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|
#!@@PERL@@ -w
#
# Plugin to monitor number of pages pr printer printed by CUPS
#
# Usage: copy or link into /etc/munin/plugins
#
# Parameters:
#
# config (required)
# autoconf (optional - used by munin-config)
#
# Config variables:
#
# logdir - Which logfile to use
# logfile - What file to read in logdir
# maxlabel - Maximum printers to plot
#
# $Log$
# Revision 1.5 2004/12/10 18:51:43 jimmyo
# linux/apt* has been forced to LANG=C, to get predictable output.
#
# Revision 1.4 2004/12/10 10:47:47 jimmyo
# Change name from ${scale} to ${graph_period}, to be more consistent.
#
# Revision 1.3 2004/12/09 22:12:54 jimmyo
# Added "graph_period" option, to make "graph_sums" usable.
#
# Revision 1.2 2004/11/21 00:16:56 jimmyo
# Changed a lot of plugins so they use DERIVE instead of COUNTER.
#
# Revision 1.1 2004/06/08 14:12:19 jimmyo
# Added contributed plugin generic/cupsys_pages, contributed by Rune N. Skillingstad.
#
#
#
# Magic markers (optinal - used by munin-config and some installation
# scripts):
#
#%# family=auto
#%# capabilities=autoconf
use strict;
my $statefile = "@@PLUGSTATE@@/munin-cupsys-pages.state";
my $pos = undef;
my %printers = ();
my $LOGDIR = $ENV{logdir} || "/var/log/cups/";
my $LOGFILE = $ENV{logfile} || "page_log";
my $MAXLABEL = $ENV{maxlabel} || 20;
if($ARGV[0] and $ARGV[0] eq "autoconf" ) {
my $logfile;
if(-d $LOGDIR) {
$logfile = "$LOGDIR/$LOGFILE";
if(-f $logfile) {
if(-r $logfile) {
print "yes\n";
exit 0;
} else {
print "no (logfile not readable)\n";
}
} else {
print "no (logfile not found)\n";
}
} else {
print "no (could not find logdir)\n";
}
exit 1;
}
my $logfile = "$LOGDIR/$LOGFILE";
my $rotlogfile = $logfile . ".0";
if (-f "$logfile.0") {
$rotlogfile = $logfile . ".0";
} elsif (-f "$logfile.1") {
$rotlogfile = $logfile . ".1";
} elsif (-f "$logfile.01") {
$rotlogfile = $logfile . ".01";
}
if (! -f $logfile and ! -f $rotlogfile) {
print "pages.value $logfile $rotlogfile U\n";
exit 0;
}
if (-f "$statefile") {
open(IN, "$statefile") or exit 4;
if(<IN> =~ /^(\d+)$/) {
$pos = $1;
}
LINE: while(<IN>) {
if(/^([^:]+):(\d+)$/) {
$printers{$1} = $2;
}
if(keys(%printers) >= $MAXLABEL) {
last LINE;
}
}
close(IN);
}
my $startsize = (stat $logfile)[7];
if (!defined $pos) {
# Initial run.
$pos = $startsize;
$pos = 0;
}
if ($startsize < $pos) {
# Log rotated
parselogfile ($rotlogfile, $pos, (stat $rotlogfile)[7]);
$pos = 0;
}
parselogfile($logfile, $pos, $startsize);
$pos = $startsize;
# Write back to state file
open (STATFILE, ">$statefile") or exit 4;
print STATFILE "$pos\n";
foreach my $printer (sort(keys %printers)) {
print STATFILE "$printer:".$printers{$printer}."\n";
}
close(STATFILE);
if($ARGV[0] and $ARGV[0] eq "config") {
print "host_name $ENV{FQDN}\n";
print "graph_title CUPS pages printed\n";
print "graph_args --base 1000 -l 0\n";
print "graph_vlabel pages/\${graph_period}\n";
print "graph_order ".join(" ",sort(keys(%printers)))."\n";
foreach my $printer (sort(keys %printers)) {
print "$printer.label $printer\n";
print "$printer.type DERIVE\n";
print "$printer.min 0\n";
}
exit 0;
} else {
foreach my $printer (sort(keys %printers)) {
print "$printer.value ".$printers{$printer}."\n";
}
}
sub parselogfile {
my ($fname, $start, $stop) = @_;
open (LOGFILE, $fname) or exit 3;
seek (LOGFILE, $start, 0) or exit 2;
while (tell(LOGFILE) < $stop) {
my $line = <LOGFILE>;
chomp ($line);
if ($line =~ /^(\S+)\s+\S+\s+\d+\s+\[[^\]]+\]\s+(\d+)\s+(\d+)\s+(\S+)\s+(\S+)$/) {
if(!defined($printers{$1}) && keys(%printers) < $MAXLABEL) {
$printers{$1} += int($2)*int($3);
} elsif(defined($printers{$1})) {
$printers{$1} += int($2)*int($3);
}
}
}
close(LOGFILE);
}
|
