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dpavlin |
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#!/usr/bin/perl |
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use warnings; |
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use strict; |
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use lib $ENV{'MUNIN_LIBDIR'}; |
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use Munin::Plugin; |
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# -*- perl -*- |
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=head1 NAME |
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log - Plugin to monitor log files |
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=head1 CONFIGURATION |
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add munin user to adm group if needed to read C</var/log/*.log> |
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[log] |
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group adm |
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=head1 MAGIC MARKERS |
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#%# family=auto |
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#%# capabilities=autoconf |
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=cut |
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my $log = '/var/log/daemon.log'; |
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if ( $ARGV[0] ) { |
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if ( $ARGV[0] eq 'autoconf' ) { |
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print -r $log ? "yes\n" : "no\n"; |
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} elsif ( $ARGV[0] eq 'config' ) { |
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print <<EOM; |
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multigraph stunnel |
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graph_category log |
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graph_title stunnel clients |
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clients.label clients |
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multigraph stunnel_transfer |
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graph_category log |
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graph_title stunnel transfer |
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graph_vlabel bytes/\${graph_period} |
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ssl.label SSL |
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ssl.draw AREA |
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socket.label Socket |
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socket.draw LINE2 |
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multigraph n2n |
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graph_category log |
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graph_title n2n peers |
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pending.label Pending peers |
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operational.label Operational peers |
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multigraph lines |
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graph_category log |
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graph_title log lines |
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stunnel.label stunnel |
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n2n.label n2n |
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ignored.label ignored |
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EOM |
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} |
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exit 0; |
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} |
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my ( $pos ) = restore_state(); |
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$pos = -s $log unless defined $pos; |
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my ($fh,$reset) = tail_open($log,$pos); |
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my $ip; |
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my $stat; |
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while(<$fh>) { |
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if ( m/stunnel/ ) { |
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$stat->{lines}->{stunnel}++; |
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if ( m/accepted connection from (.+):\d+/ ) { |
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$ip->{$1}++; |
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} elsif ( m/Connection closed: (\d+) bytes sent to SSL, (\d+) bytes sent to socket/i ) { |
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$stat->{stunnel_transfer}->{ssl} += $1; |
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$stat->{stunnel_transfer}->{socket} += $2; |
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} |
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} elsif ( m/n2n/ ) { |
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$stat->{lines}->{n2n}++; |
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if ( m/Pending peers list size=(\d+)/ ) { |
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$stat->{n2n}->{pending} = $1; # latest |
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} elsif ( m/Operational peers list size=(\d+)/ ) { |
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$stat->{n2n}->{operational} = $1; # latest |
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} elsif ( m/pending=(\d+), operational=(\d+)/ ) { |
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$stat->{n2n} = { pending => 1, operational => 2 }; |
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} |
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} else { |
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$stat->{lines}->{ignored}++; |
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} |
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} |
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$stat->{stunnel}->{clients} = scalar keys %$ip if $ip; |
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foreach my $graph ( keys %$stat ) { |
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print "multigraph $graph\n"; |
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print "$_.value $stat->{$graph}->{$_}\n" foreach keys %{ $stat->{$graph} }; |
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} |
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$pos = tail_close($fh); |
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save_state($pos); |
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