mirror of
https://github.com/libguestfs/libguestfs.git
synced 2026-03-21 22:53:37 +00:00
14fabcd88e
Replaces code such as: fd = open "test1.img" ftruncate fd, size close fd g.add_drive "test1.img" with the shorter and simpler: g.add_drive_scratch size
90 lines
2.6 KiB
Perl
Executable File
90 lines
2.6 KiB
Perl
Executable File
#!/usr/bin/perl
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# libguestfs
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# Copyright (C) 2012 Red Hat Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# Test btrfs subvolume list and btrfs subvolume default-id.
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use strict;
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use warnings;
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use Sys::Guestfs;
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# Allow the test to be skipped since btrfs is often broken.
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exit 77 if $ENV{SKIP_TEST_BTRFS_SUBVOLUME_DEFAULT_PL};
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my $g = Sys::Guestfs->new ();
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$g->add_drive_scratch (1024*1024*1024);
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$g->launch ();
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# If btrfs is not available, bail.
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unless ($g->feature_available (["btrfs"])) {
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warn "$0: skipping test because btrfs is not available\n";
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exit 77;
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}
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$g->part_disk ("/dev/sda", "mbr");
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$g->mkfs_btrfs (["/dev/sda1"]);
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$g->mount ("/dev/sda1", "/");
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$g->btrfs_subvolume_create ("/test1");
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$g->mkdir ("/test1/foo");
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$g->btrfs_subvolume_create ("/test2");
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my @vols = $g->btrfs_subvolume_list ("/");
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# Check the subvolume list, and extract the subvolume ID of path 'test1',
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# and the top level ID (which should be the same for both subvolumes).
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die ("expected 2 subvolumes, but got ", 0+@vols, " instead") unless @vols == 2;
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my %ids;
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my $top_level_id;
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foreach (@vols) {
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my $path = $_->{btrfssubvolume_path};
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my $id = $_->{btrfssubvolume_id};
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my $top = $_->{btrfssubvolume_top_level_id};
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if (!defined $top_level_id) {
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$top_level_id = $top;
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} elsif ($top_level_id != $top) {
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die "top_level_id fields are not all the same";
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}
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$ids{$path} = $id;
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}
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die "no subvolume path 'test1' found" unless exists $ids{test1};
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my $test1_id = $ids{test1};
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$g->btrfs_subvolume_set_default ($test1_id, "/");
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$g->umount ("/");
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$g->mount ("/dev/sda1", "/");
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# This was originally /test1/foo, but now that we changed the
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# default ID to 'test1', /test1 is mounted as /, so:
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$g->mkdir ("/foo/bar");
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$g->btrfs_subvolume_set_default ($top_level_id, "/");
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$g->umount ("/");
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$g->mount ("/dev/sda1", "/");
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# Now we're back to the original default volume, so this should work:
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$g->mkdir ("/test1/foo/bar/baz");
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$g->shutdown ();
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$g->close ();
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