bpmn/so-bpmn-tasks/src/main/java/org/onap/so/bpmn/infrastructure/adapter/vnf/tasks/VnfAdapterImpl.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Modifications Copyright (c) 2019 Samsung
   8  * ================================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.so.bpmn.infrastructure.adapter.vnf.tasks;
  24
  25 import org.apache.commons.lang3.StringUtils;
  26 import org.onap.so.adapters.vnfrest.CreateVfModuleResponse;
  27 import org.onap.so.adapters.vnfrest.CreateVolumeGroupResponse;
  28 import org.onap.so.adapters.vnfrest.DeleteVfModuleResponse;
  29 import org.onap.so.adapters.vnfrest.DeleteVolumeGroupResponse;
  30 import org.onap.so.bpmn.common.BuildingBlockExecution;
  31 import org.onap.so.bpmn.servicedecomposition.bbobjects.GenericVnf;
  32 import org.onap.so.bpmn.servicedecomposition.bbobjects.ServiceInstance;
  33 import org.onap.so.bpmn.servicedecomposition.bbobjects.VfModule;
  34 import org.onap.so.bpmn.servicedecomposition.bbobjects.VolumeGroup;
  35 import org.onap.so.bpmn.servicedecomposition.entities.GeneralBuildingBlock;
  36 import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
  37 import org.onap.so.bpmn.servicedecomposition.tasks.ExtractPojosForBB;
  38 import org.onap.so.client.exception.ExceptionBuilder;
  39 import org.onap.so.exceptions.MarshallerException;
  40 import org.onap.so.logger.ErrorCode;
  41 import org.onap.so.logger.MessageEnum;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44 import org.springframework.beans.factory.annotation.Autowired;
  45 import org.springframework.stereotype.Component;
  46 import org.xml.sax.InputSource;
  47 import org.xml.sax.XMLReader;
  48 import javax.xml.XMLConstants;
  49 import javax.xml.bind.JAXBContext;
  50 import javax.xml.bind.Unmarshaller;
  51 import javax.xml.parsers.SAXParserFactory;
  52 import javax.xml.transform.sax.SAXSource;
  53 import java.io.StringReader;
  54 import java.util.ArrayList;
  55 import java.util.Iterator;
  56 import java.util.List;
  57 import java.util.Map;
  58
  59 @Component
  60 public class VnfAdapterImpl {
  61     private static final Logger logger = LoggerFactory.getLogger(VnfAdapterImpl.class);
  62     private static final String CONTRAIL_SERVICE_INSTANCE_FQDN = "contrailServiceInstanceFqdn";
  63     private static final String OAM_MANAGEMENT_V4_ADDRESS = "oamManagementV4Address";
  64     private static final String OAM_MANAGEMENT_V6_ADDRESS = "oamManagementV6Address";
  65     private static final String CONTRAIL_NETWORK_POLICY_FQDN_LIST = "contrailNetworkPolicyFqdnList";
  66
  67     @Autowired
  68     private ExtractPojosForBB extractPojosForBB;
  69
  70     @Autowired
  71     private ExceptionBuilder exceptionUtil;
  72
  73     public void preProcessVnfAdapter(BuildingBlockExecution execution) {
  74         try {
  75             GeneralBuildingBlock gBBInput = execution.getGeneralBuildingBlock();
  76             ServiceInstance serviceInstance =
  77                     extractPojosForBB.extractByKey(execution, ResourceKey.SERVICE_INSTANCE_ID);
  78             execution.setVariable("mso-request-id", gBBInput.getRequestContext().getMsoRequestId());
  79             execution.setVariable("mso-service-instance-id", serviceInstance.getServiceInstanceId());
  80             execution.setVariable("heatStackId", null);
  81             execution.setVariable(CONTRAIL_SERVICE_INSTANCE_FQDN, null);
  82             execution.setVariable(OAM_MANAGEMENT_V4_ADDRESS, null);
  83             execution.setVariable(OAM_MANAGEMENT_V6_ADDRESS, null);
  84             execution.setVariable(CONTRAIL_NETWORK_POLICY_FQDN_LIST, null);
  85         } catch (Exception ex) {
  86             exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
  87         }
  88     }
  89
  90     public void postProcessVnfAdapter(BuildingBlockExecution execution) {
  91         try {
  92             String vnfAdapterResponse = execution.getVariable("vnfAdapterRestV1Response");
  93             if (!StringUtils.isEmpty(vnfAdapterResponse)) {
  94                 Object vnfRestResponse = unMarshal(vnfAdapterResponse);
  95                 if (vnfRestResponse instanceof CreateVfModuleResponse) {
  96                     VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID);
  97                     String heatStackId = ((CreateVfModuleResponse) vnfRestResponse).getVfModuleStackId();
  98                     if (!StringUtils.isEmpty(heatStackId)) {
  99                         vfModule.setHeatStackId(heatStackId);
 100                         execution.setVariable("heatStackId", heatStackId);
 101                     }
 102                     Map<String, String> vfModuleOutputs =
 103                             ((CreateVfModuleResponse) vnfRestResponse).getVfModuleOutputs();
 104                     if (vfModuleOutputs != null) {
 105                         processVfModuleOutputs(execution, vfModuleOutputs);
 106                     }
 107                 } else if (vnfRestResponse instanceof DeleteVfModuleResponse) {
 108                     VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID);
 109                     GenericVnf genericVnf = extractPojosForBB.extractByKey(execution, ResourceKey.GENERIC_VNF_ID);
 110                     Boolean vfModuleDelete = ((DeleteVfModuleResponse) vnfRestResponse).getVfModuleDeleted();
 111                     if (null != vfModuleDelete && vfModuleDelete) {
 112                         vfModule.setHeatStackId(null);
 113                         execution.setVariable("heatStackId", null);
 114                         Map<String, String> vfModuleOutputs =
 115                                 ((DeleteVfModuleResponse) vnfRestResponse).getVfModuleOutputs();
 116                         if (vfModuleOutputs != null) {
 117                             processVfModuleOutputs(execution, vfModuleOutputs);
 118                             if (execution.getVariable(OAM_MANAGEMENT_V4_ADDRESS) != null) {
 119                                 genericVnf.setIpv4OamAddress("");
 120                                 execution.setVariable(OAM_MANAGEMENT_V4_ADDRESS, "");
 121                             }
 122                             if (execution.getVariable(OAM_MANAGEMENT_V6_ADDRESS) != null) {
 123                                 genericVnf.setManagementV6Address("");
 124                                 execution.setVariable(OAM_MANAGEMENT_V6_ADDRESS, "");
 125                             }
 126                             if (execution.getVariable(CONTRAIL_SERVICE_INSTANCE_FQDN) != null) {
 127                                 vfModule.setContrailServiceInstanceFqdn("");
 128                                 execution.setVariable(CONTRAIL_SERVICE_INSTANCE_FQDN, "");
 129                             }
 130                         }
 131                     }
 132                 } else if (vnfRestResponse instanceof CreateVolumeGroupResponse) {
 133                     VolumeGroup volumeGroup = extractPojosForBB.extractByKey(execution, ResourceKey.VOLUME_GROUP_ID);
 134                     String heatStackId = ((CreateVolumeGroupResponse) vnfRestResponse).getVolumeGroupStackId();
 135                     if (!StringUtils.isEmpty(heatStackId)) {
 136                         volumeGroup.setHeatStackId(heatStackId);
 137                         execution.setVariable("heatStackId", heatStackId);
 138                     } else {
 139                         exceptionUtil.buildAndThrowWorkflowException(execution, 7000,
 140                                 "HeatStackId is missing from create VolumeGroup Vnf Adapter response.");
 141                     }
 142                 } else if (vnfRestResponse instanceof DeleteVolumeGroupResponse) {
 143                     VolumeGroup volumeGroup = extractPojosForBB.extractByKey(execution, ResourceKey.VOLUME_GROUP_ID);
 144                     Boolean volumeGroupDelete = ((DeleteVolumeGroupResponse) vnfRestResponse).getVolumeGroupDeleted();
 145                     if (null != volumeGroupDelete && volumeGroupDelete) {
 146                         volumeGroup.setHeatStackId(null);
 147                         execution.setVariable("heatStackId", null);
 148                     }
 149                 }
 150             }
 151         } catch (Exception ex) {
 152             exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
 153         }
 154     }
 155
 156     private Object unMarshal(String input) throws MarshallerException {
 157         try {
 158             SAXParserFactory spf = SAXParserFactory.newInstance();
 159             spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
 160             spf.setFeature("http://xml.org/sax/features/external-general-entities", false);
 161             spf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
 162             spf.setNamespaceAware(true);
 163             XMLReader xmlReader = spf.newSAXParser().getXMLReader();
 164
 165             JAXBContext jaxbContext = JAXBContext.newInstance(CreateVfModuleResponse.class,
 166                     CreateVolumeGroupResponse.class, DeleteVfModuleResponse.class, DeleteVolumeGroupResponse.class);
 167             Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
 168
 169             InputSource inputSource = new InputSource(new StringReader(input));
 170             SAXSource source = new SAXSource(xmlReader, inputSource);
 171             return jaxbUnmarshaller.unmarshal(source);
 172         } catch (Exception e) {
 173             logger.error("{} {} {}", MessageEnum.GENERAL_EXCEPTION.toString(), ErrorCode.SchemaError.getValue(),
 174                     e.getMessage(), e);
 175             throw new MarshallerException("Error parsing VNF Adapter response. " + e.getMessage(),
 176                     ErrorCode.SchemaError.getValue(), e);
 177         }
 178     }
 179
 180     private void processVfModuleOutputs(BuildingBlockExecution execution, Map<String, String> vfModuleOutputs) {
 181         if (vfModuleOutputs == null) {
 182             return;
 183         }
 184         try {
 185             VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID);
 186             GenericVnf genericVnf = extractPojosForBB.extractByKey(execution, ResourceKey.GENERIC_VNF_ID);
 187             List<String> contrailNetworkPolicyFqdnList = new ArrayList<String>();
 188             Iterator<String> keys = vfModuleOutputs.keySet().iterator();
 189             while (keys.hasNext()) {
 190                 String key = keys.next();
 191                 if (key.equals("contrail-service-instance-fqdn")) {
 192                     String contrailServiceInstanceFqdn = vfModuleOutputs.get(key);
 193                     logger.debug("Obtained contrailServiceInstanceFqdn: {}", contrailServiceInstanceFqdn);
 194                     vfModule.setContrailServiceInstanceFqdn(contrailServiceInstanceFqdn);
 195                     execution.setVariable(CONTRAIL_SERVICE_INSTANCE_FQDN, contrailServiceInstanceFqdn);
 196                 } else if (key.endsWith("contrail_network_policy_fqdn")) {
 197                     String contrailNetworkPolicyFqdn = vfModuleOutputs.get(key);
 198                     logger.debug("Obtained contrailNetworkPolicyFqdn: {}", contrailNetworkPolicyFqdn);
 199                     contrailNetworkPolicyFqdnList.add(contrailNetworkPolicyFqdn);
 200                 } else if (key.equals("oam_management_v4_address")) {
 201                     String oamManagementV4Address = vfModuleOutputs.get(key);
 202                     logger.debug("Obtained oamManagementV4Address: {}", oamManagementV4Address);
 203                     genericVnf.setIpv4OamAddress(oamManagementV4Address);
 204                     execution.setVariable(OAM_MANAGEMENT_V4_ADDRESS, oamManagementV4Address);
 205                 } else if (key.equals("oam_management_v6_address")) {
 206                     String oamManagementV6Address = vfModuleOutputs.get(key);
 207                     logger.debug("Obtained oamManagementV6Address: {}", oamManagementV6Address);
 208                     genericVnf.setManagementV6Address(oamManagementV6Address);
 209                     execution.setVariable(OAM_MANAGEMENT_V6_ADDRESS, oamManagementV6Address);
 210                 }
 211
 212                 if (!contrailNetworkPolicyFqdnList.isEmpty()) {
 213                     execution.setVariable(CONTRAIL_NETWORK_POLICY_FQDN_LIST,
 214                             String.join(",", contrailNetworkPolicyFqdnList));
 215                 }
 216             }
 217         } catch (Exception ex) {
 218             exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
 219         }
 220
 221     }
 222 }