possible counter script?
Chuck Mead
csm at MoonGroup.com
Thu Jan 30 11:07:34 GMT 2003
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The attached script comes from the Linux Counter at LI. It is GPL'd.
Perhaps we could somehow modify it to provide user statistice for Lunar?
Or perhaps we could make a module for it and script things so that each
Lunar machine gets incorporated into the LI counter? Maybe two
modules... one for our internal use using a modified version of this
script and one for LI?
Just thinking out loud... what does everybody else think?
http://counter.li.org/ is the reference URL.
- --
csm
I am not a curmudgeon! No... really...
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#!/usr/bin/perl
$VERSION = "0.17";
$CVS_VERSION = '$Revision: 1.17 $ $Date: 2001/08/31 23:00:55 $ $Author: hta $';
#
# Get a machine's critical features, And mail them to the Linux Counter
#
# Copyright (c) Harald Tveit Alvestrand, the Linux Counter Project
# License: GNU Copyleft - see bottom of file.
#
# As a matter of courtesy, if you change this file on your own,
# make sure it does NOT mail to the counter!!!!!!!!!!!!
#
$HELP = <<EoF;
machine-update version $VERSION
Send machine information to the Linux Counter
USE: machine-update [-i] [-(t|d|l|m|v|x|c|u|h)]
SWITCHES:
-i = interactive
-t = test (do not send e-mail, just print it ot STDOUT - default)
-d = debug (test, and print additional debug informations)
-l = display license
-m = mail results to linux-counter
-v = print version and exit
-x = send extra info to server (Debug)
-c = install crontab entry
-u = uninstall crontab entry
-h = print usage information and exit
If called interactively, will ask some questions and store the
answers in $HOME/.linuxcounter/<uname -n>
EoF
#
use POSIX;
# Predecarations
sub Debug;
sub ErrorInfo;
sub DebugInfo;
# Some variables are for internal use, and never prompted for in
# the loop of askquestions
%dontask = (
"uniqueid", 1, # Internal use
"manual", 1,
"method", 1,
"owner", 1, # These 2 are always prompted for
"key", 1,
"uptime", 1, # We think we know how to get these
);
# Configuration: Where to fetch information from
$cpufile = "/proc/cpuinfo";
$kcorefile = "/proc/kcore";
# Make sure nothing happens, so that the script's routines
# can be debugged from another file
if ($IsInTestHarness) {
return 1;
}
preparation();
options();
if ($option{crontab}) {
installcrontab();
exit(0)
} elsif ($option{uncrontab}) {
uninstallcrontab();
exit(0);
}
readfile();
checkconfig();
if ($option{ask}) {
askquestions();
} else {
copymanuals();
}
writefile();
sendfile();
sub preparation {
die "No HOME environment variable\n" if (!$ENV{HOME});
die "No home diretory\n" if ! -d $ENV{HOME};
$infodir = "$ENV{HOME}/.linuxcounter";
if (! -d $infodir) {
mkdir($infodir, 0766) || die "Unable to make $infodir\n";
}
# Keep track of where I am; need it to install crontab entry
# progname is a global.
$progname = $0;
if ($progname !~ /^\//) {
my $progdir = `pwd`;
chop $progdir;
$progname = "$progdir/$progname";
$progname =~ s!/./!/!;
}
chdir($infodir) || die "Unable to change to $infodir\n";
($sysname, $nodename, $release, $version, $machine ) = POSIX::uname();
if (! -f $nodename) {
print STDERR "Machine-update $VERSION. Use $0 -l to display license.\n";
print STDERR "Creating the infofile for your computer.\n";
# Create the infodir
open(INFO, ">$nodename");
print INFO "uniqueid: ", randomnumber(), "\n";
close INFO;
}
}
sub options {
while ($ARGV[0] =~ /^-/) {
$opt = shift @ARGV;
$opt =~ /i/ && ($option{ask}=1) ;
$opt =~ /d/ && ($option{DEBUG}+=1) && (print STDERR "Debug is $option{DEBUG}\n");
$opt =~ /l/ && do {license(); exit(0)};
$opt =~ /t/ && ($option{mail}=0);
$opt =~ /m/ && ($option{mail}=1);
$opt =~ /x/ && ($option{info}=1);
$opt =~ /c/ && ($option{crontab}=1);
$opt =~ /u/ && ($option{uncrontab}=1);
$opt =~ /v/ && die "\n\t Linux Counter machine-update version $VERSION\n";
$opt =~ /h/ && die $HELP;
}
}
sub askquestions {
return if ! -t STDIN || ! -t STDOUT;
$| = 1;
print "Here you can specify some info that the script can't know for itself\n";
$values{owner} = askone("Your Linux Counter reg#, if any", $values{owner});
$values{key} = askone("Your machine's counter reg#, if any", $values{key});
print "Here is what the program has found:\n";
for $key (keys(%values)) {
if (!$dontask{$key}) {
printf "%-10s%1s: %s\n", $key, $dontask{$key}?"*":" ", $values{$key};
}
}
$domore = askone("Do you want to override some of the found values?", "no");
if ($domore =~ /^Y/i) {
my $manual;
for $key (keys(%values)) {
next if $dontask{$key};
my $value = askone($key, $oldvalues{$key}, $values{$key});
if ($values{$key} eq $value) {
# go to automatic
Debug "auto value: $key\n";
} else {
Debug "still manual value: $key\n";
$manual .= " $key";
}
$values{$key} = $value;
}
$values{manual} = $manual;
} else {
delete $values{manual};
}
}
sub askone {
my $prompt = shift;
my $default = shift;
my $probed = shift;
print $prompt;
if (!defined($default) && defined($probed)) {
$default = $probed;
}
if (defined($default)) {
print " [$default]";
}
if (defined($probed) && $probed ne $default) {
print "(program found $probed)";
}
print ":";
$ans = <STDIN>;
chop $ans;
Debug "Answer was $ans\n";
if (length($ans) == 0) {
$ans = $default;
}
$ans;
}
sub copymanuals {
my %keeps = map {$_ => 1} split(" ", $values{manual});
Debug "Keeping ", join(" ", keys(%keeps)), "\n";
for $key (keys(%keeps)) {
$values{$key} = $oldvalues{$key};
}
}
sub readfile {
open(INFO, $nodename) || die "Did not find infofile $nodename\n";
while (<INFO>) {
chop;
s/#.*//;
if (/^(\S+): *(.+)/) {
Debug "Read $1: $2\n";
$values{$1} = $2;
} else {
print STDERR "Unparsed info line: $_ - discarded\n";
}
}
close INFO;
%oldvalues = %values;
}
sub writefile {
open(INFO, ">$nodename.new");
for $val (sort keys(%values)) {
Debug "Saving $val: $values{$val}\n";
print INFO "$val: $values{$val}\n";
}
close INFO;
rename("$nodename.new", $nodename) || die "Rename failed\n";
}
sub sendfile {
if ($option{mail}) {
open(MAIL, "|/usr/lib/sendmail machine-registration\@counter.li.org")
|| die "Unable to open sendmail\n";
} else {
warn "--------------------------------------------------------\n";
warn "This is what will be sent to the Linux Counter if you\n";
warn "run the program with the -m switch. Now, NOTHING IS SENT\n";
warn "--------------------------------------------------------\n";
open(MAIL, ">&STDOUT");
}
# note that $ENV{USER} isn't (always) set in a cron job...
$user = (getpwuid($<))[0];
$user = "unknown-id-$<" if !$user;
print MAIL <<EOF
From: $user
To: machine-registration\@counter.li.org
Subject: machine-update for $values{name}
//MACHINE
EOF
;
for $val (sort keys(%values)) {
print MAIL "$val: $values{$val}\n";
}
print MAIL "//END\n";
# Attach possible other info
if ($errordata) {
print MAIL "----- Problem info gathered during probing -----\n";
print MAIL $errordata;
}
$option{info} && do {
print MAIL "----- Debug data for the script maintainer's aid -----\n";
print MAIL $debugdata;
};
close MAIL;
}
sub randomnumber {
# Better randomness desired.
return int(rand(1_000_000_000));
}
sub checkconfig {
$values{method} = "machine-update version $VERSION";
($sysname, $nodename, $release, $version, $machine ) = POSIX::uname();
die "This is not Linux, but $sysname!\n" if $sysname ne "Linux";
$values{kernel} = $release;
$values{cpu_uname} = $machine;
$values{name} = $nodename; # First order guess
# Credit for some of the code below goes to
# Denis Havlik: <havlik at ap.univie.ac.at>
# Blame is, of course, all mine - HTA -
open (TMP,"df -l |");
$HD=0;
while (<TMP>) {
@line=split(/\s+/);
($line[1]=~ /blocks$/) || ($HD+=$line[1]);
}
Debug "$HD kbytes of disk found\n";
$HD/=1024;
$values{disk} = sprintf("%d", $HD);
$values{accounts} = accounts();
$values{users} = active_users();
$uptime = `uptime`;
if ($uptime =~ /up\s+(.*),\s+\d+ user/) {
$values{uptime} = $1;
} else {
ErrorInfo "Can't parse uptime output: $uptime\n";
}
if ($option{info}) {
DebugInfo "***** Uptime output *****\n$uptime";
}
# Not sure this is a Right Thing...so not saving it for the moment
$s{mailaddr}=$s{hostname};
if ( -f "/etc/sendmail.cf" ) {
$values{mailer} = "sendmail";
open (TMP,"</etc/sendmail.cf");
while (<TMP>) {
if (/^DM(.+)/) {
$s{mailaddr}=$1;
Debug "Found $s{mailaddr} in /etc/sendmail.cf\n";
}
}
}
if (-f $kcorefile) {
$values{memory} = ((-s $kcorefile) - 4096) / (1024*1024);
} else {
ErrorInfo "No /proc/kcore file\n";
}
cpuinfo();
}
sub cpuinfo {
# This procedure is likely to get tacky enough that I want to
# isolate it from the rest....
my %interesting = (
# 2.0 and 2.2 kernels
"bogomips" => "+bogomips",
"processor" => "1+processors",
"vendor_id" => "cpu_vendor",
# 2.0 kernels
"cpu" => "cpu_only",
"model" => "cpu_model",
"model name" => "cpu_model_name",
# 2.2 kernels
"cpu MHz" => "cpu_mhz",
"cpu family" => "cpu_family",
# from an Alpha processor
"cycle frequency [Hz]" => "cpu_hz",
"BogoMIPS" => "+bogomips",
"cpu model" => "cpu_model",
"system type" => "cpu_system_type",
"cpus detected" => "processors",
# from a PowerMAC
"machine" => "cpu_machine",
"clock" => "cpu_clock",
"motherboard" => "cpu_motherboard",
);
# Zero out the accumulative values
$values{bogomips} = 0;
$values{processors} = 0;
if (open (TMP,"<$cpufile")) {
DebugInfo "**** Contents of $cpufile ****\n";
while (<TMP>) {
# Save /proc/cpuinfo to debugdata if -d
DebugInfo $_;
chop;
# A bizarre selection of names are "interesting".
# Make a data-driven pick routine
if (/^(\S+[^:]+\S)\s+: /) {
$name = $1;
$value = $';
if ($interesting{$name}) {
if ($interesting{$name} =~ /^\+/) {
$values{$'} += $value;
} elsif ($interesting{$name} =~ /^1\+/) {
$values{$'} += 1;
} else {
$values{$interesting{$name}} = $value;
}
}
}
}
} else {
ErrorInfo "Could not open $cpufile\n";
}
}
sub accounts {
my $s;
my $niss;
open (TMP,"</etc/passwd");
$s += passwdscan();
$option{DEBUG} && do {
print STDERR "Found $s accounts total\n";
};
Debug "Switching to NIS passwords\n";
open(TMP, "ypcat passwd 2> /dev/null|")
|| do {$errrordata .= "ypcat failed: $!\n"};
$niss = passwdscan();
$s += $niss;
close TMP;
Debug "Status of ypcat: $?\n";
$option{DEBUG} && do {
print STDERR "Found $niss accounts in ypcat passwd\n";
};
$option{DEBUG} && do {
print STDERR "Sysaccounts: ", join(" ", keys(%is_sys_account)), "\n";
print STDERR "Found $s accounts total\n";
};
return $s
}
sub passwdscan {
# I suppose this is as good as it gets -
# Usually user accounts have UID > 100 and
# "system accounts" have UID < 100, but there is no guarantee that
# this will hold for pseudo-users like "postgress" etc.
# Also nobody is usually 99 on linux, but -1 on "standard" unices.
my @line;
my $s=0;
while (<TMP>) {
@line=split(":");
if ($line[2] > 100) {
$s++;
$is_account{$line[0]} = 1;
} else {
$is_sys_account{$line[0]} = 1;
}
}
$s;
}
sub active_users {
# This is kind of alpha, but please test it.
# It calculates the number of "active" users based on the "wtmp" entries
# This guys shouldn't be counted. Who else?
for $q (qw(reboot wtmp runlevel)) {
$is_sys_account{$q} = 1;
}
open( TMP, "/usr/bin/last|");
while (<TMP>){
chop;
@tmp=split;
$name = $tmp[0];
if ($is_sys_account{$name}) {
# do nothing
} elsif ($is_account{$name}) {
$is_user{$name}=1;
} elsif (/^\s*$/) {
# blank line - do nothing
} elsif ($#tmp == 9) {
# OK line, but unknown user
$option{DEBUG} && do {
if (!$userslisted) {
print STDERR "Know users are: ",
join(" ", keys(%is_account)), "\n";
$userslisted = 1;
};
print STDERR "Unknown user: $name\n";
}
} else {
$option{DEBUG} && print STDERR "Strange line: $_\n";
}
}
close TMP;
$i=0;
foreach $user (sort keys %is_user) {
$i++;
$option{DEBUG} && printf "Active user %3d: %s\n", $i, $user;
}
$option{DEBUG} && print "$i active users found.\n";
return $i;
}
sub installcrontab {
print STDERR "Installing start of script into your crontab\n";
$hour = int(rand(24));
$min = int(rand(60));
$day = int(rand(7)); # Weekday. This version runs once a week.
# Previous versions ran once a month.
if (open(CRON, "crontab -l |")) {
$option{DEBUG} && print "Checking crontab for machine-update\n";
$option{DEBUG} && print "Want to install as $progname\n";
while (<CRON>) {
if (/^#/ && $. <= 3) { # initial comment
Debug "Skipping comment: $_";
next;
}
if (/machine-update/) {
if (/ $progname -m/) {
die "Crontab entry already installed: $_\n";
} else {
die "Another entry with machine-update: $_\n";
}
}
$cron .= $_;
}
close CRON;
Debug "Result from crontab -l: ", $? / 256, "\n";
if ($? == 0) {
Debug "Crontab successfully read\n";
} elsif ($? == 256) {
warn "You don't seem to have a crontab. I will create one.\n";
} else {
die "Failed to read your crontab. Please report this as a bug: $?\n";
}
} else {
Debug "Result from crontab open(): $?\n";
die "Unable to execute crontab command. Please check your system\n";
}
open(CRON, "|crontab -");
print CRON $cron;
print CRON "$min $hour * * $day $progname -m\n";
close CRON;
Debug "Result from crontab: $?\n";
if ($?) {
print <<EoF;
Installing new crontab failed.
YOUR CRONTAB MAY BE DAMAGED - use crontab -l to check it.
Here's its former content (if any):
$cron
EoF
die("\n");
}
print "Crontab entry successfully installed.\nWill run on day $day of every week, at $hour:$min\n";
}
sub uninstallcrontab {
print STDERR "Removing $progname from your crontab\n";
open(CRON, "crontab -l |");
Debug "Checking crontab for machine-update\n";
Debug "Want to uninstall as $progname\n";
my $found = 0;
while (<CRON>) {
if (/^#/ && $. <= 3) { # initial comment
Debug "Skipping comment: $_";
next;
}
if (/machine-update/) {
if (/ $progname -m/) {
print STDERR "Crontab entry found and removed\n";
$found = 1;
next; # skip stuff at end....
} else {
die "Another entry with machine-update: $_\nUninstall manually?\n";
}
}
$cron .= $_;
}
close CRON;
Debug "Result from crontab -l: $?\n";
if ($?) {
die "Failed to read your crontab. You may not have one?\n";
}
if ($found) {
open(CRON, "|crontab -");
print CRON $cron;
close CRON;
Debug "Result from crontab: $?\n";
if ($?) {
print <<EoF;
Installing new crontab failed.
YOUR CRONTAB MAY BE DAMAGED - use crontab -l to check it.
Here's its former content (if any):
$cron
EoF
die("\n");
}
} else {
print STDERR "No instance of $progname found in your crontab\n";
}
}
sub Debug {
$option{DEBUG} && print @_;
}
sub ErrorInfo {
$errordata .= join("", @_);
}
sub DebugInfo {
$option{info} && {$debugdata .= join("", @_)};
}
sub license {
print <<EoF;
Linux Counter Machine Update version $VERSION
Copyright (C) 1999 Harald Tveit Alvestrand
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 below for more details.
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
675 Mass Ave, Cambridge, MA 02139, USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
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We protect your rights with two steps: (1) copyright the software, and
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However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
parties remain in full compliance.
5. You are not required to accept this License, since you have not
signed it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. These actions are
prohibited by law if you do not accept this License. Therefore, by
modifying or distributing the Program (or any work based on the
Program), you indicate your acceptance of this License to do so, and
all its terms and conditions for copying, distributing or modifying
the Program or works based on it.
6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
EoF
}
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