Все работало, и вдруг сегодня перестало.
Выдает ошибку
Код: Выделить всё
Result too large at /var/www/data/munin/graph.cgi line 145.Код: Выделить всё
semop($semid,$opstring) || die "$!";$semid=65535
$opstring=ничего не вывел, возможно в этом ошибка?
предыдущая строка
Код: Выделить всё
my $opstring = pack("s!s!s!",0, $max_cgi_graph_jobs,0);все на этом я сдулся, в перле ничерта не понимаю.
весь скрипт graph.cgi на всякий случай
Код: Выделить всё
#!/usr/local/bin/perl -Tw
# -*- perl -*-
#
# Copyright (C) 2004 Jimmy Olsen
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2 dated June,
# 1991.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# $Id: munin-cgi-graph.in 3252 2009-12-23 08:00:05Z janl $
#
# Please see http://munin.projects.linpro.no/wiki/CgiHowto for how to
# use this, and how to convert it to fastcgi which will improve speed.
#
use RRDs;
use Munin::Master::Utils;
use Munin::Common::Defaults;
use strict;
use IO::Handle;
use Date::Manip;
use POSIX qw(strftime);
use IPC::SysV qw(IPC_CREAT);
my $GRAPHER = "$Munin::Common::Defaults::MUNIN_LIBDIR/munin-graph";
my $conffile = "$Munin::Common::Defaults::MUNIN_CONFDIR/munin.conf";
my %TIMES = ( "day" => ["--noweek", "--nomonth", "--noyear", "--nosumweek", "--nosumyear"],
"week" => ["--noday", "--nomonth", "--noyear", "--nosumweek", "--nosumyear"],
"month" => ["--noday", "--noweek", "--noyear", "--nosumweek", "--nosumyear"],
"year" => ["--noday", "--noweek", "--nomonth", "--nosumweek", "--nosumyear"],
"week-sum" => ["--noday", "--nomonth", "--noyear", "--noweek", "--nosumyear"],
"year-sum" => ["--noday", "--noweek", "--nomonth", "--nosumweek", "--noyear"]
);
my %period = ( "day" => 300,
"week" => 1800,
"month" => 7200,
"year" => 86400,
"week-sum" => 1800,
"year-sum" => 86400
);
my $log = new IO::Handle;
my $scale = "day";
my $host = "";
my $serv = "";
my $dom = "";
my $lock = "";
my $IPC_KEY = 89340;
my $config = &munin_readconfig ($conffile);
my $path = $ENV{PATH_INFO} || "";
$path =~ s/^\///;
($dom, $host, $serv) = split /\//, $path;
($serv, $scale) = split /-/, $serv, 2;
$scale =~ s/\.png$//;
&verify_parameters ($dom, $host, $serv, $scale);
my $filename = get_picture_filename ($config, $dom, $host, $serv, $scale);
my $time = time;
# Get semaphore handle - Before graphing as recommended by snide.
my $semid = undef;
sem_setup();
my $no_cache = defined($ENV{HTTP_CACHE_CONTROL}) && $ENV{HTTP_CACHE_CONTROL} =~ /no-cache/i;
if ($no_cache or (! &graph_usable($filename,$time) )) {
exit 0 unless draw_graph_or_complain($host, $serv, $TIMES{$scale});
goto draw;
}
# At this time the file exists. But may be old. Or not.
my @stats = stat ($filename);
my $last_modified = strftime ("%a, %d %b %Y %H:%M:%S %Z", localtime ($stats[9]));
# "Expires" has to use last modified time as base:
my $expires = strftime ("%a, %d %b %Y %H:%M:%S GMT",
gmtime($stats[9]+($period{$scale}-($stats[9]%$period{$scale}))));
# Check for If-Modified-Since and send 304 if not changed:
if (defined $ENV{HTTP_IF_MODIFIED_SINCE} and
!&modified ($ENV{HTTP_IF_MODIFIED_SINCE}, $stats[9]-1)) {
print "Status: 304\n";
print "Content-Type: image/png\n";
print "Expires: ", $expires, "\n";
print "Last-Modified: $last_modified\n";
print "\n";
exit 0;
}
draw:
@stats = stat ($filename) unless @stats;
$last_modified = strftime ("%a, %d %b %Y %H:%M:%S %Z", localtime ($stats[9]))
unless defined($last_modified);
$expires = strftime ("%a, %d %b %Y %H:%M:%S GMT",
gmtime($stats[9]+($period{$scale}-($stats[9]%$period{$scale}))))
unless defined($expires);
print "Content-Type: image/png\n";
print "Expires: ", strftime ("%a, %d %b %Y %H:%M:%S GMT", gmtime(time+($period{$scale}-($time%$period{$scale})))), "\n";
print "Last-Modified: $last_modified\n";
print "\n";
&graph ($filename);
# # # # # # # # # # END OF MAIN
sub sem_setup {
# Try to police the number of concurrent rrdgraph instances.
# Fox kindly submitted a patch to convert to SysV IPC semaphores.
# Lovely! (ticket #499).
if(!defined($semid)) {
semget($IPC_KEY, 0, 0 );
# Or create it if needed
$semid = semget($IPC_KEY, 1 , oct(666) | IPC_CREAT );
die "Creating semaphore: $!" unless defined($semid);
my $max_cgi_graph_jobs = &munin_get ($config, "max_cgi_graph_jobs" , 6, $dom);
# And initialize to max_cgi_graph_jobs
my $opstring = pack("s!s!s!",0, $max_cgi_graph_jobs,0);
semop($semid,$opstring) || die "$!";
}
}
sub sem_get {
# Call this before doing heavy work.
# Decrement, or lock/hang/yield if already 0
my $opstring = pack("s!s!s!",0, -1, 0);
semop($semid,$opstring);
}
sub sem_release {
# Call this after doing heavy work.
# Increment (and release waiting processes).
my $opstring = pack("s!s!s!",0, 1, 0);
semop($semid,$opstring);
}
sub graph {
# This just serves the file, no file is made.
my $filename = shift;
open (my $GRAPH, '<', $filename)
or die "Warning: Could not open picture file \"$filename\" for reading: $!\n";
print while (<$GRAPH>);
close ($GRAPH);
}
sub get_picture_filename {
my $config = shift;
my $domain = shift;
my $name = shift;
my $service = shift;
my $scale = shift;
return "$config->{'htmldir'}/$domain/$name/$service-$scale.png";
}
sub logger_open {
my $dirname = shift;
if (!$log->opened)
{
unless (open ($log, '>>', "$dirname/munin-cgi-graph.log"))
{
print STDERR "Warning: Could not open log file \"$dirname/munin-cgi-graph.log\" for writing: $!";
}
}
}
sub logger {
my ($comment) = @_;
my $now = strftime ("%b %d %H:%M:%S", localtime);
if ($log->opened)
{
print $log "$now - $comment\n";
}
else
{
if (defined $config->{logdir})
{
if (open ($log, '>>', "$config->{logdir}/munin-cgi-graph.log"))
{
print $log "$now - $comment\n";
}
else
{
print STDERR "Warning: Could not open log file \"$config->{logdir}/munin-cgi-graph.log\" for wr
iting: $!";
print STDERR "$now - $comment\n";
}
}
else
{
print STDERR "$now - $comment\n";
}
}
}
sub verify_parameters
{
my $dom = shift;
my $host = shift;
my $serv = shift;
my $scale = shift;
if (!$dom)
{
print STDERR "Warning: Request for graph without specifying domain. Bailing out.\n";
exit 1;
}
if (!$host)
{
print STDERR "Warning: Request for graph without specifying host. Bailing out.\n";
exit 1;
}
if (!$serv)
{
print STDERR "Warning: Request for graph without specifying service. Bailing out.\n";
exit 1;
}
if (!$scale)
{
print STDERR "Warning: Request for graph without specifying scale. Bailing out.\n";
exit 1;
}
else
{
if (!defined $TIMES{$scale})
{
print STDERR "Warning: Weird scale setting \"$scale\". Bailing out.\n";
exit 1;
}
}
}
sub graph_usable {
# Check how old the graph is and return 1 if it's new enough and 0 otherwise.
my ($filename, $time) = @_;
if (-f $filename) {
my @stats = stat (_);
# $stats[9] holds the "last update" time and this needs to be in the last update period:
if ($stats[9] > ($time - $time%$period{$scale})) {
#print STDERR ("Graph unexpired for $scale. ($stats[9] , $time, ". ($time%$period{$scale}). ", ". ($time - $time%$period{$scale}). ").\n");
return 1;
} else {
#print STDERR ("Graph expired for $scale. ($stats[9] , $time, ". ($time%$period{$scale}). ", ". ($time - $time%$period{$scale}). ").\n");
return 0;
}
}
return 0;
}
sub draw_graph {
my $host = shift;
my $serv = shift;
my $scale = shift;
$serv =~ s{[^\w_/"'\[\]\(\)\+=-]}{_}g; $serv =~ /^(.+)$/; $serv = $1; #"
# . needs to be legal in host names
$host =~ s{[^\w_/"'\[\]\(\)\.+=-]}{_}g; $host =~ /^(.+)$/; $host = $1; #"
my @params = ($GRAPHER);
push @params, @$scale;
push @params, "--skip-locking", "--skip-stats", "--nolazy", "--list-images";
push @params, "--host", $host, "--service", $serv;
push @params, "STDERR>&STDOUT";
my $file = "/dev/null";
my $IN;
sem_get();
# Note: This open is an implicit fork
if (! open ($IN, "-|")) {
%ENV=();
exec @params;
}
$file = join (' ', <$IN>);
chomp($file);
close ($IN);
sem_release();
return $file;
}
sub draw_graph_or_complain {
my $ret = draw_graph(@_);
return $ret;
}
sub modified {
# See if file has been modified since "the last time".
# Format of since_string If-Modified-Since: Wed, 23 Jun 2004 16:11:06 GMT
my $since_string = shift;
my $created = shift;
my $ifmodsec = &UnixDate (&ParseDateString ($since_string), "%s");
return 1 if ($ifmodsec < $created);
return 0;
}
# vim: syntax=perl ts=8
