mirror of
https://github.com/librenms/librenms.git
synced 2024-10-07 16:52:45 +00:00
cfe43d9b70
git-svn-id: http://www.observium.org/svn/observer/trunk@2741 61d68cd4-352d-0410-923a-c4978735b2b8
213 lines
8.5 KiB
PHP
213 lines
8.5 KiB
PHP
<?php
|
|
|
|
function poll_sensor($device, $class, $unit)
|
|
{
|
|
global $config;
|
|
|
|
foreach (dbFetchRows("SELECT * FROM `sensors` WHERE `sensor_class` = ? AND `device_id` = ? AND `poller_type` = 'snmp'", array($class, $device['device_id'])) as $sensor)
|
|
{
|
|
echo("Checking $class " . $sensor['sensor_descr'] . "... ");
|
|
|
|
if ($class == "temperature")
|
|
{
|
|
for ($i = 0;$i < 5;$i++) # Try 5 times to get a valid temp reading
|
|
{
|
|
if ($debug) echo("Attempt $i ");
|
|
$sensor_value = snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB");
|
|
$sensor_value = trim(str_replace("\"", "", $sensor_value));
|
|
|
|
if ($sensor_value != 9999) break; # TME sometimes sends 999.9 when it is right in the middle of an update;
|
|
sleep(1); # Give the TME some time to reset
|
|
}
|
|
} else {
|
|
$sensor_value = snmp_get($device, $sensor['sensor_oid'], "-OUqnv", "SNMPv2-MIB");
|
|
}
|
|
|
|
if ($sensor_value == -32768) { echo("Invalid (-32768) "); $sensor_value = 0; }
|
|
|
|
if ($sensor['sensor_divisor']) { $sensor_value = $sensor_value / $sensor['sensor_divisor']; }
|
|
if ($sensor['sensor_multiplier']) { $sensor_value = $sensor_value * $sensor['sensor_multiplier']; }
|
|
|
|
$rrd_file = get_sensor_rrd($device, $sensor);
|
|
|
|
#$rrd_file = $config['rrd_dir']."/".$device['hostname']."/".safename("sensor-".$sensor['sensor_class']."-".$sensor['sensor_type']."-".$sensor['sensor_index'] . ".rrd");
|
|
|
|
## FIXME - sensor name format change 2011/04/26 - remove this in $amount_of_time.
|
|
## We don't want to reduce performance forever because douchebags don't svn up!
|
|
$old_rrd_file = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("$class-" . $sensor['sensor_descr'] . ".rrd");
|
|
$old_rrd_file_b = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("$class-" . $sensor['sensor_index'] . ".rrd");
|
|
if (is_file($old_rrd_file) && is_file($old_rrd_file_b))
|
|
{
|
|
rename($old_rrd_file, $rrd_file);
|
|
unlink($old_rrd_file_b);
|
|
} elseif (is_file($old_rrd_file)) {
|
|
rename($old_rrd_file, $rrd_file);
|
|
} elseif (is_file($old_rrd_file_b)) {
|
|
rename($old_rrd_file_b, $rrd_file);
|
|
}
|
|
|
|
if (!is_file($rrd_file))
|
|
{
|
|
rrdtool_create($rrd_file,"--step 300 \
|
|
DS:sensor:GAUGE:600:-20000:20000 \
|
|
RRA:AVERAGE:0.5:1:1200 \
|
|
RRA:AVERAGE:0.5:12:2400 \
|
|
RRA:AVERAGE:0.5:288:1200 \
|
|
RRA:MAX:0.5:12:2400 \
|
|
RRA:MAX:0.5:288:1200 \
|
|
RRA:MIN:0.5:12:2400 \
|
|
RRA:MIN:0.5:288:1200");
|
|
}
|
|
|
|
echo("$sensor_value $unit\n");
|
|
|
|
rrdtool_update($rrd_file,"N:$sensor_value");
|
|
|
|
# FIXME also warn when crossing WARN level!!
|
|
if ($sensor['sensor_limit_low'] != "" && $sensor['sensor_current'] > $sensor['sensor_limit_low'] && $sensor_value <= $sensor['sensor_limit_low'])
|
|
{
|
|
$msg = ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is under threshold: " . $sensor_value . "$unit (< " . $sensor['sensor_limit'];
|
|
$msg .= "$unit) at " . date($config['timestamp_format']);
|
|
notify($device, ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
|
|
echo("Alerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "\n");
|
|
log_event(ucfirst($class) . ' ' . $sensor['sensor_descr'] . " under threshold: " . $sensor_value . " $unit (< " . $sensor['sensor_limit_low'] . " $unit)", $device, $class, $sensor['sensor_id']);
|
|
}
|
|
else if ($sensor['sensor_limit'] != "" && $sensor['sensor_current'] < $sensor['sensor_limit'] && $sensor_value >= $sensor['sensor_limit'])
|
|
{
|
|
$msg = ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'] . " is over threshold: " . $sensor_value . "$unit (> " . $sensor['sensor_limit'];
|
|
$msg .= "$unit) at " . date($config['timestamp_format']);
|
|
notify($device, ucfirst($class) . " Alarm: " . $device['hostname'] . " " . $sensor['sensor_descr'], $msg);
|
|
echo("Alerting for " . $device['hostname'] . " " . $sensor['sensor_descr'] . "\n");
|
|
log_event(ucfirst($class) . ' ' . $sensor['sensor_descr'] . " above threshold: " . $sensor_value . " $unit (> " . $sensor['sensor_limit'] . " $unit)", $device, $class, $sensor['sensor_id']);
|
|
}
|
|
|
|
dbUpdate(array('sensor_current' => $sensor_value), 'sensors', '`sensor_class` = ? AND `sensor_id` = ?', array($class, $sensor['sensor_id']));
|
|
}
|
|
}
|
|
|
|
function poll_device($device, $options)
|
|
{
|
|
global $config, $device, $polled_devices, $db_stats;
|
|
|
|
$attribs = get_dev_attribs($device['device_id']);
|
|
|
|
$status = 0; unset($array);
|
|
$device_start = utime(); // Start counting device poll time
|
|
|
|
echo($device['hostname'] . " ".$device['device_id']." ".$device['os']." ");
|
|
if ($config['os'][$device['os']]['group'])
|
|
{
|
|
$device['os_group'] = $config['os'][$device['os']]['group'];
|
|
echo("(".$device['os_group'].")");
|
|
}
|
|
echo("\n");
|
|
|
|
unset($poll_update); unset($poll_update_query); unset($poll_separator);
|
|
$poll_update_array = array();
|
|
|
|
$host_rrd = $config['rrd_dir'] . "/" . $device['hostname'];
|
|
if (!is_dir($host_rrd)) { mkdir($host_rrd); echo("Created directory : $host_rrd\n"); }
|
|
|
|
$device['pingable'] = isPingable($device['hostname']);
|
|
if ($device['pingable'])
|
|
{
|
|
$device['snmpable'] = isSNMPable($device);
|
|
if ($device['snmpable'])
|
|
{
|
|
$status = "1";
|
|
} else {
|
|
echo("SNMP Unreachable");
|
|
$status = "0";
|
|
}
|
|
} else {
|
|
echo("Unpingable");
|
|
$status = "0";
|
|
}
|
|
|
|
if ($device['status'] != $status)
|
|
{
|
|
$poll_update .= $poll_separator . "`status` = '$status'";
|
|
$poll_separator = ", ";
|
|
|
|
dbUpdate(array('status' => $status), 'devices', 'device_id=?', array($device['device_id']));
|
|
dbInsert(array('importance' => '0', 'device_id' => $device['device_id'], 'message' => "Device is " .($status == '1' ? 'up' : 'down')), 'alerts');
|
|
|
|
log_event('Device status changed to ' . ($status == '1' ? 'Up' : 'Down'), $device, ($status == '1' ? 'up' : 'down'));
|
|
notify($device, "Device ".($status == '1' ? 'Up' : 'Down').": " . $device['hostname'], "Device ".($status == '1' ? 'up' : 'down').": " . $device['hostname'] . " at " . date($config['timestamp_format']));
|
|
}
|
|
|
|
if ($status == "1")
|
|
{
|
|
$graphs = array();
|
|
$oldgraphs = array();
|
|
|
|
if ($options['m'])
|
|
{
|
|
if (is_file("includes/polling/".$options['m'].".inc.php"))
|
|
{
|
|
include("includes/polling/".$options['m'].".inc.php");
|
|
}
|
|
} else {
|
|
foreach ($config['poller_modules'] as $module => $module_status)
|
|
{
|
|
if ($attribs['poll_'.$module] || ( $module_status && !isset($attribs['poll_'.$module])))
|
|
{
|
|
include('includes/polling/'.$module.'.inc.php');
|
|
} elseif (isset($attribs['poll_'.$module]) && $attribs['poll_'.$module] == "0") {
|
|
echo("Module [ $module ] disabled on host.\n");
|
|
} else {
|
|
echo("Module [ $module ] disabled globally.\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!$options['m'])
|
|
{
|
|
## FIXME EVENTLOGGING -- MAKE IT SO WE DO THIS PER-MODULE?
|
|
### This code cycles through the graphs already known in the database and the ones we've defined as being polled here
|
|
### If there any don't match, they're added/deleted from the database.
|
|
### Ideally we should hold graphs for xx days/weeks/polls so that we don't needlessly hide information.
|
|
|
|
print_r($graphs);
|
|
|
|
foreach (dbFetch("SELECT `graph` FROM `device_graphs` WHERE `device_id` = ?", array($device['device_id'])) as $graph)
|
|
{
|
|
if (!isset($graphs[$graph["graph"]]))
|
|
{
|
|
dbDelete('device_graphs', "`device_id` = ? AND `graph` = ?", array($device['device_id'], $graph["graph"]));
|
|
} else {
|
|
$oldgraphs[$graph["graph"]] = TRUE;
|
|
}
|
|
}
|
|
|
|
foreach ($graphs as $graph => $value)
|
|
{
|
|
if (!isset($oldgraphs[$graph]))
|
|
{
|
|
dbInsert(array('device_id' => $device['device_id'], 'graph' => $graph), 'device_graphs');
|
|
}
|
|
}
|
|
}
|
|
|
|
$device_end = utime(); $device_run = $device_end - $device_start; $device_time = substr($device_run, 0, 5);
|
|
|
|
$update_array['last_polled'] = array('NOW()');
|
|
$update_array['last_polled_timetaken'] = $device_time;
|
|
|
|
#echo("$device_end - $device_start; $device_time $device_run");
|
|
echo("Polled in $device_time seconds\n");
|
|
|
|
if ($debug) { echo("Updating " . $device['hostname'] . " - ".print_r($update_array)." \n"); }
|
|
|
|
$updated = dbUpdate($update_array, 'devices', '`device_id` = ?', array($device['device_id']));
|
|
if ($updated) { echo("UPDATED!\n"); }
|
|
|
|
unset($storage_cache); // Clear cache of hrStorage ** MAYBE FIXME? **
|
|
unset($cache); // Clear cache (unify all things here?)
|
|
}
|
|
|
|
$polled_devices++;
|
|
}
|
|
|
|
?>
|