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nixos/systemd: Implement a packages option for tmpfiles

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Also drop the `portables` tmpfiles because the file is missing in the
systemd derivation.
This commit is contained in:
Janne Heß 2020-07-13 18:12:38 +02:00 committed by ajs124
parent 19f85b0f20
commit a44b2cdd3a
3 changed files with 63 additions and 21 deletions
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3
nixos/modules/services/networking/kresd.nix
View file

@ -134,8 +134,7 @@ in {
CacheDirectoryMode = "0750";
};
environment.etc."tmpfiles.d/knot-resolver.conf".source =
"${package}/lib/tmpfiles.d/knot-resolver.conf";
systemd.tmpfiles.packages = [ package ];
# Try cleaning up the previously default location of cache file.
# Note that /var/cache/* should always be safe to remove.

2
nixos/modules/services/x11/colord.nix
View file

@ -26,7 +26,7 @@ in {
systemd.packages = [ pkgs.colord ];
environment.etc."tmpfiles.d/colord.conf".source = "${pkgs.colord}/lib/tmpfiles.d/colord.conf";
systemd.tmpfiles.packages = [ pkgs.colord ];
users.users.colord = {
isSystemUser = true;

79
nixos/modules/system/boot/systemd.nix
View file

@ -749,6 +749,25 @@ in
'';
};
systemd.tmpfiles.packages = mkOption {
type = types.listOf types.package;
default = [];
example = literalExample "[ pkgs.lvm2 ]";
apply = map getLib;
description = ''
List of packages containing <command>systemd-tmpfiles</command> rules.
All files ending in .conf found in
<filename><replaceable>pkg</replaceable>/lib/tmpfiles.d</filename>
will be included.
If this folder does not exist or does not contain any files an error will be returned instead.
If a <filename>lib</filename> output is available, rules are searched there and only there.
If there is no <filename>lib</filename> output it will fall back to <filename>out</filename>
and if that does not exist either, the default output will be used.
'';
};
systemd.user.units = mkOption {
description = "Definition of systemd per-user units.";
default = {};
@ -992,24 +1011,18 @@ in
"sysctl.d/50-coredump.conf".source = "${systemd}/example/sysctl.d/50-coredump.conf";
"sysctl.d/50-default.conf".source = "${systemd}/example/sysctl.d/50-default.conf";
"tmpfiles.d/00-nixos.conf".text = ''
# This file is created automatically and should not be modified.
# Please change the option ‘systemd.tmpfiles.rules’ instead.
${concatStringsSep "\n" cfg.tmpfiles.rules}
'';
"tmpfiles.d/home.conf".source = "${systemd}/example/tmpfiles.d/home.conf";
"tmpfiles.d/journal-nocow.conf".source = "${systemd}/example/tmpfiles.d/journal-nocow.conf";
"tmpfiles.d/portables.conf".source = "${systemd}/example/tmpfiles.d/portables.conf";
"tmpfiles.d/static-nodes-permissions.conf".source = "${systemd}/example/tmpfiles.d/static-nodes-permissions.conf";
"tmpfiles.d/systemd.conf".source = "${systemd}/example/tmpfiles.d/systemd.conf";
"tmpfiles.d/systemd-nologin.conf".source = "${systemd}/example/tmpfiles.d/systemd-nologin.conf";
"tmpfiles.d/systemd-nspawn.conf".source = "${systemd}/example/tmpfiles.d/systemd-nspawn.conf";
"tmpfiles.d/systemd-tmp.conf".source = "${systemd}/example/tmpfiles.d/systemd-tmp.conf";
"tmpfiles.d/tmp.conf".source = "${systemd}/example/tmpfiles.d/tmp.conf";
"tmpfiles.d/var.conf".source = "${systemd}/example/tmpfiles.d/var.conf";
"tmpfiles.d/x11.conf".source = "${systemd}/example/tmpfiles.d/x11.conf";
"tmpfiles.d".source = (pkgs.symlinkJoin {
name = "tmpfiles.d";
paths = cfg.tmpfiles.packages;
postBuild = ''
for i in $(cat $pathsPath); do
(test -d $i/lib/tmpfiles.d && test $(ls $i/lib/tmpfiles.d/*.conf | wc -l) -ge 1) || (
echo "ERROR: The path $i was passed to systemd.tmpfiles.packages but either does not contain the folder lib/tmpfiles.d or if it contains that folder, there are no files ending in .conf in it."
exit 1
)
done
'';
}) + "/lib/tmpfiles.d";
"systemd/system-generators" = { source = hooks "generators" cfg.generators; };
"systemd/system-shutdown" = { source = hooks "shutdown" cfg.shutdown; };
@ -1030,6 +1043,36 @@ in
unitConfig.X-StopOnReconfiguration = true;
};
systemd.tmpfiles.packages = [
# Default tmpfiles rules provided by systemd
(pkgs.runCommand "systemd-default-tmpfiles" {} ''
mkdir -p $out/lib/tmpfiles.d
cd $out/lib/tmpfiles.d
ln -s "${systemd}/example/tmpfiles.d/home.conf"
ln -s "${systemd}/example/tmpfiles.d/journal-nocow.conf"
ln -s "${systemd}/example/tmpfiles.d/static-nodes-permissions.conf"
ln -s "${systemd}/example/tmpfiles.d/systemd.conf"
ln -s "${systemd}/example/tmpfiles.d/systemd-nologin.conf"
ln -s "${systemd}/example/tmpfiles.d/systemd-nspawn.conf"
ln -s "${systemd}/example/tmpfiles.d/systemd-tmp.conf"
ln -s "${systemd}/example/tmpfiles.d/tmp.conf"
ln -s "${systemd}/example/tmpfiles.d/var.conf"
ln -s "${systemd}/example/tmpfiles.d/x11.conf"
'')
# User-specified tmpfiles rules
(pkgs.writeTextFile {
name = "nixos-tmpfiles.d";
destination = "/lib/tmpfiles.d/00-nixos.conf";
text = ''
# This file is created automatically and should not be modified.
# Please change the option ‘systemd.tmpfiles.rules’ instead.
${concatStringsSep "\n" cfg.tmpfiles.rules}
'';
})
];
systemd.units =
mapAttrs' (n: v: nameValuePair "${n}.path" (pathToUnit n v)) cfg.paths
// mapAttrs' (n: v: nameValuePair "${n}.service" (serviceToUnit n v)) cfg.services