so-etsi-nfvo/so-etsi-nfvo-ns-lcm/so-etsi-nfvo-ns-lcm-bpmn-flows/src/main/java/org/onap/so/etsi/nfvo/ns/lcm/bpmn/flows/extclients/vnfm/Sol003AdapterServiceProviderImpl.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2020 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.etsi.nfvo.ns.lcm.bpmn.flows.extclients.vnfm;
  22
  23 import static org.onap.so.etsi.nfvo.ns.lcm.bpmn.flows.extclients.vnfm.Sol003AdapterConfiguration.SOL003_ADAPTER_HTTP_REST_SERVICE_PROVIDER_BEAN;
  24 import java.util.Optional;
  25 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfRequest;
  26 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfResponse;
  27 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.DeleteVnfResponse;
  28 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.QueryJobResponse;
  29 import org.onap.so.rest.exceptions.HttpResouceNotFoundException;
  30 import org.onap.so.rest.exceptions.InvalidRestRequestException;
  31 import org.onap.so.rest.exceptions.RestProcessingException;
  32 import org.onap.so.rest.service.HttpRestServiceProvider;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35 import org.springframework.beans.factory.annotation.Autowired;
  36 import org.springframework.beans.factory.annotation.Qualifier;
  37 import org.springframework.http.HttpStatus;
  38 import org.springframework.http.ResponseEntity;
  39 import org.springframework.stereotype.Service;
  40
  41 @Service
  42 public class Sol003AdapterServiceProviderImpl implements Sol003AdapterServiceProvider {
  43
  44     private static final Logger LOGGER = LoggerFactory.getLogger(Sol003AdapterServiceProviderImpl.class);
  45     public static final String RECEIVED_RESPONSE_WITHOUT_BODY = "Received response without body: {}";
  46
  47     private final Sol003AdapterUrlProvider urlProvider;
  48     private final HttpRestServiceProvider httpServiceProvider;
  49
  50     @Autowired
  51     public Sol003AdapterServiceProviderImpl(final Sol003AdapterUrlProvider urlProvider,
  52             @Qualifier(SOL003_ADAPTER_HTTP_REST_SERVICE_PROVIDER_BEAN) 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.empty();
  70             }
  71
  72             if (!response.hasBody()) {
  73                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
  74                 return Optional.empty();
  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.empty();
  82             }
  83
  84             return Optional.of(createVnfResponse);
  85         } catch (final RestProcessingException | InvalidRestRequestException
  86                 | HttpResouceNotFoundException httpInvocationException) {
  87             LOGGER.error("Unexpected error while processing create and instantiation request", httpInvocationException);
  88             return Optional.empty();
  89         }
  90
  91     }
  92
  93     @Override
  94     public Optional<QueryJobResponse> getInstantiateOperationJobStatus(final String jobId) {
  95         try {
  96             final String url = urlProvider.getJobStatusUrl(jobId);
  97
  98             final ResponseEntity<QueryJobResponse> response =
  99                     httpServiceProvider.getHttpResponse(url, QueryJobResponse.class);
 100
 101             final HttpStatus httpStatus = response.getStatusCode();
 102
 103             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 104                 LOGGER.error("Unable to invoke HTTP GET using URL: {}, Response Code: ", url, httpStatus.value());
 105                 return Optional.empty();
 106             }
 107
 108             if (!response.hasBody()) {
 109                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 110                 return Optional.empty();
 111             }
 112             return Optional.of(response.getBody());
 113         } catch (final RestProcessingException | InvalidRestRequestException | HttpResouceNotFoundException exception) {
 114             LOGGER.error("Unexpected error while processing job request", exception);
 115             throw exception;
 116         }
 117     }
 118
 119     @Override
 120     public Optional<DeleteVnfResponse> invokeTerminationRequest(final String vnfId) {
 121         try {
 122             final String url = urlProvider.getTerminateVnfUrl(vnfId);
 123
 124             final ResponseEntity<DeleteVnfResponse> response =
 125                     httpServiceProvider.deleteHttpRequest(url, DeleteVnfResponse.class);
 126             final HttpStatus httpStatus = response.getStatusCode();
 127             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 128                 LOGGER.error("Unable to invoke HTTP DELETE using URL: {}, Response Code: {}", url, httpStatus.value());
 129                 return Optional.empty();
 130             }
 131             if (!response.hasBody()) {
 132                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 133                 return Optional.empty();
 134             }
 135
 136             final DeleteVnfResponse deleteVnfResponse = response.getBody();
 137             if (deleteVnfResponse.getJobId() == null || deleteVnfResponse.getJobId().isEmpty()) {
 138                 LOGGER.error("Received invalid terminate response: {}", response);
 139                 return Optional.empty();
 140             }
 141
 142             return Optional.of(deleteVnfResponse);
 143         } catch (final RestProcessingException | InvalidRestRequestException
 144                 | HttpResouceNotFoundException httpInvocationException) {
 145             LOGGER.error("Unexpected error while processing terminate request", httpInvocationException);
 146             return Optional.empty();
 147         }
 148     }
 149 }