bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/cnfm/tasks/CnfmHttpServiceProviderImpl.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2023 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 package org.onap.so.bpmn.infrastructure.adapter.cnfm.tasks;
  21
  22 import static org.onap.so.bpmn.infrastructure.adapter.cnfm.tasks.CnfmHttpServiceConfiguration.CNFM_HTTP_REST_SERVICE_PROVIDER_BEAN;
  23 import java.net.URI;
  24 import java.util.Optional;
  25 import org.onap.so.cnfm.lcm.model.AsInstance;
  26 import org.onap.so.cnfm.lcm.model.AsLcmOpOcc;
  27 import org.onap.so.cnfm.lcm.model.CreateAsRequest;
  28 import org.onap.so.cnfm.lcm.model.InstantiateAsRequest;
  29 import org.onap.so.cnfm.lcm.model.TerminateAsRequest;
  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 CnfmHttpServiceProviderImpl implements CnfmHttpServiceProvider {
  44
  45     private static final Logger LOGGER = LoggerFactory.getLogger(CnfmHttpServiceProviderImpl.class);
  46     private final CnfmUrlProvider cnfmUrlProvider;
  47     private final HttpRestServiceProvider httpServiceProvider;
  48
  49     @Autowired
  50     public CnfmHttpServiceProviderImpl(final CnfmUrlProvider cnfmUrlProvider,
  51             @Qualifier(CNFM_HTTP_REST_SERVICE_PROVIDER_BEAN) final HttpRestServiceProvider httpServiceProvider) {
  52         this.cnfmUrlProvider = cnfmUrlProvider;
  53         this.httpServiceProvider = httpServiceProvider;
  54     }
  55
  56     @Override
  57     public Optional<AsInstance> invokeCreateAsRequest(final CreateAsRequest createAsRequest) {
  58         try {
  59             final String url = cnfmUrlProvider.getCreateAsRequestUrl();
  60             final ResponseEntity<AsInstance> response =
  61                     httpServiceProvider.postHttpRequest(createAsRequest, url, AsInstance.class);
  62
  63             final HttpStatus httpStatus = response.getStatusCode();
  64             if (httpStatus.is2xxSuccessful()) {
  65                 if (!response.hasBody()) {
  66                     LOGGER.error("Received response without body: {}", response);
  67                     return Optional.empty();
  68                 }
  69
  70                 final AsInstance asInstance = response.getBody();
  71                 if (asInstance.getAsInstanceid() == null || asInstance.getAsInstanceid().isEmpty()) {
  72                     LOGGER.error("Received invalid response missing asInstanceid: {}", response);
  73                     return Optional.empty();
  74                 }
  75                 return Optional.of(asInstance);
  76             }
  77             LOGGER.error("Unable to invoke HTTP POST using URL: {}, Response Code: {}", url, httpStatus.value());
  78             return Optional.empty();
  79
  80         } catch (final RestProcessingException | InvalidRestRequestException
  81                 | HttpResouceNotFoundException httpInvocationException) {
  82             LOGGER.error("Unexpected error while processing create and instantiation request", httpInvocationException);
  83             return Optional.empty();
  84         }
  85     }
  86
  87     @Override
  88     public Optional<URI> invokeInstantiateAsRequest(InstantiateAsRequest instantiateAsRequest, String asInstanceId) {
  89         try {
  90
  91             final String url = cnfmUrlProvider.getInstantiateAsRequestUrl(asInstanceId);
  92             final ResponseEntity<AsInstance> response =
  93                     httpServiceProvider.postHttpRequest(instantiateAsRequest, url, AsInstance.class);
  94             final HttpStatus httpStatus = response.getStatusCode();
  95             if (httpStatus.is2xxSuccessful()) {
  96                 URI statusUri = response.getHeaders().getLocation();
  97                 if (statusUri == null) {
  98                     LOGGER.error("Received response without status URL for instance ID: {}", asInstanceId);
  99                     return Optional.empty();
 100                 }
 101                 return Optional.of(statusUri);
 102             }
 103             LOGGER.error("Unable to invoke HTTP POST using URL: {}, Response Code: {}", url, httpStatus.value());
 104             return Optional.empty();
 105
 106         } catch (final RestProcessingException | InvalidRestRequestException
 107                 | HttpResouceNotFoundException httpInvocationException) {
 108             LOGGER.error("Unexpected error while processing instantiation request", httpInvocationException);
 109             return Optional.empty();
 110         }
 111
 112     }
 113
 114     @Override
 115     public Optional<AsLcmOpOcc> getOperationJobStatus(final String url) {
 116         try {
 117             final ResponseEntity<AsLcmOpOcc> response = httpServiceProvider.getHttpResponse(url, AsLcmOpOcc.class);
 118
 119             final HttpStatus httpStatus = response.getStatusCode();
 120
 121             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 122                 LOGGER.error("Unable to invoke HTTP GET using URL: {}, Response Code: {}", url, httpStatus.value());
 123                 return Optional.empty();
 124             }
 125
 126             if (!response.hasBody()) {
 127                 LOGGER.error("CNFM status response recieved without body: {}", response);
 128                 return Optional.empty();
 129             }
 130             return Optional.of(response.getBody());
 131         } catch (final RestProcessingException | InvalidRestRequestException
 132                 | HttpResouceNotFoundException httpInvocationException) {
 133             LOGGER.error("Unexpected error while processing job request", httpInvocationException);
 134             throw httpInvocationException;
 135         }
 136     }
 137
 138     @Override
 139     public Optional<Boolean> invokeDeleteAsRequest(String asInstanceId) {
 140         try {
 141
 142             final String url = cnfmUrlProvider.getDeleteAsRequestUrl(asInstanceId);
 143             LOGGER.debug("Will send request to CNFM by uisng the url: {}", url);
 144
 145             ResponseEntity<Void> response = httpServiceProvider.deleteHttpRequest(url, Void.class);
 146             final HttpStatus httpStatus = response.getStatusCode();
 147             if (!(httpStatus.is2xxSuccessful())) {
 148                 LOGGER.error("Unable to invoke HTTP DELETE using URL: {}, Response Code: {}", url, httpStatus.value());
 149                 return Optional.empty();
 150             }
 151             return Optional.of(Boolean.TRUE);
 152         } catch (final RestProcessingException | InvalidRestRequestException
 153                 | HttpResouceNotFoundException httpInvocationException) {
 154             LOGGER.error("Unexpected error while processing delete request", httpInvocationException);
 155             return Optional.empty();
 156         }
 157     }
 158
 159     @Override
 160     public Optional<URI> invokeTerminateAsRequest(String asInstanceId, TerminateAsRequest terminateAsRequest) {
 161         try {
 162
 163             final String url = cnfmUrlProvider.getTerminateAsRequestUrl(asInstanceId);
 164             LOGGER.debug("Will send request to CNFM to terminate by uisng the url: {}", url);
 165
 166             ResponseEntity<Void> response = httpServiceProvider.postHttpRequest(terminateAsRequest, url, Void.class);
 167             final HttpStatus httpStatus = response.getStatusCode();
 168             if (httpStatus.is2xxSuccessful()) {
 169                 URI statusUri = response.getHeaders().getLocation();
 170                 if (statusUri == null) {
 171                     LOGGER.error("Received response without status URL while terminating of instance with ID: {}",
 172                             asInstanceId);
 173                     return Optional.empty();
 174                 }
 175                 return Optional.of(statusUri);
 176             }
 177             LOGGER.error("Unable to invoke HTTP DELETE while terminating by using URL: {}, Response Code: {}", url,
 178                     httpStatus.value());
 179             return Optional.empty();
 180
 181         } catch (final RestProcessingException | InvalidRestRequestException
 182                 | HttpResouceNotFoundException httpInvocationException) {
 183             LOGGER.error("Unexpected error while processing terminate request", httpInvocationException);
 184             return Optional.empty();
 185         }
 186     }
 187
 188 }