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 com.fasterxml.jackson.core.JsonProcessingException;
  19 import java.util.List;
  20 import java.util.Optional;
  21 import java.util.UUID;
  22 import java.util.concurrent.ConcurrentHashMap;
  23 import javax.inject.Inject;
  24 import lombok.extern.slf4j.Slf4j;
  25 import org.jvnet.hk2.annotations.Service;
  26 import org.onap.holmes.common.aai.AaiQuery;
  27 import org.onap.holmes.common.aai.entity.RelationshipList.RelationshipData;
  28 import org.onap.holmes.common.aai.entity.VmEntity;
  29 import org.onap.holmes.common.aai.entity.VnfEntity;
  30 import org.onap.holmes.common.api.stat.VesAlarm;
  31 import org.onap.holmes.common.dcae.DcaeConfigurationsCache;
  32 import org.onap.holmes.common.dmaap.entity.PolicyMsg;
  33 import org.onap.holmes.common.dmaap.entity.PolicyMsg.EVENT_STATUS;
  34 import org.onap.holmes.common.exception.CorrelationException;
  35 import org.onap.holmes.common.utils.JacksonUtil;
  36
  37 @Slf4j
  38 @Service
  39 public class DmaapService {
  40
  41     public static final int POLICY_MESSAGE_ABATED = 1;
  42
  43     @Inject
  44     private AaiQuery aaiQuery;
  45
  46     public static ConcurrentHashMap<String, String> loopControlNames = new ConcurrentHashMap<>();
  47
  48     public static ConcurrentHashMap<String, String> alarmUniqueRequestID = new ConcurrentHashMap<>();
  49
  50     public void publishPolicyMsg(PolicyMsg policyMsg, String dmaapConfigKey) {
  51         try {
  52             Publisher publisher = new Publisher();
  53             publisher.setUrl(DcaeConfigurationsCache.getPubSecInfo(dmaapConfigKey).getDmaapInfo().getTopicUrl());
  54             publisher.publish(policyMsg);
  55             log.info("send policyMsg: " + JacksonUtil.beanToJson(policyMsg));
  56         } catch (CorrelationException e) {
  57             log.error("Failed to publish policyMsg to dmaap", e.getMessage());
  58         } catch (JsonProcessingException e) {
  59             log.info("Failed to convert policyMsg to json");
  60         } catch (NullPointerException e) {
  61             log.error("DMaaP configurations does not exist!");
  62         }
  63     }
  64
  65     public PolicyMsg getPolicyMsg(VesAlarm rootAlarm, VesAlarm childAlarm, String packgeName) {
  66         return Optional.ofNullable(getVmEntity(rootAlarm.getSourceId(), rootAlarm.getSourceName()))
  67                 .map(vmEntity -> getEnrichedPolicyMsg(vmEntity, rootAlarm, childAlarm, packgeName))
  68                 .orElse(getDefaultPolicyMsg(rootAlarm.getSourceName()));
  69     }
  70
  71     private String getVserverInstanceId(VnfEntity vnfEntity) {
  72         String vserverInstanceId = "";
  73         if (vnfEntity != null) {
  74             List<RelationshipData> relationshipDataList = vnfEntity.getRelationshipList()
  75                     .getRelationships().stream()
  76                     .filter(relationship -> relationship.getRelatedTo().equals("service-instance"))
  77                     .limit(1).findFirst().get().getRelationshipDataList();
  78
  79             vserverInstanceId = relationshipDataList.stream()
  80                     .filter(relationshipData -> relationshipData.getRelationshipKey()
  81                             .equals("service-instance.service-instance-id"))
  82                     .findFirst()
  83                     .map(relationshipData -> relationshipData.getRelationshipValue()).get();
  84         }
  85         return vserverInstanceId;
  86     }
  87
  88     private PolicyMsg getEnrichedPolicyMsg(VmEntity vmEntity, VesAlarm rootAlarm, VesAlarm childAlarm,
  89             String packageName) {
  90         PolicyMsg policyMsg = new PolicyMsg();
  91         if (rootAlarm.getAlarmIsCleared() == POLICY_MESSAGE_ABATED) {
  92             policyMsg.setClosedLoopEventStatus(EVENT_STATUS.ABATED);
  93         } else {
  94             policyMsg.setClosedLoopEventStatus(EVENT_STATUS.ONSET);
  95             enrichVnfInfo(childAlarm, policyMsg);
  96         }
  97         if (alarmUniqueRequestID.containsKey(rootAlarm.getSourceId())) {
  98             policyMsg.setRequestID(alarmUniqueRequestID.get(rootAlarm.getSourceId()));
  99         } else {
 100             String requestID = UUID.randomUUID().toString();
 101             policyMsg.setRequestID(requestID);
 102             alarmUniqueRequestID.put(rootAlarm.getSourceId(), requestID);
 103         }
 104         policyMsg.setClosedLoopControlName(loopControlNames.get(packageName));
 105         policyMsg.getAai().put("vserver.in-maint", String.valueOf(vmEntity.getInMaint()));
 106         policyMsg.getAai().put("vserver.is-closed-loop-disabled",
 107                 String.valueOf(vmEntity.getClosedLoopDisable()));
 108         policyMsg.getAai().put("vserver.prov-status", vmEntity.getProvStatus());
 109         policyMsg.getAai().put("vserver.resource-version", vmEntity.getResourceVersion());
 110         policyMsg.getAai().put("vserver.vserver-id", vmEntity.getVserverId());
 111         policyMsg.getAai().put("vserver.vserver-name", vmEntity.getVserverName());
 112         policyMsg.getAai().put("vserver.vserver-name2", vmEntity.getVserverName2());
 113         policyMsg.getAai().put("vserver.vserver-selflink", vmEntity.getVserverSelflink());
 114         return policyMsg;
 115     }
 116
 117     private PolicyMsg getDefaultPolicyMsg(String sourceName) {
 118         PolicyMsg policyMsg = new PolicyMsg();
 119         policyMsg.setTarget("vserver.vserver-name");
 120         policyMsg.setTargetType("VM");
 121         policyMsg.getAai().put("vserver.vserver-name", sourceName);
 122         return policyMsg;
 123     }
 124
 125     private void enrichVnfInfo(VesAlarm childAlarm, PolicyMsg policyMsg) {
 126         VnfEntity vnfEntity = getVnfEntity(childAlarm.getSourceId(), childAlarm.getSourceName());
 127         String vserverInstatnceId = getVserverInstanceId(vnfEntity);
 128         policyMsg.getAai().put("generic-vnf.vnf-id", childAlarm.getSourceId());
 129         policyMsg.getAai().put("generic-vnf.vnf-name", childAlarm.getSourceName());
 130         policyMsg.getAai().put("generic-vnf.service-instance-id", vserverInstatnceId);
 131     }
 132
 133     private VnfEntity getVnfEntity(String vnfId, String vnfName) {
 134         VnfEntity vnfEntity = null;
 135         try {
 136             vnfEntity = aaiQuery.getAaiVnfData(vnfId, vnfName);
 137         } catch (CorrelationException e) {
 138             log.error("Failed to get vnf data", e.getMessage());
 139         }
 140         return vnfEntity;
 141     }
 142
 143     private VmEntity getVmEntity(String sourceId, String sourceName) {
 144         VmEntity vmEntity = null;
 145         try {
 146             vmEntity = aaiQuery.getAaiVmData(sourceId, sourceName);
 147         } catch (CorrelationException e) {
 148             log.error("Failed to get vm data", e.getMessage());
 149         }
 150         return vmEntity;
 151     }
 152 }