bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnfm/tasks/VnfmAdapterServiceProviderImpl.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2019 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
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  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.
  16  *
  17  * SPDX-License-Identifier: Apache-2.0
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks;
  22
  23 import org.onap.so.rest.exceptions.InvalidRestRequestException;
  24 import org.onap.so.rest.exceptions.RestProcessingException;
  25 import org.onap.so.rest.service.HttpRestServiceProvider;
  26 import org.onap.vnfmadapter.v1.model.CreateVnfRequest;
  27 import org.onap.vnfmadapter.v1.model.CreateVnfResponse;
  28 import org.onap.vnfmadapter.v1.model.DeleteVnfResponse;
  29 import org.onap.vnfmadapter.v1.model.QueryJobResponse;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32 import org.springframework.beans.factory.annotation.Autowired;
  33 import org.springframework.http.HttpStatus;
  34 import org.springframework.http.ResponseEntity;
  35 import org.springframework.stereotype.Service;
  36 import com.google.common.base.Optional;
  37
  38 /**
  39  * @author waqas.ikram@est.tech
  40  */
  41 @Service
  42 public class VnfmAdapterServiceProviderImpl implements VnfmAdapterServiceProvider {
  43
  44     private static final Logger LOGGER = LoggerFactory.getLogger(VnfmAdapterServiceProviderImpl.class);
  45     public static final String RECEIVED_RESPONSE_WITHOUT_BODY = "Received response without body: {}";
  46
  47     private final VnfmAdapterUrlProvider urlProvider;
  48     private final HttpRestServiceProvider httpServiceProvider;
  49
  50     @Autowired
  51     public VnfmAdapterServiceProviderImpl(final VnfmAdapterUrlProvider urlProvider,
  52             final HttpRestServiceProvider httpServiceProvider) {
  53         this.urlProvider = urlProvider;
  54         this.httpServiceProvider = httpServiceProvider;
  55     }
  56
  57     @Override
  58     public Optional<CreateVnfResponse> invokeCreateInstantiationRequest(final String vnfId,
  59             final CreateVnfRequest request) {
  60         try {
  61             final String url = urlProvider.getCreateInstantiateUrl(vnfId);
  62
  63             final ResponseEntity<CreateVnfResponse> response =
  64                     httpServiceProvider.postHttpRequest(request, url, CreateVnfResponse.class);
  65
  66             final HttpStatus httpStatus = response.getStatusCode();
  67             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
  68                 LOGGER.error("Unable to invoke HTTP POST using URL: {}, Response Code: {}", url, httpStatus.value());
  69                 return Optional.absent();
  70             }
  71
  72             if (!response.hasBody()) {
  73                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
  74                 return Optional.absent();
  75             }
  76
  77             final CreateVnfResponse createVnfResponse = response.getBody();
  78
  79             if (createVnfResponse.getJobId() == null || createVnfResponse.getJobId().isEmpty()) {
  80                 LOGGER.error("Received invalid instantiation response: {}", response);
  81                 return Optional.absent();
  82             }
  83
  84             return Optional.of(createVnfResponse);
  85         } catch (final RestProcessingException | InvalidRestRequestException httpInvocationException) {
  86             LOGGER.error("Unexpected error while processing create and instantiation request", httpInvocationException);
  87             return Optional.absent();
  88         }
  89
  90     }
  91
  92     @Override
  93     public Optional<DeleteVnfResponse> invokeDeleteRequest(final String vnfId) {
  94         try {
  95             final String url = urlProvider.getDeleteUrl(vnfId);
  96             LOGGER.debug("Will send request to vnfm adapter using url: {}", url);
  97
  98             final ResponseEntity<DeleteVnfResponse> response =
  99                     httpServiceProvider.deleteHttpRequest(url, DeleteVnfResponse.class);
 100
 101             LOGGER.debug("Response received: ", response);
 102
 103             final HttpStatus httpStatus = response.getStatusCode();
 104
 105             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 106                 LOGGER.error("Unable to invoke HTTP DELETE using URL: {}, Response Code: {}", url, httpStatus.value());
 107                 return Optional.absent();
 108             }
 109
 110             if (!response.hasBody()) {
 111                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 112                 return Optional.absent();
 113             }
 114             final DeleteVnfResponse deleteVnfResponse = response.getBody();
 115
 116             if (deleteVnfResponse.getJobId() == null || deleteVnfResponse.getJobId().isEmpty()) {
 117                 LOGGER.error("Received invalid delete response: {}", response);
 118                 return Optional.absent();
 119             }
 120             return Optional.of(deleteVnfResponse);
 121         } catch (final RestProcessingException | InvalidRestRequestException httpInvocationException) {
 122             LOGGER.error("Unexpected error while processing delete request", httpInvocationException);
 123             return Optional.absent();
 124         }
 125     }
 126
 127     @Override
 128     public Optional<QueryJobResponse> getInstantiateOperationJobStatus(final String jobId) {
 129         try {
 130             final String url = urlProvider.getJobStatusUrl(jobId);
 131
 132             final ResponseEntity<QueryJobResponse> response =
 133                     httpServiceProvider.getHttpResponse(url, QueryJobResponse.class);
 134
 135             final HttpStatus httpStatus = response.getStatusCode();
 136
 137             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 138                 LOGGER.error("Unable to invoke HTTP GET using URL: {}, Response Code: ", url, httpStatus.value());
 139                 return Optional.absent();
 140             }
 141
 142             if (!response.hasBody()) {
 143                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 144                 return Optional.absent();
 145             }
 146             return Optional.of(response.getBody());
 147         } catch (final RestProcessingException | InvalidRestRequestException httpInvocationException) {
 148             LOGGER.error("Unexpected error while processing job request", httpInvocationException);
 149             return Optional.absent();
 150         }
 151     }
 152 }