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#!/usr/bin/perl
# libldm
# Copyright 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 3 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, see <http://www.gnu.org/licenses/>.
use strict;
use warnings;
use File::Temp qw(tempdir);
use JSON::PP;
my @loops;
my @dm_devices;
my $mount = tempdir(CLEANUP => 1);
my $mounted = 0;
my $builddir = shift @ARGV;
my $dg = shift @ARGV;
my $vol = shift @ARGV;
sub umount
{
my $dir = shift;
my $tries = 0;
do {
return if (system('umount', $mount) == 0);
sleep(1);
$tries++;
} while ($tries < 3)
}
END {
my $err = $?;
umount($mount) if (defined($mount) && $mounted);
while(@dm_devices) {
system('dmsetup', 'remove', pop(@dm_devices));
}
while(@loops) {
system('losetup', '-d', pop(@loops));
}
$? = $err;
}
my @loop_args;
foreach my $arg (@ARGV) {
my $loop = `losetup -f --show $arg`;
chomp($loop);
push(@loops, $loop);
push(@loop_args, '-d', $loop);
}
my $json = JSON::PP->new();
open(JSON, '-|', "$builddir/ldmtool", @loop_args, 'create', 'volume', $dg, $vol)
or die("Unable to run ldmtool");
while(<JSON>) {
$json->incr_parse($_);
}
close(JSON);
my $tested = 0;
foreach my $device (@{$json->incr_parse}) {
system('mount', "/dev/mapper/$device", $mount);
$mounted = 1;
open(TEST, '<', "$mount/test.txt") or die "Test file missing";
my $line = <TEST>;
close(TEST);
umount($mount);
$mounted = 0;
`$builddir/ldmtool remove all`;
exit(1) unless $line eq 'Filesystem test';
$tested = 1;
}
exit($tested ? 0 : 1);
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