gerrit.onap Code Review - so.git/blob

   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     public static final String HEAT_STACK_ID = "heatStackId";
  67
  68     @Autowired
  69     private ExtractPojosForBB extractPojosForBB;
  70
  71     @Autowired
  72     private ExceptionBuilder exceptionUtil;
  73
  74     public void preProcessVnfAdapter(BuildingBlockExecution execution) {
  75         try {
  76             GeneralBuildingBlock gBBInput = execution.getGeneralBuildingBlock();
  77             ServiceInstance serviceInstance =
  78                     extractPojosForBB.extractByKey(execution, ResourceKey.SERVICE_INSTANCE_ID);
  79             execution.setVariable("mso-request-id", gBBInput.getRequestContext().getMsoRequestId());
  80             execution.setVariable("mso-service-instance-id", serviceInstance.getServiceInstanceId());
  81             execution.setVariable(HEAT_STACK_ID, null);
  82             execution.setVariable(CONTRAIL_SERVICE_INSTANCE_FQDN, null);
  83             execution.setVariable(OAM_MANAGEMENT_V4_ADDRESS, null);
  84             execution.setVariable(OAM_MANAGEMENT_V6_ADDRESS, null);
  85             execution.setVariable(CONTRAIL_NETWORK_POLICY_FQDN_LIST, null);
  86         } catch (Exception ex) {
  87             exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
  88         }
  89     }
  90
  91     public void postProcessVnfAdapter(BuildingBlockExecution execution) {
  92         try {
  93             String vnfAdapterResponse = execution.getVariable("vnfAdapterRestV1Response");
  94             if (!StringUtils.isEmpty(vnfAdapterResponse)) {
  95                 Object vnfRestResponse = unMarshal(vnfAdapterResponse);
  96                 if (vnfRestResponse instanceof CreateVfModuleResponse) {
  97                     VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID);
  98                     String heatStackId = ((CreateVfModuleResponse) vnfRestResponse).getVfModuleStackId();
  99                     if (!StringUtils.isEmpty(heatStackId)) {
 100                         vfModule.setHeatStackId(heatStackId);
 101                         execution.setVariable(HEAT_STACK_ID, heatStackId);
 102                     }
 103                     Map<String, String> vfModuleOutputs =
 104                             ((CreateVfModuleResponse) vnfRestResponse).getVfModuleOutputs();
 105                     if (vfModuleOutputs != null) {
 106                         processVfModuleOutputs(execution, vfModuleOutputs);
 107                     }
 108                 } else if (vnfRestResponse instanceof DeleteVfModuleResponse) {
 109                     VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID);
 110                     GenericVnf genericVnf = extractPojosForBB.extractByKey(execution, ResourceKey.GENERIC_VNF_ID);
 111                     Boolean vfModuleDelete = ((DeleteVfModuleResponse) vnfRestResponse).getVfModuleDeleted();
 112                     if (null != vfModuleDelete && vfModuleDelete) {
 113                         vfModule.setHeatStackId(null);
 114                         execution.setVariable(HEAT_STACK_ID, null);
 115                         Map<String, String> vfModuleOutputs =
 116                                 ((DeleteVfModuleResponse) vnfRestResponse).getVfModuleOutputs();
 117                         if (vfModuleOutputs != null) {
 118                             processVfModuleOutputs(execution, vfModuleOutputs);
 119                             if (execution.getVariable(OAM_MANAGEMENT_V4_ADDRESS) != null) {
 120                                 genericVnf.setIpv4OamAddress("");
 121                                 execution.setVariable(OAM_MANAGEMENT_V4_ADDRESS, "");
 122                             }
 123                             if (execution.getVariable(OAM_MANAGEMENT_V6_ADDRESS) != null) {
 124                                 genericVnf.setManagementV6Address("");
 125                                 execution.setVariable(OAM_MANAGEMENT_V6_ADDRESS, "");
 126                             }
 127                             if (execution.getVariable(CONTRAIL_SERVICE_INSTANCE_FQDN) != null) {
 128                                 vfModule.setContrailServiceInstanceFqdn("");
 129                                 execution.setVariable(CONTRAIL_SERVICE_INSTANCE_FQDN, "");
 130                             }
 131                         }
 132                     }
 133                 } else if (vnfRestResponse instanceof CreateVolumeGroupResponse) {
 134                     VolumeGroup volumeGroup = extractPojosForBB.extractByKey(execution, ResourceKey.VOLUME_GROUP_ID);
 135                     String heatStackId = ((CreateVolumeGroupResponse) vnfRestResponse).getVolumeGroupStackId();
 136                     if (!StringUtils.isEmpty(heatStackId)) {
 137                         volumeGroup.setHeatStackId(heatStackId);
 138                         execution.setVariable(HEAT_STACK_ID, heatStackId);
 139                     } else {
 140                         exceptionUtil.buildAndThrowWorkflowException(execution, 7000,
 141                                 "HeatStackId is missing from create VolumeGroup Vnf Adapter response.");
 142                     }
 143                 } else if (vnfRestResponse instanceof DeleteVolumeGroupResponse) {
 144                     VolumeGroup volumeGroup = extractPojosForBB.extractByKey(execution, ResourceKey.VOLUME_GROUP_ID);
 145                     Boolean volumeGroupDelete = ((DeleteVolumeGroupResponse) vnfRestResponse).getVolumeGroupDeleted();
 146                     if (null != volumeGroupDelete && volumeGroupDelete) {
 147                         volumeGroup.setHeatStackId(null);
 148                         execution.setVariable(HEAT_STACK_ID, null);
 149                     }
 150                 }
 151             }
 152         } catch (Exception ex) {
 153             exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
 154         }
 155     }
 156
 157     private Object unMarshal(String input) throws MarshallerException {
 158         try {
 159             SAXParserFactory spf = SAXParserFactory.newInstance();
 160             spf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
 161             spf.setFeature("http://xml.org/sax/features/external-general-entities", false);
 162             spf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
 163             spf.setNamespaceAware(true);
 164             XMLReader xmlReader = spf.newSAXParser().getXMLReader();
 165
 166             JAXBContext jaxbContext = JAXBContext.newInstance(CreateVfModuleResponse.class,
 167                     CreateVolumeGroupResponse.class, DeleteVfModuleResponse.class, DeleteVolumeGroupResponse.class);
 168             Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();
 169
 170             InputSource inputSource = new InputSource(new StringReader(input));
 171             SAXSource source = new SAXSource(xmlReader, inputSource);
 172             return jaxbUnmarshaller.unmarshal(source);
 173         } catch (Exception e) {
 174             logger.error("{} {} {}", MessageEnum.GENERAL_EXCEPTION.toString(), ErrorCode.SchemaError.getValue(),
 175                     e.getMessage(), e);
 176             throw new MarshallerException("Error parsing VNF Adapter response. " + e.getMessage(),
 177                     ErrorCode.SchemaError.getValue(), e);
 178         }
 179     }
 180
 181     private void processVfModuleOutputs(BuildingBlockExecution execution, Map<String, String> vfModuleOutputs) {
 182         if (vfModuleOutputs == null) {
 183             return;
 184         }
 185         try {
 186             VfModule vfModule = extractPojosForBB.extractByKey(execution, ResourceKey.VF_MODULE_ID);
 187             GenericVnf genericVnf = extractPojosForBB.extractByKey(execution, ResourceKey.GENERIC_VNF_ID);
 188             List<String> contrailNetworkPolicyFqdnList = new ArrayList<>();
 189             Iterator<String> keys = vfModuleOutputs.keySet().iterator();
 190             while (keys.hasNext()) {
 191                 String key = keys.next();
 192                 if (key.equals("contrail-service-instance-fqdn")) {
 193                     String contrailServiceInstanceFqdn = vfModuleOutputs.get(key);
 194                     logger.debug("Obtained contrailServiceInstanceFqdn: {}", contrailServiceInstanceFqdn);
 195                     vfModule.setContrailServiceInstanceFqdn(contrailServiceInstanceFqdn);
 196                     execution.setVariable(CONTRAIL_SERVICE_INSTANCE_FQDN, contrailServiceInstanceFqdn);
 197                 } else if (key.endsWith("contrail_network_policy_fqdn")) {
 198                     String contrailNetworkPolicyFqdn = vfModuleOutputs.get(key);
 199                     logger.debug("Obtained contrailNetworkPolicyFqdn: {}", contrailNetworkPolicyFqdn);
 200                     contrailNetworkPolicyFqdnList.add(contrailNetworkPolicyFqdn);
 201                 } else if (key.equals("oam_management_v4_address")) {
 202                     String oamManagementV4Address = vfModuleOutputs.get(key);
 203                     logger.debug("Obtained oamManagementV4Address: {}", oamManagementV4Address);
 204                     genericVnf.setIpv4OamAddress(oamManagementV4Address);
 205                     execution.setVariable(OAM_MANAGEMENT_V4_ADDRESS, oamManagementV4Address);
 206                 } else if (key.equals("oam_management_v6_address")) {
 207                     String oamManagementV6Address = vfModuleOutputs.get(key);
 208                     logger.debug("Obtained oamManagementV6Address: {}", oamManagementV6Address);
 209                     genericVnf.setManagementV6Address(oamManagementV6Address);
 210                     execution.setVariable(OAM_MANAGEMENT_V6_ADDRESS, oamManagementV6Address);
 211                 }
 212
 213                 if (!contrailNetworkPolicyFqdnList.isEmpty()) {
 214                     execution.setVariable(CONTRAIL_NETWORK_POLICY_FQDN_LIST,
 215                             String.join(",", contrailNetworkPolicyFqdnList));
 216                 }
 217             }
 218         } catch (Exception ex) {
 219             exceptionUtil.buildAndThrowWorkflowException(execution, 7000, ex);
 220         }
 221
 222     }
 223 }