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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 = instances.getJSONObject(i).getString("service-instance-name");
ret.put(name + ".input-parameters", "TBD");
sb.append(name).append(",");
}
ret.put("service-instance.service-instance-name", sb.substring(0, sb.length() -1).toString());
ret.put("vserver.vserver-name", "TBD");
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 - $start) < 60000)
then
if (isCorrelated($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
$a: VesAlarm(alarmIsCleared == 1, eventName.indexOf("Fault_Route_Status") != -1)
then
if (DmaapService.alarmUniqueRequestID.containsKey($a.getEventId())) {
DmaapService.alarmUniqueRequestID.remove($a.getEventId());
}
//TODO: send alarm clearing message to Policy - for now it's not needed.
//...
retract($a);
end
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