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|
#!/usr/bin/perl
#
# usage:
# mbmon-rrd.pl [host:port] <rrdfile>
#
# description:
# 5ʬcron鵯ưȡmbmonνϤrrdtoolRRDե
# Ф
#
# ꤷ<rrdfile>¸ߤʤϺ롣ݤRRDե
# Υǡ`mbmon -rc1`ǽϤ줿̾(fan0)
# ˥ȤȤʤ롣
#
use strict;
use RRDs;
use IO::Socket::INET;
use IO::File;
# ----- default settings -----
my $dbg = 1;
my $usage = "usage: mbmon-rrd.pl [host:port] <rrdfile>\n";
my $peer = '';
# ----- argument check -----
if ($#ARGV < 0) {
print $usage;
exit(1);
}
elsif ($#ARGV == 1) {
$peer = shift;
}
my $rrdfile = shift;
# ----- read status from mbmon -----
my $status = read_status($peer);
# ----- check and create rrdfile -----
-e $rrdfile or create_rrd($rrdfile, $status);
# ----- parse status -----
update_rrd($status);
exit;
sub create_rrd()
{
my($rrdfile, $status) = @_;
my $e;
# print "create_rrd(): \$rrdfile=\"$rrdfile\"\n" if $dbg;
my @args = ($rrdfile);
foreach (sort keys %$status) {
push(@args, "DS:$_:GAUGE:600:U:U");
}
push(@args, qw(
RRA:AVERAGE:0.5:1:600
RRA:AVERAGE:0.5:6:700
RRA:AVERAGE:0.5:24:775
RRA:AVERAGE:0.5:288:797
RRA:MAX:0.5:1:600
RRA:MAX:0.5:6:700
RRA:MAX:0.5:24:775
RRA:MAX:0.5:288:797
RRA:MIN:0.5:1:600
RRA:MIN:0.5:6:700
RRA:MIN:0.5:24:775
RRA:MIN:0.5:288:797
RRA:LAST:0.5:1:600
RRA:LAST:0.5:6:700
RRA:LAST:0.5:24:775
RRA:LAST:0.5:288:797
));
print "create $rrdfile " . join(', ', @args) if $dbg;
RRDs::create(@args);
$e = RRDs::error() and die "ERROR: Cannot create database: $e\n"
}
sub read_status()
{
my $peer = shift;
my (%status, $key, $val, $fd);
if ($peer) {
$fd = IO::Socket::INET->new($peer) or
die "ERROR: Cannot connect to $peer: $!\n";
}
else {
$fd = IO::File->new("mbmon -rc1|") or
die "ERROR: Cannot run mbmon: $!\n";
}
while($_ = $fd->getline) {
next unless /^(\w[^:\s]+)\s*:\s*([+-]?[\d\.]+)/;
$key = lc($1);
$val = $2;
$status{$key} = $val;
print "\$status{$key} = \"$val\"\n" if $dbg;
}
$fd->close;
return \%status;
}
sub update_rrd()
{
my $status = shift;
my (@ds, @val);
my $e;
foreach (sort keys %$status) {
push(@ds, $_ );
push(@val, $status->{$_} );
}
my $template = join(':', @ds);
my $value = join(':', 'N', @val);
print "update template = '$template'\n" if $dbg;
print "update value = '$value'\n" if $dbg;
RRDs::update($rrdfile, "--template", $template, $value);
$e = RRDs::error() and die "ERROR Cannot update $rrdfile: $e\n";
}
|
