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initial commit; version 22.5.12042

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Chris Hammer
2022-12-12 23:28:25 -05:00
commit af1b03d79f
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includes/polling/bgp/cisco-bgp4-mib.inc.php Normal file
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<?php
/**
* Observium
*
* This file is part of Observium.
*
* @package observium
* @subpackage poller
* @copyright (C) 2006-2013 Adam Armstrong, (C) 2013-2022 Observium Limited
*
*/
/**
* @var array $device
* @var string $mib
* @var array $def
* @var array $entry
* @var string $bgpLocalAs
* @var array $bgp_oids
* @var array $p_list
* @var bool $check_vrfs
* @var string $vrf_name
*/
$cisco_version = $entry['cisco_version'];
// Prefixes (Cisco v1/2)
$c_prefixes = [];
// $cbgp_defs = [ 'PeerAcceptedPrefixes', 'PeerDeniedPrefixes', 'PeerPrefixAdminLimit', 'PeerPrefixThreshold',
// 'PeerPrefixClearThreshold', 'PeerAdvertisedPrefixes', 'PeerSuppressedPrefixes', 'PeerWithdrawnPrefixes' ];
foreach ($cbgp_defs as $def_oid) {
$c_oid = $def['oids'][$def_oid]['oid'];
if ($cisco_version < 2) {
$c_oid = str_replace('cbgpPeer2', 'cbgpPeer', $c_oid);
}
$c_prefixes = snmpwalk_cache_oid($device, $c_oid, $c_prefixes, 'CISCO-BGP4-MIB');
}
foreach ($c_prefixes as $c_index => $c_entry) {
$index_array = explode('.', $c_index);
if ($cisco_version < 2) {
// v1 - IPv4 only
// cbgpPeerAcceptedPrefixes.10.255.0.1.ipv4.unicast
$safi = array_pop($index_array);
$afi = array_pop($index_array);
$peer_ip = implode('.', $index_array);
} else {
// v2
$safi = array_pop($index_array);
$afi = array_pop($index_array);
$ip_version = array_shift($index_array);
if ($ip_version === 'ipv6') {
// IPv6
// cbgpPeer2DeniedPrefixes.ipv6."20:01:07:f8:00:20:02:01:00:00:00:00:01:00:01:00".ipv6.unicast
$peer_ip = array_shift($index_array);
} else {
// IPv4
// cbgpPeer2AcceptedPrefixes.ipv4."10.255.0.1".ipv4.unicast
$peer_ip = implode('.', $index_array);
}
$peer_ip = hex2ip($peer_ip);
}
if (isset($GLOBALS['config']['routing_afis'][$afi])) {
$afi = $GLOBALS['config']['routing_afis'][$afi]['name'];
}
if (isset($GLOBALS['config']['routing_safis'][$safi])) {
$safi = $GLOBALS['config']['routing_safis'][$safi]['name'];
}
foreach ($cbgp_defs as $def_oid) {
$c_oid = $def['oids'][$def_oid]['oid'];
if ($cisco_version < 2) {
$c_oid = str_replace('cbgpPeer2', 'cbgpPeer', $c_oid);
}
$af_list[$peer_ip][$afi][$safi][$def_oid] = $c_entry[$c_oid];
}
}
unset($c_prefixes);
if ($cisco_version > 1) {
// Check Cisco cbgpPeer2Table
$cisco_peers = snmpwalk_cache_oid($device, 'cbgpPeer2RemoteAs', [], 'CISCO-BGP4-MIB');
if (safe_empty($cisco_peers)) {
return;
}
// #2 - Request not completed
// #1002 - Request timeout
if (in_array(snmp_error_code(), [ OBS_SNMP_ERROR_REQUEST_NOT_COMPLETED,
OBS_SNMP_ERROR_REQUEST_TIMEOUT,
OBS_SNMP_ERROR_BULK_REQUEST_TIMEOUT ], TRUE)) {
$snmp_incomplete = TRUE;
}
$cisco_peers = snmpwalk_cache_oid($device, $def['oids']['PeerState']['oid'], $cisco_peers, $mib);
$cisco_peers = snmpwalk_cache_oid($device, $def['oids']['PeerAdminStatus']['oid'], $cisco_peers, $mib);
$cisco_peers = snmpwalk_cache_oid($device, $def['oids']['PeerInUpdates']['oid'], $cisco_peers, $mib);
$cisco_peers = snmpwalk_cache_oid($device, $def['oids']['PeerOutUpdates']['oid'], $cisco_peers, $mib);
$cisco_peers = snmpwalk_cache_oid($device, $def['oids']['PeerInTotalMessages']['oid'], $cisco_peers, $mib);
$cisco_peers = snmpwalk_cache_oid($device, $def['oids']['PeerOutTotalMessages']['oid'], $cisco_peers, $mib);
$cisco_peers = snmpwalk_cache_oid($device, $def['oids']['PeerFsmEstablishedTime']['oid'], $cisco_peers, $mib);
$cisco_peers = snmpwalk_cache_oid($device, $def['oids']['PeerInUpdateElapsedTime']['oid'], $cisco_peers, $mib);
//$cisco_peers = snmpwalk_cache_oid($device, $def['oids']['PeerLocalAddr']['oid'], $cisco_peers, $mib);
//$cisco_peers = snmpwalk_cache_oid($device, $def['oids']['PeerIdentifier']['oid'], $cisco_peers, $mib);
// Collect founded peers
foreach ($cisco_peers as $index => $cisco_entry) {
list(, $peer_ip) = explode('.', $index, 2);
$peer_ip = hex2ip($peer_ip);
$peer_as = $cisco_entry['cbgpPeer2RemoteAs'];
$peer = [
'index' => $index,
'ip' => $peer_ip === '0.0.0.0' ? '' : $peer_ip,
'as' => $peer_as,
'admin_status' => $cisco_entry['cbgpPeer2AdminStatus']
];
if ($check_vrfs) {
$peer['virtual_name'] = $vrf_name;
}
if (is_bgp_peer_valid($peer, $device)) {
$p_list[$peer_ip][$peer_as] = 1;
// Unify peer
$cbgp2_peers[$peer_ip][$peer_as] = [];
foreach ($bgp_oids as $bgp_oid) {
$def_oid = str_replace('bgp', '', $bgp_oid); // bgpPeerState -> PeerState
$cbgp2_peers[$peer_ip][$peer_as][$bgp_oid] = $cisco_entry[$def['oids'][$def_oid]['oid']];
}
if ($check_vrfs) {
$cbgp2_peers[$peer_ip][$peer_as]['virtual_name'] = $vrf_name;
}
} else {
unset($cisco_peers[$index]); // Remove invalid entry for suppress force rediscover
}
}
// And anyway get bgpPeerLocalAddr for fix Cisco issue with incorrect random data in cbgpPeer2LocalAddr
//$cisco_fix = snmpwalk_cache_oid($device, 'bgpPeerLocalAddr', array(), 'BGP4-MIB');
}
// EOF