest) {
251 delay(writeDataForCmHandleDelayMs);
253 log.info("Request received from the NCMP to DMI Plugin: {}",
254 objectMapper.writeValueAsString(dmiDataOperationRequest));
255 } catch (final JsonProcessingException jsonProcessingException) {
256 log.warn("Unable to process dmi data operation request to json string");
258 dmiDataOperationRequest.getOperations().forEach(dmiDataOperation -> {
259 final DataOperationEvent dataOperationEvent = getDataOperationEvent(dmiDataOperation);
260 dmiDataOperation.getCmHandles().forEach(dmiOperationCmHandle -> {
261 log.debug("Module Set Tag received: {}", dmiOperationCmHandle.getModuleSetTag());
262 dataOperationEvent.getData().getResponses().get(0).setIds(List.of(dmiOperationCmHandle.getId()));
263 final CloudEvent cloudEvent = buildAndGetCloudEvent(topic, requestId, dataOperationEvent);
264 cloudEventKafkaTemplate.send(ncmpAsyncM2mTopic, UUID.randomUUID().toString(), cloudEvent);
267 return new ResponseEntity<>(HttpStatus.ACCEPTED);
271 * Consume sub-job write requests from NCMP.
273 * @param subJobWriteRequest contains a collection of write requests and metadata.
274 * @param destination the destination of the results. ( e.g. S3 Bucket).
275 * @return (@ code ResponseEntity) response for the write request.
277 @PostMapping("/v1/cmwriteJob")
278 public ResponseEntity<SubjobWriteResponse> consumeWriteSubJobs(
279 @RequestBody final SubjobWriteRequest subJobWriteRequest,
280 @RequestParam("destination") final String destination) {
281 log.info("cm write (datajob) request");
282 log.info("Destination: {}", destination);
283 log.info("Request body: {}", subJobWriteRequest);
284 return ResponseEntity.ok(new SubjobWriteResponse(String.valueOf(subJobWriteRequestCounter.incrementAndGet()),
285 "some-dmi-service-name", "my-data-producer-id"));
289 * Retrieves the status of a given data job identified by {@code requestId} and {@code dataProducerJobId}.
291 * @param dataProducerId ID of the producer registered by DMI for the alternateIDs
292 * in the operations in this request.
293 * @param dataProducerJobId Identifier of the data producer job.
294 * @return A ResponseEntity with HTTP status 200 (OK) and the data job's status as a string.
296 @GetMapping("/v1/cmwriteJob/dataProducer/{dataProducerId}/dataProducerJob/{dataProducerJobId}/status")
297 public ResponseEntity<Map<String, String>> retrieveDataJobStatus(
298 @PathVariable("dataProducerId") final String dataProducerId,
299 @PathVariable("dataProducerJobId") final String dataProducerJobId) {
300 log.info("Received request to retrieve data job status. Request ID: {}, Data Producer Job ID: {}",
301 dataProducerId, dataProducerJobId);
302 return ResponseEntity.ok(Map.of("status", "FINISHED"));
306 * Retrieves the result of a given data job identified by {@code requestId} and {@code dataProducerJobId}.
308 * @param dataProducerId Identifier for the data producer as a query parameter (required)
309 * @param dataProducerJobId Identifier for the data producer job (required)
310 * @param destination The destination of the results, Kafka topic name or s3 bucket name (required)
311 * @return A ResponseEntity with HTTP status 200 (OK) and the data job's result as an Object.
313 @GetMapping("/v1/cmwriteJob/dataProducer/{dataProducerId}/dataProducerJob/{dataProducerJobId}/result")
314 public ResponseEntity<Object> retrieveDataJobResult(
315 @PathVariable("dataProducerId") final String dataProducerId,
316 @PathVariable("dataProducerJobId") final String dataProducerJobId,
317 @RequestParam(name = "destination") final String destination) {
318 log.info("Received request to retrieve data job result. Data Producer ID: {}, "
319 + "Data Producer Job ID: {}, Destination: {}",
320 dataProducerId, dataProducerJobId, destination);
321 return ResponseEntity.ok(Map.of("result", "some status"));
324 private CloudEvent buildAndGetCloudEvent(final String topic, final String requestId,
325 final DataOperationEvent dataOperationEvent) {
326 CloudEvent cloudEvent = null;
328 cloudEvent = CloudEventBuilder.v1()
329 .withId(UUID.randomUUID().toString())
330 .withSource(URI.create("DMI"))
331 .withType(DATA_OPERATION_EVENT_TYPE)
332 .withDataSchema(URI.create("urn:cps:" + DATA_OPERATION_EVENT_TYPE + ":1.0.0"))
333 .withTime(EventDateTimeFormatter.toIsoOffsetDateTime(
334 EventDateTimeFormatter.getCurrentIsoFormattedDateTime()))
335 .withData(objectMapper.writeValueAsBytes(dataOperationEvent))
336 .withExtension("destination", topic)
337 .withExtension("correlationid", requestId)
339 } catch (final JsonProcessingException jsonProcessingException) {
340 log.error("Unable to parse event into bytes. cause : {}", jsonProcessingException.getMessage());
345 private DataOperationEvent getDataOperationEvent(final DataOperationRequest dataOperationRequest) {
346 final Response response = new Response();
348 response.setOperationId(dataOperationRequest.getOperationId());
349 response.setStatusCode("0");
350 response.setStatusMessage("Successfully applied changes");
351 response.setIds(dataOperationRequest.getCmHandles().stream().map(DmiOperationCmHandle::getId)
352 .collect(Collectors.toList()));
353 response.setResourceIdentifier(dataOperationRequest.getResourceIdentifier());
354 response.setOptions(dataOperationRequest.getOptions());
355 final String ietfNetworkTopologySample = ResourceFileReaderUtil.getResourceFileContent(
356 applicationContext.getResource(ResourceLoader.CLASSPATH_URL_PREFIX
357 + "data/ietf-network-topology-sample-rfc8345.json"));
358 final JSONParser jsonParser = new JSONParser();
360 response.setResult(jsonParser.parse(ietfNetworkTopologySample));
361 } catch (final ParseException parseException) {
362 log.error("Unable to parse event result as json object. cause : {}", parseException.getMessage());
364 final List<Response> responseList = new ArrayList<>(1);
365 responseList.add(response);
366 final Data data = new Data();
367 data.setResponses(responseList);
368 final DataOperationEvent dataOperationEvent = new DataOperationEvent();
369 dataOperationEvent.setData(data);
370 return dataOperationEvent;
373 private ResponseEntity<String> processModuleRequest(final Object moduleRequest,
374 final ModuleResponseType moduleResponseType,
375 final long simulatedResponseDelay) {
376 logRequestBody(moduleRequest);
377 String moduleResponseContent = "";
378 String moduleSetTag = extractModuleSetTagFromRequest(moduleRequest);
380 if (ERROR_TAG.equals(moduleSetTag)) {
381 return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
384 moduleSetTag = (!isModuleSetTagNullOrEmpty(moduleSetTag)
385 && MODULE_SET_TAGS.contains(moduleSetTag)) ? moduleSetTag : DEFAULT_TAG;
387 if (MODULE_RESOURCE_RESPONSE == moduleResponseType) {
388 moduleResponseContent = yangModuleFactory.getModuleResourcesJson(moduleSetTag);
390 moduleResponseContent = yangModuleFactory.getModuleReferencesJson(moduleSetTag);
393 delay(simulatedResponseDelay);
394 return ResponseEntity.ok(moduleResponseContent);
397 private String extractModuleSetTagFromRequest(final Object moduleReferencesRequest) {
398 final JsonNode rootNode = objectMapper.valueToTree(moduleReferencesRequest);
399 return rootNode.path("moduleSetTag").asText(null);
402 private boolean isModuleSetTagNullOrEmpty(final String moduleSetTag) {
403 return moduleSetTag == null || moduleSetTag.trim().isEmpty();
406 private void logRequestBody(final Object request) {
408 log.debug("Incoming DMI request body: {}", objectMapper.writeValueAsString(request));
409 } catch (final JsonProcessingException jsonProcessingException) {
410 log.warn("Unable to parse DMI request to json string");
414 private String getPassthroughOperationType(final String requestBody) {
416 final JsonNode rootNode = objectMapper.readTree(requestBody);
417 return rootNode.path("operation").asText();
418 } catch (final JsonProcessingException jsonProcessingException) {
419 log.error("Invalid JSON format. cause : {}", jsonProcessingException.getMessage());
421 return DEFAULT_PASSTHROUGH_OPERATION;
424 private void delay(final long milliseconds) {
426 Thread.sleep(milliseconds);
427 } catch (final InterruptedException e) {
428 log.error("Thread sleep interrupted: {}", e.getMessage());
429 Thread.currentThread().interrupt();
433 private static String getCompositeNetworkId(final String cmHandleId) {
434 final String servletUri = ServletUriComponentsBuilder
435 .fromCurrentContextPath() // scheme://host:port
438 return servletUri + "-" + cmHandleId; // e.g. http://cps-ncmp-dmi-stub-1:8092-my-cm-handle