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In Phase 1, for the minimum, two of the above defined Route_Down_Alarm will be correlated within time window of 15 - 30, for instance, milliseconds.
Rule Creation
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{
"ruleName": "CCVPN",
"loopControlName": "ControlLoop-CCVPN-2179b738-fd36-4843-a71a-a8c24c70c55b",
"description": "This rule is designed for the correlation analysis for the CCVPN use case.",
"content": "package org.onap.holmes.droolsRule;\n\nimport org.onap.holmes.common.dmaap.DmaapService;\nimport org.onap.holmes.common.api.stat.VesAlarm;\nimport org.onap.holmes.common.aai.CorrelationUtil;\nimport org.onap.holmes.common.dmaap.entity.PolicyMsg;\nimport org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;\nimport org.onap.holmes.common.utils.DroolsLog;\n \n\nrule \"Relation_analysis_Rule\"\nsalience 200\nno-loop true\n when\n $root : VesAlarm(alarmIsCleared == 0,\n $sourceId: sourceId, sourceId != null && !sourceId.equals(\"\"),\n\t\t\t$sourceName: sourceName, sourceName != null && !sourceName.equals(\"\"),\n\t\t\t$startEpochMicrosec: startEpochMicrosec,\n specificProblem in (\"Fault_MultiCloud_VMFailure\"),\n $eventId: eventId)\n $child : VesAlarm( eventId != $eventId, parentId == null,\n CorrelationUtil.getInstance().isTopologicallyRelated(sourceId, $sourceId, $sourceName),\n specificProblem in (\"Slave MPU is offline\"),\n startEpochMicrosec < $startEpochMicrosec + 60000 && startEpochMicrosec > $startEpochMicrosec - 60000 )\n then\n\t\t$child.setParentId($root.getEventId());\n\t\tupdate($child);\n\t\t\nend\n\nrule \"root_has_child_handle_Rule\"\nsalience 150\nno-loop true\n\twhen\n\t\t$root : VesAlarm(alarmIsCleared == 0, rootFlag == 0, $eventId: eventId)\n\t\t$child : VesAlarm(eventId != $eventId, parentId == $eventId)\n\tthen\n\t\tDmaapService dmaapService = ServiceLocatorHolder.getLocator().getService(DmaapService.class);\n\t\tPolicyMsg policyMsg = dmaapService.getPolicyMsg($root, $child, \"org.onap.holmes.droolsRule\");\n dmaapService.publishPolicyMsg(policyMsg, \"unauthenticated.DCAE_CL_OUTPUT\");\n\t\t$root.setRootFlag(1);\n\t\tupdate($root);\nend\n\nrule \"root_no_child_handle_Rule\"\nsalience 100\nno-loop true\n when\n $root : VesAlarm(alarmIsCleared == 0, rootFlag == 0,\n sourceId != null && !sourceId.equals(\"\"),\n\t\t\tsourceName != null && !sourceName.equals(\"\"),\n specificProblem in (\"Fault_MultiCloud_VMFailure\"))\n then\n\t\tDmaapService dmaapService = ServiceLocatorHolder.getLocator().getService(DmaapService.class);\n\t\tPolicyMsg policyMsg = dmaapService.getPolicyMsg($root, null, \"org.onap.holmes.droolsRule\");\n dmaapService.publishPolicyMsg(policyMsg, \"unauthenticated.DCAE_CL_OUTPUT\");\n\t\t$root.setRootFlag(1);\n\t\tupdate($root);\nend\n\nrule \"root_cleared_handle_Rule\"\nsalience 100\nno-loop true\n when\n $root : VesAlarm(alarmIsCleared == 1, rootFlag == 1)\n then\n\t\tDmaapService dmaapService = ServiceLocatorHolder.getLocator().getService(DmaapService.class);\n\t\tPolicyMsg policyMsg = dmaapService.getPolicyMsg($root, null, \"org.onap.holmes.droolsRule\");\n dmaapService.publishPolicyMsg(policyMsg, \"unauthenticated.DCAE_CL_OUTPUT\");\n\t\tretract($root);\nend\n\nrule \"child_handle_Rule\"\nsalience 100\nno-loop true\n when\n $child : VesAlarm(alarmIsCleared == 1, rootFlag == 0)\n then\n\t\tretract($child);\nend",
"enabled": 1
} |
Rule Execution
After the correlation is done successfully, there should be a corresponding control loop event defined in the following section published on the unauthenticated.DCAE_CL_OUTPUT topic of DMaaP.
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