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ZFS: Ask for stage 2 encryption passwords using systemd-ask-password

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This commit is contained in:
Will Fancher 2020-06-23 06:08:40 -04:00
parent 9480bae337
commit 0d55d48f0f
1 changed files with 19 additions and 2 deletions
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21
nixos/modules/tasks/filesystems/zfs.nix
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@ -490,7 +490,11 @@ in
description = "Import ZFS pool \"${pool}\"";
# we need systemd-udev-settle until https://github.com/zfsonlinux/zfs/pull/4943 is merged
requires = [ "systemd-udev-settle.service" ];
after = [ "systemd-udev-settle.service" "systemd-modules-load.service" ];
after = [
"systemd-udev-settle.service"
"systemd-modules-load.service"
"systemd-ask-password-console.service"
];
wantedBy = (getPoolMounts pool) ++ [ "local-fs.target" ];
before = (getPoolMounts pool) ++ [ "local-fs.target" ];
unitConfig = {
@ -515,7 +519,20 @@ in
done
poolImported "${pool}" || poolImport "${pool}" # Try one last time, e.g. to import a degraded pool.
if poolImported "${pool}"; then
${optionalString cfgZfs.requestEncryptionCredentials "\"${packages.zfsUser}/sbin/zfs\" load-key -r \"${pool}\""}
${optionalString cfgZfs.requestEncryptionCredentials ''
${packages.zfsUser}/sbin/zfs list -rHo name,keylocation ${pool} | while read ds kl; do
case "$kl" in
none )
;;
prompt )
${config.systemd.package}/bin/systemd-ask-password "Enter key for $ds:" | ${packages.zfsUser}/sbin/zfs load-key "$ds"
;;
* )
${packages.zfsUser}/sbin/zfs load-key "$ds"
;;
esac
done
''}
echo "Successfully imported ${pool}"
else
exit 1