plugins/perl/i-scream_uptime.pl

#!/usr/bin/perl -w

# 
# i-scream central monitoring system
# Copyright (C) 2000-2002 i-scream
# 
# 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; either version 2
# of the License, or (at your option) any later version.
# 
# 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
#

#-----------------------------------------------------------------
# i-scream host plugin - uptime & load calculation
#     $Author: tdb $
#     $Id: i-scream_uptime.pl,v 1.3 2002/02/12 17:14:56 tdb Exp $
#
# A short perl script to calculate the uptime in seconds,
# and to get the current system loads.
#-----------------------------------------------------------------


$| = 1;

# You'd be silly not to use this ;)
use strict;

# Get the OS type from the args, or try towork it out
my($ostype) = $ARGV[0];
$ostype = `uname -s` if not defined $ostype;
chomp($ostype);

# Decide which paths we should use.
my($uptimebin); my($sysctlbin);
if ($ostype eq "SunOS" || $ostype eq "Linux") {
    # covers: Solaris 7/8
    # covers: Debian r2.2
    $uptimebin = "/usr/bin/uptime";
}
elsif ($ostype eq "FreeBSD") {
    # covers: FreeBSD 4.X
    $sysctlbin = "/sbin/sysctl";
}
else {
    print "i-scream_uptime.pl Error: Unable to identify system type - \"$ostype\".\n";
    print "\"uname -s\" does not report one of the following known types;\n";
    print "      SunOS, Linux, FreeBSD\n";
    exit(1);
}

# Run the following components: -
&include_uptime();

# End the program normally.
exit(0);


# sub to print pairs of data, separated by a single space character.
# If the second argument is undefined, then the pair is still printed,
# however, the value shall be displayed as the the 'default' value
# if the passed value was undefined.
sub print_pair($$$) {
    my($default, $name, $value) = @_;

    if (!defined $value) {
        $value = $default;
    }

    # Remove the trailing linefeed if we've not already done so.
    chomp($value);

    # print the pair of data with a space inbetween.
    print "$name $value\n";
}

# get system uptime in seconds, and the current load
sub include_uptime() {

    # if it's FreeBSD, get the uptime and load sanely :)
    if ($ostype eq "FreeBSD") {
        my($boottime) = `$sysctlbin -n kern.boottime`;
        if($boottime =~ /^{ sec = (\d+),/) {
            &print_pair("unknown", "packet.os.uptime", time()-$1);
        }
    
        my($loadavg) = `$sysctlbin -n vm.loadavg`;
        if($loadavg =~ /\s+([^\s]+?)\s+([^\s]+?)\s+([^\s]+?)\s+/) {
            &print_pair(0, "packet.load.load1", $1);
            &print_pair(0, "packet.load.load5", $2);
            &print_pair(0, "packet.load.load15", $3);
        }
    }
    
    # otherwise, lets parse :)
    else {
        # grab the uptime
        my($uptime) = `$uptimebin`;
        
        # grab the load
        &print_pair(0, "packet.load.load1", $uptime =~ /load average.?:\s*([^\s]+?),/);
        &print_pair(0, "packet.load.load5", $uptime =~ /load average.?:\s*.+?,\s*([^\s]+?),/);
        &print_pair(0, "packet.load.load15", $uptime =~ /load average.?:\s*.+?,\s*.+?,\s*([^\s]+)/);
    
        # work out the days, hours, and minutes
    
        if ($uptime =~ /day.*,\s+([0-9]+):([0-9]+)/) {
          # normal
            $uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+):([0-9]+)/;
            $uptime = "$1:$2:$3";
        }
        else {
            if ($uptime =~ /day/) {
                if ($uptime =~ /hr/) {
                  # 0 minutes
                    $uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+)\s+[^\s]+,/;
                    $uptime = "$1:$2:0";
                }
                elsif ($uptime =~ /min/) {
                  # 0 hours
                    $uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+)\s+[^\s]+,/;
                    $uptime = "$1:0:$2";
                }
                else {
                  # 0 hours and 0 mins
                    $uptime =~ /up\s+([0-9]+)/;
                    $uptime = "$1:0:0";
                }
            }
            elsif ($uptime =~ /hr/) {
              # 0 days and 0 minutes
                $uptime =~ /up\s+([0-9]+)\s+/;
                $uptime = "0:$1:0";
            }
            elsif ($uptime =~ /min/) {
              # 0 days and 0 hours
                $uptime =~ /up\s+([0-9]+)\s+/;
                $uptime = "0:0:$1";
            }
            else {
              # 0 days
                $uptime =~ /up\s+([0-9]+):([0-9]+)/;
                $uptime = "0:$1:$2";
            }
        }
    
        # turn into seconds
        $uptime =~ /([0-9]+):([0-9]+):([0-9]+)/;
        $uptime = ($3+($2+($1*24))*60)*60;
        
        # print the value out
        &print_pair("unknown", "packet.os.uptime", $uptime);
    }

}
Revision:	1.4
Committed:	Sat May 18 18:15:57 2002 UTC (22 years, 5 months ago) by tdb
Content type:	text/plain
Branch:	MAIN
Changes since 1.3:	+20 -1 lines
Log Message:	i-scream is now licensed under the GPL. I've added the GPL headers to every source file, and put a full copy of the license in the appropriate places. I think I've covered everything. This is going to be a mad commit ;)
#	User	Rev	Content
1	tdb	1.1	#!/usr/bin/perl -w
2
3	tdb	1.4	#
4			# i-scream central monitoring system
5			# Copyright (C) 2000-2002 i-scream
6			#
7			# This program is free software; you can redistribute it and/or
8			# modify it under the terms of the GNU General Public License
9			# as published by the Free Software Foundation; either version 2
10			# of the License, or (at your option) any later version.
11			#
12			# This program is distributed in the hope that it will be useful,
13			# but WITHOUT ANY WARRANTY; without even the implied warranty of
14			# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			# GNU General Public License for more details.
16			#
17			# You should have received a copy of the GNU General Public License
18			# along with this program; if not, write to the Free Software
19			# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20			#
21
22	tdb	1.1	#-----------------------------------------------------------------
23			# i-scream host plugin - uptime & load calculation
24	tdb	1.2	# $Author: tdb $
25	tdb	1.4	# $Id: i-scream_uptime.pl,v 1.3 2002/02/12 17:14:56 tdb Exp $
26	tdb	1.1	#
27			# A short perl script to calculate the uptime in seconds,
28			# and to get the current system loads.
29			#-----------------------------------------------------------------
30
31
32			$\| = 1;
33
34			# You'd be silly not to use this ;)
35			use strict;
36
37	tdb	1.2	# Get the OS type from the args, or try towork it out
38			my($ostype) = $ARGV[0];
39			$ostype = `uname -s` if not defined $ostype;
40			chomp($ostype);
41	tdb	1.1
42			# Decide which paths we should use.
43	tdb	1.3	my($uptimebin); my($sysctlbin);
44			if ($ostype eq "SunOS" \|\| $ostype eq "Linux") {
45	tdb	1.1	# covers: Solaris 7/8
46			# covers: Debian r2.2
47	tdb	1.3	$uptimebin = "/usr/bin/uptime";
48			}
49			elsif ($ostype eq "FreeBSD") {
50	tdb	1.1	# covers: FreeBSD 4.X
51	tdb	1.3	$sysctlbin = "/sbin/sysctl";
52	tdb	1.1	}
53			else {
54			print "i-scream_uptime.pl Error: Unable to identify system type - \"$ostype\".\n";
55			print "\"uname -s\" does not report one of the following known types;\n";
56			print " SunOS, Linux, FreeBSD\n";
57			exit(1);
58			}
59
60			# Run the following components: -
61			&include_uptime();
62
63			# End the program normally.
64			exit(0);
65
66
67
68
69			# sub to print pairs of data, separated by a single space character.
70			# If the second argument is undefined, then the pair is still printed,
71			# however, the value shall be displayed as the the 'default' value
72			# if the passed value was undefined.
73			sub print_pair($$$) {
74			my($default, $name, $value) = @_;
75
76			if (!defined $value) {
77			$value = $default;
78			}
79
80			# Remove the trailing linefeed if we've not already done so.
81			chomp($value);
82
83			# print the pair of data with a space inbetween.
84			print "$name $value\n";
85			}
86
87			# get system uptime in seconds, and the current load
88			sub include_uptime() {
89
90	tdb	1.3	# if it's FreeBSD, get the uptime and load sanely :)
91			if ($ostype eq "FreeBSD") {
92			my($boottime) = `$sysctlbin -n kern.boottime`;
93			if($boottime =~ /^{ sec = (\d+),/) {
94			&print_pair("unknown", "packet.os.uptime", time()-$1);
95			}
96	tdb	1.1
97	tdb	1.3	my($loadavg) = `$sysctlbin -n vm.loadavg`;
98			if($loadavg =~ /\s+([^\s]+?)\s+([^\s]+?)\s+([^\s]+?)\s+/) {
99			&print_pair(0, "packet.load.load1", $1);
100			&print_pair(0, "packet.load.load5", $2);
101			&print_pair(0, "packet.load.load15", $3);
102			}
103	tdb	1.1	}
104	tdb	1.3
105			# otherwise, lets parse :)
106	tdb	1.1	else {
107	tdb	1.3	# grab the uptime
108			my($uptime) = `$uptimebin`;
109
110			# grab the load
111			&print_pair(0, "packet.load.load1", $uptime =~ /load average.?:\s*([^\s]+?),/);
112			&print_pair(0, "packet.load.load5", $uptime =~ /load average.?:\s.+?,\s([^\s]+?),/);
113			&print_pair(0, "packet.load.load15", $uptime =~ /load average.?:\s.+?,\s.+?,\s*([^\s]+)/);
114
115			# work out the days, hours, and minutes
116
117			if ($uptime =~ /day.*,\s+([0-9]+):([0-9]+)/) {
118			# normal
119			$uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+):([0-9]+)/;
120			$uptime = "$1:$2:$3";
121			}
122			else {
123			if ($uptime =~ /day/) {
124			if ($uptime =~ /hr/) {
125			# 0 minutes
126			$uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+)\s+[^\s]+,/;
127			$uptime = "$1:$2:0";
128			}
129			elsif ($uptime =~ /min/) {
130			# 0 hours
131			$uptime =~ /up\s+([0-9]+)\s+[^\s]+,\s+([0-9]+)\s+[^\s]+,/;
132			$uptime = "$1:0:$2";
133			}
134			else {
135			# 0 hours and 0 mins
136			$uptime =~ /up\s+([0-9]+)/;
137			$uptime = "$1:0:0";
138			}
139			}
140			elsif ($uptime =~ /hr/) {
141			# 0 days and 0 minutes
142			$uptime =~ /up\s+([0-9]+)\s+/;
143			$uptime = "0:$1:0";
144	tdb	1.1	}
145			elsif ($uptime =~ /min/) {
146	tdb	1.3	# 0 days and 0 hours
147			$uptime =~ /up\s+([0-9]+)\s+/;
148			$uptime = "0:0:$1";
149	tdb	1.1	}
150			else {
151	tdb	1.3	# 0 days
152			$uptime =~ /up\s+([0-9]+):([0-9]+)/;
153			$uptime = "0:$1:$2";
154	tdb	1.1	}
155			}
156	tdb	1.3
157			# turn into seconds
158			$uptime =~ /([0-9]+):([0-9]+):([0-9]+)/;
159			$uptime = ($3+($2+($124))60)*60;
160
161			# print the value out
162			&print_pair("unknown", "packet.os.uptime", $uptime);
163	tdb	1.1	}
164
165			}