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package org.onap.holmes.droolsRule;
 
 
import org.onap.holmes.common.dmaap.DmaapService;
import org.onap.holmes.common.api.stat.VesAlarm;
import org.onap.holmes.common.aai.CorrelationUtil;
import org.onap.holmes.common.dmaap.entity.PolicyMsg;
import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;
import org.onap.holmes.common.utils.DroolsLog;
 
 
rule "Relation_analysis_Rule"
salience 200
no-loop true
    when
        $root : VesAlarm(alarmIsCleared == 0,
            $sourceId: sourceId, sourceId != null && !sourceId.equals(""),
            $sourceName: sourceName, sourceName != null && !sourceName.equals(""),
            $startEpochMicrosec: startEpochMicrosec,
            specificProblem in ("Fault_SOTN_Service_Failure"),
            $eventId: eventId)
        $child : VesAlarm( eventId != $eventId, parentId == null,
            specificProblem in ("Fault_SOTN_Service_Failure"),
            startEpochMicrosec < $startEpochMicrosec + 60000 && startEpochMicrosec > $startEpochMicrosec - 60000 )
    then
        $child.setParentId($root.getEventId());
        update($child);
end
 
 
rule "root_has_child_handle_Rule"
salience 150
no-loop true
    when
        $root : VesAlarm(alarmIsCleared == 0, rootFlag == 0, $eventId: eventId)
        $child : VesAlarm(eventId != $eventId, parentId == $eventId)
    then
        DmaapService dmaapService = ServiceLocatorHolder.getLocator().getService(DmaapService.class);
        PolicyMsg policyMsg = dmaapService.getPolicyMsg($root, $child, "org.onap.holmes.droolsRule");
        dmaapService.publishPolicyMsg(policyMsg, "unauthenticated.DCAE_CL_OUTPUT");
        $root.setRootFlag(1);
        update($root);
end
 
 
rule "root_no_child_handle_Rule"
salience 100
no-loop true
    when
        $root : VesAlarm(alarmIsCleared == 0, rootFlag == 0,
            sourceId != null && !sourceId.equals(""),
            sourceName != null && !sourceName.equals(""),
            specificProblem in ("Fault_SOTN_Service_Failure"))
    then
        DmaapService dmaapService = ServiceLocatorHolder.getLocator().getService(DmaapService.class);
        PolicyMsg policyMsg = dmaapService.getPolicyMsg($root, null, "org.onap.holmes.droolsRule");
        dmaapService.publishPolicyMsg(policyMsg, "unauthenticated.DCAE_CL_OUTPUT");
        $root.setRootFlag(1);
        update($root);
nend
 
 
rule "root_cleared_handle_Rule"
salience 100
no-loop true
    when
        $root : VesAlarm(alarmIsCleared == 1, rootFlag == 1)
    then
        DmaapService dmaapService = ServiceLocatorHolder.getLocator().getService(DmaapService.class);
        PolicyMsg policyMsg = dmaapService.getPolicyMsg($root, null, "org.onap.holmes.droolsRule");
        dmaapService.publishPolicyMsg(policyMsg, "unauthenticated.DCAE_CL_OUTPUT");
        retract($root);
end
 
 
rule "child_handle_Rule"
salience 100
no-loop true
    when
        $child : VesAlarm(alarmIsCleared == 1, rootFlag == 0)
    then
        retract($child);
nimport com.alibaba.fastjson.JSONArray;\nimport com.alibaba.fastjson.JSONObject;\n\nimport java.util.List;\nimport java.util.Map;\nimport java.util.ArrayList;\nimport java.util.HashMap;\nimport java.util.UUID;\n\nfunction String getAdditionalField(VesAlarm a, String field) {\n	List<AlarmAdditionalField> fields = a.getAlarmAdditionalInformation();\n	for (AlarmAdditionalField f : fields) {\n		if (f.getName().equals(field)) {\n			return f.getValue();\n		}\n	}\n	return null;\n}\n\nfunction String getLogicLink(VesAlarm alarm) {\n	AaiQuery4Ccvpn aai = AaiQuery4Ccvpn.newInstance();\n	return aai.getLogicLink(\n		getAdditionalField(alarm, \"networkId\"),\n		getAdditionalField(alarm, \"node\"),\n		getAdditionalField(alarm, \"tp-id\"),\n		null\n	);\n}\n\nfunction boolean isCorrelated(VesAlarm a, VesAlarm b) {\n	String logicLinkA = getLogicLink(a);\n	if (logicLinkA == null)	{\n		return false;\n	}\n\n	String logicLinkB = getLogicLink(b);\n	if (logicLinkB == null) {\n		return false;\n	}\n\n	return logicLinkA.equals(logicLinkB);\n}\n\nfunction void updateAaiLinkStatus(String linkName, String status) {\n	AaiQuery4Ccvpn aai = AaiQuery4Ccvpn.newInstance();\n	Map<String, Object> body = new HashMap<String, Object>(){\n		{\n			put(\"operational-status\", status);\n		}\n	};\n	aai.updateLogicLinkStatus(linkName, body);\n}\n\nfunction void updateAaiTpStatus(String networkId, String pnfName, String ifName, String status) {\n	AaiQuery4Ccvpn aai = AaiQuery4Ccvpn.newInstance();\n	Map<String, Object> body = new HashMap<String, Object>(){\n		{\n			put(\"operational-status\", status);\n		}\n	};\n	aai.updateTerminalPointStatus(networkId, pnfName, ifName, body);\n}\n\nfunction Map<String, Object> getAdditionalResourceInfo(String networkId, String pnfName, String ifName, String status) {\n	AaiQuery4Ccvpn aai = AaiQuery4Ccvpn.newInstance();\n	JSONArray instances = aai.getServiceInstances(networkId, pnfName, ifName, status);\n\n	Map<String, Object> ret = new HashMap<String, Object>();\n\n	StringBuilder sbn = new StringBuilder();\n	StringBuilder sbi = new StringBuilder();\n	for(int i = 0; i < instances.size(); ++i) {\n		JSONObject o = instances.getJSONObject(i);\n		String name = o.getString(\"service-instance-name\");\n		String id = o.getString(\"service-instance-id\");\n		ret.put(id + \".input-parameters\", o.getString(\"input-parameters\"));\n		sbn.append(name).append(\",\");\n		sbi.append(id).append(\",\");\n	}\n	ret.put(\"service-instance.service-instance-name\", sbn.substring(0, sbn.length() -1).toString());\n	ret.put(\"service-instance.service-instance-id\", sbi.substring(0, sbi.length() -1).toString());\n	ret.put(\"vserver.vserver-name\", \"TBD\");\n	ret.put(\"globalSubscriberId\", instances.getJSONObject(0).getString(\"globalSubscriberId\"));\n	ret.put(\"serviceType\", instances.getJSONObject(0).getString(\"serviceType\"));\n\n	return ret;\n}\n\nfunction PolicyMsg createPolicyMsg(VesAlarm alarm) {\n	PolicyMsg m = new PolicyMsg();\n	m.setPolicyVersion(\"1.0.0.5\");\n	m.setPolicyName(\"CCVPN\");\n	m.setPolicyScope(\"service=SOTNService,type=SampleType,closedLoopControlName=CL-CCVPN-d925ed73-8231-4d02-9545-db4e101f88f8\");\n	m.setClosedLoopControlName(DmaapService.loopControlNames.get(\"org.onap.holmes.ccvpn\"));\n	m.setRequestID(UUID.randomUUID().toString());\n	m.setClosedLoopAlarmStart(alarm.getStartEpochMicrosec());\n	m.setClosedLoopAlarmEnd(alarm.getLastEpochMicrosec());\n	m.setTarget(\"vserver.vserver-name\");\n	m.setAai(getAdditionalResourceInfo(\n		getAdditionalField(alarm, \"networkId\"),\n		getAdditionalField(alarm, \"node\"),\n		getAdditionalField(alarm, \"tp-id\"),\n		getAdditionalField(alarm, \"oper-status\")\n	));\n\n	DmaapService.alarmUniqueRequestID.put(alarm.getEventId(), m.getRequestID());\n\n	return m;\n}\n\nrule \"Update AAI Information\"\n	no-loop true\n	salience 300\n	when\n		$a: VesAlarm(eventName.indexOf(\"Fault_Route_Status\") != -1)\n	then\n		updateAaiTpStatus (\n			getAdditionalField($a, \"networkId\"),\n			getAdditionalField($a, \"node\"),\n			getAdditionalField($a, \"tp-id\"),\n			getAdditionalField($a, \"oper-status\")\n		);\nend\n\nrule \"Set Up Correlation\"\n	no-loop true\n	salience 200\n	when\n		$a: VesAlarm($id: eventId, \n						$start: startEpochMicrosec, \n						eventName.indexOf(\"Fault_Route_Status\") != -1)\n		$b: VesAlarm(eventId != $id, \n						eventName.indexOf(\"Fault_Route_Status\") != -1, \n						Math.abs(startEpochMicrosec - $start) < 60000)\n	then\n		String status = \"down\";\n		if (status.equalsIgnoreCase(getAdditionalField($a, \"oper-status\")) \n				&& status.equalsIgnoreCase(getAdditionalField($b, \"oper-status\"))) {\n		    if (isCorrelated($a, $b)){\n		    	// If any of the alarms have been marked as root, a policy message has ever been created and sent. Do NOT send it again.\n		    	if ($a.getRootFlag() != 1 && $b.getRootFlag() != 1) {\n			    	PolicyMsg msg = createPolicyMsg($a);\n			        DmaapService dmaapService = ServiceLocatorHolder.getLocator().getService(DmaapService.class);\n			        dmaapService.publishPolicyMsg(msg, \"unauthenticated.DCAE_CL_OUTPUT\");\n			        updateAaiLinkStatus(getLogicLink($a), status);\n		    	}\n		        $a.setRootFlag(1);\n		        $b.setRootFlag(1);\n		        update($a);\n		        update($b);\n		    }\n	    }\nend\n\nrule \"Clear Alarms\"\n	no-loop true\n	salience 100\n	when\n		$a: VesAlarm(eventName.indexOf(\"Fault_Route_Status\") != -1)\n	then\n		if (\"up\".equalsIgnoreCase(getAdditionalField($a, \"oper-status\"))) {\n			if (DmaapService.alarmUniqueRequestID.containsKey($a.getEventId())) {\n				DmaapService.alarmUniqueRequestID.remove($a.getEventId());\n			}\n	\n			//TODO: send alarm clearing message to Policy - for now it's not needed.\n	        //...\n	\n			retract($a);\n		}\nend\n",
    "description":"This rule is designed for the correlation analysis for the CCVPN use case.",
    "enabled":1,
    "loopControlName":"ControlLoop-CCVPN-2179b738-fd36-4843-a71a-a8c24c70c55b",
    "ruleName":"CCVPN"
}