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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org.uk |
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* Copyright (C) 2000-2002 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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//---PACKAGE DECLARATION--- |
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package uk.org.iscream.client.monitors; |
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package uk.org.iscream.cms.server.client.monitors; |
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//---IMPORTS--- |
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import java.util.HashMap; |
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import java.util.Set; |
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import java.util.Iterator; |
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import java.text.NumberFormat; |
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import uk.org.iscream.client.*; |
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import uk.org.iscream.core.*; |
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import uk.org.iscream.util.*; |
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import uk.org.iscream.componentmanager.*; |
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import uk.org.iscream.cms.server.client.*; |
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import uk.org.iscream.cms.server.core.*; |
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import uk.org.iscream.cms.util.*; |
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import uk.org.iscream.cms.server.componentmanager.*; |
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/** |
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* This Monitor watches the Service checks on hosts |
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*/ |
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public final String REVISION = "$Revision$"; |
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/** |
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* A description of this monitor |
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*/ |
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public final String DESC = "Monitors a hosts services."; |
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//---STATIC METHODS--- |
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//---CONSTRUCTORS--- |
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//---PUBLIC METHODS--- |
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/** |
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* Analyse a packet of data, and generate an alert if |
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* necessary. |
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* |
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* @param packet the XMLPacket to analyse |
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*/ |
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public void analysePacket(XMLPacket packet) { |
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String source = packet.getParam("packet.attributes.machine_name"); |
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if(!checkBooleanConfig("Host." + source, "Monitor." + _name + ".enable")) { |
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return; |
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} |
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if (!_hosts.containsKey(source)) { |
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_hosts.put(source, new HashMap()); |
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} |
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// a tempory holder for all the disk attributes we find |
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ArrayList services = new ArrayList(); |
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// the prefix for keys relating to service checks |
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String keyPrefix = "packet.services."; |
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// unfortunatly we need to check the whole packet |
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// to find the disks, and then get the data attributes |
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Set packetSet = packet.getSet(); |
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Iterator i = packetSet.iterator(); |
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while (i.hasNext()) { |
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String dataKey = (String) i.next(); |
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if(dataKey.startsWith("packet.services.")) { |
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if(dataKey.startsWith(keyPrefix)) { |
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if(!services.contains(dataKey)) { |
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String serviceType = ""; |
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// pos is after "packet.services." |
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int pos = 16; |
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int pos = keyPrefix.length(); |
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while (dataKey.charAt(pos) != '.') { |
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serviceType = serviceType + dataKey.charAt(pos); |
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pos++; |
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} |
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// add the service to our list, with the packet data |
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services.add("packet.services." + serviceType + ".attributes.status"); |
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String status = packet.getParam("packet.services." + serviceType + ".attributes.status"); |
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services.add("packet.services." + serviceType + ".attributes.message"); |
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String message = packet.getParam("packet.services." + serviceType + ".attributes.message"); |
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// add the service to our list, with the packet data |
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services.add(keyPrefix + serviceType + ".attributes.status"); |
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String status = packet.getParam(keyPrefix + serviceType + ".attributes.status"); |
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services.add(keyPrefix + serviceType + ".attributes.message"); |
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String message = packet.getParam(keyPrefix + serviceType + ".attributes.message"); |
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// *** now process this service *** |
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// check if we've seen this service before on a previous run |
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// if not, we need to create a register for it |
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if(!serviceRegisters.containsKey(serviceType)) { |
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serviceRegisters.put(serviceType, new Register(source, _name)); |
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} |
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// get the register for this service |
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Register reg = (Register) serviceRegisters.get(serviceType); |
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// as we don't really have a threshold for services, |
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// a temporary fix is to use the status value as a threshold. |
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// after all, a 0 status is a NORMAL threshold ;) |
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// don't try to continue and go try the next service |
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break; |
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} |
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// say which service it was |
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String attributeName = serviceType + " service"; |
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String displayValue = ""; |
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} else { |
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displayValue = "FAILED"; |
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} |
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processAlert(newThreshold, attributeName, reg, source, displayValue); |
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} |
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} |
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* Overrides the {@link java.lang.Object#toString() Object.toString()} |
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* method to provide clean logging (every class should have this). |
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* |
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* This uses the uk.org.iscream.util.NameFormat class |
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* This uses the uk.org.iscream.cms.util.NameFormat class |
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* to format the toString() |
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* |
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* @return the name of this class and its CVS revision |
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//---PRIVATE METHODS--- |
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//---ACCESSOR/MUTATOR METHODS--- |
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/** |
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* Returns a reference to a specific Queue for this |
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* monitor. This Queue returns only the data packets |
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* (based on type) that we want too look at. |
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* |
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* @return a reference to a Queue |
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*/ |
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protected Queue getQueue() { |
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return MonitorManager.getInstance().getHeartbeatQueue(); |
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return MonitorManager.getInstance().getOtherQueue(); |
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} |
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//---ATTRIBUTES--- |
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private String _name = "Services"; |
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/** |
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* A reference to the configuration proxy in use |
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* A HashMap of Registers (or groups of Registers), one |
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* for each host we're monitoring. |
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*/ |
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private ConfigurationProxy _cp = ConfigurationProxy.getInstance(); |
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private HashMap _hosts = new HashMap(); |
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//---STATIC ATTRIBUTES--- |
