mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
fba800ae52
Suspicious sections: plugins/mail/postfix_mail_stats recieved.label plugins/nginx/nginx_vhost_traffic
130 lines
3.2 KiB
Perl
Executable File
130 lines
3.2 KiB
Perl
Executable File
#!/usr/bin/perl -wT
|
|
#
|
|
# Script to minitor the cpu usage of Xen domains
|
|
#
|
|
# Author: Adam Crews <doo <at> shroom <dot> com>
|
|
#
|
|
# License: GPL
|
|
# Based on the original xen script from Matthias Pfafferodt, syntron at web.de
|
|
#
|
|
# Note: Your munin config must run this as root.
|
|
#
|
|
# Parameters
|
|
# config (required)
|
|
# autoconf (optional - used by munin-config)
|
|
#
|
|
# Changelog:
|
|
# Properly ignore the xentop output header line.
|
|
# Ward Vandewege (ward@gnu.org), 2011-04-20
|
|
#
|
|
#%# family=auto
|
|
#%# capabilities=autoconf
|
|
|
|
# Define where to find xm tools
|
|
my $XM = '/usr/sbin/xm';
|
|
my $XMTOP = '/usr/sbin/xentop';
|
|
|
|
##############
|
|
# You should not need to edit anything below here
|
|
#
|
|
|
|
use strict;
|
|
|
|
$ENV{PATH} = '/bin:/usr/bin:/usr/sbin';
|
|
|
|
my $arg; undef($arg);
|
|
if (defined($ARGV[0])) {
|
|
$arg = 'config' if ($ARGV[0] eq 'config');
|
|
$arg = 'autoconf' if ($ARGV[0] eq 'autoconf');
|
|
|
|
if ( "$arg" eq 'autoconf') {
|
|
if ( -e $XM && -e $XMTOP ) {
|
|
print "yes\n";
|
|
exit 0;
|
|
} else {
|
|
print "no ($XM and/or $XMTOP not found\n";
|
|
exit 1;
|
|
}
|
|
}
|
|
|
|
if ( "$arg" eq 'config') {
|
|
my %cnf; undef(%cnf);
|
|
%cnf = (
|
|
'graph_title' => 'Xen Domain CPU Usage',
|
|
'graph_args' => '--base 1000 -l 0 --upper-limit 100 --rigid',
|
|
'graph_vlabel' => 'Percent (%)',
|
|
'graph_category' => 'Virtualization',
|
|
'graph_info' => 'Display the % of CPU Usage for each domain',
|
|
);
|
|
|
|
my @domains = `$XM list`;
|
|
shift(@domains); # we dont need the header line
|
|
my $cnt = "0";
|
|
foreach my $domain ( @domains ) {
|
|
my ($dom,undef) = split(/\s/, $domain, 2);
|
|
# we need to change - and . to _ or things get weird with the graphs
|
|
# some decent quoting would probably fix this, but this works for now
|
|
$dom =~ s/[-.]/_/g;
|
|
|
|
$cnf{ "$dom" . '.label' } = "$dom";
|
|
$cnf{ "$dom" . '.draw' } = 'STACK';
|
|
$cnf{ "$dom" . '.min' } = '0';
|
|
$cnf{ "$dom" . '.max' } = '100';
|
|
$cnf{ "$dom" . '.info' } = '% CPU used for ' . "$dom";
|
|
|
|
if ( "$cnt" == "0") { $cnf{$dom.'.draw'} = 'AREA'; }
|
|
$cnt++;
|
|
}
|
|
|
|
foreach my $key (sort(keys(%cnf))) {
|
|
print "$key $cnf{$key}\n";
|
|
}
|
|
exit 0;
|
|
}
|
|
}
|
|
|
|
# Nothing was passed as an argument, so let's just return the proper values
|
|
|
|
my @chunks; undef(@chunks);
|
|
|
|
{
|
|
# run the xentop command a few times because the first reading is not always accurate
|
|
local $/ = undef;
|
|
@chunks = split(/^xentop - .*$/m, `$XMTOP -b -i2 -d2`);
|
|
}
|
|
|
|
# Take only the last run of xentop
|
|
my @stats = split (/\n/,pop(@chunks));
|
|
|
|
# remove the first 4 items that are junk that we don't need.
|
|
shift(@stats);
|
|
shift(@stats);
|
|
shift(@stats);
|
|
shift(@stats);
|
|
|
|
my %vals; undef(%vals);
|
|
|
|
foreach my $domain (@stats) {
|
|
# trim the leading whitespace
|
|
$domain =~ s/^\s+//;
|
|
my @v_tmp = split(/\s+/, $domain);
|
|
next if ($v_tmp[0] eq 'NAME');
|
|
|
|
# we need to change - and . to _ or things get weird with the graphs
|
|
# some decent quoting would probably fix this, but this works for now
|
|
$v_tmp[0] =~ s/[-.]/_/g;
|
|
|
|
$vals{$v_tmp[0]}{'cpu_percent'} = $v_tmp[3];
|
|
$vals{$v_tmp[0]}{'vcpu'} = $v_tmp[8];
|
|
if ( $vals{$v_tmp[0]}{'vcpu'} =~ m/n\/a/ ) {
|
|
my $cpu = `grep -c "processor" < /proc/cpuinfo`;
|
|
if ( $cpu =~ m/^(\d+)$/ ) {
|
|
$vals{$v_tmp[0]}{'vcpu'} = $1;
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach my $key (sort(keys(%vals))) {
|
|
print "$key.value " . ($vals{$key}{'cpu_percent'}/$vals{'Domain_0'}{'vcpu'}), "\n";
|
|
}
|