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             log.info("send policyMsg: " + GsonUtil.beanToJson(policyMsg));
  51         } catch (CorrelationException e) {
  52             log.error("Failed to publish the control loop event to DMaaP", e);
  53         } catch (NullPointerException e) {
  54             log.error("DMaaP configurations do not exist!");
  55         }
  56     }
  57
  58     public PolicyMsg getPolicyMsg(VesAlarm rootAlarm, VesAlarm childAlarm, String packgeName) {
  59         return Optional.ofNullable(getVmEntity(rootAlarm.getSourceId(), rootAlarm.getSourceName()))
  60                 .map(vmEntity -> getEnrichedPolicyMsg(vmEntity, rootAlarm, childAlarm, packgeName))
  61                 .orElse(getDefaultPolicyMsg(rootAlarm, packgeName));
  62     }
  63
  64     private PolicyMsg getEnrichedPolicyMsg(VmEntity vmEntity, VesAlarm rootAlarm, VesAlarm childAlarm,
  65             String packageName) {
  66         PolicyMsg policyMsg = new PolicyMsg();
  67         policyMsg.setRequestID(getUniqueRequestId(rootAlarm));
  68         if (rootAlarm.getAlarmIsCleared() == PolicyMassgeConstant.POLICY_MESSAGE_ONSET) {
  69             enrichVnfInfo(vmEntity, childAlarm, policyMsg);
  70             policyMsg.setClosedLoopEventStatus(EVENT_STATUS.ONSET);
  71             try {
  72                 policyMsg.getAai().put("vserver.in-maint", Boolean.valueOf(vmEntity.getInMaint()).booleanValue());
  73             } catch (Exception e) {
  74                 log.error("Failed to parse the field \"in-maint\". A boolean string (\"true\"/\"false\")"
  75                         + " is expected but the actual value is " + vmEntity.getInMaint() + ".", e);
  76             }
  77             try {
  78                 policyMsg.getAai().put("vserver.is-closed-loop-disabled",
  79                         Boolean.valueOf(vmEntity.getClosedLoopDisable()).booleanValue());
  80             } catch (Exception e) {
  81                 log.error("Failed to parse the field \"is-closed-loop-disabled\". A boolean string (\"true\"/\"false\")"
  82                         + " is expected but the actual value is " + vmEntity.getClosedLoopDisable() + ".", e);
  83             }
  84             policyMsg.getAai().put("vserver.prov-status", vmEntity.getProvStatus());
  85             policyMsg.getAai().put("vserver.resource-version", vmEntity.getResourceVersion());
  86         } else {
  87             policyMsg.setClosedLoopAlarmEnd(rootAlarm.getLastEpochMicrosec());
  88             policyMsg.setClosedLoopEventStatus(EVENT_STATUS.ABATED);
  89         }
  90         policyMsg.setClosedLoopControlName(loopControlNames.get(packageName));
  91         policyMsg.setClosedLoopAlarmStart(rootAlarm.getStartEpochMicrosec());
  92         policyMsg.getAai().put("vserver.vserver-id", vmEntity.getVserverId());
  93         policyMsg.getAai().put("vserver.vserver-name", vmEntity.getVserverName());
  94         policyMsg.getAai().put("vserver.vserver-name2", vmEntity.getVserverName2());
  95         policyMsg.getAai().put("vserver.vserver-selflink", vmEntity.getVserverSelflink());
  96         policyMsg.setTarget("vserver.vserver-name");
  97         return policyMsg;
  98     }
  99
 100     private PolicyMsg getDefaultPolicyMsg(VesAlarm rootAlarm, String packageName) {
 101         PolicyMsg policyMsg = new PolicyMsg();
 102         policyMsg.setRequestID(getUniqueRequestId(rootAlarm));
 103         policyMsg.setClosedLoopControlName(loopControlNames.get(packageName));
 104         policyMsg.setClosedLoopAlarmStart(rootAlarm.getStartEpochMicrosec());
 105         policyMsg.setTarget("vserver.vserver-name");
 106         policyMsg.setTargetType("VM");
 107         policyMsg.getAai().put("vserver.vserver-name", rootAlarm.getSourceName());
 108         if (rootAlarm.getAlarmIsCleared() == PolicyMassgeConstant.POLICY_MESSAGE_ABATED) {
 109             policyMsg.setClosedLoopAlarmEnd(rootAlarm.getLastEpochMicrosec());
 110             policyMsg.setClosedLoopEventStatus(EVENT_STATUS.ABATED);
 111         }
 112         return policyMsg;
 113     }
 114
 115     private String getUniqueRequestId(VesAlarm rootAlarm) {
 116         String alarmUniqueKey = "";
 117         if (rootAlarm.getAlarmIsCleared() == PolicyMassgeConstant.POLICY_MESSAGE_ABATED) {
 118             alarmUniqueKey =
 119                     rootAlarm.getSourceId() + ":" + rootAlarm.getEventName().replace("Cleared", "");
 120         } else {
 121             alarmUniqueKey = rootAlarm.getSourceId() + ":" + rootAlarm.getEventName();
 122         }
 123         if (alarmUniqueRequestID.containsKey(alarmUniqueKey)) {
 124             return alarmUniqueRequestID.get(alarmUniqueKey);
 125         } else {
 126             String requestID = UUID.randomUUID().toString();
 127             alarmUniqueRequestID.put(alarmUniqueKey, requestID);
 128             return requestID;
 129         }
 130     }
 131
 132     private void enrichVnfInfo(VmEntity vmEntity, VesAlarm childAlarm, PolicyMsg policyMsg) {
 133         String vnfId = "";
 134         String vnfName = "";
 135         if (null != childAlarm) {
 136             vnfId = childAlarm.getSourceId();
 137             vnfName = childAlarm.getSourceName();
 138         } else {
 139             Relationship relationship = vmEntity.getRelationshipList()
 140                     .getRelationship(PolicyMassgeConstant.GENERIC_VNF);
 141             if (null != relationship) {
 142                 vnfId = relationship.getRelationshipDataValue(PolicyMassgeConstant.GENERIC_VNF_VNF_ID);
 143                 vnfName = relationship.getRelatedToPropertyValue(PolicyMassgeConstant.GENERIC_VNF_VNF_NAME);
 144             }
 145         }
 146         VnfEntity vnfEntity = getVnfEntity(vnfId, vnfName);
 147         String vserverInstatnceId = getVserverInstanceId(vnfEntity);
 148         policyMsg.getAai().put("generic-vnf.vnf-id", vnfId);
 149         policyMsg.getAai().put("generic-vnf.service-instance-id", vserverInstatnceId);
 150     }
 151
 152
 153     private String getVserverInstanceId(VnfEntity vnfEntity) {
 154         String vserverInstanceId = "";
 155         if (vnfEntity != null) {
 156             Relationship relationship = vnfEntity.getRelationshipList()
 157                     .getRelationship(PolicyMassgeConstant.SERVICE_INSTANCE);
 158             if (relationship == null) {
 159                 return vserverInstanceId;
 160             }
 161             vserverInstanceId = relationship
 162                     .getRelationshipDataValue(PolicyMassgeConstant.SERVICE_INSTANCE_ID);
 163         }
 164         return vserverInstanceId;
 165     }
 166
 167     private VnfEntity getVnfEntity(String vnfId, String vnfName) {
 168         VnfEntity vnfEntity = null;
 169         try {
 170             vnfEntity = aaiQuery.getAaiVnfData(vnfId, vnfName);
 171         } catch (CorrelationException e) {
 172             log.error("Failed to get the VNF data.", e);
 173         }
 174         return vnfEntity;
 175     }
 176
 177     private VmEntity getVmEntity(String sourceId, String sourceName) {
 178         VmEntity vmEntity = null;
 179         try {
 180             vmEntity = aaiQuery.getAaiVmData(sourceId, sourceName);
 181         } catch (CorrelationException e) {
 182             log.error("Failed to get the VM data.", e);
 183         }
 184         return vmEntity;
 185     }
 186 }