enrichment-coordinator-service/src/main/java/org/oransc/enrichment/controllers/r1consumer/ConsumerController.java

   1 /*-
   2  * ========================LICENSE_START=================================
   3  * O-RAN-SC
   4  * %%
   5  * Copyright (C) 2020 Nordix Foundation
   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
  21 package org.oransc.enrichment.controllers.r1consumer;
  22
  23 import com.fasterxml.jackson.databind.ObjectMapper;
  24 import com.google.gson.Gson;
  25 import com.google.gson.GsonBuilder;
  26
  27 import io.swagger.v3.oas.annotations.Operation;
  28 import io.swagger.v3.oas.annotations.Parameter;
  29 import io.swagger.v3.oas.annotations.media.ArraySchema;
  30 import io.swagger.v3.oas.annotations.media.Content;
  31 import io.swagger.v3.oas.annotations.media.Schema;
  32 import io.swagger.v3.oas.annotations.responses.ApiResponse;
  33 import io.swagger.v3.oas.annotations.responses.ApiResponses;
  34 import io.swagger.v3.oas.annotations.tags.Tag;
  35
  36 import java.lang.invoke.MethodHandles;
  37 import java.util.ArrayList;
  38 import java.util.List;
  39
  40 import org.json.JSONObject;
  41 import org.oransc.enrichment.configuration.ApplicationConfig;
  42 import org.oransc.enrichment.controllers.ErrorResponse;
  43 import org.oransc.enrichment.controllers.VoidResponse;
  44 import org.oransc.enrichment.controllers.r1producer.ProducerCallbacks;
  45 import org.oransc.enrichment.exceptions.ServiceException;
  46 import org.oransc.enrichment.repository.EiJob;
  47 import org.oransc.enrichment.repository.EiJobs;
  48 import org.oransc.enrichment.repository.EiProducers;
  49 import org.oransc.enrichment.repository.EiType;
  50 import org.oransc.enrichment.repository.EiTypes;
  51 import org.slf4j.Logger;
  52 import org.slf4j.LoggerFactory;
  53 import org.springframework.beans.factory.annotation.Autowired;
  54 import org.springframework.http.HttpStatus;
  55 import org.springframework.http.MediaType;
  56 import org.springframework.http.ResponseEntity;
  57 import org.springframework.web.bind.annotation.DeleteMapping;
  58 import org.springframework.web.bind.annotation.GetMapping;
  59 import org.springframework.web.bind.annotation.PathVariable;
  60 import org.springframework.web.bind.annotation.PutMapping;
  61 import org.springframework.web.bind.annotation.RequestBody;
  62 import org.springframework.web.bind.annotation.RequestMapping;
  63 import org.springframework.web.bind.annotation.RequestParam;
  64 import org.springframework.web.bind.annotation.RestController;
  65 import reactor.core.publisher.Mono;
  66
  67 @SuppressWarnings("java:S3457") // No need to call "toString()" method as formatting and string ..
  68 @RestController("Consumer registry")
  69 @Tag(name = ConsumerConsts.CONSUMER_API_NAME)
  70 @RequestMapping(path = ConsumerConsts.API_ROOT, produces = MediaType.APPLICATION_JSON_VALUE)
  71 public class ConsumerController {
  72
  73     private final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
  74
  75     @Autowired
  76     ApplicationConfig applicationConfig;
  77
  78     @Autowired
  79     private EiJobs jobs;
  80
  81     @Autowired
  82     private EiTypes infoTypes;
  83
  84     @Autowired
  85     private EiProducers infoProducers;
  86
  87     @Autowired
  88     ProducerCallbacks producerCallbacks;
  89
  90     private static Gson gson = new GsonBuilder().create();
  91
  92     @GetMapping(path = "/info-types", produces = MediaType.APPLICATION_JSON_VALUE)
  93     @Operation(summary = "Information type identifiers", description = "")
  94     @ApiResponses(
  95         value = { //
  96             @ApiResponse(
  97                 responseCode = "200",
  98                 description = "Information type identifiers", //
  99                 content = @Content(array = @ArraySchema(schema = @Schema(implementation = String.class)))), //
 100         })
 101     public ResponseEntity<Object> getinfoTypeIdentifiers( //
 102     ) {
 103         List<String> result = new ArrayList<>();
 104         for (EiType infoType : this.infoTypes.getAllInfoTypes()) {
 105             result.add(infoType.getId());
 106         }
 107
 108         return new ResponseEntity<>(gson.toJson(result), HttpStatus.OK);
 109     }
 110
 111     @GetMapping(path = "/info-types/{infoTypeId}", produces = MediaType.APPLICATION_JSON_VALUE)
 112     @Operation(summary = "Individual information type", description = "")
 113     @ApiResponses(
 114         value = { //
 115             @ApiResponse(
 116                 responseCode = "200",
 117                 description = "Information type", //
 118                 content = @Content(schema = @Schema(implementation = ConsumerInfoTypeInfo.class))), //
 119             @ApiResponse(
 120                 responseCode = "404",
 121                 description = "Information type is not found", //
 122                 content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class))) //
 123         })
 124     public ResponseEntity<Object> getInfoType( //
 125         @PathVariable("infoTypeId") String infoTypeId) {
 126         try {
 127             EiType type = this.infoTypes.getType(infoTypeId);
 128             ConsumerInfoTypeInfo info = toInfoTypeInfo(type);
 129             return new ResponseEntity<>(gson.toJson(info), HttpStatus.OK);
 130         } catch (Exception e) {
 131             return ErrorResponse.create(e, HttpStatus.NOT_FOUND);
 132         }
 133     }
 134
 135     @GetMapping(path = "/info-jobs", produces = MediaType.APPLICATION_JSON_VALUE)
 136     @Operation(summary = "EI job identifiers", description = "query for information job identifiers")
 137     @ApiResponses(
 138         value = { //
 139             @ApiResponse(
 140                 responseCode = "200",
 141                 description = "Information information job identifiers", //
 142                 content = @Content(array = @ArraySchema(schema = @Schema(implementation = String.class)))),
 143             @ApiResponse(
 144                 responseCode = "404",
 145                 description = "Information type is not found", //
 146                 content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class))) //
 147         })
 148     public ResponseEntity<Object> getJobIds( //
 149         @Parameter(
 150             name = ConsumerConsts.INFO_TYPE_ID_PARAM,
 151             required = false, //
 152             description = ConsumerConsts.INFO_TYPE_ID_PARAM_DESCRIPTION) //
 153         @RequestParam(name = ConsumerConsts.INFO_TYPE_ID_PARAM, required = false) String infoTypeId,
 154         @Parameter(
 155             name = ConsumerConsts.OWNER_PARAM,
 156             required = false, //
 157             description = ConsumerConsts.OWNER_PARAM_DESCRIPTION) //
 158         @RequestParam(name = ConsumerConsts.OWNER_PARAM, required = false) String owner) {
 159         try {
 160             List<String> result = new ArrayList<>();
 161             if (owner != null) {
 162                 for (EiJob job : this.jobs.getJobsForOwner(owner)) {
 163                     if (infoTypeId == null || job.getTypeId().equals(infoTypeId)) {
 164                         result.add(job.getId());
 165                     }
 166                 }
 167             } else if (infoTypeId != null) {
 168                 this.jobs.getJobsForType(infoTypeId).forEach(job -> result.add(job.getId()));
 169             } else {
 170                 this.jobs.getJobs().forEach(job -> result.add(job.getId()));
 171             }
 172             return new ResponseEntity<>(gson.toJson(result), HttpStatus.OK);
 173         } catch (
 174
 175         Exception e) {
 176             return ErrorResponse.create(e, HttpStatus.NOT_FOUND);
 177         }
 178     }
 179
 180     @GetMapping(path = "/info-jobs/{infoJobId}", produces = MediaType.APPLICATION_JSON_VALUE) //
 181     @Operation(summary = ConsumerConsts.INDIVIDUAL_JOB, description = "") //
 182     @ApiResponses(
 183         value = { //
 184             @ApiResponse(
 185                 responseCode = "200",
 186                 description = "Information subscription job", //
 187                 content = @Content(schema = @Schema(implementation = ConsumerJobInfo.class))), //
 188             @ApiResponse(
 189                 responseCode = "404",
 190                 description = "Information subscription job is not found", //
 191                 content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class))) //
 192         })
 193     public ResponseEntity<Object> getIndividualEiJob( //
 194         @PathVariable("infoJobId") String infoJobId) {
 195         try {
 196             EiJob job = this.jobs.getJob(infoJobId);
 197             return new ResponseEntity<>(gson.toJson(toInfoJobInfo(job)), HttpStatus.OK);
 198         } catch (Exception e) {
 199             return ErrorResponse.create(e, HttpStatus.NOT_FOUND);
 200         }
 201     }
 202
 203     @GetMapping(path = "/info-jobs/{infoJobId}/status", produces = MediaType.APPLICATION_JSON_VALUE)
 204     @Operation(summary = "Job status", description = "")
 205     @ApiResponses(
 206         value = { //
 207             @ApiResponse(
 208                 responseCode = "200",
 209                 description = "Information subscription job status", //
 210                 content = @Content(schema = @Schema(implementation = ConsumerJobStatus.class))), //
 211             @ApiResponse(
 212                 responseCode = "404",
 213                 description = "Information subscription job is not found", //
 214                 content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class))) //
 215         })
 216     public ResponseEntity<Object> getEiJobStatus( //
 217         @PathVariable("infoJobId") String jobId) {
 218         try {
 219             EiJob job = this.jobs.getJob(jobId);
 220             return new ResponseEntity<>(gson.toJson(toInfoJobStatus(job)), HttpStatus.OK);
 221         } catch (Exception e) {
 222             return ErrorResponse.create(e, HttpStatus.NOT_FOUND);
 223         }
 224     }
 225
 226     private ConsumerJobStatus toInfoJobStatus(EiJob job) {
 227         return this.infoProducers.isJobEnabled(job)
 228             ? new ConsumerJobStatus(ConsumerJobStatus.InfoJobStatusValues.ENABLED)
 229             : new ConsumerJobStatus(ConsumerJobStatus.InfoJobStatusValues.DISABLED);
 230
 231     }
 232
 233     @DeleteMapping(path = "/info-jobs/{infoJobId}", produces = MediaType.APPLICATION_JSON_VALUE)
 234     @Operation(summary = ConsumerConsts.INDIVIDUAL_JOB, description = "")
 235     @ApiResponses(
 236         value = { //
 237             @ApiResponse(
 238                 responseCode = "200",
 239                 description = "Not used", //
 240                 content = @Content(schema = @Schema(implementation = VoidResponse.class))),
 241             @ApiResponse(
 242                 responseCode = "204",
 243                 description = "Job deleted", //
 244                 content = @Content(schema = @Schema(implementation = VoidResponse.class))), // "Individual EI job"
 245             @ApiResponse(
 246                 responseCode = "404",
 247                 description = "Information subscription job is not found", //
 248                 content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class))) //
 249         })
 250     public ResponseEntity<Object> deleteIndividualEiJob( //
 251         @PathVariable("infoJobId") String jobId) {
 252         try {
 253             EiJob job = this.jobs.getJob(jobId);
 254             this.jobs.remove(job, this.infoProducers);
 255             return new ResponseEntity<>(HttpStatus.NO_CONTENT);
 256         } catch (Exception e) {
 257             return ErrorResponse.create(e, HttpStatus.NOT_FOUND);
 258         }
 259     }
 260
 261     @PutMapping(
 262         path = "/info-jobs/{infoJobId}", //
 263         produces = MediaType.APPLICATION_JSON_VALUE, //
 264         consumes = MediaType.APPLICATION_JSON_VALUE)
 265     @Operation(summary = ConsumerConsts.INDIVIDUAL_JOB)
 266     @ApiResponses(
 267         value = { //
 268             @ApiResponse(
 269                 responseCode = "201",
 270                 description = "Job created", //
 271                 content = @Content(schema = @Schema(implementation = VoidResponse.class))), //
 272             @ApiResponse(
 273                 responseCode = "200",
 274                 description = "Job updated", //
 275                 content = @Content(schema = @Schema(implementation = VoidResponse.class))), //
 276             @ApiResponse(
 277                 responseCode = "404",
 278                 description = "Enrichment Information type is not found", //
 279                 content = @Content(schema = @Schema(implementation = ErrorResponse.ErrorInfo.class))) //
 280         })
 281     public Mono<ResponseEntity<Object>> putIndividualInfoJob( //
 282         @PathVariable("infoJobId") String jobId, //
 283         @RequestBody ConsumerJobInfo informationJobObject) {
 284
 285         final boolean isNewJob = this.jobs.get(jobId) == null;
 286
 287         return validatePutInfoJob(jobId, informationJobObject) //
 288             .flatMap(this::startInfoSubscriptionJob) //
 289             .doOnNext(newEiJob -> this.jobs.put(newEiJob)) //
 290             .flatMap(newEiJob -> Mono.just(new ResponseEntity<>(isNewJob ? HttpStatus.CREATED : HttpStatus.OK)))
 291             .onErrorResume(throwable -> Mono.just(ErrorResponse.create(throwable, HttpStatus.NOT_FOUND)));
 292     }
 293
 294     private Mono<EiJob> startInfoSubscriptionJob(EiJob newInfoJob) {
 295         return this.producerCallbacks.startInfoSubscriptionJob(newInfoJob, infoProducers) //
 296             .doOnNext(noOfAcceptingProducers -> this.logger.debug("Started job {}, number of activated producers: {}",
 297                 newInfoJob.getId(), noOfAcceptingProducers)) //
 298             .flatMap(noOfAcceptingProducers -> Mono.just(newInfoJob));
 299     }
 300
 301     private Mono<EiJob> validatePutInfoJob(String jobId, ConsumerJobInfo jobInfo) {
 302         try {
 303             EiType infoType = this.infoTypes.getType(jobInfo.infoTypeId);
 304             validateJsonObjectAgainstSchema(infoType.getJobDataSchema(), jobInfo.jobDefinition);
 305             EiJob existingEiJob = this.jobs.get(jobId);
 306
 307             if (existingEiJob != null && !existingEiJob.getTypeId().equals(jobInfo.infoTypeId)) {
 308                 throw new ServiceException("Not allowed to change type for existing job", HttpStatus.CONFLICT);
 309             }
 310             return Mono.just(toEiJob(jobInfo, jobId, infoType));
 311         } catch (Exception e) {
 312             return Mono.error(e);
 313         }
 314     }
 315
 316     private void validateJsonObjectAgainstSchema(Object schemaObj, Object object) throws ServiceException {
 317         if (schemaObj != null) { // schema is optional for now
 318             try {
 319                 ObjectMapper mapper = new ObjectMapper();
 320
 321                 String schemaAsString = mapper.writeValueAsString(schemaObj);
 322                 JSONObject schemaJSON = new JSONObject(schemaAsString);
 323                 org.everit.json.schema.Schema schema = org.everit.json.schema.loader.SchemaLoader.load(schemaJSON);
 324
 325                 String objectAsString = mapper.writeValueAsString(object);
 326                 JSONObject json = new JSONObject(objectAsString);
 327                 schema.validate(json);
 328             } catch (Exception e) {
 329                 throw new ServiceException("Json validation failure " + e.toString(), HttpStatus.CONFLICT);
 330             }
 331         }
 332     }
 333
 334     private EiJob toEiJob(ConsumerJobInfo info, String id, EiType type) {
 335         return EiJob.builder() //
 336             .id(id) //
 337             .typeId(type.getId()) //
 338             .owner(info.owner) //
 339             .jobData(info.jobDefinition) //
 340             .targetUrl(info.jobResultUri) //
 341             .jobStatusUrl(info.statusNotificationUri == null ? "" : info.statusNotificationUri) //
 342             .build();
 343     }
 344
 345     private ConsumerInfoTypeInfo toInfoTypeInfo(EiType type) {
 346         return new ConsumerInfoTypeInfo(type.getJobDataSchema());
 347     }
 348
 349     private ConsumerJobInfo toInfoJobInfo(EiJob s) {
 350         return new ConsumerJobInfo(s.getTypeId(), s.getJobData(), s.getOwner(), s.getTargetUrl(), s.getJobStatusUrl());
 351     }
 352 }