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Add async alarms to the Polatis SNMP driver

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Change-Id: Idbc411ae63f29f714da0511f62846e5fdd4d5f33
This commit is contained in:
Laszlo Papp 2018-06-15 13:09:20 +01:00 committed by Andrea Campanella
parent d9d4c291c5
commit 85f0ace42f
3 changed files with 98 additions and 1 deletions
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95
drivers/polatis/snmp/src/main/java/org/onosproject/drivers/polatis/snmp/PolatisAlarmConfig.java Normal file
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@ -0,0 +1,95 @@
/*
* Copyright 2018 Open Networking Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.drivers.polatis.snmp;
import org.onlab.packet.IpAddress;
import org.onosproject.incubator.net.faultmanagement.alarm.Alarm;
import org.onosproject.incubator.net.faultmanagement.alarm.AlarmId;
import org.onosproject.incubator.net.faultmanagement.alarm.DefaultAlarm;
import org.onosproject.incubator.net.faultmanagement.alarm.DeviceAlarmConfig;
import org.onosproject.net.DeviceId;
import org.onosproject.net.driver.AbstractHandlerBehaviour;
import org.snmp4j.CommandResponderEvent;
import org.snmp4j.PDU;
import org.snmp4j.smi.OID;
import org.slf4j.Logger;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import static org.onosproject.incubator.net.faultmanagement.alarm.Alarm.SeverityLevel;
import static org.slf4j.LoggerFactory.getLogger;
/**
* Polatis specific implementation to provide asynchronous alarms via SNMP.
*/
public class PolatisAlarmConfig extends AbstractHandlerBehaviour implements DeviceAlarmConfig {
private final Logger log = getLogger(getClass());
private DeviceId deviceId;
private static final OID SNMP_TRAP_OID = new OID(".1.3.6.1.6.3.1.1.4.1");
private static final OID OPM_ALARM_OID = new OID(".1.3.6.1.4.1.26592.2.3.3.0.3");
private static final OID ALARM_STATUS_OID = new OID(".1.3.6.1.4.1.26592.2.6.2.3.3");
private static final OID ALARM_ID_OID = new OID(".1.3.6.1.4.1.26592.2.6.2.3.2");
private static final OID ALARM_PORT_OID = new OID(".1.3.6.1.4.1.26592.2.3.3.1.1");
private static final OID ALARM_PORT_LABEL_OID = new OID(".1.3.6.1.4.1.26592.2.3.3.1.2");
private static final OID SYSUPTIME_OID = new OID(".1.3.6.1.2.1.1.3");
private static final String CLEARED = "cleared";
@Override
public boolean configureDevice(IpAddress address, int port, String protocol) {
// TODO: Implement me
return false;
}
@Override
public <T> Set<Alarm> translateAlarms(List<T> unparsedAlarms) {
deviceId = handler().data().deviceId();
Set<Alarm> alarms = new HashSet<>();
for (T alarm : unparsedAlarms) {
if (alarm instanceof CommandResponderEvent) {
CommandResponderEvent alarmEvent = (CommandResponderEvent) alarm;
PDU pdu = alarmEvent.getPDU();
if (pdu != null) {
String alarmType = pdu.getVariable(SNMP_TRAP_OID).toString();
if (alarmType.equals(OPM_ALARM_OID.toString())) {
String label = pdu.getVariable(ALARM_PORT_LABEL_OID).toString();
int port = pdu.getVariable(ALARM_PORT_OID).toInt();
String uniqueIdentifier = "LOS" + port;
String status = pdu.getVariable(ALARM_STATUS_OID).toString();
String alarmMessage = "Loss of Service alarm " + status + " for fibre " + port;
SeverityLevel alarmLevel = SeverityLevel.MAJOR;
long timeRaised = 0;
DefaultAlarm.Builder alarmBuilder = new DefaultAlarm.Builder(
AlarmId.alarmId(deviceId, uniqueIdentifier),
deviceId, alarmMessage, alarmLevel, timeRaised);
if (status.equals(CLEARED)) {
long now = System.currentTimeMillis();
alarmBuilder.clear().withTimeUpdated(now).withTimeCleared(now);
}
alarms.add(alarmBuilder.build());
}
}
}
}
return alarms;
}
}

2
drivers/polatis/snmp/src/main/resources/polatis-snmp-drivers.xml
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@ -25,6 +25,8 @@
impl="org.onosproject.drivers.polatis.snmp.PolatisFlowRuleProgrammable"/>
<behaviour api="org.onosproject.net.behaviour.PowerConfig"
impl="org.onosproject.drivers.polatis.snmp.PolatisPowerConfig"/>
<behaviour api="org.onosproject.incubator.net.faultmanagement.alarm.DeviceAlarmConfig"
impl="org.onosproject.drivers.polatis.snmp.PolatisAlarmConfig"/>
<property name="uiType">policon</property>
</driver>
</drivers>

2
incubator/api/src/main/java/org/onosproject/incubator/net/faultmanagement/alarm/AlarmService.java
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@ -33,7 +33,7 @@ public interface AlarmService extends ListenerService<AlarmEvent, AlarmListener>
* Update book-keeping (ie administrative) fields for the alarm matching the specified identifier.
*
* @param id alarm identifier
* @param clear ture if the alarm has to be cleared
* @param clear true if the alarm has to be cleared
* @param isAcknowledged new acknowledged state
* @param assignedUser new assigned user, null clear
* @return updated alarm (including any recent device-derived changes)