private boolean isRuleMatchingFilter(final Notification notif, final String rule) {
try {
return FilterDaoFactory.getInstance().isRuleMatching(rule);
} catch (FilterParseException e) {
LOG.error("Invalid filter rule for notification {}: {}", notif.getName(), notif.getRule(), e);
throw e;
}
}
/**
* Sets the status on an individual notification configuration and saves to xml.
*
* @param name The name of the notification.
* @param status The status (either "on" or "off").
* @throws org.exolab.castor.xml.MarshalException if any.
* @throws org.exolab.castor.xml.ValidationException if any.
* @throws java.io.IOException if any.
* @throws java.lang.ClassNotFoundException if any.
*/
public synchronized void updateStatus(final String name, final String status)
throws MarshalException, ValidationException, IOException, ClassNotFoundException {
if ("on".equals(status) || "off".equals(status)) {
Notification notice = getNotification(name);
notice.setStatus(status);
saveCurrent();
} else throw new IllegalArgumentException("Status must be on|off, not " + status);
}
/**
* getNotificationNames
*
* @return a {@link java.util.List} object.
* @throws java.io.IOException if any.
* @throws org.exolab.castor.xml.MarshalException if any.
* @throws org.exolab.castor.xml.ValidationException if any.
*/
public List<String> getNotificationNames()
throws IOException, MarshalException, ValidationException {
update();
List<String> notificationNames = new ArrayList<String>();
for (Notification curNotif : m_notifications.getNotificationCollection()) {
notificationNames.add(curNotif.getName());
}
return notificationNames;
}
/**
* hasUei
*
* @param uei a {@link java.lang.String} object.
* @return a boolean.
* @throws java.io.IOException if any.
* @throws org.exolab.castor.xml.MarshalException if any.
* @throws org.exolab.castor.xml.ValidationException if any.
*/
public boolean hasUei(final String uei)
throws IOException, MarshalException, ValidationException {
update();
for (Notification notif : m_notifications.getNotificationCollection()) {
if (uei.equals(notif.getUei()) || "MATCH-ANY-UEI".equals(notif.getUei())) {
return true;
} else if (notif.getUei().charAt(0) == '~') {
if (uei.matches(notif.getUei().substring(1))) {
return true;
}
}
}
return false;
}
/**
* Adds additional parameters defined by the user in the notificaiton configuration XML.
*
* @param paramMap a {@link java.util.Map} object.
* @param notification a {@link org.opennms.netmgt.config.notifications.Notification} object.
*/
public static void addNotificationParams(
final Map<String, String> paramMap, final Notification notification) {
Collection<Parameter> parameters = notification.getParameterCollection();
for (Parameter parameter : parameters) {
paramMap.put(parameter.getName(), parameter.getValue());
}
}
/**
* Handles adding a new Notification.
*
* @param notice The Notification to add.
* @throws org.exolab.castor.xml.MarshalException if any.
* @throws org.exolab.castor.xml.ValidationException if any.
* @throws java.io.IOException if any.
* @throws java.lang.ClassNotFoundException if any.
*/
public synchronized void addNotification(final Notification notice)
throws MarshalException, ValidationException, IOException, ClassNotFoundException {
// remove any existing notice with the same name
m_notifications.removeNotification(getNotification(notice.getName()));
m_notifications.addNotification(notice);
saveCurrent();
}
/**
* nodeInterfaceServiceValid
*
* @param notif a {@link org.opennms.netmgt.config.notifications.Notification} object.
* @param event a {@link org.opennms.netmgt.xml.event.Event} object.
* @return a boolean.
*/
protected boolean nodeInterfaceServiceValid(final Notification notif, final Event event) {
Assert.notNull(notif, "notif argument must not be null");
Assert.notNull(event, "event argument must not be null");
Assert.notNull(notif.getRule(), "getRule() on notif argument must not return null");
/*
* If the event doesn't have a nodeId, interface, or service,
* return true since there is nothing on which to filter.
*/
if (event.getNodeid() == 0 && event.getInterface() == null && event.getService() == null) {
if ("MATCH-ANY-UEI".equals(notif.getUei())) {
// TODO: Trim parentheses from the filter and trim whitespace from inside the
// filter statement. This comparison is very brittle as it is.
if ("ipaddr != '0.0.0.0'".equals(notif.getRule().toLowerCase())
|| "ipaddr iplike *.*.*.*".equals(notif.getRule().toLowerCase())) {
return true;
} else {
return false;
}
}
return true;
}
StringBuffer constraints = new StringBuffer();
if (event.getNodeid() != 0) {
constraints.append(" & (nodeId == " + event.getNodeid() + ")");
}
if (event.getInterface() != null && !"0.0.0.0".equals(event.getInterface())) {
constraints.append(" & (ipAddr == '" + event.getInterface() + "')");
if (event.getService() != null) {
constraints.append(" & (serviceName == '" + event.getService() + "')");
}
}
String rule = "((" + notif.getRule() + ")" + constraints + ")";
return isRuleMatchingFilter(notif, rule);
}
/**
* Build a commonly used event list where each event's uei is separated by a </br> tag.
*
* @param notice the notification that contains the ueis
* @return a String representation for the UI
*/
public String buildEventList(Notification notice) {
if (notice == null) {
return "";
}
StringBuffer buffer = new StringBuffer();
for (Iterator iter = notice.getEventInfoCollection().iterator(); iter.hasNext(); ) {
// create temp event object and use get()
// NOTE: cannot do this until we also fill in the snmp data
/*org.opennms.netmgt.xml.event.Event e = EventConfigurationManager.makeEvent(
(org.opennms.netmgt.config.notifications.EventInfo)iter.next());
List events = EventConfigurationManager.get(e);
*/
List events =
EventConfigurationManager.getByEventInfo(
(org.opennms.netmgt.config.notifications.EventInfo) iter.next());
for (Iterator iter2 = events.iterator(); iter2.hasNext(); ) {
buffer.append(((Event) iter2.next()).getEventLabel()).append("</br>");
}
}
return buffer.toString();
}
/**
* matchNotificationParameters
*
* @param event a {@link org.opennms.netmgt.xml.event.Event} object.
* @param notification a {@link org.opennms.netmgt.config.notifications.Notification} object.
* @return a boolean.
*/
public boolean matchNotificationParameters(Event event, Notification notification) {
ThreadCategory log = ThreadCategory.getInstance(getClass());
boolean parmmatch = false;
if (notification.getVarbind() != null && notification.getVarbind().getVbname() != null) {
String notfValue = null;
String notfName = notification.getVarbind().getVbname();
if (notification.getVarbind().getVbvalue() != null) {
notfValue = notification.getVarbind().getVbvalue();
} else {
if (log.isDebugEnabled()) {
log.debug(
"BroadcastEventProcessor:matchNotificationParameters: Null value for varbind, assuming true.");
}
parmmatch = true;
}
for (final Parm parm : event.getParmCollection()) {
final String parmName = parm.getParmName();
final Value parmValue = parm.getValue();
final String parmContent;
if (parmValue == null) {
continue;
} else {
parmContent = parmValue.getContent();
}
if (parmName.equals(notfName) && parmContent.startsWith(notfValue)) {
parmmatch = true;
}
}
} else if (notification.getVarbind() == null || notification.getVarbind().getVbname() == null) {
parmmatch = true;
}
return parmmatch;
}
/**
* This method inserts a row into the notifications table in the database. This row indicates that
* the page has been sent out.
*
* @param queueID a {@link java.lang.String} object.
* @param notification TODO
* @param notifyId a int.
* @param params a {@link java.util.Map} object.
* @throws java.sql.SQLException if any.
*/
public void insertNotice(
final int notifyId,
final Map<String, String> params,
final String queueID,
final Notification notification)
throws SQLException {
Connection connection = null;
final DBUtils d = new DBUtils(getClass());
try {
connection = getConnection();
d.watch(connection);
final PreparedStatement statement =
connection.prepareStatement(
"INSERT INTO notifications ("
+ "textmsg, numericmsg, notifyid, pagetime, nodeid, interfaceid, serviceid, eventid, "
+ "eventuei, subject, queueID, notifConfigName) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)");
d.watch(statement);
// notifications textMsg field
statement.setString(1, params.get(NotificationManager.PARAM_TEXT_MSG));
// notifications numericMsg field
String numMsg = params.get(NotificationManager.PARAM_NUM_MSG);
if (numMsg != null && numMsg.length() > 256) {
log().warn("numericmsg too long, it will be truncated");
numMsg = numMsg.substring(0, 256);
}
statement.setString(2, numMsg);
// notifications notifyID field
statement.setInt(3, notifyId);
// notifications pageTime field
statement.setTimestamp(4, new Timestamp((new Date()).getTime()));
// notifications nodeID field
String node = params.get(NotificationManager.PARAM_NODE);
if (node != null
&& !node.trim().equals("")
&& !node.equalsIgnoreCase("null")
&& !node.equalsIgnoreCase("%nodeid%")) {
statement.setInt(5, Integer.parseInt(node));
} else {
statement.setNull(5, Types.INTEGER);
}
// notifications interfaceID field
String ipaddr = params.get(NotificationManager.PARAM_INTERFACE);
if (ipaddr != null
&& !ipaddr.trim().equals("")
&& !ipaddr.equalsIgnoreCase("null")
&& !ipaddr.equalsIgnoreCase("%interface%")) {
statement.setString(6, ipaddr);
} else {
statement.setString(6, null);
}
// notifications serviceID field
String service = params.get(NotificationManager.PARAM_SERVICE);
if (service != null
&& !service.trim().equals("")
&& !service.equalsIgnoreCase("null")
&& !service.equalsIgnoreCase("%service%")) {
statement.setInt(7, getServiceId(service));
} else {
statement.setNull(7, Types.INTEGER);
}
// eventID field
final String eventID = params.get("eventID");
if (eventID != null
&& !eventID.trim().equals("")
&& !eventID.trim().equals("0")
&& !eventID.equalsIgnoreCase("null")
&& !eventID.equalsIgnoreCase("%eventid%")) {
statement.setInt(8, Integer.parseInt(eventID));
} else {
statement.setNull(8, Types.INTEGER);
}
statement.setString(9, params.get("eventUEI"));
// notifications subject field
statement.setString(10, params.get(NotificationManager.PARAM_SUBJECT));
// the queue this will be sent on
statement.setString(11, queueID);
statement.setString(12, notification.getName());
statement.executeUpdate();
} finally {
d.cleanUp();
}
}
/**
* getNotifForEvent
*
* @param event a {@link org.opennms.netmgt.xml.event.Event} object.
* @return an array of {@link org.opennms.netmgt.config.notifications.Notification} objects.
* @throws java.io.IOException if any.
* @throws org.exolab.castor.xml.MarshalException if any.
* @throws org.exolab.castor.xml.ValidationException if any.
*/
public Notification[] getNotifForEvent(final Event event)
throws IOException, MarshalException, ValidationException {
update();
List<Notification> notifList = new ArrayList<Notification>();
boolean matchAll = getConfigManager().getNotificationMatch();
ThreadCategory log = this.log();
// This if statement will check to see if notification should be suppressed for this event.
if (event == null) {
log.warn("unable to get notification for null event!");
return null;
} else if (event.getLogmsg() != null && !(event.getLogmsg().getNotify())) {
if (log.isDebugEnabled())
log.debug("Event " + event.getUei() + " is configured to suppress notifications.");
return null;
}
for (Notification curNotif : m_notifications.getNotificationCollection()) {
if (log.isDebugEnabled())
log.debug("Checking " + event.getUei() + " against " + curNotif.getUei());
if (event.getUei().equals(curNotif.getUei()) || "MATCH-ANY-UEI".equals(curNotif.getUei())) {
// Match!
} else if (curNotif.getUei().charAt(0) == '~') {
if (event.getUei().matches(curNotif.getUei().substring(1))) {
// Match!
} else {
if (log.isDebugEnabled())
log.debug(
"Notification regex "
+ curNotif.getUei()
+ " failed to match event UEI: "
+ event.getUei());
continue;
}
} else {
if (log.isDebugEnabled())
log.debug("Event UEI " + event.getUei() + " did not match " + curNotif.getUei());
continue;
}
/** Check if event severity matches pattern in notification */
if (log.isDebugEnabled())
log.debug(
"Checking event severity: "
+ event.getSeverity()
+ " against notification severity: "
+ curNotif.getEventSeverity());
// parameter is optional, return true if not set
if (curNotif.getEventSeverity() == null) {
// Skip matching on severity
} else if (event
.getSeverity()
.toLowerCase()
.matches(curNotif.getEventSeverity().toLowerCase())) {
// Severities match
} else {
if (log.isDebugEnabled())
log.debug(
"Event severity: "
+ event.getSeverity()
+ " did not match notification severity: "
+ curNotif.getEventSeverity());
continue;
}
// The notice has to be "on"
// The notice has to match a severity if configured - currHasSeverity should be true if there
// is no severity rule
// The notice has to match the UEI of the event or MATCH-ANY-UEI
// If all those things are true:
// Then the service has to match if configured, the interface if configured, and the node if
// configured.
if (curNotif.getStatus().equals("on")) {
if (nodeInterfaceServiceValid(curNotif, event)) {
boolean parmsmatched = getConfigManager().matchNotificationParameters(event, curNotif);
if (!parmsmatched) {
if (log.isDebugEnabled())
log.debug(
"Event "
+ event.getUei()
+ " did not match parameters for notice "
+ curNotif.getName());
continue;
}
// Add this notification to the return value
notifList.add(curNotif);
if (log.isDebugEnabled())
log.debug("Event " + event.getUei() + " matched notice " + curNotif.getName());
if (!matchAll) break;
} else {
if (log.isDebugEnabled())
log.debug("Node/interface/service combination in the event was invalid");
}
} else {
if (log.isDebugEnabled()) log.debug("Current notification is turned off.");
}
}
if (!notifList.isEmpty()) {
return notifList.toArray(new Notification[0]);
} else {
return null;
}
}
/**
* replaceNotification
*
* @param oldName a {@link java.lang.String} object.
* @param newNotice a {@link org.opennms.netmgt.config.notifications.Notification} object.
* @throws org.exolab.castor.xml.MarshalException if any.
* @throws org.exolab.castor.xml.ValidationException if any.
* @throws java.io.IOException if any.
* @throws java.lang.ClassNotFoundException if any.
*/
public synchronized void replaceNotification(final String oldName, final Notification newNotice)
throws MarshalException, ValidationException, IOException, ClassNotFoundException {
// In order to preserve the order of the notices, we have to replace "in place".
Notification notice = getNotification(oldName);
if (notice != null) {
notice.setWriteable(newNotice.getWriteable());
notice.setName(newNotice.getName());
notice.setDescription(newNotice.getDescription());
notice.setUei(newNotice.getUei());
notice.setRule(newNotice.getRule());
notice.setDestinationPath(newNotice.getDestinationPath());
notice.setNoticeQueue(newNotice.getNoticeQueue());
notice.setTextMessage(newNotice.getTextMessage());
notice.setSubject(newNotice.getSubject());
notice.setNumericMessage(newNotice.getNumericMessage());
notice.setStatus(newNotice.getStatus());
notice.setVarbind(newNotice.getVarbind());
notice.getParameterCollection().clear(); // Required to avoid NMS-5948
for (Parameter parameter : newNotice.getParameterCollection()) {
Parameter newParam = new Parameter();
newParam.setName(parameter.getName());
newParam.setValue(parameter.getValue());
notice.addParameter(newParam);
}
saveCurrent();
} else addNotification(newNotice);
}
