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
 
   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.so.bpmn.infrastructure.adapter.vnfm.tasks;
 
  23 import com.google.common.base.Optional;
 
  24 import org.onap.so.rest.exceptions.InvalidRestRequestException;
 
  25 import org.onap.so.rest.exceptions.HttpResouceNotFoundException;
 
  26 import org.onap.so.rest.exceptions.RestProcessingException;
 
  27 import org.onap.so.rest.service.HttpRestServiceProvider;
 
  28 import org.onap.vnfmadapter.v1.model.CreateVnfRequest;
 
  29 import org.onap.vnfmadapter.v1.model.CreateVnfResponse;
 
  30 import org.onap.vnfmadapter.v1.model.DeleteVnfResponse;
 
  31 import org.onap.vnfmadapter.v1.model.QueryJobResponse;
 
  32 import org.slf4j.Logger;
 
  33 import org.slf4j.LoggerFactory;
 
  34 import org.springframework.beans.factory.annotation.Autowired;
 
  35 import org.springframework.http.HttpStatus;
 
  36 import org.springframework.http.ResponseEntity;
 
  37 import org.springframework.stereotype.Service;
 
  40  * @author waqas.ikram@est.tech
 
  43 public class VnfmAdapterServiceProviderImpl implements VnfmAdapterServiceProvider {
 
  45     private static final Logger LOGGER = LoggerFactory.getLogger(VnfmAdapterServiceProviderImpl.class);
 
  46     public static final String RECEIVED_RESPONSE_WITHOUT_BODY = "Received response without body: {}";
 
  48     private final VnfmAdapterUrlProvider urlProvider;
 
  49     private final HttpRestServiceProvider httpServiceProvider;
 
  52     public VnfmAdapterServiceProviderImpl(final VnfmAdapterUrlProvider urlProvider,
 
  53             final HttpRestServiceProvider httpServiceProvider) {
 
  54         this.urlProvider = urlProvider;
 
  55         this.httpServiceProvider = httpServiceProvider;
 
  59     public Optional<CreateVnfResponse> invokeCreateInstantiationRequest(final String vnfId,
 
  60             final CreateVnfRequest request) {
 
  62             final String url = urlProvider.getCreateInstantiateUrl(vnfId);
 
  64             final ResponseEntity<CreateVnfResponse> response =
 
  65                     httpServiceProvider.postHttpRequest(request, url, CreateVnfResponse.class);
 
  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();
 
  73             if (!response.hasBody()) {
 
  74                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 
  75                 return Optional.absent();
 
  78             final CreateVnfResponse createVnfResponse = response.getBody();
 
  80             if (createVnfResponse.getJobId() == null || createVnfResponse.getJobId().isEmpty()) {
 
  81                 LOGGER.error("Received invalid instantiation response: {}", response);
 
  82                 return Optional.absent();
 
  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();
 
  95     public Optional<DeleteVnfResponse> invokeDeleteRequest(final String vnfId) {
 
  97             final String url = urlProvider.getDeleteUrl(vnfId);
 
  98             LOGGER.debug("Will send request to vnfm adapter using url: {}", url);
 
 100             final ResponseEntity<DeleteVnfResponse> response =
 
 101                     httpServiceProvider.deleteHttpRequest(url, DeleteVnfResponse.class);
 
 103             LOGGER.debug("Response received: ", response);
 
 105             final HttpStatus httpStatus = response.getStatusCode();
 
 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();
 
 112             if (!response.hasBody()) {
 
 113                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 
 114                 return Optional.absent();
 
 116             final DeleteVnfResponse deleteVnfResponse = response.getBody();
 
 118             if (deleteVnfResponse.getJobId() == null || deleteVnfResponse.getJobId().isEmpty()) {
 
 119                 LOGGER.error("Received invalid delete response: {}", response);
 
 120                 return Optional.absent();
 
 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();
 
 130     public Optional<QueryJobResponse> getInstantiateOperationJobStatus(final String jobId) {
 
 132             final String url = urlProvider.getJobStatusUrl(jobId);
 
 134             final ResponseEntity<QueryJobResponse> response =
 
 135                     httpServiceProvider.getHttpResponse(url, QueryJobResponse.class);
 
 137             final HttpStatus httpStatus = response.getStatusCode();
 
 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();
 
 144             if (!response.hasBody()) {
 
 145                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 
 146                 return Optional.absent();
 
 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;