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https://github.com/librenms/librenms.git
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bfc9f845ce
git-svn-id: http://www.observium.org/svn/observer/trunk@466 61d68cd4-352d-0410-923a-c4978735b2b8
98 lines
4.5 KiB
PHP
Executable File
98 lines
4.5 KiB
PHP
Executable File
<?php
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### Discover BGP peers on Cisco devices
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echo("BGP Sessions : ");
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$as_cmd = $config['snmpwalk'] . " -m BGP4-MIB -CI -Oqvn -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'] . " ";
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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 && !strstr($bgpLocalAs, " ")) {
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echo("AS$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'] . " -m BGP4-MIB -CI -Oq -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'] . " ";
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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 $peer) {
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list($peer_ip, $peer_as) = split(" ", $peer);
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if($peer && $peer_ip != "0.0.0.0") {
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$peerlist[] = $device['device_id'] ." $peer_ip";
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$astext = trim(str_replace("\"", "", shell_exec("/usr/bin/dig +short AS$peer_as.asn.cymru.com TXT | cut -d '|' -f 5 | sed s/\\\"//g")));
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echo(str_pad($peer_ip, 40) . " AS$peer_as ");
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#echo("$peer_ip AS$peer_as ");
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if(mysql_result(mysql_query("SELECT COUNT(*) FROM `bgpPeers` WHERE `device_id` = '".$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','$peer_as')");
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echo("+");
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} else {
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$update = mysql_query("UPDATE `bgpPeers` SET astext = '$astext' WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '$peer_ip'");
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}
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## Get afi/safi and populate cbgp on cisco IOS
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if($device['os'] == "IOS" || $device['os'] == "IOS XE") {
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unset($af_list);
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$af_cmd = $config['snmpwalk'] . " -CI -m CISCO-BGP4-MIB -OsQ -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'] . " ";
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$af_cmd .= "cbgpPeerAddrFamilyName." . $peer_ip;
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$afs = trim(str_replace("cbgpPeerAddrFamilyName.".$peer_ip.".", "", `$af_cmd`));
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foreach (explode("\n", $afs) as $af) {
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list($afisafi, $text) = explode(" = ", $af);
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list($afi, $safi) = explode(".", $afisafi);
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if($afi && $safi) {
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echo("($afi:$safi)");
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$af_list['$afi']['$safi'] = 1;
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if(mysql_result(mysql_query("SELECT COUNT(*) FROM `bgpPeers_cbgp` WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '$peer_ip' AND afi = '$afi' AND safi = '$safi'"),0) == 0) {
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mysql_query("INSERT INTO `bgpPeers_cbgp` (device_id,bgpPeerIdentifier, afi, safi) VALUES ('".$device['device_id']."','$peer_ip','$afi','$safi')");
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}
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}
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}
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$af_query = mysql_query("SELECT * FROM bgpPeers_cbgp WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '$peer_ip'");
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while ($entry = mysql_fetch_array($af_query)) {
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$afi = $entry['afi'];
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$afi = $entry['safi'];
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if (!$af_list['$afi']['$safi']) {
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mysql_query("DELETE FROM `bgpPeers_cbgp` WHERE `device_id` = '".$device['device_id']."' AND bgpPeerIdentifier = '$peer_ip' AND afi = '$afi' AND safi = '$safi'");
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}
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} # AF list
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} # if IOS
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echo("\n");
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} # If Peer
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} # Foreach
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} else {
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echo("No BGP on host");
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if($device['bgpLocalAs']) {
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mysql_query("UPDATE devices SET bgpLocalAs = NULL WHERE device_id = '".$device['device_id']."'"); echo(" (Removed ASN)\n");
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} # End if
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} # End if
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## Delete removed peers
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$sql = "SELECT * FROM bgpPeers AS B, devices AS D WHERE B.device_id = D.device_id AND D.device_id = '".$device['device_id']."'";
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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) && !$exists) {
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$checkme = $entry['device_id'] . " " . $entry['bgpPeerIdentifier'];
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if ($peerlist[$i] == $checkme) { $exists = 1; }
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$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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mysql_query("DELETE FROM bgpPeers_cbgp WHERE bgpPeer_id = '" . $entry['bgpPeer_id'] . "'");
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echo("-");
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}
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}
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?>
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