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#! /usr/bin/perl -Idebian/tests/lib
# Ref: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=682156
use diagnostics;
use strict;
use warnings;
use AdduserTestsCommon;
my $startid = 22222;
my $size = 5000;
my $show = 50;
my $maxsecs = 120;
my $setup_secs = 240;
my $groupdel_secs = 60;
my ($secs, $isecs, $tsecs, $id);
my ($fp, $fs, $fg);
END {
}
# at the end of this, we will have 2*N groups, with N!+N memberships
open($fp, ">>", "/etc/passwd");
open($fs, ">>", "/etc/shadow");
open($fg, ">>", "/etc/group");
print "Creating users..\n";
$secs = time();
$tsecs = 0;
$id = $startid;
for (1..$size) {
my $username = "dgpu_$_";
$isecs = time();
print $fp
join(':', $username,'x', $id, $id, 'x', '/nonexistent', '/usr/sbin/nologin')."\n";
print $fs
join(':', $username, '!', $id, '','','','','')."\n";
print $fg
join(':', $username, 'x', $id, $username)."\n";
$isecs = time() - $isecs;
$tsecs += $isecs;
$id++;
print ".";
print "($_) [ ".($tsecs / $_)."s avg ]\n" if ($_ % $show == 0);
}
$secs = (time() - $secs) || 1;
ok($secs < $setup_secs, "created $size users in $secs seconds (< $setup_secs).");
print "Creating/populating groups..\n";
$secs = time();
$tsecs = 0;
for (1..$size) {
my $groupname = "dgpg_$_";
$isecs = time();
my $group_str = "";
for (1..$_) {
$group_str.="," if $group_str;
$group_str.="dgpu_$_";
}
print $fg join(':', $groupname, 'x', $id, $group_str)."\n";
$isecs = time() - $isecs;
$tsecs += $isecs;
$id++;
print ".";
print "($_) [ ".($tsecs / $_)."s avg ]\n" if ($_ % $show == 0);
}
$secs = (time() - $secs) || 1;
ok($secs < $setup_secs, "populated $size groups in $secs seconds (< $setup_secs).");
close($fp); close($fs); close($fg);
############ just for posterity; the "right" way is orders of magnitude too slow ##
#
# print "Creating users and groups..\n";
# $secs = time();
# $tsecs = 0;
# for (1..$size) {
# my $username = "dgpu_$_";
# my $groupname = "dgpg_$_";
# $isecs = time();
# ### ironically, our own tools are far too slow for this :)
# #
# # system('/usr/sbin/adduser',
# # '--stdoutmsglevel=error', '--stderrmsglevel=error',
# # '--comment="x"',
# # '--no-create-home',
# # '--disabled-password',
# # $username);
# # system('/usr/sbin/addgroup',
# # '--stdoutmsglevel=error', '--stderrmsglevel=error',
# # $groupname);
# # system('/usr/sbin/adduser',
# # '--stdoutmsglevel=error', '--stderrmsglevel=error',
# # "dgpu_$_",
# # $groupname)
# # for (1..$_);
# # system("/usr/sbin/groupmod", "-a", "-U", "dgpu_$_", $groupname) for (1..$_);
# #
# ##### then again, so is useradd :D
# system("/usr/sbin/groupadd", $groupname);
# system("/usr/sbin/useradd", "-M", "-l", $username);
# $isecs = time() - $isecs;
# $tsecs += $isecs;
# print ".";
# print "($_) [ ".($tsecs / $_)."s avg ]\n" if ($_ % $show == 0);
# }
# $secs = (time() - $secs) || 1;
# ok($secs, "created $size users/groups in $secs seconds.");
#
# print "Populating groups..\n";
# $secs = time();
# $tsecs = 0;
# for (1..$size) {
# $isecs = time();
# my $group_str = "";
# for (1..$_) {
# $group_str.="," if $group_str;
# $group_str.="dgpu_$_";
# }
# system("/usr/sbin/groupmod", "-U", $group_str, "dgpg_$_");
# $isecs = time() - $isecs;
# $tsecs += $isecs;
# print ".";
# print "($_) [ ".($tsecs / $_)."s avg ]\n" if ($_ % $show == 0);
# }
# $secs = (time() - $secs) || 1;
# ok($secs, "populated $size groups in $secs seconds.");
# these groups are wildly different sizes
my @groups = (3, int($size / 3), int($size * 2 / 3), $size - 2);
for (@groups) {
$secs = time();
my $groupname = "dgpg_$_";
assert_command_success('/usr/sbin/delgroup',
'--stdoutmsglevel=error', '--stderrmsglevel=error',
$groupname);
$secs = (time() - $secs) || 1;
ok($secs < $groupdel_secs, "delgroup $groupname took ${secs}s (< $groupdel_secs).");
}
for (@groups) {
$_ += 1;
$secs = time();
my $groupname = "dgpg_$_";
assert_command_success('/usr/sbin/groupdel', $groupname);
$secs = (time() - $secs) || 1;
ok($secs < $groupdel_secs, "groupdel $groupname took ${secs}s (< $groupdel_secs).");
}
# vim: tabstop=4 shiftwidth=4 expandtab
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