pyrox.dev
nixos/timezone: support imperative timezone configuration (#26608)
Fixes #26469.
authored by
Linus Heckemann
and committed by
Joachim F
a0d46403
449946ef
+12
-8
nixos/modules/config/timezone.nix
+12
-8
nixos/modules/config/timezone.nix
···
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time = {
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timeZone = mkOption {
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-
default = "UTC";
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type = types.str;
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example = "America/New_York";
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description = ''
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The time zone used when displaying times and dates. See <link
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xlink:href="https://en.wikipedia.org/wiki/List_of_tz_database_time_zones"/>
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for a comprehensive list of possible values for this setting.
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'';
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};
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···
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# This way services are restarted when tzdata changes.
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systemd.globalEnvironment.TZDIR = tzdir;
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environment.etc.localtime =
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{ source = "/etc/zoneinfo/${config.time.timeZone}";
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mode = "direct-symlink";
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};
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-
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environment.etc.zoneinfo.source = tzdir;
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-
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};
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}
···
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time = {
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timeZone = mkOption {
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default = null;
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type = types.nullOr types.str;
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example = "America/New_York";
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description = ''
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The time zone used when displaying times and dates. See <link
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xlink:href="https://en.wikipedia.org/wiki/List_of_tz_database_time_zones"/>
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for a comprehensive list of possible values for this setting.
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+
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If null, the timezone will default to UTC and can be set imperatively
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using timedatectl.
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'';
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};
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···
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# This way services are restarted when tzdata changes.
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systemd.globalEnvironment.TZDIR = tzdir;
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systemd.services.systemd-timedated.environment = lib.optionalAttrs (config.time.timeZone != null) { NIXOS_STATIC_TIMEZONE = "1"; };
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environment.etc = {
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zoneinfo.source = tzdir;
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} // lib.optionalAttrs (config.time.timeZone == null) {
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localtime.source = "/etc/zoneinfo/${config.time.timeZone}";
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localtime.mode = "direct-symlink";
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};
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};
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}
+45
nixos/tests/timezone.nix
+45
nixos/tests/timezone.nix
···
···
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{
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timezone-static = import ./make-test.nix ({ pkgs, ... }: {
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name = "timezone-static";
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meta.maintainers = with pkgs.lib.maintainers; [ lheckemann ];
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machine.time.timeZone = "Europe/Amsterdam";
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testScript = ''
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$machine->waitForUnit("dbus.socket");
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$machine->fail("timedatectl set-timezone Asia/Tokyo");
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my @dateResult = $machine->execute('date -d @0 "+%Y-%m-%d %H:%M:%S"');
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$dateResult[1] eq "1970-01-01 01:00:00\n" or die "Timezone seems to be wrong";
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'';
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});
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+
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timezone-imperative = import ./make-test.nix ({ pkgs, ... }: {
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name = "timezone-imperative";
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meta.maintainers = with pkgs.lib.maintainers; [ lheckemann ];
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machine.time.timeZone = null;
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testScript = ''
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$machine->waitForUnit("dbus.socket");
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# Should default to UTC
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my @dateResult = $machine->execute('date -d @0 "+%Y-%m-%d %H:%M:%S"');
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print $dateResult[1];
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$dateResult[1] eq "1970-01-01 00:00:00\n" or die "Timezone seems to be wrong";
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$machine->succeed("timedatectl set-timezone Asia/Tokyo");
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# Adjustment should be taken into account
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my @dateResult = $machine->execute('date -d @0 "+%Y-%m-%d %H:%M:%S"');
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print $dateResult[1];
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$dateResult[1] eq "1970-01-01 09:00:00\n" or die "Timezone was not adjusted";
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# Adjustment should persist across a reboot
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$machine->shutdown;
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$machine->waitForUnit("dbus.socket");
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my @dateResult = $machine->execute('date -d @0 "+%Y-%m-%d %H:%M:%S"');
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print $dateResult[1];
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$dateResult[1] eq "1970-01-01 09:00:00\n" or die "Timezone adjustment was not persisted";
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'';
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});
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}