holmes-actions/src/main/java/org/onap/holmes/common/dmaap/DmaapService.java

   1 /*
   2  * Copyright 2017 ZTE Corporation.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package org.onap.holmes.common.dmaap;
  17
  18 import java.util.Optional;
  19 import java.util.UUID;
  20 import java.util.concurrent.ConcurrentHashMap;
  21 import javax.inject.Inject;
  22 import lombok.extern.slf4j.Slf4j;
  23 import org.jvnet.hk2.annotations.Service;
  24 import org.onap.holmes.common.aai.AaiQuery;
  25 import org.onap.holmes.common.aai.entity.RelationshipList.Relationship;
  26 import org.onap.holmes.common.aai.entity.VmEntity;
  27 import org.onap.holmes.common.aai.entity.VnfEntity;
  28 import org.onap.holmes.common.api.stat.VesAlarm;
  29 import org.onap.holmes.common.dcae.DcaeConfigurationsCache;
  30 import org.onap.holmes.common.dmaap.entity.PolicyMsg;
  31 import org.onap.holmes.common.dmaap.entity.PolicyMsg.EVENT_STATUS;
  32 import org.onap.holmes.common.exception.CorrelationException;
  33 import org.onap.holmes.common.utils.GsonUtil;
  34
  35 @Slf4j
  36 @Service
  37 public class DmaapService {
  38
  39     @Inject
  40     private AaiQuery aaiQuery;
  41     public static final ConcurrentHashMap<String, String> loopControlNames = new ConcurrentHashMap<>();
  42     public static final ConcurrentHashMap<String, String> alarmUniqueRequestID = new ConcurrentHashMap<>();
  43
  44     public void publishPolicyMsg(PolicyMsg policyMsg, String dmaapConfigKey) {
  45         try {
  46             Publisher publisher = new Publisher();
  47             publisher.setUrl(DcaeConfigurationsCache.getPubSecInfo(dmaapConfigKey).getDmaapInfo()
  48                     .getTopicUrl());
  49             publisher.publish(policyMsg);
  50             deleteRequestId(policyMsg);
  51             log.info("send policyMsg: " + GsonUtil.beanToJson(policyMsg));
  52         } catch (CorrelationException e) {
  53             log.error("Failed to publish the control loop event to DMaaP", e);
  54         } catch (NullPointerException e) {
  55             log.error("DMaaP configurations do not exist!");
  56         }
  57     }
  58
  59     public PolicyMsg getPolicyMsg(VesAlarm rootAlarm, VesAlarm childAlarm, String packgeName) {
  60         return Optional.ofNullable(getVmEntity(rootAlarm.getSourceId(), rootAlarm.getSourceName()))
  61                 .map(vmEntity -> getEnrichedPolicyMsg(vmEntity, rootAlarm, childAlarm, packgeName))
  62                 .orElse(getDefaultPolicyMsg(rootAlarm, packgeName));
  63     }
  64
  65     private PolicyMsg getEnrichedPolicyMsg(VmEntity vmEntity, VesAlarm rootAlarm, VesAlarm childAlarm,
  66             String packageName) {
  67         PolicyMsg policyMsg = new PolicyMsg();
  68         policyMsg.setRequestID(getUniqueRequestId(rootAlarm));
  69         if (rootAlarm.getAlarmIsCleared() == PolicyMassgeConstant.POLICY_MESSAGE_ONSET) {
  70             enrichVnfInfo(vmEntity, childAlarm, policyMsg);
  71             policyMsg.setClosedLoopEventStatus(EVENT_STATUS.ONSET);
  72             try {
  73                 policyMsg.getAai().put("vserver.in-maint", Boolean.valueOf(vmEntity.getInMaint()).booleanValue());
  74             } catch (Exception e) {
  75                 log.error("Failed to parse the field \"in-maint\". A boolean string (\"true\"/\"false\")"
  76                         + " is expected but the actual value is " + vmEntity.getInMaint() + ".", e);
  77             }
  78             try {
  79                 policyMsg.getAai().put("vserver.is-closed-loop-disabled",
  80                         Boolean.valueOf(vmEntity.getClosedLoopDisable()).booleanValue());
  81             } catch (Exception e) {
  82                 log.error("Failed to parse the field \"is-closed-loop-disabled\". A boolean string (\"true\"/\"false\")"
  83                         + " is expected but the actual value is " + vmEntity.getClosedLoopDisable() + ".", e);
  84             }
  85             policyMsg.getAai().put("vserver.prov-status", vmEntity.getProvStatus());
  86             policyMsg.getAai().put("vserver.resource-version", vmEntity.getResourceVersion());
  87         } else {
  88             policyMsg.setClosedLoopAlarmEnd(rootAlarm.getLastEpochMicrosec());
  89             policyMsg.setClosedLoopEventStatus(EVENT_STATUS.ABATED);
  90         }
  91         policyMsg.setClosedLoopControlName(loopControlNames.get(packageName));
  92         policyMsg.setClosedLoopAlarmStart(rootAlarm.getStartEpochMicrosec());
  93         policyMsg.getAai().put("vserver.vserver-id", vmEntity.getVserverId());
  94         policyMsg.getAai().put("vserver.vserver-name", vmEntity.getVserverName());
  95         policyMsg.getAai().put("vserver.vserver-name2", vmEntity.getVserverName2());
  96         policyMsg.getAai().put("vserver.vserver-selflink", vmEntity.getVserverSelflink());
  97         policyMsg.setTarget("vserver.vserver-name");
  98         return policyMsg;
  99     }
 100
 101     private PolicyMsg getDefaultPolicyMsg(VesAlarm rootAlarm, String packageName) {
 102         PolicyMsg policyMsg = new PolicyMsg();
 103         policyMsg.setRequestID(getUniqueRequestId(rootAlarm));
 104         policyMsg.setClosedLoopControlName(loopControlNames.get(packageName));
 105         policyMsg.setClosedLoopAlarmStart(rootAlarm.getStartEpochMicrosec());
 106         policyMsg.setTarget("vserver.vserver-name");
 107         policyMsg.setTargetType("VM");
 108         policyMsg.getAai().put("vserver.vserver-name", rootAlarm.getSourceName());
 109         if (rootAlarm.getAlarmIsCleared() == PolicyMassgeConstant.POLICY_MESSAGE_ABATED) {
 110             policyMsg.setClosedLoopAlarmEnd(rootAlarm.getLastEpochMicrosec());
 111             policyMsg.setClosedLoopEventStatus(EVENT_STATUS.ABATED);
 112         }
 113         return policyMsg;
 114     }
 115
 116     private String getUniqueRequestId(VesAlarm rootAlarm) {
 117         String alarmUniqueKey = "";
 118         if (rootAlarm.getAlarmIsCleared() == PolicyMassgeConstant.POLICY_MESSAGE_ABATED) {
 119             alarmUniqueKey =
 120                     rootAlarm.getSourceId() + ":" + rootAlarm.getEventName().replace("Cleared", "");
 121         } else {
 122             alarmUniqueKey = rootAlarm.getSourceId() + ":" + rootAlarm.getEventName();
 123         }
 124         if (alarmUniqueRequestID.containsKey(alarmUniqueKey)) {
 125             return alarmUniqueRequestID.get(alarmUniqueKey);
 126         } else {
 127             String requestID = UUID.randomUUID().toString();
 128             alarmUniqueRequestID.put(alarmUniqueKey, requestID);
 129             return requestID;
 130         }
 131     }
 132
 133     private void enrichVnfInfo(VmEntity vmEntity, VesAlarm childAlarm, PolicyMsg policyMsg) {
 134         String vnfId = "";
 135         String vnfName = "";
 136         if (null != childAlarm) {
 137             vnfId = childAlarm.getSourceId();
 138             vnfName = childAlarm.getSourceName();
 139         } else {
 140             Relationship relationship = vmEntity.getRelationshipList()
 141                     .getRelationship(PolicyMassgeConstant.GENERIC_VNF);
 142             if (null != relationship) {
 143                 vnfId = relationship.getRelationshipDataValue(PolicyMassgeConstant.GENERIC_VNF_VNF_ID);
 144                 vnfName = relationship.getRelatedToPropertyValue(PolicyMassgeConstant.GENERIC_VNF_VNF_NAME);
 145             }
 146         }
 147         VnfEntity vnfEntity = getVnfEntity(vnfId, vnfName);
 148         String vserverInstatnceId = getVserverInstanceId(vnfEntity);
 149         policyMsg.getAai().put("generic-vnf.vnf-id", vnfId);
 150         policyMsg.getAai().put("generic-vnf.service-instance-id", vserverInstatnceId);
 151     }
 152
 153
 154     private String getVserverInstanceId(VnfEntity vnfEntity) {
 155         String vserverInstanceId = "";
 156         if (vnfEntity != null) {
 157             Relationship relationship = vnfEntity.getRelationshipList()
 158                     .getRelationship(PolicyMassgeConstant.SERVICE_INSTANCE);
 159             if (relationship == null) {
 160                 return vserverInstanceId;
 161             }
 162             vserverInstanceId = relationship
 163                     .getRelationshipDataValue(PolicyMassgeConstant.SERVICE_INSTANCE_ID);
 164         }
 165         return vserverInstanceId;
 166     }
 167
 168     private VnfEntity getVnfEntity(String vnfId, String vnfName) {
 169         VnfEntity vnfEntity = null;
 170         try {
 171             vnfEntity = aaiQuery.getAaiVnfData(vnfId, vnfName);
 172         } catch (CorrelationException e) {
 173             log.error("Failed to get the VNF data.", e);
 174         }
 175         return vnfEntity;
 176     }
 177
 178     private VmEntity getVmEntity(String sourceId, String sourceName) {
 179         VmEntity vmEntity = null;
 180         try {
 181             vmEntity = aaiQuery.getAaiVmData(sourceId, sourceName);
 182         } catch (CorrelationException e) {
 183             log.error("Failed to get the VM data.", e);
 184         }
 185         return vmEntity;
 186     }
 187
 188     private void deleteRequestId(PolicyMsg policyMsg){
 189         String status = policyMsg.getClosedLoopEventStatus().toString();
 190         if(status == "ABATED"){
 191             String requestId = policyMsg.getRequestID();
 192             for(String key: alarmUniqueRequestID.keySet()){
 193                 if(alarmUniqueRequestID.get(key).equals(requestId)){
 194                     alarmUniqueRequestID.remove(key);
 195                 }
 196             }
 197             log.info("Clear alarm, requestId deleted successful");
 198         }
 199     }
 200 }