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 static org.onap.so.bpmn.infrastructure.adapter.vnfm.tasks.VnfmAdapterCreateVnfTaskConfiguration.VNFM_HTTP_REST_SERVICE_PROVIDER_BEAN;
  24 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfRequest;
  25 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.CreateVnfResponse;
  26 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.DeleteVnfResponse;
  27 import org.onap.so.adapters.etsisol003adapter.lcm.v1.model.QueryJobResponse;
  28 import org.onap.so.rest.exceptions.HttpResouceNotFoundException;
  29 import org.onap.so.rest.exceptions.InvalidRestRequestException;
  30 import org.onap.so.rest.exceptions.RestProcessingException;
  31 import org.onap.so.rest.service.HttpRestServiceProvider;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34 import org.springframework.beans.factory.annotation.Autowired;
  35 import org.springframework.beans.factory.annotation.Qualifier;
  36 import org.springframework.http.HttpStatus;
  37 import org.springframework.http.ResponseEntity;
  38 import org.springframework.stereotype.Service;
  39 import com.google.common.base.Optional;
  40
  41 /**
  42  * @author waqas.ikram@est.tech
  43  */
  44 @Service
  45 public class VnfmAdapterServiceProviderImpl implements VnfmAdapterServiceProvider {
  46
  47     private static final Logger LOGGER = LoggerFactory.getLogger(VnfmAdapterServiceProviderImpl.class);
  48     public static final String RECEIVED_RESPONSE_WITHOUT_BODY = "Received response without body: {}";
  49
  50     private final VnfmAdapterUrlProvider urlProvider;
  51     private final HttpRestServiceProvider httpServiceProvider;
  52
  53     @Autowired
  54     public VnfmAdapterServiceProviderImpl(final VnfmAdapterUrlProvider urlProvider,
  55             @Qualifier(VNFM_HTTP_REST_SERVICE_PROVIDER_BEAN) final HttpRestServiceProvider httpServiceProvider) {
  56         this.urlProvider = urlProvider;
  57         this.httpServiceProvider = httpServiceProvider;
  58     }
  59
  60     @Override
  61     public Optional<CreateVnfResponse> invokeCreateInstantiationRequest(final String vnfId,
  62             final CreateVnfRequest request) {
  63         try {
  64             final String url = urlProvider.getCreateInstantiateUrl(vnfId);
  65
  66             final ResponseEntity<CreateVnfResponse> response =
  67                     httpServiceProvider.postHttpRequest(request, url, CreateVnfResponse.class);
  68
  69             final HttpStatus httpStatus = response.getStatusCode();
  70             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
  71                 LOGGER.error("Unable to invoke HTTP POST using URL: {}, Response Code: {}", url, httpStatus.value());
  72                 return Optional.absent();
  73             }
  74
  75             if (!response.hasBody()) {
  76                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
  77                 return Optional.absent();
  78             }
  79
  80             final CreateVnfResponse createVnfResponse = response.getBody();
  81
  82             if (createVnfResponse.getJobId() == null || createVnfResponse.getJobId().isEmpty()) {
  83                 LOGGER.error("Received invalid instantiation response: {}", response);
  84                 return Optional.absent();
  85             }
  86
  87             return Optional.of(createVnfResponse);
  88         } catch (final RestProcessingException | InvalidRestRequestException
  89                 | HttpResouceNotFoundException httpInvocationException) {
  90             LOGGER.error("Unexpected error while processing create and instantiation request", httpInvocationException);
  91             return Optional.absent();
  92         }
  93
  94     }
  95
  96     @Override
  97     public Optional<DeleteVnfResponse> invokeDeleteRequest(final String vnfId) {
  98         try {
  99             final String url = urlProvider.getDeleteUrl(vnfId);
 100             LOGGER.debug("Will send request to vnfm adapter using url: {}", url);
 101
 102             final ResponseEntity<DeleteVnfResponse> response =
 103                     httpServiceProvider.deleteHttpRequest(url, DeleteVnfResponse.class);
 104
 105             LOGGER.debug("Response received: ", response);
 106
 107             final HttpStatus httpStatus = response.getStatusCode();
 108
 109             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 110                 LOGGER.error("Unable to invoke HTTP DELETE using URL: {}, Response Code: {}", url, httpStatus.value());
 111                 return Optional.absent();
 112             }
 113
 114             if (!response.hasBody()) {
 115                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 116                 return Optional.absent();
 117             }
 118             final DeleteVnfResponse deleteVnfResponse = response.getBody();
 119
 120             if (deleteVnfResponse.getJobId() == null || deleteVnfResponse.getJobId().isEmpty()) {
 121                 LOGGER.error("Received invalid delete response: {}", response);
 122                 return Optional.absent();
 123             }
 124             return Optional.of(deleteVnfResponse);
 125         } catch (final RestProcessingException | InvalidRestRequestException httpInvocationException) {
 126             LOGGER.error("Unexpected error while processing delete request", httpInvocationException);
 127             return Optional.absent();
 128         }
 129     }
 130
 131     @Override
 132     public Optional<QueryJobResponse> getInstantiateOperationJobStatus(final String jobId) {
 133         try {
 134             final String url = urlProvider.getJobStatusUrl(jobId);
 135
 136             final ResponseEntity<QueryJobResponse> response =
 137                     httpServiceProvider.getHttpResponse(url, QueryJobResponse.class);
 138
 139             final HttpStatus httpStatus = response.getStatusCode();
 140
 141             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 142                 LOGGER.error("Unable to invoke HTTP GET using URL: {}, Response Code: ", url, httpStatus.value());
 143                 return Optional.absent();
 144             }
 145
 146             if (!response.hasBody()) {
 147                 LOGGER.error(RECEIVED_RESPONSE_WITHOUT_BODY, response);
 148                 return Optional.absent();
 149             }
 150             return Optional.of(response.getBody());
 151         } catch (final RestProcessingException | InvalidRestRequestException
 152                 | HttpResouceNotFoundException httpInvocationException) {
 153             LOGGER.error("Unexpected error while processing job request", httpInvocationException);
 154             throw httpInvocationException;
 155         }
 156     }
 157 }