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#!/usr/bin/perl -w |
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|
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# |
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# i-scream central monitoring system |
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# http://www.i-scream.org.uk |
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# Copyright (C) 2000-2002 i-scream |
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# |
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# This program is free software; you can redistribute it and/or |
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# modify it under the terms of the GNU General Public License |
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# as published by the Free Software Foundation; either version 2 |
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# of the License, or (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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# |
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|
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#----------------------------------------------------------------- |
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# i-scream host plugin - uptime & load calculation |
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# $Author: tdb $ |
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# $Id: i-scream_uptime.pl,v 1.4 2002/05/18 18:15:57 tdb Exp $ |
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# |
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# A short perl script to calculate the uptime in seconds, |
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# and to get the current system loads. |
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#----------------------------------------------------------------- |
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|
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|
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$| = 1; |
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|
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# You'd be silly not to use this ;) |
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use strict; |
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|
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# Get the OS type from the args, or try towork it out |
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my($ostype) = $ARGV[0]; |
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$ostype = `uname -s` if not defined $ostype; |
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chomp($ostype); |
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|
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# Decide which paths we should use. |
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my($uptimebin); my($sysctlbin); |
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if ($ostype eq "SunOS" || $ostype eq "Linux") { |
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# covers: Solaris 7/8 |
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# covers: Debian r2.2 |
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$uptimebin = "/usr/bin/uptime"; |
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} |
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elsif ($ostype eq "FreeBSD") { |
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# covers: FreeBSD 4.X |
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$sysctlbin = "/sbin/sysctl"; |
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} |
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else { |
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print "i-scream_uptime.pl Error: Unable to identify system type - \"$ostype\".\n"; |
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print "\"uname -s\" does not report one of the following known types;\n"; |
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print " SunOS, Linux, FreeBSD\n"; |
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exit(1); |
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} |
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|
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# Run the following components: - |
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&include_uptime(); |
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|
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# End the program normally. |
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exit(0); |
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|
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|
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|
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|
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# sub to print pairs of data, separated by a single space character. |
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# If the second argument is undefined, then the pair is still printed, |
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# however, the value shall be displayed as the the 'default' value |
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# if the passed value was undefined. |
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sub print_pair($$$) { |
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my($default, $name, $value) = @_; |
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|
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if (!defined $value) { |
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$value = $default; |
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} |
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|
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# Remove the trailing linefeed if we've not already done so. |
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chomp($value); |
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|
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# print the pair of data with a space inbetween. |
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print "$name $value\n"; |
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} |
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|
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# get system uptime in seconds, and the current load |
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sub include_uptime() { |
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|
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# if it's FreeBSD, get the uptime and load sanely :) |
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if ($ostype eq "FreeBSD") { |
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my($boottime) = `$sysctlbin -n kern.boottime`; |
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if($boottime =~ /^{ sec = (\d+),/) { |
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&print_pair("unknown", "packet.os.uptime", time()-$1); |
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} |
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|
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my($loadavg) = `$sysctlbin -n vm.loadavg`; |
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if($loadavg =~ /\s+([^\s]+?)\s+([^\s]+?)\s+([^\s]+?)\s+/) { |
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&print_pair(0, "packet.load.load1", $1); |
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&print_pair(0, "packet.load.load5", $2); |
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&print_pair(0, "packet.load.load15", $3); |
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} |
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} |
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|
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# otherwise, lets parse :) |
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else { |
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# grab the uptime |
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my($uptime) = `$uptimebin`; |
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|
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# grab the load |
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&print_pair(0, "packet.load.load1", $uptime =~ /load average.?:\s*([^\s]+?),/); |
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&print_pair(0, "packet.load.load5", $uptime =~ /load average.?:\s*.+?,\s*([^\s]+?),/); |
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&print_pair(0, "packet.load.load15", $uptime =~ /load average.?:\s*.+?,\s*.+?,\s*([^\s]+)/); |
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|
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# work out the days, hours, and minutes |
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|
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if ($uptime =~ /day.*,\s+([0-9]+):([0-9]+)/) { |
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# normal |
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$uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+):([0-9]+)/; |
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$uptime = "$1:$2:$3"; |
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} |
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else { |
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if ($uptime =~ /day/) { |
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if ($uptime =~ /hr/) { |
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# 0 minutes |
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$uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+)\s+[^\s]+,/; |
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$uptime = "$1:$2:0"; |
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} |
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elsif ($uptime =~ /min/) { |
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# 0 hours |
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$uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+)\s+[^\s]+,/; |
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$uptime = "$1:0:$2"; |
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} |
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else { |
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# 0 hours and 0 mins |
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$uptime =~ /up\s+([0-9]+)/; |
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$uptime = "$1:0:0"; |
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} |
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} |
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elsif ($uptime =~ /hr/) { |
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# 0 days and 0 minutes |
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$uptime =~ /up\s+([0-9]+)\s+/; |
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$uptime = "0:$1:0"; |
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} |
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elsif ($uptime =~ /min/) { |
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# 0 days and 0 hours |
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$uptime =~ /up\s+([0-9]+)\s+/; |
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$uptime = "0:0:$1"; |
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} |
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else { |
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# 0 days |
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$uptime =~ /up\s+([0-9]+):([0-9]+)/; |
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$uptime = "0:$1:$2"; |
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} |
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} |
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|
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# turn into seconds |
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$uptime =~ /([0-9]+):([0-9]+):([0-9]+)/; |
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$uptime = ($3+($2+($1*24))*60)*60; |
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|
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# print the value out |
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&print_pair("unknown", "packet.os.uptime", $uptime); |
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} |
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|
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} |
