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134 lines
3.5 KiB
Perl
134 lines
3.5 KiB
Perl
#!/usr/bin/perl
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=head1 NAME
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syslog_ng_stats - Plugin for syslog-ng.
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It uses the C<syslog-ng-ctl> utility to grab values.
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=head1 DESCRIPTION
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See C<man syslog-ng-ctl> for the C<stats> option.
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All options used are regexp.
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=over
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=item source_name
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=item source_id
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=item source_instance
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=item state
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=item type
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=back
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Example of input and destination via tcp for my application:
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[syslog_ng_stats]
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user root
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env.source_name = source dst\.tcp
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env.source_id = myname
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=head1 AUTHORS
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Dmitry E. Oboukhov <unera@debian.org>,
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Roman V. Nikolaev <rshadow@rambler.ru>
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=head1 COPYRIGHT
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Copyright (C) 2013 Dmitry E. Oboukhov <unera@debian.org>
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Copyright (C) 2013 Roman V. Nikolaev <rshadow@rambler.ru>
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This library is free software; you can redistribute it and/or modify
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it under the same terms as Perl itself, either Perl version 5.8.8 or,
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at your option, any later version of Perl 5 you may have available.
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=cut
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use strict;
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use warnings;
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use utf8;
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use open qw(:utf8 :std);
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use List::MoreUtils qw(any);
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# Filters
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my (@source_name, @source_id, @source_instance, @state, @type);
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@source_name = split m{\s+}, $ENV{source_name} if $ENV{source_name};
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@source_id = split m{\s+}, $ENV{source_id} if $ENV{source_id};
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@source_instance = split m{\s+}, $ENV{source_instance}
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if $ENV{source_instance};
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@state = split m{\s+}, $ENV{state} if $ENV{state};
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@type = split m{\s+}, $ENV{type} if $ENV{type};
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# Get stats
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my $data = `syslog-ng-ctl stats`;
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die 'Can`t get stats from syslog-ng-ctl' unless $data;
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# Split to graphs
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my @str = split m{\n+}, $data;
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# Remove title
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shift @str;
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my @gpaths;
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for my $graph (@str) {
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# Split to data
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$graph = [ split m{;}, $graph ];
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$graph = {
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source_name => $graph->[0],
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source_id => $graph->[1],
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source_instance => $graph->[2],
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state => $graph->[3],
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type => $graph->[4],
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number => $graph->[5],
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};
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# Apply filters
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next if @source_name and
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! any {$graph->{source_name} =~ m{$_}i } @source_name;
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next if @source_id and
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! any {$graph->{source_id} =~ m{$_}i } @source_id;
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next if @source_instance and
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! any {$graph->{source_instance} =~ m{$_}i } @source_instance;
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next if @state and
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! any {$graph->{state} =~ m{$_}i } @state;
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next if @type and
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! any {$graph->{type} =~ m{$_}i } @type;
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# Save graph
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push @gpaths, $graph;
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}
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# Show config
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if( exists $ARGV[0] and $ARGV[0] eq "config" ) {
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print "graph_title Syslog-ng statistics\n";
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print "graph_vlabel count\n";
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print "graph_args --base 1000 --lower-limit 0 --rigid\n";
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print "graph_info This graph show syslog-ng-ctl stats\n";
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print "graph_category syslog\n";
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for my $graph (@gpaths) {
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# ID
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my $id = sprintf '%s_%s',
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$graph->{source_id} || $graph->{source_instance},
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$graph->{type};
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s{#(\d+)}{[$1]}, s{[^\w\]\[]+}{_}g for $id;
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printf "%s.label %s: %s, %s\n", $id,
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$graph->{source_name},$graph->{source_id}, $graph->{type};
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printf "%s.min 0\n", $id;
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}
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}
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# Print values
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for my $graph (@gpaths) {
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# ID
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my $id = sprintf '%s_%s',
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$graph->{source_id} || $graph->{source_instance},
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$graph->{type};
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s{#(\d+)}{[$1]}, s{[^\w\]\[]+}{_}g for $id;
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printf "%s.value %s\n", $id, $graph->{number};
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}
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exit;
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