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.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 CnfmHttpServiceProviderImpl implements CnfmHttpServiceProvider {
  43
  44     private static final Logger LOGGER = LoggerFactory.getLogger(CnfmHttpServiceProviderImpl.class);
  45     private final CnfmUrlProvider cnfmUrlProvider;
  46     private final HttpRestServiceProvider httpServiceProvider;
  47
  48     @Autowired
  49     public CnfmHttpServiceProviderImpl(final CnfmUrlProvider cnfmUrlProvider,
  50             @Qualifier(CNFM_HTTP_REST_SERVICE_PROVIDER_BEAN) final HttpRestServiceProvider httpServiceProvider) {
  51         this.cnfmUrlProvider = cnfmUrlProvider;
  52         this.httpServiceProvider = httpServiceProvider;
  53     }
  54
  55     @Override
  56     public Optional<AsInstance> invokeCreateAsRequest(final CreateAsRequest createAsRequest) {
  57         try {
  58             final String url = cnfmUrlProvider.getCreateAsRequestUrl();
  59             final ResponseEntity<AsInstance> response =
  60                     httpServiceProvider.postHttpRequest(createAsRequest, url, AsInstance.class);
  61
  62             final HttpStatus httpStatus = response.getStatusCode();
  63             if (httpStatus.is2xxSuccessful()) {
  64                 if (!response.hasBody()) {
  65                     LOGGER.error("Received response without body: {}", response);
  66                     return Optional.empty();
  67                 }
  68
  69                 final AsInstance asInstance = response.getBody();
  70                 if (asInstance.getAsInstanceid() == null || asInstance.getAsInstanceid().isEmpty()) {
  71                     LOGGER.error("Received invalid response missing asInstanceid: {}", response);
  72                     return Optional.empty();
  73                 }
  74                 return Optional.of(asInstance);
  75             }
  76             LOGGER.error("Unable to invoke HTTP POST using URL: {}, Response Code: {}", url, httpStatus.value());
  77             return Optional.empty();
  78
  79         } catch (final RestProcessingException | InvalidRestRequestException
  80                 | HttpResouceNotFoundException httpInvocationException) {
  81             LOGGER.error("Unexpected error while processing create and instantiation request", httpInvocationException);
  82             return Optional.empty();
  83         }
  84     }
  85
  86     @Override
  87     public Optional<URI> invokeInstantiateAsRequest(InstantiateAsRequest instantiateAsRequest, String asInstanceId) {
  88         try {
  89
  90             final String url = cnfmUrlProvider.getInstantiateAsRequestUrl(asInstanceId);
  91             final ResponseEntity<AsInstance> response =
  92                     httpServiceProvider.postHttpRequest(instantiateAsRequest, url, AsInstance.class);
  93             final HttpStatus httpStatus = response.getStatusCode();
  94             if (httpStatus.is2xxSuccessful()) {
  95                 URI statusUri = response.getHeaders().getLocation();
  96                 if (statusUri == null) {
  97                     LOGGER.error("Received response without status URL for instance ID: {}", asInstanceId);
  98                     return Optional.empty();
  99                 }
 100                 return Optional.of(statusUri);
 101             }
 102             LOGGER.error("Unable to invoke HTTP POST using URL: {}, Response Code: {}", url, httpStatus.value());
 103             return Optional.empty();
 104
 105         } catch (final RestProcessingException | InvalidRestRequestException
 106                 | HttpResouceNotFoundException httpInvocationException) {
 107             LOGGER.error("Unexpected error while processing instantiation request", httpInvocationException);
 108             return Optional.empty();
 109         }
 110
 111     }
 112
 113     @Override
 114     public Optional<AsLcmOpOcc> getInstantiateOperationJobStatus(final String url) {
 115         try {
 116             final ResponseEntity<AsLcmOpOcc> response = httpServiceProvider.getHttpResponse(url, AsLcmOpOcc.class);
 117
 118             final HttpStatus httpStatus = response.getStatusCode();
 119
 120             if (!(httpStatus.equals(HttpStatus.ACCEPTED)) && !(httpStatus.equals(HttpStatus.OK))) {
 121                 LOGGER.error("Unable to invoke HTTP GET using URL: {}, Response Code: ", url, httpStatus.value());
 122                 return Optional.empty();
 123             }
 124
 125             if (!response.hasBody()) {
 126                 LOGGER.error("CNFM status response recieved without body: {}", response);
 127                 return Optional.empty();
 128             }
 129             return Optional.of(response.getBody());
 130         } catch (final RestProcessingException | InvalidRestRequestException
 131                 | HttpResouceNotFoundException httpInvocationException) {
 132             LOGGER.error("Unexpected error while processing job request", httpInvocationException);
 133             throw httpInvocationException;
 134         }
 135     }
 136
 137 }