librenms/includes/polling/voltages.inc.php

55 lines
2.8 KiB
PHP
Executable File

<?php
$query = "SELECT * FROM sensors WHERE sensor_class='voltage' AND device_id = '" . $device['device_id'] . "'";
$volt_data = mysql_query($query);
while($sensor = mysql_fetch_array($volt_data)) {
echo("Checking voltage " . $sensor['sensor_descr'] . "... ");
$volt = snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB");
if ($sensor['sensor_divisor']) { $volt = $volt / $sensor['sensor_divisor']; }
if ($sensor['sensor_multiplier']) { $volt = $volt * $sensor['sensor_multiplier']; }
$old_rrd_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("volt-" . $sensor['sensor_descr'] . ".rrd");
$rrd_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/volt-" . safename($sensor['sensor_type']."-".$sensor['sensor_index']) . ".rrd";
if(is_file($old_rrd_file)) { rename($old_rrd_file, $rrd_file); }
if (!is_file($rrd_file)) {
`rrdtool create $rrd_file \
--step 300 \
DS:volt:GAUGE:600:-273:1000 \
RRA:AVERAGE:0.5:1:1200 \
RRA:MIN:0.5:12:2400 \
RRA:MAX:0.5:12:2400 \
RRA:AVERAGE:0.5:12:2400`;
}
echo($volt . " V\n");
rrdtool_update($rrd_file,"N:$volt");
if($sensor['sensor_current'] > $sensor['sensor_limit_low'] && $volt <= $sensor['sensor_limit_low'])
{
if($device['sysContact']) { $email = $device['sysContact']; } else { $email = $config['email_default']; }
$msg = "Voltage Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is " . $volt . "V (Limit " . $sensor['sensor_limit'];
$msg .= "V) at " . date($config['timestamp_format']);
notify($device, "Voltage Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
echo("Alerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "\n");
log_event('Voltage ' . $sensor['sensor_descr'] . " under threshold: " . $volt . " V (< " . $sensor['sensor_limit_low'] . " V)", $device['device_id'], 'voltage', $sensor['sensor_id']);
}
else if($sensor['sensor_current'] < $sensor['sensor_limit'] && $volt >= $sensor['sensor_limit'])
{
if($device['sysContact']) { $email = $device['sysContact']; } else { $email = $config['email_default']; }
$msg = "Voltage Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is " . $volt . "V (Limit " . $sensor['sensor_limit'];
$msg .= "V) at " . date($config['timestamp_format']);
notify($device, "Voltage Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
echo("Alerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "\n");
log_event('Voltage ' . $sensor['sensor_descr'] . " above threshold: " . $volt . " V (> " . $sensor['sensor_limit'] . " V)", $device['device_id'], 'voltage', $sensor['sensor_id']);
}
mysql_query("UPDATE sensors SET sensor_current = '$volt' WHERE sensor_class='voltage' AND sensor_id = '" . $sensor['sensor_id'] . "'");
}
?>