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	git-svn-id: http://www.observium.org/svn/observer/trunk@1223 61d68cd4-352d-0410-923a-c4978735b2b8
		
			
				
	
	
		
			50 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			PHP
		
	
	
		
			Executable File
		
	
	
	
	
<?php
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$query = "SELECT * FROM temperature WHERE device_id = '" . $device['device_id'] . "'";
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$temp_data = mysql_query($query);
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while($temperature = mysql_fetch_array($temp_data)) {
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  echo("Checking temp " . $temperature['temp_descr'] . "... ");
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  for ($i = 0;$i < 5;$i++) # Try 5 times to get a valid temp reading
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  {
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    if ($debug) echo "Attempt $i ";
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    $temp_cmd = $config['snmpget'] . " -m SNMPv2-MIB -O Uqnv -" . $device['snmpver'] . " -c " . $device['community'] . " " . $device['hostname'].":".$device['port'] . " " . $temperature['temp_oid'] . "|grep -v \"No Such Instance\"";
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    $temp = trim(str_replace("\"", "", shell_exec($temp_cmd)));
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    if ($temp != 9999) break; # TME sometimes sends 999.9 when it is right in the middle of an update;
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    sleep(1); # Give the TME some time to reset
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  }
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  if ($temperature['temp_precision']) { $temp = $temp / $temperature['temp_precision']; }
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  $temprrd  = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("temp-" . $temperature['temp_descr'] . ".rrd");
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  if (!is_file($temprrd)) {
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    `rrdtool create $temprrd \
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     --step 300 \
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     DS:temp:GAUGE:600:-273:1000 \
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     RRA:AVERAGE:0.5:1:1200 \
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     RRA:MIN:0.5:12:2400 \
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     RRA:MAX:0.5:12:2400 \
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     RRA:AVERAGE:0.5:12:2400`;
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  }
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  echo($temp . "C\n");
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  rrdtool_update($temprrd,"N:$temp");
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  if($temperature['temp_current'] < $temperature['temp_limit'] && $temp >= $temperature['temp_limit']) {
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    if($device['sysContact']) { $email = $device['sysContact']; } else { $email = $config['email_default']; }
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    $msg  = "Temp Alarm: " . $device['hostname'] . " " . $temperature['temp_descr'] . " is " . $temp . " (Limit " . $temperature['temp_limit'];
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    $msg .= ") at " . date($config['timestamp_format']);
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    mail($email, "Temp Alarm: " . $device['hostname'] . " " . $temperature['temp_descr'], $msg, $config['email_headers']);
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    echo("Alerting for " . $device['hostname'] . " " . $temperature['temp_descr'] . "\n");
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    log_event('Temperature ' . $temperature['temp_descr'] . " over threshold: " . $temp . " °C (> " . $temperature['temp_limit'] . " °C)", $device['device_id'], 'temperature', $temperature['temp_id']);
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  }
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  mysql_query("UPDATE temperature SET temp_current = '$temp' WHERE temp_id = '" . $temperature['temp_id'] . "'");
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}
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?>
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