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librenms/includes/polling/bgp-peers.inc.php
Adam Amstrong 66b34b8999 more db* (and add on-the-fly discovery of ports and removal of OSPF areas) 
git-svn-id: http://www.observium.org/svn/observer/trunk@2338 61d68cd4-352d-0410-923a-c4978735b2b8
2011-05-16 21:56:01 +00:00

248 lines
14 KiB
PHP
Executable File
Raw Blame History

<?php
## We should walk, so we can discover here too.
echo("Polling BGP peers\n");
if (!$config['enable_bgp'])
{
echo("BGP Support Disabled\n");
}
else
{
foreach (dbFetchRows("SELECT * FROM bgpPeers WHERE device_id = ?", array($device['device_id'])) as $peer)
{
### Poll BGP Peer
echo("Checking ".$peer['bgpPeerIdentifier']." ");
if (!strstr($peer['bgpPeerIdentifier'],':'))
{
# v4 BGP4 MIB
## FIXME - needs moved to function
$peer_cmd = $config['snmpget'] . " -M ".$config['mibdir'] . " -m BGP4-MIB -OUvq -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'] . " ";
$peer_cmd .= "bgpPeerState." . $peer['bgpPeerIdentifier'] . " bgpPeerAdminStatus." . $peer['bgpPeerIdentifier'] . " bgpPeerInUpdates." . $peer['bgpPeerIdentifier'] . " bgpPeerOutUpdates." . $peer['bgpPeerIdentifier'] . " bgpPeerInTotalMessages." . $peer['bgpPeerIdentifier'] . " ";
$peer_cmd .= "bgpPeerOutTotalMessages." . $peer['bgpPeerIdentifier'] . " bgpPeerFsmEstablishedTime." . $peer['bgpPeerIdentifier'] . " bgpPeerInUpdateElapsedTime." . $peer['bgpPeerIdentifier'] . " ";
$peer_cmd .= "bgpPeerLocalAddr." . $peer['bgpPeerIdentifier'] . "";
$peer_data = trim(`$peer_cmd`);
list($bgpPeerState, $bgpPeerAdminStatus, $bgpPeerInUpdates, $bgpPeerOutUpdates, $bgpPeerInTotalMessages, $bgpPeerOutTotalMessages, $bgpPeerFsmEstablishedTime, $bgpPeerInUpdateElapsedTime, $bgpLocalAddr) = explode("\n", $peer_data);
}
else
if ($device['os'] == "junos")
{
# v6 for JunOS via Juniper MIB
$peer_ip = ipv62snmp($peer['bgpPeerIdentifier']);
if (!isset($junos_v6))
{
echo("\nCaching Oids...");
## FIXME - needs moved to function
$peer_cmd = $config['snmpwalk'] . " -M ".$config['mibdir'] . "/junos -m BGP4-V2-MIB-JUNIPER -OUnq -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'];
$peer_cmd .= " jnxBgpM2PeerStatus.0.ipv6";
foreach (explode("\n",trim(`$peer_cmd`)) as $oid)
{
list($peer_oid) = explode(' ',$oid);
$peer_id = explode('.',$peer_oid);
$junos_v6[implode('.',array_slice($peer_id,35))] = implode('.',array_slice($peer_id,18));
}
}
## FIXME - move to function (and clean up, wtf?)
$peer_cmd = $config['snmpget'] . " -M ".$config['mibdir'] . "/junos -m BGP4-V2-MIB-JUNIPER -OUvq -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'];
$peer_cmd .= " jnxBgpM2PeerState.0.ipv6." . $junos_v6[$peer_ip];
$peer_cmd .= " jnxBgpM2PeerStatus.0.ipv6." . $junos_v6[$peer_ip]; # Should be jnxBgpM2CfgPeerAdminStatus but doesn't seem to be implemented?
$peer_cmd .= " jnxBgpM2PeerInUpdates.0.ipv6." . $junos_v6[$peer_ip];
$peer_cmd .= " jnxBgpM2PeerOutUpdates.0.ipv6." . $junos_v6[$peer_ip];
$peer_cmd .= " jnxBgpM2PeerInTotalMessages.0.ipv6." . $junos_v6[$peer_ip];
$peer_cmd .= " jnxBgpM2PeerOutTotalMessages.0.ipv6." . $junos_v6[$peer_ip];
$peer_cmd .= " jnxBgpM2PeerFsmEstablishedTime.0.ipv6." . $junos_v6[$peer_ip];
$peer_cmd .= " jnxBgpM2PeerInUpdatesElapsedTime.0.ipv6." . $junos_v6[$peer_ip];
$peer_cmd .= " jnxBgpM2PeerLocalAddr.0.ipv6." . $junos_v6[$peer_ip];
$peer_cmd .= ' -M"' . $config['install_dir'] . '/mibs/junos"|grep -v "No Such Instance"';
if ($debug) echo("\n$peer_cmd\n");
$peer_data = trim(`$peer_cmd`);
list($bgpPeerState, $bgpPeerAdminStatus, $bgpPeerInUpdates, $bgpPeerOutUpdates, $bgpPeerInTotalMessages, $bgpPeerOutTotalMessages, $bgpPeerFsmEstablishedTime, $bgpPeerInUpdateElapsedTime, $bgpLocalAddr) = explode("\n", $peer_data);
if ($debug) { echo("State = $bgpPeerState - AdminStatus: $bgpPeerAdminStatus\n"); }
$bgpLocalAddr = str_replace('"','',str_replace(' ','',$bgpLocalAddr));
if ($bgpLocalAddr == "00000000000000000000000000000000")
{
$bgpLocalAddr = ''; # Unknown?
}
else
{
$bgpLocalAddr = strtolower($bgpLocalAddr);
for ($i = 0;$i < 32;$i+=4)
{
$bgpLocalAddr6[] = substr($bgpLocalAddr,$i,4);
}
$bgpLocalAddr = Net_IPv6::compress(implode(':',$bgpLocalAddr6)); unset($bgpLocalAddr6);
}
}
if ($bgpPeerFsmEstablishedTime)
{
if ($bgpPeerFsmEstablishedTime < $peer['bgpPeerFsmEstablishedTime'] || $bgpPeerState != $peer['bgpPeerState'])
{
if ($peer['bgpPeerState'] == $bgpPeerState)
{
notify($device, "BGP Session flapped: " . $peer['bgpPeerIdentifier'] . ' (AS' . $peer['bgpPeerRemoteAs'] . ' - ' . $peer['astext'] . ')', "BGP Session flapped " . formatUptime($bgpPeerFsmEstablishedTime) . " ago.\n\nHostname : " . $device['hostname'] . "\nPeer IP : " . $peer['bgpPeerIdentifier'] . "\nRemote AS: " . $peer['bgpPeerRemoteAs'] . ' ('.$peer['astext'].')');
log_event('BGP Session Flap: ' . $peer['bgpPeerIdentifier'] . ' (AS' . $peer['bgpPeerRemoteAs'] . ')', $device, 'bgpPeer', $bgpPeer_id);
}
else if ($bgpPeerState == "established")
{
notify($device, "BGP Session up: " . $peer['bgpPeerIdentifier'] . ' (AS' . $peer['bgpPeerRemoteAs'] . ' - ' . $peer['astext'] . ')', "BGP Session up since " . formatUptime($bgpPeerFsmEstablishedTime) . ".\n\nHostname : " . $device['hostname'] . "\nPeer IP : " . $peer['bgpPeerIdentifier'] . "\nRemote AS: " . $peer['bgpPeerRemoteAs'] . ' ('.$peer['astext'].')');
log_event('BGP Session Up: ' . $peer['bgpPeerIdentifier'] . ' (AS' . $peer['bgpPeerRemoteAs'] . ')', $device, 'bgpPeer', $bgpPeer_id);
}
else if ($peer['bgpPeerState'] == "established")
{
notify($device, "BGP Session down: " . $peer['bgpPeerIdentifier'] . ' (AS' . $peer['bgpPeerRemoteAs'] . ' - ' . $peer['astext'] . ')', "BGP Session down since " . formatUptime($bgpPeerFsmEstablishedTime) . ".\n\nHostname : " . $device['hostname'] . "\nPeer IP : " . $peer['bgpPeerIdentifier'] . "\nRemote AS: " . $peer['bgpPeerRemoteAs'] . ' ('.$peer['astext'].')');
log_event('BGP Session Down: ' . $peer['bgpPeerIdentifier'] . ' (AS' . $peer['bgpPeerRemoteAs'] . ')', $device, 'bgpPeer', $bgpPeer_id);
}
}
}
$peerrrd = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("bgp-" . $peer['bgpPeerIdentifier'] . ".rrd");
if (!is_file($peerrrd))
{
$create_rrd = "DS:bgpPeerOutUpdates:COUNTER:600:U:100000000000 \
DS:bgpPeerInUpdates:COUNTER:600:U:100000000000 \
DS:bgpPeerOutTotal:COUNTER:600:U:100000000000 \
DS:bgpPeerInTotal:COUNTER:600:U:100000000000 \
DS:bgpPeerEstablished:GAUGE:600:0:U \
RRA:AVERAGE:0.5:1:600 \
RRA:AVERAGE:0.5:6:700 \
RRA:AVERAGE:0.5:24:775 \
RRA:AVERAGE:0.5:288:797 \
RRA:MAX:0.5:1:600 \
RRA:MAX:0.5:6:700 \
RRA:MAX:0.5:24:775 \
RRA:MAX:0.5:288:797";
rrdtool_create($peerrrd, $create_rrd);
}
rrdtool_update("$peerrrd", "N:$bgpPeerOutUpdates:$bgpPeerInUpdates:$bgpPeerOutTotalMessages:$bgpPeerInTotalMesages:$bgpPeerFsmEstablishedTime");
$peer['update']['bgpPeerState'] = $bgpPeerState;
$peer['update']['bgpPeerAdminStatus'] = $bgpPeerAdminStatus;
$peer['update']['bgpPeerFsmEstablishedTime'] = $bgpPeerFsmEstablishedTime;
$peer['update']['bgpPeerInUpdates'] = $bgpPeerInUpdates;
$peer['update']['bgpLocalAddr'] = $bgpLocalAddr;
$peer['update']['bgpPeerOutUpdates'] = $bgpPeerOutUpdates;
dbUpdate($peer['update'], 'bgpPeers', '`device_id` = ? AND `bgpPeerIdentifier` = ?', array($device['device_id'], $peer['bgpPeerIdentifier']));
if ($device['os_group'] == "ios" || $device['os'] == "junos")
{
## Poll each AFI/SAFI for this peer (using CISCO-BGP4-MIB or BGP4-V2-JUNIPER MIB)
$peer_afis = dbFetchRows("SELECT * FROM bgpPeers_cbgp WHERE `device_id` = ? AND bgpPeerIdentifier = ?", array($device['device_id'], $peer['bgpPeerIdentifier']));
foreach ($peer_afis as $peer_afi)
{
$afi = $peer_afi['afi'];
$safi = $peer_afi['safi'];
if ($debug) { echo("$afi $safi\n"); }
if ($device['os_group'] == "ios")
{
## FIXME - move to function
$cbgp_cmd = $config['snmpget'] . " -M ".$config['mibdir'] . " -m CISCO-BGP4-MIB -Ovq -" . $device['snmpver'] . " -c" . $device['community'] . " " . $device['hostname'].":".$device['port'];
$cbgp_cmd .= " cbgpPeerAcceptedPrefixes." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
$cbgp_cmd .= " cbgpPeerDeniedPrefixes." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
$cbgp_cmd .= " cbgpPeerPrefixAdminLimit." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
$cbgp_cmd .= " cbgpPeerPrefixThreshold." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
$cbgp_cmd .= " cbgpPeerPrefixClearThreshold." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
$cbgp_cmd .= " cbgpPeerAdvertisedPrefixes." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
$cbgp_cmd .= " cbgpPeerSuppressedPrefixes." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
$cbgp_cmd .= " cbgpPeerWithdrawnPrefixes." . $peer['bgpPeerIdentifier'] . ".$afi.$safi";
if ($debug) { echo("$cbgp_cmd\n"); }
$cbgp_data = preg_replace("/^OID.*$/", "", trim(`$cbgp_cmd`));
if ($debug) { echo("$cbgp_data\n"); }
list($cbgpPeerAcceptedPrefixes,$cbgpPeerDeniedPrefixes,$cbgpPeerPrefixAdminLimit,$cbgpPeerPrefixThreshold,$cbgpPeerPrefixClearThreshold,$cbgpPeerAdvertisedPrefixes,$cbgpPeerSuppressedPrefixes,$cbgpPeerWithdrawnPrefixes) = explode("\n", $cbgp_data);
}
if ($device['os'] == "junos")
{
# Missing: cbgpPeerAdminLimit cbgpPeerPrefixThreshold cbgpPeerPrefixClearThreshold cbgpPeerSuppressedPrefixes cbgpPeerWithdrawnPrefixes
$safis['unicast'] = 1;
$safis['multicast'] = 2;
if (!isset($peerIndexes))
{
$j_bgp = snmpwalk_cache_multi_oid($device, "jnxBgpM2PeerTable", $jbgp, "BGP4-V2-MIB-JUNIPER", $config['install_dir']."/mibs/junos");
foreach ($j_bgp as $index => $entry)
{
switch ($entry['jnxBgpM2PeerRemoteAddrType'])
{
case 'ipv4':
$ip = long2ip(hexdec($entry['jnxBgpM2PeerRemoteAddr']));
$j_peerIndexes[$ip] = $entry['jnxBgpM2PeerIndex'];
break;
case 'ipv6':
$ip6 = trim(str_replace(' ','',$entry['jnxBgpM2PeerRemoteAddr']),'"');
$ip6 = substr($ip6,0,4) . ':' . substr($ip6,4,4) . ':' . substr($ip6,8,4) . ':' . substr($ip6,12,4) . ':' . substr($ip6,16,4) . ':' . substr($ip6,20,4) . ':' . substr($ip6,24,4) . ':' . substr($ip6,28,4);
$ip6 = Net_IPv6::compress($ip6);
$j_peerIndexes[$ip6] = $entry['jnxBgpM2PeerIndex'];
break;
default:
echo("PANIC: Don't know RemoteAddrType " . $entry['jnxBgpM2PeerRemoteAddrType'] . "!\n");
break;
}
}
}
$j_prefixes = snmpwalk_cache_multi_oid($device, "jnxBgpM2PrefixCountersTable", $jbgp, "BGP4-V2-MIB-JUNIPER", $config['install_dir']."/mibs/junos");
$cbgpPeerAcceptedPrefixes = $j_prefixes[$j_peerIndexes[$peer['bgpPeerIdentifier']].".$afi." . $safis[$safi]]['jnxBgpM2PrefixInPrefixesAccepted'];
$cbgpPeerDeniedPrefixes = $j_prefixes[$j_peerIndexes[$peer['bgpPeerIdentifier']].".$afi." . $safis[$safi]]['jnxBgpM2PrefixInPrefixesRejected'];
$cbgpPeerAdvertisedPrefixes = $j_prefixes[$j_peerIndexes[$peer['bgpPeerIdentifier']].".$afi." . $safis[$safi]]['jnxBgpM2PrefixOutPrefixes'];
unset($j_prefixes);
unset($j_bgp);
unset($j_peerIndexes);
}
# FIXME THESE FIELDS DO NOT EXIST IN THE DATABASE!
$update = "UPDATE bgpPeers_cbgp SET";
$peer['c_update']['AcceptedPrefixes'] = $cbgpPeerAcceptedPrefixes;
$peer['c_update']['DeniedPrefixes'] = $cbgpPeerDeniedPrefixes;
$peer['c_update']['PrefixAdminLimit'] = $cbgpPeerAdminLimit;
$peer['c_update']['PrefixThreshold'] = $cbgpPeerPrefixThreshold;
$peer['c_update']['PrefixClearThreshold'] = $cbgpPeerPrefixClearThreshold;
$peer['c_update']['AdvertisedPrefixes'] = $cbgpPeerAdvertisedPrefixes;
$peer['c_update']['SuppressedPrefixes'] = $cbgpPeerSuppressedPrefixes;
$peer['c_update']['WithdrawnPrefixes'] = $cbgpPeerWithdrawnPrefixes;
dbUpdate($peer['c_update'], 'bgpPeers_cbgp', '`device_id` = ? AND bgpPeerIdentifier = ? AND afi = ? AND safi = ?', array($device['device_id'], $peer['bgpPeerIdentifier'], $afi, $safi));
$cbgp_rrd = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("cbgp-" . $peer['bgpPeerIdentifier'] . ".$afi.$safi.rrd");
if (!is_file($cbgp_rrd))
{
$rrd_create = "DS:AcceptedPrefixes:GAUGE:600:U:100000000000 \
DS:DeniedPrefixes:GAUGE:600:U:100000000000 \
DS:AdvertisedPrefixes:GAUGE:600:U:100000000000 \
DS:SuppressedPrefixes:GAUGE:600:U:100000000000 \
DS:WithdrawnPrefixes:GAUGE:600:U:100000000000 \
RRA:AVERAGE:0.5:1:600 \
RRA:AVERAGE:0.5:6:700 \
RRA:AVERAGE:0.5:24:775 \
RRA:AVERAGE:0.5:288:797 \
RRA:MAX:0.5:1:600 \
RRA:MAX:0.5:6:700 \
RRA:MAX:0.5:24:775 \
RRA:MAX:0.5:288:797";
rrdtool_create($cbgp_rrd, $rrd_create);
}
rrdtool_update("$cbgp_rrd", "N:$cbgpPeerAcceptedPrefixes:$cbgpPeerDeniedPrefixes:$cbgpPeerAdvertisedPrefixes:$cbgpPeerSuppressedPrefixes:$cbgpPeerWithdrawnPrefixes");
} # while
} # os=ios | junos
echo("\n");
} ## End While loop on peers
} ## End check for BGP support
?>
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