mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
124 lines
3.5 KiB
Perl
124 lines
3.5 KiB
Perl
#!/usr/bin/perl
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=head1
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# Log vhost port method response_bytes response_time status
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<IfModule mod_log_config.c>
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CustomLog "|/usr/share/munin/apache_pipelogger" "%v %p %m %B %D %s"
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</IfModule>
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=cut
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# write every n seconds to shared memory
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local $nsec=7;
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local $debug=undef;
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use Storable qw(freeze thaw);
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use List::Util qw(min max);
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use IPC::ShareLite ':lock';
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require Data::Dumper if $debug;
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use Munin::Plugin;
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local $share = IPC::ShareLite->new(
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-key => 'mapl',
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-create => 1,
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-destroy => 1,
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-exclusive => 0,
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-mode => '0666'
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) or die $!;
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local $SIG{'ALRM'}=\&periodic_write;
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alarm $nsec;
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# drop stored data on reload
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local %temp=();
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while (<STDIN>) {
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my ($vhost,$port,$method,$bytes,$time,$status)=split(/\s/,$_);
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# sanity check
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next unless m/^([\d\w\.\-_]+\s){5}([\d\w\.\-_]+$)/; # escaped "." and "-"
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$time=sprintf("%d",$time/1000); # microsec to millisec
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# sitename to munin fieldname
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my $vpm=clean_fieldname($vhost);
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$temp{$vpm}{'label'}=$vhost;
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$temp{$vpm}{'label'}=~s/www\.//;
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# count all requests
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$temp{$vpm}{'requests'}++;
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if ($bytes) {
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$bytes=~s/-/0/;
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# bytes transmitted
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$temp{$vpm}{'bytes'}+=$bytes;
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# max bytes
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$temp{$vpm}{'max_bytes'}=max($temp{$vpm}{'max_bytes'},$bytes);
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# average bytes
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$temp{$vpm}{'avg_bytes'}=$temp{$vpm}{'bytes'}/$temp{$vpm}{'requests'} || 0 if ($bytes);
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}
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# count by status / error code
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$temp{$vpm}{"status"}{$status}++ if $status;
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if ($time) {
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# microsec to millisec
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$time=sprintf("%d",$time/1000);
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# min/max execution time
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$temp{$vpm}{'max_time'}=max($temp{$vpm}{'max_time'},$time);
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# cumulative and average execution time
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$temp{$vpm}{'cml_time'}+=$time;
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# average time
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$temp{$vpm}{'avg_time'}=$temp{$vpm}{'cml_time'}/$temp{$vpm}{'requests'} || 0 if ($time);
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}
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};
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sub periodic_write {
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# begin transaction
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$share->lock(LOCK_EX);
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# get data (may be updated by other loggers too)
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my %old=eval{%{thaw($share->fetch)}}; # using eval to suppress thaw error on empty string at the first run
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foreach my $vpm (keys %temp){
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# merge values
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$old{$vpm}{'bytes'}+=$temp{$vpm}{'bytes'} if $temp{$vpm}{'bytes'};
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$old{$vpm}{'requests'}+=$temp{$vpm}{'requests'} if $temp{$vpm}{'requests'};
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$old{$vpm}{'time'}+=$temp{$vpm}{'time'} if $temp{$vpm}{'time'};
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$old{$vpm}{'label'}=$temp{$vpm}{'label'};
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$old{$vpm}{'avg_time'}=sprintf("%d",($old{$vpm}{'avg_time'}+$temp{$vpm}{'avg_time'})/2);
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$old{$vpm}{'max_time'}=max($old{$vpm}{'max_time'},$temp{$vpm}{'max_time'});
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$old{$vpm}{'max_bytes'}=max($temp{$vpm}{'max_bytes'},$temp{$vpm}{'max_bytes'});
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$old{$vpm}{'avg_bytes'}=sprintf("%d",($old{$vpm}{'avg_bytes'}+$temp{$vpm}{'avg_bytes'})/2);
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# reset local counters
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foreach my $check qw(requests bytes time cml_time max_bytes avg_bytes max_time avg_time) {
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$temp{$vpm}{$check}=0;
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}
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# reset status counts
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foreach my $val (keys %{$temp{$vpm}{'status'}}) {
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$old{$vpm}{'status'}{$val}+=$temp{$vpm}{'status'}{$val};
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$temp{$vpm}{'status'}{$val}=0;
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}
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};
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# save to shm
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# print Data::Dumper::Dumper(%old) if $debug;
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$share->store( freeze \%old );
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# end transaction
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$share->unlock;
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# parse/write every n seconds
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alarm $nsec;
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}
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