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nixos-generate-config: Emit LUKS configuration for boot device

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This commit is contained in:
Eelco Dolstra 2016-05-25 15:34:37 +02:00
parent c6ab4ab206
commit a7baec7cb1
2 changed files with 23 additions and 4 deletions
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4
nixos/doc/manual/man-nixos-generate-config.xml
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@ -113,8 +113,8 @@
<varlistentry> <varlistentry>
<term><option>--no-filesystems</option></term> <term><option>--no-filesystems</option></term>
<listitem> <listitem>
<para>Omit everything concerning file system information <para>Omit everything concerning file systems and swap devices
(which includes swap devices) from the hardware configuration.</para> from the hardware configuration.</para>
</listitem> </listitem>
</varlistentry> </varlistentry>

21
nixos/modules/installer/tools/nixos-generate-config.pl
View file

@ -419,6 +419,25 @@ EOF
}; };
EOF EOF
# If this filesystem is on a LUKS device, then add a
# boot.initrd.luks.devices entry.
if (-e $device) {
my $deviceName = basename(abs_path($device));
if (-e "/sys/class/block/$deviceName"
&& read_file("/sys/class/block/$deviceName/dm/uuid", err_mode => 'quiet') =~ /^CRYPT-LUKS/)
{
my @slaves = glob("/sys/class/block/$deviceName/slaves/*");
if (scalar @slaves == 1) {
my $slave = "/dev/" . basename($slaves[0]);
if (-e $slave) {
my $dmName = read_file("/sys/class/block/$deviceName/dm/name");
chomp $dmName;
$fileSystems .= " boot.initrd.luks.devices.\"$dmName\".device = \"${\(findStableDevPath $slave)}\";\n\n";
}
}
}
}
} }
@ -459,7 +478,7 @@ my $modulePackages = toNixList(uniq @modulePackages);
my $fsAndSwap = ""; my $fsAndSwap = "";
if (!$noFilesystems) { if (!$noFilesystems) {
$fsAndSwap = "\n${fileSystems} "; $fsAndSwap = "\n$fileSystems ";
$fsAndSwap .= "swapDevices =" . multiLineList(" ", @swapDevices) . ";\n"; $fsAndSwap .= "swapDevices =" . multiLineList(" ", @swapDevices) . ";\n";
} }