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nixos/timezone: support imperative timezone configuration (#26608)

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Fixes #26469.
This commit is contained in:
Linus Heckemann 2017-07-31 15:55:24 +01:00 committed by Joachim F
parent 449946ef94
commit a0d464033c
2 changed files with 57 additions and 8 deletions
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20
nixos/modules/config/timezone.nix
View File

@ -14,13 +14,16 @@ in
time = {
timeZone = mkOption {
default = "UTC";
type = types.str;
default = null;
type = types.nullOr types.str;
example = "America/New_York";
description = ''
The time zone used when displaying times and dates. See <link
xlink:href="https://en.wikipedia.org/wiki/List_of_tz_database_time_zones"/>
for a comprehensive list of possible values for this setting.
If null, the timezone will default to UTC and can be set imperatively
using timedatectl.
'';
};
@ -40,13 +43,14 @@ in
# This way services are restarted when tzdata changes.
systemd.globalEnvironment.TZDIR = tzdir;
environment.etc.localtime =
{ source = "/etc/zoneinfo/${config.time.timeZone}";
mode = "direct-symlink";
systemd.services.systemd-timedated.environment = lib.optionalAttrs (config.time.timeZone != null) { NIXOS_STATIC_TIMEZONE = "1"; };
environment.etc = {
zoneinfo.source = tzdir;
} // lib.optionalAttrs (config.time.timeZone == null) {
localtime.source = "/etc/zoneinfo/${config.time.timeZone}";
localtime.mode = "direct-symlink";
};
environment.etc.zoneinfo.source = tzdir;
};
}

45
nixos/tests/timezone.nix Normal file
View File

@ -0,0 +1,45 @@
{
timezone-static = import ./make-test.nix ({ pkgs, ... }: {
name = "timezone-static";
meta.maintainers = with pkgs.lib.maintainers; [ lheckemann ];
machine.time.timeZone = "Europe/Amsterdam";
testScript = ''
$machine->waitForUnit("dbus.socket");
$machine->fail("timedatectl set-timezone Asia/Tokyo");
my @dateResult = $machine->execute('date -d @0 "+%Y-%m-%d %H:%M:%S"');
$dateResult[1] eq "1970-01-01 01:00:00\n" or die "Timezone seems to be wrong";
'';
});
timezone-imperative = import ./make-test.nix ({ pkgs, ... }: {
name = "timezone-imperative";
meta.maintainers = with pkgs.lib.maintainers; [ lheckemann ];
machine.time.timeZone = null;
testScript = ''
$machine->waitForUnit("dbus.socket");
# Should default to UTC
my @dateResult = $machine->execute('date -d @0 "+%Y-%m-%d %H:%M:%S"');
print $dateResult[1];
$dateResult[1] eq "1970-01-01 00:00:00\n" or die "Timezone seems to be wrong";
$machine->succeed("timedatectl set-timezone Asia/Tokyo");
# Adjustment should be taken into account
my @dateResult = $machine->execute('date -d @0 "+%Y-%m-%d %H:%M:%S"');
print $dateResult[1];
$dateResult[1] eq "1970-01-01 09:00:00\n" or die "Timezone was not adjusted";
# Adjustment should persist across a reboot
$machine->shutdown;
$machine->waitForUnit("dbus.socket");
my @dateResult = $machine->execute('date -d @0 "+%Y-%m-%d %H:%M:%S"');
print $dateResult[1];
$dateResult[1] eq "1970-01-01 09:00:00\n" or die "Timezone adjustment was not persisted";
'';
});
}