]>
git.proxmox.com Git - pve-container.git/blob - src/lxc-pve-autodev-hook
6 exit 0 if $ENV{LXC_NAME
} && $ENV{LXC_NAME
} !~ /^\d+$/;
13 my $vmid = $ENV{LXC_NAME
};
14 my $root = $ENV{LXC_ROOTFS_MOUNT
};
16 if (@ARGV != 3 || $ARGV[1] ne 'lxc' || $ARGV[2] ne 'autodev') {
17 die "invalid usage, this is an LXC autodev hook\n";
20 if ($vmid ne $ARGV[0]) {
21 die "got wrong name: $ARGV[0] while LXC_NAME=$vmid\n";
24 my $devlist_file = "/var/lib/lxc/$vmid/devices";
27 if (! open $fd, '<', $devlist_file) {
28 exit 0 if $!{ENOENT
}; # If the list is empty the file might not exist.
29 die "failed to open device list: $!\n";
32 while (defined(my $line = <$fd>)) {
33 if ($line !~ m
@^(b
):(\d
+):(\d
+):/dev/(\S
+)\s
*$@) {
34 warn "invalid .pve-devices entry: $line\n";
36 my ($type, $major, $minor, $dev) = ($1, $2, $3, $4);
38 # Don't break out of $root/dev/
40 warn "skipping illegal device node entry: $dev\n";
44 # Never expose /dev/loop-control
45 if ($major == 10 && $minor == 237) {
46 warn "skipping illegal device entry (loop-control) for: $dev\n";
50 my $rel_devpath = "/dev/$dev";
51 my $rel_dir = dirname
($rel_devpath);
52 File
::Path
::mkpath
("$root/$rel_dir");
54 PVE
::Tools
::run_command
(['mknod', '-m', '666', "$root/dev/$dev",
55 $type, $major, $minor]);
57 if ($dev =~ /^dm-\d+$/) {
58 File
::Path
::mkpath
("$root/dev/mapper");
59 my $mapped_name = PVE
::Tools
::file_get_contents
("/sys/block/$dev/dm/name");
61 symlink("/dev/$dev", "$root/dev/mapper/$mapped_name");