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|
{ config, lib, pkgs, utils, ... }:
with lib;
let
cfg = config.systemd.tmpfiles;
systemd = config.systemd.package;
in
{
options = {
systemd.tmpfiles.rules = mkOption {
type = types.listOf types.str;
default = [];
example = [ "d /tmp 1777 root root 10d" ];
description = ''
Rules for creation, deletion and cleaning of volatile and temporary files
automatically. See
<citerefentry><refentrytitle>tmpfiles.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>
for the exact format.
'';
};
systemd.tmpfiles.packages = mkOption {
type = types.listOf types.package;
default = [];
example = literalExpression "[ 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.
'';
};
};
config = {
systemd.additionalUpstreamSystemUnits = [
"systemd-tmpfiles-clean.service"
"systemd-tmpfiles-clean.timer"
"systemd-tmpfiles-setup.service"
"systemd-tmpfiles-setup-dev.service"
];
systemd.additionalUpstreamUserUnits = [
"systemd-tmpfiles-clean.service"
"systemd-tmpfiles-clean.timer"
"systemd-tmpfiles-setup.service"
];
environment.etc = {
"tmpfiles.d".source = (pkgs.symlinkJoin {
name = "tmpfiles.d";
paths = map (p: p + "/lib/tmpfiles.d") cfg.packages;
postBuild = ''
for i in $(cat $pathsPath); do
(test -d "$i" && test $(ls "$i"/*.conf | wc -l) -ge 1) || (
echo "ERROR: The path '$i' from systemd.tmpfiles.packages contains no *.conf files."
exit 1
)
done
'' + concatMapStrings (name: optionalString (hasPrefix "tmpfiles.d/" name) ''
rm -f $out/${removePrefix "tmpfiles.d/" name}
'') config.system.build.etc.passthru.targets;
}) + "/*";
};
systemd.tmpfiles.packages = [
# Default tmpfiles rules provided by systemd
(pkgs.runCommand "systemd-default-tmpfiles" {} ''
mkdir -p $out/lib/tmpfiles.d
cd $out/lib/tmpfiles.d
# home.conf creates /srv (which we don't want), and /home, which
# is handled by NixOS anyway.
# ln -s "${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.rules}
'';
})
];
};
}
|