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package org.onap.holmes.ccvpn;

dialect "java"

import org.onap.holmes.common.api.stat.VesAlarm;
import org.onap.holmes.common.api.stat.AlarmAdditionalField;
import org.onap.holmes.common.aai.AaiQuery4Ccvpn;
import org.onap.holmes.common.exception.CorrelationException;
import org.onap.holmes.common.dmaap.entity.PolicyMsg;
import org.onap.holmes.common.dmaap.DmaapService;
import org.onap.holmes.common.utils.DroolsLog;
import org.onap.holmes.common.dropwizard.ioc.utils.ServiceLocatorHolder;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

import java.util.List;
import java.util.Map;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.UUID;

function String getAdditionalField(VesAlarm a, String field) {
	List<AlarmAdditionalField> fields = a.getAlarmAdditionalInformation();
	for (AlarmAdditionalField f : fields) {
		if (f.getName().equals(field)) {
			return f.getValue();
		}
	}
	return null;
}

function String getLogicLink(VesAlarm alarm) {
	AaiQuery4Ccvpn aai = AaiQuery4Ccvpn.newInstance();
	return aai.getLogicLink(
		getAdditionalField(alarm, "networkId"),
		getAdditionalField(alarm, "node"),
		getAdditionalField(alarm, "tp-id"),
		getAdditionalField(alarm, "oper-status")
	);
}

function boolean isCorrelated(VesAlarm a, VesAlarm b) {
	String logicLinkA = getLogicLink(a);
	if (logicLinkA == null)	{
		return false;
	}

	String logicLinkB = getLogicLink(b);
	if (logicLinkB == null) {
		return false;
	}

	return logicLinkA.equals(logicLinkB);
}

function void updateAaiStatus(String networkId, String pnfName, String ifName,
		String linkName, String status) {
	AaiQuery4Ccvpn aai = AaiQuery4Ccvpn.newInstance();
	Map<String, Object> body = new HashMap<String, Object>(){
		{
			put("operational-status", status);
		}
	};
	aai.updateLogicLinkStatus(linkName, body);
	aai.updateTerminalPointStatus(networkId, pnfName, ifName, body);
}

function Map<String, Object> getAdditionalResourceInfo(String networkId, String pnfName, String ifName, String status) {
	AaiQuery4Ccvpn aai = AaiQuery4Ccvpn.newInstance();
	JSONArray instances = aai.getServiceInstances(networkId, pnfName, ifName, status);

	Map<String, Object> ret = new HashMap<String, Object>();

	StringBuilder sb = new StringBuilder();
	for(int i = 0; i < instances.size(); ++i) {
		JSONObject o = instances.getJSONObject(i);
		String name = o.getString("service-instance-name");
		ret.put(name + ".input-parameters", o.getString("input-parameters"));
		sb.append(name).append(",");
	}
	ret.put("service-instance.service-instance-name", sb.substring(0, sb.length() -1).toString());
	ret.put("vserver.vserver-name", "TBD");
	ret.put("globalSubscriberId", instances.getJSONObject(0).getString("globalSubscriberId"));
	ret.put("serviceType", instances.getJSONObject(0).getString("serviceType"));

	return ret;
}

function PolicyMsg createPolicyMsg(VesAlarm alarm) {
	PolicyMsg m = new PolicyMsg();
	m.setPolicyVersion("1.0.0.5");
	m.setPolicyName("CCVPN");
	m.setPolicyScope("service=SOTNService,type=SampleType,closedLoopControlName=CL-CCVPN-d925ed73-8231-4d02-9545-db4e101f88f8");
	m.setClosedLoopControlName(DmaapService.loopControlNames.get("org.onap.holmes.ccvpn"));
	m.setRequestID(UUID.randomUUID().toString());
	m.setClosedLoopAlarmStart(alarm.getStartEpochMicrosec());
	m.setClosedLoopAlarmEnd(alarm.getLastEpochMicrosec());
	m.setTarget("vserver.vserver-name");
	m.setAai(getAdditionalResourceInfo(
		getAdditionalField(alarm, "networkId"),
		getAdditionalField(alarm, "node"),
		getAdditionalField(alarm, "tp-id"),
		getAdditionalField(alarm, "oper-status")
	));

	DmaapService.alarmUniqueRequestID.put(alarm.getEventId(), m.getRequestID());

	return m;
}

rule "Update AAI Information"
	no-loop true
	salience 300
	when
		$a: VesAlarm(eventName.indexOf("Fault_Route_Status") != -1)
	then
		updateAaiStatus (
			getAdditionalField($a, "networkId"),
			getAdditionalField($a, "node"),
			getAdditionalField($a, "tp-id"),
			getLogicLink($a),
			getAdditionalField($a, "oper-status")
		);
end

rule "Set Up Correlation"
	no-loop true
	salience 200
	when
		$a: VesAlarm($id: eventId, 
						$start: startEpochMicrosec, 
						eventName.indexOf("Fault_Route_Status") != -1)
		$b: VesAlarm(eventId != $id, 
						eventName.indexOf("Fault_Route_Status") != -1, 
						Math.abs(startEpochMicrosec - $start) < 60000)
	then
		if ("down".equalsIgnoreCase(getAdditionalField($a, "oper-status")) 
				&& "down".equalsIgnoreCase(getAdditionalField($b, "oper-status"))) {
		    if (isCorrelated($a, $b)){
		    	// If any of the alarms have been marked as root, a policy message has ever been created and sent. Do NOT send it again.
		    	if ($a.getRootFlag() != 1 && $b.getRootFlag() != 1) {
			    	PolicyMsg msg = createPolicyMsg($a);
			        DmaapService dmaapService = ServiceLocatorHolder.getLocator().getService(DmaapService.class);
			        dmaapService.publishPolicyMsg(msg, "unauthenticated.DCAE_CL_OUTPUT");
		    	}
		        $a.setRootFlag(1);
		        $b.setRootFlag(1);
		        update($a);
		        update($b);
		    }
	    }
end

rule "Clear Alarms"
	no-loop true
	salience 100
	when
		$a: VesAlarm(eventName.indexOf("Fault_Route_Status") != -1)
	then
		if ("up".equalsIgnoreCase(getAdditionalField($a, "oper-status"))) {
			if (DmaapService.alarmUniqueRequestID.containsKey($a.getEventId())) {
				DmaapService.alarmUniqueRequestID.remove($a.getEventId());
			}
	
			//TODO: send alarm clearing message to Policy - for now it's not needed.
	        //...
	
			retract($a);
		}
end

controlLoop:
  version: 2.0.0
  controlLoopName: ControlLoop-CCVPN-2179b738-fd36-4843-a71a-a8c24c70c55b
  trigger_policy: unique-policy-id-16-receateE2EService
  timeout: 3600
  abatement: false
  
policies:
  - id: unique-policy-id-16-recreateE2EService
    name: Recreate E2E Service
    description:
    actor: SO
    recipe: Recreate_E2E_Service
    target:
      type: VM
    retry: 3
    timeout: 1200
    success: final_success
    failure: final_failure
    failure_timeout: final_failure_timeout
    failure_retries: final_failure_retries
    failure_exception: final_failure_exception
    failure_guard: final_failure_guard

  

{
    "closedLoopEventClient": "DCAE.HolmesInstance",
    "policyVersion": "1.0.0.5",
    "policyName": "CCVPN",
    "policyScope": "service=SOTNService,type=SampleType,closedLoopControlName=CL-CCVPN-d925ed73-8231-4d02-9545-db4e101f88f8",
    "target_type": "VM",
    "AAI": {
        "vserver.vserver-name" : "TBD",
		"globalSubscriberId" : "e151059a-d924-4629-845f-264db19e50b4",
		"serviceType" : "SOTN",
        "service-instance.service-instance-id" : "service-instance-id-example-1,service-instance-id-example-2,service-instance-id-example-3",
        "service-instance.service-instance-name" : "service-instance-example-1,service-instance-example-2,service-instance-example-3",
		"service-instance-example-1.input-parameters" : "...",
		"service-instance-example-2.input-parameters" : "...",
		"service-instance-example-3.input-parameters" : "..."
    },
    "closedLoopAlarmStart": 1484677482204798,
    "closedLoopEventStatus": "ONSET",
    "closedLoopControlName": "ControlLoop-CCVPN-2179b738-fd36-4843-a71a-a8c24c70c55b",
    "version": "1.0.2",
    "target": "vserver.vserver-name",
    "requestID": "97964e10-686e-4790-8c45-bdfa61df770f",
    "from": "DCAE"
}

URL: https://<AAI host>:<AAI port>/aai/v14/network/network-resources/network-resource/{networkId}/pnfs/pnf/{pnfName}/p-interfaces/p-interface/{ifName}
Method: PATCH
Request Body:
{
    "operational-status": "some status"
}

URL: https://<AAI host>:<AAI port>/aai/v14/network/logical-links/logical-link/{linkName}
Method: PATCH
Request Body:
{
    "operational-status": "some status"
}

URL:
https://<AAI host>:<AAI port>/aai/v14/network/network-resources/network-resource/{networkId}/pnfs/pnf/{pnfName}/p-interfaces?interface-name={ifName}&operational-status={status}
Method: GET
Request Body:
{
}

Response Body:
{
    "results": [
      {
        "p-interface": {
          "interface-name": "{ifName}",
          "network-ref": "some ref",
          "transparent": "some value",
          "operational-status ": "{status}",
          "speed-value": "some speed",
          "relationship-list": {
              "relationship" : [
                  {
                      "related-to": "vpn-binding",
                      "related-link": "url of vpn-binding",
                      "relationship-data": [
                         "relationship-key": "vpn-binding.vpn-id",
                         "relationship-value": "some id"
                      ]
                  }
              ]
          }
        }
      }
    ]
}

URL: https://<AAI host>:<AAI port>/aai/v14/network/vpn-bindings?vpn-id={vpnId}
Method: GET
Request Body:
{
}

Response Body:
{
    "results": [
      {
        "vpn-binding": {
          "vpn-id": "{vpnId}",
          "vpn-name": "some name",
          "access-provider-id": "provider id",
          "access-client-id": "client id",
          "access-topology-id": "topology id",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"
}

URL: https://<AAI host>:<AAI port>/aai/v14/network/pnfs/pnf/{pnfName}/p-interfaces?interface-name={ifName}&operational-status={status}
Method: GET
Resquest Body:
{
}


Response Body:
{  "relationship" : [
             	"results" : [ 		{      ]
  "p-interface" : {              "interface-name":{ifName}",
                },
 			 "network-ref": "some ref",               {
  "transparent": "some blue",              "operationalservice-instance-statusid":"{status} "some id 3",
                  "speedservice-instance-valuename" : "some name speed3",
               "relationship-list":   "environment-context": "some context 3",
                  "relationshipworkload-context": :"some [workload 3",
                  "relationship-list": {
                      "related-torelationship" : "logic-link",[
                      "related-link" :'url of logical-link",]
                     }
   "relationship-data":[             }
             "relationship-key" : "logical-link.link.name", ]
               },
          "relationship-valuelist";: "some{
name"              "relationship" : [
      ]          ]
          }
        }
     ] }
    ]
}


For each
}item in results: -   ]
}