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https://github.com/librenms/librenms.git
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a65f5d72ea
git-svn-id: http://www.observium.org/svn/observer/trunk@169 61d68cd4-352d-0410-923a-c4978735b2b8
73 lines
2.9 KiB
PHP
Executable File
73 lines
2.9 KiB
PHP
Executable File
#!/usr/bin/php
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<?
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include("config.php");
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include("includes/functions.php");
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if(!$config['enable_bgp']) { echo("BGP Support Disabled\n"); exit; }
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### Discover BGP peers on Cisco devices
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$device_query = mysql_query("SELECT * FROM `devices` WHERE status = '1' AND os = 'IOS' ORDER BY device_id desc");
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while ($device = mysql_fetch_array($device_query)) {
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echo("\nPolling ". $device['hostname'] . "\n");
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$as_cmd = $config['snmpwalk'] . " -CI -Oqvn -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'] . " ";
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$as_cmd .= ".1.3.6.1.2.1.15.2";
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$bgpLocalAs = trim(shell_exec($as_cmd));
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if($bgpLocalAs) {
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echo("Host AS is $bgpLocalAs\n");
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if($bgpLocalAs != $device['bgpLocalAs']) { mysql_query("UPDATE devices SET bgpLocalAs = '$bgpLocalAs' WHERE device_id = '".$device['device_id']."'"); echo("Updated AS\n"); }
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$peers_cmd = $config['snmpwalk'] . " -CI -Oq -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'] . " ";
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$peers_cmd .= "BGP4-MIB::bgpPeerRemoteAs";
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$peers = trim(str_replace("BGP4-MIB::bgpPeerRemoteAs.", "", `$peers_cmd`));
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foreach (explode("\n", $peers) as $peer) {
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if($peer) {
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list($peer_ip, $peer_as) = split(" ", $peer);
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$peerlist[] = $device['device_id'] ." $peer_ip";
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$astext = trim(str_replace("\"", "", shell_exec("/usr/bin/dig +short AS$peer_as.asn.cymru.com TXT | cut -d '|' -f 5")));
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echo(str_pad($peer_ip, 32). str_pad($astext, 32) . " $peer_as ");
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if(mysql_result(mysql_query("SELECT COUNT(*) FROM `bgpPeers` WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '$peer_ip'"),0) < '1') {
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$add = mysql_query("INSERT INTO bgpPeers (`device_id`, `bgpPeerIdentifier`, `bgpPeerRemoteAS`) VALUES ('".$device['device_id']."','$peer_ip','$peer_as')");
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if($add) { echo(" Added \n"); } else { echo(" Add failed\n"); }
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} else {
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#Â$peer_data = mysql_fetch_array(mysql_query("SELECT * FROM `bgpPeers``device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '$peer_ip' "));
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echo(" Exists\n");
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$update = mysql_query("UPDATE `bgpPeers` SET astext = '$astext' WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '$peer_ip'");
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}
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} # End if
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} # End foreach
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} # End BGP check
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} # End While
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## Delete removed peers
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$sql = "SELECT * FROM bgpPeers AS B, devices AS D WHERE B.device_id = D.device_id AND D.status = '1'";
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$query = mysql_query($sql);
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while ($entry = mysql_fetch_array($query)) {
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unset($exists);
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$i = 0;
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while ($i < count($peerlist) && !$exists) {
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$this = $entry['device_id'] . " " . $entry['bgpPeerIdentifier'];
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if ($peerlist[$i] == $this) { $exists = 1; }
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$i++;
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}
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if(!$exists) {
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mysql_query("DELETE FROM bgpPeers WHERE bgpPeer_id = '" . $entry['bgpPeer_id'] . "'");
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}
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}
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?>
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