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MAC Vendor OUI use scheduler (#15187)

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* MAC Vendor OUI use scheduler
Add command to update `lnms maintenance:fetch-ouis`
Show vendor column in tables if mac_oui.enabled is set to true
Improve scheduler validation handle non-standard install directories and systems without systemd
Add index to table to improve speed and improve mac->vendor lookup speed
Scheduled weekly with random wait to prevent stampeding herd issues for upstream
drop oui update from daily

* MAC Vendor OUI use scheduler
Add command to update `lnms maintenance:fetch-ouis`
Show vendor column in tables if mac_oui.enabled is set to true

* Lint fixes and better prefix detection

* update schema file
This commit is contained in:
Tony Murray
2023-08-03 19:29:30 -05:00
committed by GitHub
parent 5a56e9081e
commit 12f8bb2040
19 changed files with 273 additions and 135 deletions
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77
includes/functions.php
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@@ -1163,83 +1163,6 @@ function q_bridge_bits2indices($hex_data)
return $indices;
}
/**
* Function to generate Mac OUI Cache
*/
function mac_oui_to_database()
{
// Refresh timer
$mac_oui_refresh_int_min = 86400 * rand(7, 11); // 7 days + a random number between 0 and 4 days
$lock = Cache::lock('vendor_oui_db_refresh', $mac_oui_refresh_int_min); // We want to refresh after at least $mac_oui_refresh_int_min
if (Config::get('mac_oui.enabled') !== true) {
echo 'Mac OUI integration disabled' . PHP_EOL;
return 0;
}
if ($lock->get()) {
echo 'Storing Mac OUI in the database' . PHP_EOL;
try {
$mac_oui_url = 'https://www.wireshark.org/download/automated/data/manuf';
//$mac_oui_url = 'https://gitlab.com/wireshark/wireshark/-/raw/master/manuf';
//$mac_oui_url_mirror = 'https://raw.githubusercontent.com/wireshark/wireshark/master/manuf';
echo ' -> Downloading ...' . PHP_EOL;
$get = \LibreNMS\Util\Http::client()->get($mac_oui_url);
echo ' -> Processing CSV ...' . PHP_EOL;
$csv_data = $get->body();
// Process each line of the CSV data
foreach (explode("\n", $csv_data) as $csv_line) {
unset($oui);
$entry = str_getcsv($csv_line, "\t");
$length = strlen($entry[0]);
$prefix = strtolower(str_replace(':', '', $entry[0]));
$vendor = $entry[1];
if (is_array($entry) && count($entry) >= 2 && $length == 8) {
// We have a standard OUI xx:xx:xx
$oui = $prefix;
} elseif (is_array($entry) && count($entry) >= 2 && $length == 20) {
// We have a smaller range (xx:xx:xx:X or xx:xx:xx:xx:X)
if (substr($prefix, -2) == '28') {
$oui = substr($prefix, 0, 7);
} elseif (substr($prefix, -2) == '36') {
$oui = substr($prefix, 0, 9);
}
}
if (isset($oui)) {
// Store the OUI for the vendor in the database
DB::table('vendor_ouis')->insert([
'vendor' => $vendor,
'oui' => $oui,
]);
echo "Adding $oui for $vendor" . PHP_EOL;
}
}
} catch (Exception $e) {
echo 'Error processing Mac OUI:' . PHP_EOL;
echo 'Exception: ' . get_class($e) . PHP_EOL;
echo $e->getMessage() . PHP_EOL;
$lock->release(); // We did not succeed, so we'll try again next time
return 1;
}
} else {
echo 'Not able to acquire lock, skipping mac database update' . PHP_EOL;
return 1;
}
return 0;
}
/**
* Function to generate PeeringDB Cache
*/