mirror of
https://github.com/munin-monitoring/contrib.git
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109 lines
2.3 KiB
Perl
Executable File
109 lines
2.3 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#
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# Plugin to monitor BGP table summary statistics on a cisco router.
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#
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# Original Author: Peter Holzleitner
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#
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# Revision 1.0 2009/05/04 16:00:00 holzlp
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# Initial version
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#
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# Configuration variables:
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#
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# iosuser - username (default "")
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# iospass - password (default "")
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#
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# Parameters:
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#
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# config (required)
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#
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# Magic markers (optional - only used by munin-config and some
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# installation scripts):
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#%# family=auto
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use Net::Telnet::Cisco;
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if ($0 =~ /^(?:|.*\/)cisco_bgp_([^_]+)$/) {
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$host = $1;
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}
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if ($ARGV[0] and $ARGV[0] eq "autoconf")
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{
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if (-r "/proc/meminfo")
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{
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print "yes\n";
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exit 0;
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}
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else
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{
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print "/proc/meminfo not found\n";
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exit 1;
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}
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}
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my @BGP_nbr;
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my @BGP_pfx;
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my $tot_pfx;
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my $iosuser = $ENV{iosuser} || "";
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my $iospass = $ENV{iospass} || "";
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&fetch_bgpstats($host, $iosuser, $iospass);
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if ($ARGV[0] and $ARGV[0] eq "config") {
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print "host_name $host\n";
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print "graph_args --base 1024 -l 0 --vertical-label Prefixes\n";
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print "graph_title BGP Neighbour Statistics\n";
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print "graph_category network\n";
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print "graph_info This graph shows the number of BGP prefixes received by neighbour.\n";
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my($n, $i); $n = scalar @BGP_nbr; $i = 0;
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while($n--) {
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my $neigh = $BGP_nbr[$i++];
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print "n$i.label $neigh\n";
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}
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# print "total.label Total\n";
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# print "total.info Total number of prefixes in the BGP table\n";
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} else {
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my($n, $i); $n = scalar @BGP_nbr; $i = 0;
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while($n--) {
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my $pfx = $BGP_pfx[$i++];
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print "n$i.value $pfx\n";
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}
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# print "total.value $tot_pfx\n";
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}
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sub fetch_bgpstats
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{
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my $hostname = shift;
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my $username = shift;
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my $password = shift;
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my $session = Net::Telnet::Cisco->new(Host => $host);
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$session->login($username, $password);
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my @output = $session->cmd('show ip bgp summary');
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# Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
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# 12.23.34.45 4 9999 410819 9522 2401634 0 0 6d14h 281237
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foreach(@output) {
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$tot_pfx = $1 if /^BGP activity (\d+)\/(\d+) prefixes/;
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next unless /^(\d+\.\d+\.\d+\.\d+)\s+\d+\s+(\d+)\s+\d+\s+\d+\s+\d+\s+\d+\s+\d+\s+[0-9a-z]+\s+(\d+)/;
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my ($neigh, $as, $pfx) = ($1, $2, $3);
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push @BGP_nbr, "$neigh (AS $as)";
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push @BGP_pfx, $pfx;
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}
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}
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# vim:syntax=perl:ts=8
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