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.adapters.etsisol003adapter.lcm.v1.model.CreateVnfRequest;
  24 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfResponse;
  25 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.DeleteVnfResponse;
  26 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.QueryJobResponse;
  27 import org.onap.so.rest.exceptions.HttpResouceNotFoundException;
  28 import org.onap.so.rest.exceptions.InvalidRestRequestException;
  29 import org.onap.so.rest.exceptions.RestProcessingException;
  30 import org.onap.so.rest.service.HttpRestServiceProvider;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33 import org.springframework.beans.factory.annotation.Autowired;
  34 import org.springframework.http.HttpStatus;
  35 import org.springframework.http.ResponseEntity;
  36 import org.springframework.stereotype.Service;
  37 import com.google.common.base.Optional;
  38
  39 /**
  40  * @author waqas.ikram@est.tech
  41  */
  42 @Service
  43 public class VnfmAdapterServiceProviderImpl implements VnfmAdapterServiceProvider {
  44
  45     private static final Logger LOGGER = LoggerFactory.getLogger(VnfmAdapterServiceProviderImpl.class);
  46     public static final String RECEIVED_RESPONSE_WITHOUT_BODY = "Received response without body: {}";
  47
  48     private final VnfmAdapterUrlProvider urlProvider;
  49     private final HttpRestServiceProvider httpServiceProvider;
  50
  51     @Autowired
  52     public VnfmAdapterServiceProviderImpl(final VnfmAdapterUrlProvider urlProvider,
  53             final HttpRestServiceProvider httpServiceProvider) {
  54         this.urlProvider = urlProvider;
  55         this.httpServiceProvider = httpServiceProvider;
  56     }
  57
  58     @Override
  59     public Optional<CreateVnfResponse> invokeCreateInstantiationRequest(final String vnfId,
  60             final CreateVnfRequest request) {
  61         try {
  62             final String url = urlProvider.getCreateInstantiateUrl(vnfId);
  63
  64             final ResponseEntity<CreateVnfResponse> response =
  65                     httpServiceProvider.postHttpRequest(request, url, CreateVnfResponse.class);
  66
  67             final HttpStatus httpStatus = response.getStatusCode();
  68             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
  69                 LOGGER.error("Unable to invoke HTTP POST using URL: {}, Response Code: {}", url, httpStatus.value());
  70                 return Optional.absent();
  71             }
  72
  73             if (!response.hasBody()) {
  74                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
  75                 return Optional.absent();
  76             }
  77
  78             final CreateVnfResponse createVnfResponse = response.getBody();
  79
  80             if (createVnfResponse.getJobId() == null || createVnfResponse.getJobId().isEmpty()) {
  81                 LOGGER.error("Received invalid instantiation response: {}", response);
  82                 return Optional.absent();
  83             }
  84
  85             return Optional.of(createVnfResponse);
  86         } catch (final RestProcessingException | InvalidRestRequestException
  87                 | HttpResouceNotFoundException httpInvocationException) {
  88             LOGGER.error("Unexpected error while processing create and instantiation request", httpInvocationException);
  89             return Optional.absent();
  90         }
  91
  92     }
  93
  94     @Override
  95     public Optional<DeleteVnfResponse> invokeDeleteRequest(final String vnfId) {
  96         try {
  97             final String url = urlProvider.getDeleteUrl(vnfId);
  98             LOGGER.debug("Will send request to vnfm adapter using url: {}", url);
  99
 100             final ResponseEntity<DeleteVnfResponse> response =
 101                     httpServiceProvider.deleteHttpRequest(url, DeleteVnfResponse.class);
 102
 103             LOGGER.debug("Response received: ", response);
 104
 105             final HttpStatus httpStatus = response.getStatusCode();
 106
 107             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 108                 LOGGER.error("Unable to invoke HTTP DELETE using URL: {}, Response Code: {}", url, httpStatus.value());
 109                 return Optional.absent();
 110             }
 111
 112             if (!response.hasBody()) {
 113                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 114                 return Optional.absent();
 115             }
 116             final DeleteVnfResponse deleteVnfResponse = response.getBody();
 117
 118             if (deleteVnfResponse.getJobId() == null || deleteVnfResponse.getJobId().isEmpty()) {
 119                 LOGGER.error("Received invalid delete response: {}", response);
 120                 return Optional.absent();
 121             }
 122             return Optional.of(deleteVnfResponse);
 123         } catch (final RestProcessingException | InvalidRestRequestException httpInvocationException) {
 124             LOGGER.error("Unexpected error while processing delete request", httpInvocationException);
 125             return Optional.absent();
 126         }
 127     }
 128
 129     @Override
 130     public Optional<QueryJobResponse> getInstantiateOperationJobStatus(final String jobId) {
 131         try {
 132             final String url = urlProvider.getJobStatusUrl(jobId);
 133
 134             final ResponseEntity<QueryJobResponse> response =
 135                     httpServiceProvider.getHttpResponse(url, QueryJobResponse.class);
 136
 137             final HttpStatus httpStatus = response.getStatusCode();
 138
 139             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 140                 LOGGER.error("Unable to invoke HTTP GET using URL: {}, Response Code: ", url, httpStatus.value());
 141                 return Optional.absent();
 142             }
 143
 144             if (!response.hasBody()) {
 145                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 146                 return Optional.absent();
 147             }
 148             return Optional.of(response.getBody());
 149         } catch (final RestProcessingException | InvalidRestRequestException
 150                 | HttpResouceNotFoundException httpInvocationException) {
 151             LOGGER.error("Unexpected error while processing job request", httpInvocationException);
 152             throw httpInvocationException;
 153         }
 154     }
 155 }