mirror of
https://github.com/librenms/librenms.git
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1864e577d8
git-svn-id: http://www.observium.org/svn/observer/trunk@2072 61d68cd4-352d-0410-923a-c4978735b2b8
54 lines
2.8 KiB
PHP
Executable File
54 lines
2.8 KiB
PHP
Executable File
<?php
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$query = "SELECT * FROM sensors WHERE sensor_class='fanspeed' AND device_id = '" . $device['device_id'] . "' AND poller_type='snmp'";
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$fan_data = mysql_query($query);
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while ($sensor = mysql_fetch_assoc($fan_data))
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{
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echo("Checking fan " . $sensor['sensor_descr'] . "... ");
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$fan = snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB");
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if ($sensor['sensor_divisor']) { $fan = $fan / $sensor['sensor_divisor']; }
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if ($sensor['sensor_multiplier']) { $fan = $fan * $sensor['sensor_multiplier']; }
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$old_rrd_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("fanspeed-" . $sensor['sensor_descr'] . ".rrd");
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$rrd_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/fanspeed-" . safename($sensor['sensor_type']."-".$sensor['sensor_index']) . ".rrd";
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if (is_file($old_rrd_file)) { rename($old_rrd_file, $rrd_file); }
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if (!is_file($rrd_file))
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{
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rrdtool_create($rrd_file,"--step 300 \
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DS:sensor:GAUGE:600:0:20000 \
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RRA:AVERAGE:0.5:1:1200 \
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RRA:MIN:0.5:12:2400 \
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RRA:MAX:0.5:12:2400 \
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RRA:AVERAGE:0.5:12:2400");
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}
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echo($fan . " rpm\n");
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rrdtool_update($rrd_file,"N:$fan");
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if ($sensor['sensor_limit_low'] != "" && $sensor['sensor_current'] > $sensor['sensor_limit_low'] && $fan <= $sensor['sensor_limit_low'])
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{
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$msg = "Fan Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is " . $fan . "rpm (Limit " . $sensor['sensor_limit_low'];
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$msg .= "rpm) at " . date($config['timestamp_format']);
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notify($device, "Fan Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
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echo("Alerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "\n");
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log_event('Fan speed ' . $sensor['sensor_descr'] . " under threshold: " . $sensor['sensor_current'] . " rpm (<= " . $sensor['sensor_limit_low'] . " rpm)", $device, 'fanspeed', $sensor['sensor_id']);
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}
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else if ($sensor['sensor_limit_low_warn'] != "" && $sensor['sensor_limit_low_warn'] && $sensor['sensor_current'] > $sensor['sensor_limit_warn'] && $fan <= $sensor['sensor_limit_low_warn'])
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{
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$msg = "Fan Warning: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is " . $fan . "rpm (Warning limit " . $sensor['sensor_limit_low_warn'];
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$msg .= "rpm) at " . date($config['timestamp_format']);
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notify($device, "Fan Warning: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
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echo("Alerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "\n");
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log_event('Fan speed ' . $sensor['sensor_descr'] . " under warning threshold: " . $sensor['sensor_current'] . " rpm (<= " . $sensor['sensor_limit_low_warn'] . " rpm)", $device, 'fanspeed', $sensor['sensor_id']);
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}
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mysql_query("UPDATE sensors SET sensor_current = '$fan' WHERE sensor_class='fanspeed' AND sensor_id = '" . $sensor['sensor_id'] . "'");
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}
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?>
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