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.apache.commons.lang3.StringUtils;
  26 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfRequest;
  27 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfResponse;
  28 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.DeleteVnfResponse;
  29 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.QueryJobResponse;
  30 import org.onap.so.rest.exceptions.HttpResouceNotFoundException;
  31 import org.onap.so.rest.exceptions.InvalidRestRequestException;
  32 import org.onap.so.rest.exceptions.RestProcessingException;
  33 import org.onap.so.rest.service.HttpRestServiceProvider;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36 import org.springframework.beans.factory.annotation.Autowired;
  37 import org.springframework.beans.factory.annotation.Qualifier;
  38 import org.springframework.http.HttpStatus;
  39 import org.springframework.http.ResponseEntity;
  40 import org.springframework.stereotype.Service;
  41
  42 @Service
  43 public class Sol003AdapterServiceProviderImpl implements Sol003AdapterServiceProvider {
  44
  45     private static final Logger LOGGER = LoggerFactory.getLogger(Sol003AdapterServiceProviderImpl.class);
  46     public static final String RECEIVED_RESPONSE_WITHOUT_BODY = "Received response without body: {}";
  47
  48     private final Sol003AdapterUrlProvider urlProvider;
  49     private final HttpRestServiceProvider httpServiceProvider;
  50
  51     @Autowired
  52     public Sol003AdapterServiceProviderImpl(final Sol003AdapterUrlProvider urlProvider,
  53             @Qualifier(SOL003_ADAPTER_HTTP_REST_SERVICE_PROVIDER_BEAN) 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.empty();
  71             }
  72
  73             if (!response.hasBody()) {
  74                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
  75                 return Optional.empty();
  76             }
  77
  78             final CreateVnfResponse createVnfResponse = response.getBody();
  79
  80             if (StringUtils.isBlank(createVnfResponse.getJobId())) {
  81                 LOGGER.error("Received invalid instantiation response: {}", response);
  82                 return Optional.empty();
  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.empty();
  90         }
  91
  92     }
  93
  94     @Override
  95     public Optional<QueryJobResponse> getInstantiateOperationJobStatus(final String jobId) {
  96         try {
  97             final String url = urlProvider.getJobStatusUrl(jobId);
  98
  99             final ResponseEntity<QueryJobResponse> response =
 100                     httpServiceProvider.getHttpResponse(url, QueryJobResponse.class);
 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 GET using URL: {}, Response Code: ", url, httpStatus.value());
 106                 return Optional.empty();
 107             }
 108
 109             if (!response.hasBody()) {
 110                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 111                 return Optional.empty();
 112             }
 113             return Optional.of(response.getBody());
 114         } catch (final RestProcessingException | InvalidRestRequestException | HttpResouceNotFoundException exception) {
 115             LOGGER.error("Unexpected error while processing job request", exception);
 116             throw exception;
 117         }
 118     }
 119
 120     @Override
 121     public Optional<DeleteVnfResponse> invokeTerminationRequest(final String vnfId) {
 122         try {
 123             final String url = urlProvider.getTerminateVnfUrl(vnfId);
 124
 125             final ResponseEntity<DeleteVnfResponse> response =
 126                     httpServiceProvider.deleteHttpRequest(url, DeleteVnfResponse.class);
 127             final HttpStatus httpStatus = response.getStatusCode();
 128             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 129                 LOGGER.error("Unable to invoke HTTP DELETE using URL: {}, Response Code: {}", url, httpStatus.value());
 130                 return Optional.empty();
 131             }
 132             if (!response.hasBody()) {
 133                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 134                 return Optional.empty();
 135             }
 136
 137             final DeleteVnfResponse deleteVnfResponse = response.getBody();
 138             if (StringUtils.isBlank(deleteVnfResponse.getJobId())) {
 139                 LOGGER.error("Received invalid terminate response: {}", response);
 140                 return Optional.empty();
 141             }
 142
 143             return Optional.of(deleteVnfResponse);
 144         } catch (final RestProcessingException | InvalidRestRequestException
 145                 | HttpResouceNotFoundException httpInvocationException) {
 146             LOGGER.error("Unexpected error while processing terminate request", httpInvocationException);
 147             return Optional.empty();
 148         }
 149     }
 150 }