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#!/usr/bin/perl -w
# @configure_input@
# Copyright (C) 2009-2012 Red Hat Inc.
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# Pick guests at random on the local machine which are accessible.
# This is used by 'make check-valgrind-local-guests'.
use strict;
use Sys::Guestfs;
use Sys::Virt;
use List::Util qw(shuffle);
die "$0 nr-guests\n" unless @ARGV == 1;
my $n = $ARGV[0];
my $vmm = Sys::Virt->new (uri => '@libvirt_ro_uri@');
my @domains = ($vmm->list_domains, $vmm->list_defined_domains);
# Only guests which are accessible by the current (non-root) user. On
# the machine where I run these tests, I have added my user account to
# the 'disk' group, so that most guests are accessible. However
# because libvirt changes the permissions on guest disks, a guest
# which has been run on the machine becomes inaccessible, hence the
# need for this code - RWMJ.
my @accessible;
foreach my $dom (@domains) {
my $name = $dom->get_name;
my $g = Sys::Guestfs->new;
eval {
$g->add_domain ($name, readonly => 1,
libvirturi => '@libvirt_ro_uri@');
# $g->launch (); - don't actually need to do this
};
push @accessible, $name unless $@;
}
# Randomize the list of guests.
@accessible = shuffle (@accessible);
$n = @accessible if @accessible < $n;
# Return the first n guests from the list.
for (my $i = 0; $i < $n; ++$i) {
print " " if $i > 0;
print $accessible[$i];
}
print "\n";
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