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
  46     private final VnfmAdapterUrlProvider urlProvider;
  47     private final HttpRestServiceProvider httpServiceProvider;
  48
  49     @Autowired
  50     public VnfmAdapterServiceProviderImpl(final VnfmAdapterUrlProvider urlProvider,
  51             final HttpRestServiceProvider httpServiceProvider) {
  52         this.urlProvider = urlProvider;
  53         this.httpServiceProvider = httpServiceProvider;
  54     }
  55
  56     @Override
  57     public Optional<CreateVnfResponse> invokeCreateInstantiationRequest(final String vnfId,
  58             final CreateVnfRequest request) {
  59         try {
  60             final String url = urlProvider.getCreateInstantiateUrl(vnfId);
  61
  62             final ResponseEntity<CreateVnfResponse> response =
  63                     httpServiceProvider.postHttpRequest(request, url, CreateVnfResponse.class);
  64
  65             final HttpStatus httpStatus = response.getStatusCode();
  66             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
  67                 LOGGER.error("Unable to invoke HTTP POST using URL: {}, Response Code: {}", url, httpStatus.value());
  68                 return Optional.absent();
  69             }
  70
  71             if (!response.hasBody()) {
  72                 LOGGER.error("Received response without body: {}", response);
  73                 return Optional.absent();
  74             }
  75
  76             final CreateVnfResponse createVnfResponse = response.getBody();
  77
  78             if (createVnfResponse.getJobId() == null || createVnfResponse.getJobId().isEmpty()) {
  79                 LOGGER.error("Received invalid instantiation response: {}", response);
  80                 return Optional.absent();
  81             }
  82
  83             return Optional.of(createVnfResponse);
  84         } catch (final RestProcessingException | InvalidRestRequestException httpInvocationException) {
  85             LOGGER.error("Unexpected error while processing create and instantiation request", httpInvocationException);
  86             return Optional.absent();
  87         }
  88
  89     }
  90
  91     @Override
  92     public Optional<DeleteVnfResponse> invokeDeleteRequest(final String vnfId) {
  93         try {
  94             final String url = urlProvider.getDeleteUrl(vnfId);
  95             LOGGER.debug("Will send request to vnfm adapter using url: {}", url);
  96
  97             final ResponseEntity<DeleteVnfResponse> response =
  98                     httpServiceProvider.deleteHttpRequest(url, DeleteVnfResponse.class);
  99
 100             LOGGER.debug("Response received: ", response);
 101
 102             final HttpStatus httpStatus = response.getStatusCode();
 103
 104             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 105                 LOGGER.error("Unable to invoke HTTP DELETE using URL: {}, Response Code: {}", url, httpStatus.value());
 106                 return Optional.absent();
 107             }
 108
 109             if (!response.hasBody()) {
 110                 LOGGER.error("Received response without body: {}", response);
 111                 return Optional.absent();
 112             }
 113             final DeleteVnfResponse deleteVnfResponse = response.getBody();
 114
 115             if (deleteVnfResponse.getJobId() == null || deleteVnfResponse.getJobId().isEmpty()) {
 116                 LOGGER.error("Received invalid delete response: {}", response);
 117                 return Optional.absent();
 118             }
 119             return Optional.of(deleteVnfResponse);
 120         } catch (final RestProcessingException | InvalidRestRequestException httpInvocationException) {
 121             LOGGER.error("Unexpected error while processing delete request", httpInvocationException);
 122             return Optional.absent();
 123         }
 124     }
 125
 126     @Override
 127     public Optional<QueryJobResponse> getInstantiateOperationJobStatus(final String jobId) {
 128         try {
 129             final String url = urlProvider.getJobStatusUrl(jobId);
 130
 131             final ResponseEntity<QueryJobResponse> response =
 132                     httpServiceProvider.getHttpResponse(url, QueryJobResponse.class);
 133
 134             final HttpStatus httpStatus = response.getStatusCode();
 135
 136             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 137                 LOGGER.error("Unable to invoke HTTP GET using URL: {}, Response Code: ", url, httpStatus.value());
 138                 return Optional.absent();
 139             }
 140
 141             if (!response.hasBody()) {
 142                 LOGGER.error("Received response without body: {}", response);
 143                 return Optional.absent();
 144             }
 145             return Optional.of(response.getBody());
 146         } catch (final RestProcessingException | InvalidRestRequestException httpInvocationException) {
 147             LOGGER.error("Unexpected error while processing job request", httpInvocationException);
 148             throw httpInvocationException;
 149         }
 150     }
 151 }