{pkgs, mkOption}:
{
time = {
timeZone = mkOption {
default = "CET";
example = "America/New_York";
description = "The time zone used when displaying times and dates.";
};
};
boot = {
autoDetectRootDevice = mkOption {
default = false;
description = "
Whether to find the root device automatically by searching for a
device with the right label. If this option is off, then a root
file system must be specified using .
";
};
readOnlyRoot = mkOption {
default = false;
description = "
Whether the root device is read-only. This should be set when
booting from CD-ROM.
";
};
rootLabel = mkOption {
description = "
When auto-detecting the root device (see
), this option
specifies the label of the root device. Right now, this is
merely a file name that should exist in the root directory of
the file system. It is used to find the boot CD-ROM.
";
};
grubDevice = mkOption {
default = "";
example = "/dev/hda";
description = "
The device on which the boot loader, Grub, will be installed.
If empty, Grub won't be installed and it's your responsibility
to make the system bootable.
";
};
kernel = mkOption {
default = pkgs: pkgs.kernel;
description = "
Function that takes package collection and returns kernel
package. Do not collect old generations after changing it
until you get to boot successfully. In principle, you can
specify a kernel that will build, but not boot.
";
};
configurationName = mkOption {
default = "";
example = "Stable 2.6.21";
description = "
Grub entry name instead of default.
";
};
kernelParams = mkOption {
default = [
"selinux=0"
"apm=on"
"acpi=on"
"vga=0x317"
"console=tty1"
"splash=verbose"
];
description = "
The kernel parameters. If you want to add additional
parameters, it's best to set
.
";
};
extraKernelParams = mkOption {
default = [
];
example = [
"debugtrace"
];
description = "
Additional user-defined kernel parameters.
";
};
hardwareScan = mkOption {
default = true;
description = "
Whether to try to load kernel modules for all detected hardware.
Usually this does a good job of providing you with the modules
you need, but sometimes it can crash the system or cause other
nasty effects. If the hardware scan is turned on, it can be
disabled at boot time by adding the safemode
parameter to the kernel command line.
";
};
kernelModules = mkOption {
default = [];
description = "
The set of kernel modules to be loaded in the second stage of
the boot process. That is, these modules are not included in
the initial ramdisk, so they'd better not be required for
mounting the root file system. Add them to
if they are.
";
};
initrd = {
kernelModules = mkOption {
default = [
"ahci"
"ata_piix"
"pata_marvell"
"sd_mod"
"sr_mod"
"ide-cd"
"ide-disk"
"ide-generic"
"ext3"
# Support USB keyboards, in case the boot fails and we only have
# a USB keyboard.
"ehci_hcd"
"ohci_hcd"
"usbhid"
];
description = "
The set of kernel modules in the initial ramdisk used during the
boot process. This set must include all modules necessary for
mounting the root device. That is, it should include modules
for the physical device (e.g., SCSI drivers) and for the file
system (e.g., ext3). The set specified here is automatically
closed under the module dependency relation, i.e., all
dependencies of the modules list here are included
automatically. If you want to add additional
modules, it's best to set
.
";
};
extraKernelModules = mkOption {
default = [];
description = "
Additional kernel modules for the initial ramdisk. These are
loaded before the modules listed in
, so they take
precedence.
";
};
lvm = mkOption {
default = false;
description = "
Whether to include lvm in the initial ramdisk. You should use this option
if your ROOT device is on lvm volume.
";
};
enableSplashScreen = mkOption {
default = true;
description = "
Whether to show a nice splash screen while booting.
";
};
};
copyKernels = mkOption {
default = false;
description = "
Whether the Grub menu builder should copy kernels and initial
ramdisks to /boot. This is necessary when /nix is on a
different file system than /boot.
";
};
localCommands = mkOption {
default = "";
example = "text=anything; echo You can put $text here.";
description = "
Shell commands to be executed just before Upstart is started.
";
};
extraGrubEntries = mkOption {
default = "";
example = "
title Windows
chainloader (hd0,1)+1
";
description = "
Any additional entries you want added to the Grub boot menu.
";
};
};
networking = {
hostName = mkOption {
default = "nixos";
description = "
The name of the machine. Leave it empty if you want to obtain
it from a DHCP server (if using DHCP).
";
};
extraHosts = mkOption {
default = "";
example = "192.168.0.1 lanlocalhost";
description = "Pasted verbatim into /etc/hosts.";
};
useDHCP = mkOption {
default = true;
description = "
Whether to use DHCP to obtain an IP adress and other
configuration for all network interfaces that are not manually
configured.
";
};
interfaces = mkOption {
default = [];
example = [
{ name = "eth0";
ipAddress = "131.211.84.78";
subnetMask = "255.255.255.128";
}
];
description = "
The configuration for each network interface. If
is true, then each interface
not listed here will be configured using DHCP.
";
};
defaultGateway = mkOption {
default = "";
example = "131.211.84.1";
description = "
The default gateway. It can be left empty if it is auto-detected through DHCP.
";
};
nameservers = mkOption {
default = [];
example = ["130.161.158.4" "130.161.33.17"];
description = "
The list of nameservers. It can be left empty if it is auto-detected through DHCP.
";
};
domain = mkOption {
default = "";
example = "home";
description = "
The domain. It can be left empty if it is auto-detected through DHCP.
";
};
enableIntel2200BGFirmware = mkOption {
default = false;
description = "
Turn on this option if you want firmware for the Intel
PRO/Wireless 2200BG to be loaded automatically. This is
required if you want to use this device. Intel requires you to
accept the license for this firmware, see
.
";
};
localCommands = mkOption {
default = "";
example = "text=anything; echo You can put $text here.";
description = "
Shell commands to be executed at the end of the
network-interfaces Upstart job. Note that if
you are using DHCP to obtain the network configuration,
interfaces may not be fully configured yet.
";
};
interfaceMonitor = {
enable = mkOption {
default = false;
description = "
If true, monitor Ethernet interfaces for
cables being plugged in or unplugged. When this occurs, the
dhclient service is restarted to
automatically obtain a new IP address. This is useful for
roaming users (laptops).
";
};
beep = mkOption {
default = false;
description = "
If true, beep when an Ethernet cable is
plugged in or unplugged.
";
};
};
defaultMailServer = {
directDelivery = mkOption {
default = false;
example = true;
description = "
Use the trivial Mail Transfer Agent (MTA)
ssmtp package to allow programs to send
e-mail. If you don't want to run a ``real'' MTA like
sendmail or postfix on
your machine, set this option to true, and
set the option
to the
host name of your preferred mail server.
";
};
hostName = mkOption {
example = "mail.example.org";
description = "
The host name of the default mail server to use to deliver
e-mail.
";
};
domain = mkOption {
default = "";
example = "example.org";
description = "
The domain from which mail will appear to be sent.
";
};
useTLS = mkOption {
default = false;
example = true;
description = "
Whether TLS should be used to connect to the default mail
server.
";
};
useSTARTTLS = mkOption {
default = false;
example = true;
description = "
Whether the STARTTLS should be used to connect to the default
mail server. (This is needed for TLS-capable mail servers
running on the default SMTP port 25.)
";
};
};
};
fileSystems = mkOption {
default = [];
example = [
{ mountPoint = "/";
device = "/dev/hda1";
}
{ mountPoint = "/data";
device = "/dev/hda2";
fsType = "ext3";
options = "data=journal";
}
{ mountPoint = "/bigdisk";
label = "bigdisk";
}
];
description = "
The file systems to be mounted. It must include an entry for
the root directory (mountPoint = \"/\") if
boot.autoDetectRootDevice is not set. Each
entry in the list is an attribute set with the following fields:
mountPoint, device,
fsType (a file system type recognised by
mount; defaults to
\"auto\"), and options
(the mount options passed to mount using the
flag; defaults to \"defaults\").
Instead of specifying device, you can also
specify a volume label (label) for file
systems that support it, such as ext2/ext3 (see mke2fs
-L).
";
};
swapDevices = mkOption {
default = [];
example = [
{ device = "/dev/hda7"; }
{ device = "/var/swapfile"; }
{ label = "bigswap"; }
];
description = "
The swap devices and swap files. These must have been
initialised using mkswap. Each element
should be an attribute set specifying either the path of the
swap device or file (device) or the label
of the swap device (label, see
mkswap -L). Using a label is
recommended.
";
};
services = {
extraJobs = mkOption {
default = [];
description = "
Additional Upstart jobs.
";
};
syslogd = {
tty = mkOption {
default = 10;
description = "
The tty device on which syslogd will print important log
messages.
";
};
};
ttyBackgrounds = {
enable = mkOption {
default = true;
description = "
Whether to enable graphical backgrounds for the virtual consoles.
";
};
defaultTheme = mkOption {
default = pkgs.fetchurl {
#url = http://www.bootsplash.de/files/themes/Theme-BabyTux.tar.bz2;
url = http://www.mirrorservice.org/sites/www.ibiblio.org/gentoo/distfiles/Theme-BabyTux.tar.bz2;
md5 = "a6d89d1c1cff3b6a08e2f526f2eab4e0";
};
description = "
The default theme for the virtual consoles. Themes can be found
at .
";
};
defaultSpecificThemes = mkOption {
default = [
/*
{ tty = 6;
theme = pkgs.fetchurl { # Yeah!
url = http://www.bootsplash.de/files/themes/Theme-Pativo.tar.bz2;
md5 = "9e13beaaadf88d43a5293e7ab757d569";
};
}
*/
{ tty = 10;
theme = pkgs.fetchurl {
#url = http://www.bootsplash.de/files/themes/Theme-GNU.tar.bz2;
url = http://www.mirrorservice.org/sites/www.ibiblio.org/gentoo/distfiles/Theme-GNU.tar.bz2;
md5 = "61969309d23c631e57b0a311102ef034";
};
}
];
description = "
This option sets specific themes for virtual consoles. If you
just want to set themes for additional consoles, use
.
";
};
specificThemes = mkOption {
default = [
];
description = "
This option allows you to set specific themes for virtual
consoles.
";
};
};
mingetty = {
ttys = mkOption {
default = [1 2 3 4 5 6];
description = "
The list of tty (virtual console) devices on which to start a
login prompt.
";
};
waitOnMounts = mkOption {
default = false;
description = "
Whether the login prompts on the virtual consoles will be
started before or after all file systems have been mounted. By
default we don't wait, but if for example your /home is on a
separate partition, you may want to turn this on.
";
};
};
dhcpd = {
enable = mkOption {
default = false;
description = "
Whether to enable the DHCP server.
";
};
extraConfig = mkOption {
default = "";
example = "
option subnet-mask 255.255.255.0;
option broadcast-address 192.168.1.255;
option routers 192.168.1.5;
option domain-name-servers 130.161.158.4, 130.161.33.17, 130.161.180.1;
option domain-name \"example.org\";
subnet 192.168.1.0 netmask 255.255.255.0 {
range 192.168.1.100 192.168.1.200;
}
";
description = "
Extra text to be appended to the DHCP server configuration
file. Currently, you almost certainly need to specify
something here, such as the options specifying the subnet
mask, DNS servers, etc.
";
};
configFile = mkOption {
default = null;
description = "
The path of the DHCP server configuration file. If no file
is specified, a file is generated using the other options.
";
};
interfaces = mkOption {
default = ["eth0"];
description = "
The interfaces on which the DHCP server should listen.
";
};
machines = mkOption {
default = [];
example = [
{ hostName = "foo";
ethernetAddress = "00:16:76:9a:32:1d";
ipAddress = "192.168.1.10";
}
{ hostName = "bar";
ethernetAddress = "00:19:d1:1d:c4:9a";
ipAddress = "192.168.1.11";
}
];
};
};
sshd = {
enable = mkOption {
default = false;
description = "
Whether to enable the Secure Shell daemon, which allows secure
remote logins.
";
};
forwardX11 = mkOption {
default = true;
description = "
Whether to enable sshd to forward X11 connections.
";
};
allowSFTP = mkOption {
default = true;
description = "
Whether to enable the SFTP subsystem in the SSH daemon. This
enables the use of commands such as sftp and
sshfs.
";
};
};
ntp = {
enable = mkOption {
default = true;
description = "
Whether to synchronise your machine's time using the NTP
protocol.
";
};
servers = mkOption {
default = [
"0.pool.ntp.org"
"1.pool.ntp.org"
"2.pool.ntp.org"
];
description = "
The set of NTP servers from which to synchronise.
";
};
};
xserver = {
enable = mkOption {
default = false;
description = "
Whether to enable the X server.
";
};
tcpEnable = mkOption {
default = false;
description = "
Whether to enable TCP socket for the X server.
";
};
resolutions = mkOption {
default = [{x = 1024; y = 768;} {x = 800; y = 600;} {x = 640; y = 480;}];
description = "
The screen resolutions for the X server. The first element is the default resolution.
";
};
videoDriver = mkOption {
default = "vesa";
example = "i810";
description = "
The name of the video driver for your graphics card.
";
};
driSupport = mkOption {
default = false;
description = "
Whether to enable accelerated OpenGL rendering through the
Direct Rendering Interface (DRI).
";
};
sessionType = mkOption {
default = "gnome";
example = "xterm";
description = "
The kind of session to start after login. Current possibilies
are kde (which starts KDE),
gnome (which starts
gnome-terminal) and xterm
(which starts xterm).
";
};
windowManager = mkOption {
default = "";
description = "
This option selects the window manager. Available values are
twm (extremely primitive),
metacity, and compiz. If
left empty, the determines the
window manager, e.g., Metacity for Gnome, and
kwm for KDE.
";
};
renderingFlag = mkOption {
default = "";
example = "--indirect-rendering";
description = "
Possibly pass --indierct-rendering to Compiz.
";
};
sessionStarter = mkOption {
example = "${pkgs.xterm}/bin/xterm -ls";
description = "
The command executed after login and after the window manager
has been started. Used if
is not empty.
";
};
startSSHAgent = mkOption {
default = true;
description = "
Whether to start the SSH agent when you log in. The SSH agent
remembers private keys for you so that you don't have to type in
passphrases every time you make an SSH connection. Use
ssh-add to add a key to the agent.
";
};
slim = {
theme = mkOption {
default = null;
example = pkgs.fetchurl {
url = http://download.berlios.de/slim/slim-wave.tar.gz;
sha256 = "0ndr419i5myzcylvxb89m9grl2xyq6fbnyc3lkd711mzlmnnfxdy";
};
description = "
The theme for the SLiM login manager. If not specified, SLiM's
default theme is used. See for a
collection of themes.
";
};
};
isClone = mkOption {
default = "on";
example = "off";
description = "
Whether to enable the X server clone mode for dual-head.
";
};
isSynaptics = mkOption {
default = false;
example = true;
description = "
Whether to replace mouse with touchpad.
";
};
devSynaptics = mkOption {
default = "/dev/input/event0";
description = "
Event device for Synaptics touchpad.
";
};
layout = mkOption {
default = "us";
description = "
Keyboard layout.
";
};
xkbOptions = mkOption {
default = "";
example = "grp:caps_toggle, grp_led:scroll";
description = "
X keyboard options; layout switching goes here.
";
};
useInternalAGPGART = mkOption {
default = "";
example = "no";
description = "
Just the wrapper for an xorg.conf option.
";
};
extraDeviceConfig = mkOption {
default = "";
example = "VideoRAM 131072";
description = "
Just anything to add into Device section.
";
};
extraMonitorSettings = mkOption {
default = "";
example = "HorizSync 28-49";
description = "
Just anything to add into Monitor section.
";
};
extraModules = mkOption {
default = "";
example = "
SubSection \"extmod\"
EndSubsection
";
description = "
Just anything to add into Modules section.
";
};
serverLayoutOptions = mkOption {
default = "";
example = "
Option \"AIGLX\" \"true\"
";
description = "
Just anything to add into Monitor section.
";
};
defaultDepth = mkOption {
default = 24;
example = 8;
description = "
Default colour depth.
";
};
};
httpd = {
enable = mkOption {
default = false;
description = "
Whether to enable the Apache httpd server.
";
};
user = mkOption {
default = "wwwrun";
description = "
User account under which httpd runs. The account is created
automatically if it doesn't exist.
";
};
group = mkOption {
default = "wwwrun";
description = "
Group under which httpd runs. The account is created
automatically if it doesn't exist.
";
};
hostName = mkOption {
default = "localhost";
description = "
Canonical hostname for the server.
";
};
httpPort = mkOption {
default = 80;
description = "
Port for unencrypted HTTP requests.
";
};
httpsPort = mkOption {
default = 443;
description = "
Port for encrypted HTTP requests.
";
};
enableSSL = mkOption {
default = false;
description = "
Whether to enable SSL (https) support.
";
};
adminAddr = mkOption {
example = "admin@example.org";
description = "
E-mail address of the server administrator.
";
};
logDir = mkOption {
default = "/var/log/httpd";
description = "
Directory for Apache's log files. It is created automatically.
";
};
stateDir = mkOption {
default = "/var/run/httpd";
description = "
Directory for Apache's transient runtime state (such as PID
files). It is created automatically. Note that the default,
/var/run/httpd, is deleted at boot time.
";
};
enableUserDir = mkOption {
default = false;
description = "
Whether to enable serving ~/public_html as
/~username.
";
};
documentRoot = mkOption {
default = null;
example = "/data/webserver/docs";
description = "
The path of Apache's document root directory. If left undefined,
an empty directory in the Nix store will be used as root.
";
};
servedDirs = mkOption {
default = [];
example = [
{ urlPath = "/nix";
dir = "/home/eelco/Dev/nix-homepage";
}
];
description = "
This option provides a simple way to serve static directories.
";
};
# !!! this is a mis-nomer, should be "extraConfig" or something.
extraDirectories = mkOption {
default = "";
example = "
Options FollowSymlinks
AllowOverride All
";
description = "
These lines go to httpd.conf verbatim. They will go after
directories and directory aliases defined by default.
";
};
mod_php = mkOption {
default = false;
description = "Whether to enable the PHP module.";
};
subservices = {
subversion = {
enable = mkOption {
default = false;
description = "
Whether to enable the Subversion subservice in the webserver.
";
};
notificationSender = mkOption {
default = "svn-server@example.org";
example = "svn-server@example.org";
description = "
The email address used in the Sender field of commit
notification messages sent by the Subversion subservice.
";
};
userCreationDomain = mkOption {
default = "example.org";
example = "example.org";
description = "
The domain from which user creation is allowed. A client can
only create a new user account if its IP address resolves to
this domain.
";
};
autoVersioning = mkOption {
default = false;
description = "
Whether you want the Subversion subservice to support
auto-versioning, which enables Subversion repositories to be
mounted as read/writable file systems on operating systems that
support WebDAV.
";
};
dataDir = mkOption {
default = "/no/such/path/exists";
description = "
Place to put SVN repository.
";
};
organization = {
name = mkOption {
default = null;
description = "
Name of the organization hosting the Subversion service.
";
};
url = mkOption {
default = null;
description = "
URL of the website of the organization hosting the Subversion service.
";
};
logo = mkOption {
default = null;
description = "
Logo the organization hosting the Subversion service.
";
};
};
};
};
extraSubservices = {
enable = mkOption {
default = false;
description = "
Whether to enable the extra subservices in the webserver.
";
};
services = mkOption {
default = [];
description = "
Extra subservices to enable in the webserver.
";
};
};
};
printing = {
enable = mkOption {
default = false;
description = "
Whether to enable printing support through the CUPS daemon.
";
};
};
dbus = {
enable = mkOption {
default = true;
description = "
Whether to start the D-Bus message bus daemon. It is required
by the HAL service.
";
};
};
hal = {
enable = mkOption {
default = true;
description = "
Whether to start the HAL daemon.
";
};
};
udev = {
addFirmware = mkOption {
default = [];
example = ["/mnt/big-storage/firmware/"];
description = "
To specify firmware that is not too spread to ensure
a package, or have an interactive process of extraction
and cannot be redistributed.
";
};
};
samba = {
enable = mkOption {
default = false;
description = "
Whether to enable the samba server. (to communicate with, and provide windows shares)
";
};
};
gw6c = {
enable = mkOption {
default = false;
description = "
Whether to enable Gateway6 client (IPv6 tunnel).
";
};
username = mkOption {
default = "";
description = "
Your Gateway6 login name, if any.
";
};
password = mkOption {
default = "";
description = "
Your Gateway6 password, if any.
";
};
server = mkOption {
default = "anon.freenet6.net";
example = "broker.freenet6.net";
description = "
Used Gateway6 server.
";
};
keepAlive = mkOption {
default = "30";
example = "2";
description = "
Gateway6 keep-alive period.
";
};
everPing = mkOption {
default = "1000000";
example = "2";
description = "
Gateway6 manual ping period.
";
};
};
ircdHybrid = {
enable = mkOption {
default = false;
description = "
Enable IRCD.
";
};
serverName = mkOption {
default = "hades.arpa";
description = "
IRCD server name.
";
};
sid = mkOption {
default = "0NL";
description = "
IRCD server unique ID in a net of servers.
";
};
description = mkOption {
default = "Hybrid-7 IRC server.";
description = "
IRCD server description.
";
};
rsaKey = mkOption {
default = null;
example = /root/certificates/irc.key;
description = "
IRCD server RSA key.
";
};
certificate = mkOption {
default = null;
example = /root/certificates/irc.pem;
description = "
IRCD server SSL certificate. There are some limitations - read manual.
";
};
adminEmail = mkOption {
default = "";
example = "";
description = "
IRCD server administrator e-mail.
";
};
extraIPs = mkOption {
default = [];
example = ["127.0.0.1"];
description = "
Extra IP's to bind.
";
};
extraPort = mkOption {
default = "7117";
description = "
Extra port to avoid filtering.
";
};
};
xfs = {
enable = mkOption {
default = false;
description = "
Whether to enable the X Font Server.
";
};
};
nagios = {
enable = mkOption {
default = false;
description = "
Whether to use Nagios to monitor
your system or network.
";
};
objectDefs = mkOption {
description = "
A list of Nagios object configuration files that must define
the hosts, host groups, services and contacts for the
network that you want Nagios to monitor.
";
};
plugins = mkOption {
default = [pkgs.nagiosPluginsOfficial pkgs.ssmtp];
description = "
Packages to be added to the Nagios PATH.
Typically used to add plugins, but can be anything.
";
};
enableWebInterface = mkOption {
default = false;
description = "
Whether to enable the Nagios web interface. You should also
enable Apache ().
";
};
urlPath = mkOption {
default = "/nagios";
description = "
The URL path under which the Nagios web interface appears.
That is, you can access the Nagios web interface through
http://server/urlPath.
";
};
};
postgresql = {
enable = mkOption {
default = false;
description = "
Whether to run PostgreSQL.
";
};
port = mkOption {
default = "5432";
description = "
Port for PostgreSQL.
";
};
logDir = mkOption {
default = "/var/log/postgresql";
description = "
Log directory for PostgreSQL.
";
};
dataDir = mkOption {
default = "/var/db/postgresql";
description = "
Data directory for PostgreSQL.
";
};
subServices = mkOption {
default = [];
description = "
Subservices list. As it is already implememnted,
here is an interface...
";
};
allowedHosts = mkOption {
default = [];
description = "
Hosts (except localhost), who you allow to connect.
";
};
authMethod = mkOption {
default = " ident sameuser ";
description = "
How to authorize users.
Note: ident needs absolute trust to all allowed client hosts.";
};
};
};
installer = {
nixpkgsURL = mkOption {
default = "";
example = http://nix.cs.uu.nl/dist/nix/nixpkgs-0.11pre7577;
description = "
URL of the Nixpkgs distribution to use when building the
installation CD.
";
};
manifests = mkOption {
default = [http://nix.cs.uu.nl/dist/nix/channels-v3/nixpkgs-unstable/MANIFEST];
example =
[ http://nix.cs.uu.nl/dist/nix/channels-v3/nixpkgs-unstable/MANIFEST
http://nix.cs.uu.nl/dist/nix/channels-v3/nixpkgs-stable/MANIFEST
];
description = "
URLs of manifests to be downloaded when you run
nixos-rebuild to speed up builds.
";
};
};
nix = {
maxJobs = mkOption {
default = 1;
example = 2;
description = "
This option defines the maximum number of jobs that Nix will try
to build in parallel. The default is 1. You should generally
set it to the number of CPUs in your system (e.g., 2 on a Athlon
64 X2).
";
};
useChroot = mkOption {
default = false;
example = true;
description = "
If set, Nix will perform builds in a chroot-environment that it
will set up automatically for each build. This prevents
impurities in builds by disallowing access to dependencies
outside of the Nix store.
";
};
extraOptions = mkOption {
default = "";
example = "
gc-keep-outputs = true
gc-keep-derivations = true
";
description = "
This option allows to append lines to nix.conf.
";
};
distributedBuilds = mkOption {
default = false;
description = "
Whether to distribute builds to the machines listed in
.
";
};
buildMachines = mkOption {
example = [
{ hostName = "voila.labs.cs.uu.nl";
sshUser = "nix";
sshKey = "/root/.ssh/id_buildfarm";
system = "powerpc-darwin";
maxJobs = 1;
}
{ hostName = "linux64.example.org";
sshUser = "buildfarm";
sshKey = "/root/.ssh/id_buildfarm";
system = "x86_64-linux";
maxJobs = 2;
}
];
description = "
This option lists the machines to be used if distributed
builds are enabled (see
). Nix will perform
derivations on those machines via SSh by copying the inputs to
the Nix store on the remote machine, starting the build, then
copying the output back to the local Nix store. Each element
of the list should be an attribute set containing the
machine's host name (hostname), the user
name to be used for the SSH connection
(sshUser), the Nix system type
(system, e.g.,
\"i686-linux\"), the maximum number of jobs
to be run in parallel on that machine
(maxJobs), and the path to the SSH private
key to be used to connect (sshKey). The
SSH private key should not have a passphrase, and the
corresponding public key should be added to
~sshUser/authorized_keys
on the remote machine.
";
};
};
security = {
setuidPrograms = mkOption {
default = ["passwd" "su" "crontab" "ping" "ping6"];
description = "
Only the programs listed here will be made setuid root (through
a wrapper program). It's better to set
.
";
};
extraSetuidPrograms = mkOption {
default = [];
example = ["fusermount"];
description = "
This option lists additional programs that must be made setuid
root.
";
};
sudo = {
enable = mkOption {
default = true;
description = "
Whether to enable the sudo command, which
allows non-root users to execute commands as root.
";
};
configFile = mkOption {
default = "
# WARNING: do not edit this file directly or with \"visudo\". Instead,
# edit the source file in /etc/nixos/nixos/etc/sudoers.
# \"root\" is allowed to do anything.
root ALL=(ALL) SETENV: ALL
# Users in the \"wheel\" group can do anything.
%wheel ALL=(ALL) SETENV: ALL
";
description = "
This string contains the contents of the
sudoers file. If syntax errors are
detected in this file, the NixOS configuration will fail to
build.
";
};
};
};
users = {
extraUsers = mkOption {
default = [];
example = [
{ name = "alice";
uid = 1234;
description = "Alice";
home = "/home/alice";
createHome = true;
group = "users";
extraGroups = ["wheel"];
}
];
description = "
Additional user accounts to be created automatically by the system.
";
};
extraGroups = mkOption {
default = [];
example = [
{ name = "students";
gid = 1001;
}
];
description = "
Additional groups to be created automatically by the system.
";
};
ldap = {
enable = mkOption {
default = false;
description = "
Whether to enable authentication against an LDAP server.
";
};
server = mkOption {
example = "ldap://ldap.example.org/";
description = "
The URL of the LDAP server.
";
};
base = mkOption {
example = "dc=example,dc=org";
description = "
The distinguished name of the search base.
";
};
useTLS = mkOption {
default = false;
description = "
If enabled, use TLS (encryption) over an LDAP (port 389)
connection. The alternative is to specify an LDAPS server (port
636) in or to forego
security.
";
};
};
};
fonts = {
enableFontConfig = mkOption { # !!! should be enableFontconfig
default = true;
description = "
If enabled, a Fontconfig configuration file will be built
pointing to a set of default fonts. If you don't care about
running X11 applications or any other program that uses
Fontconfig, you can turn this option off and prevent a
dependency on all those fonts.
";
};
enableGhostscriptFonts = mkOption {
default = false;
description = "
Whether to add the fonts provided by Ghostscript (such as
various URW fonts and the ``Base-14'' Postscript fonts) to the
list of system fonts, making them available to X11
applications.
";
};
enableFontDir = mkOption {
default = false;
description = "
Whether to create a directory with links to all fonts in share -
so user can configure vncserver script one time (I mean per-user
vncserver, so global service is not a good solution).
";
};
extraFonts = mkOption {
default = pkgs: [];
description = "
Function, returning list of additional fonts.
";
};
};
sound = {
enable = mkOption {
default = true;
description = "
Whether to enable ALSA sound.
";
};
};
i18n = {
defaultLocale = mkOption {
default = "en_US.UTF-8";
example = "nl_NL.UTF-8";
description = "
The default locale. It determines the language for program
messages, the format for dates and times, sort order, and so on.
It also determines the character set, such as UTF-8.
";
};
consoleFont = mkOption {
default = "lat9w-16";
example = "LatArCyrHeb-16";
description = "
The font used for the virtual consoles. Leave empty to use
whatever the setfont program considers the
default font.
";
};
consoleKeyMap = mkOption {
default = "us";
example = "fr";
description = "
The keyboard mapping table for the virtual consoles.
";
};
};
environment = {
pathsToLink = mkOption {
default = ["/bin" "/sbin" "/share"];
example = ["/"];
description = "
This allows to symlink more directories in /var/run/current-system/sw
";
};
extraPackages = mkOption {
default = pkgs: [];
example = pkgs: [pkgs.firefox pkgs.thunderbird];
description = "
This option allows you to add additional packages to the system
path. These packages are automatically available to all users,
and they are automatically updated every time you rebuild the
system configuration. (The latter is the main difference with
installing them in the default profile,
/nix/var/nix/profiles/default. The value
of this option must be a function that returns a list of
packages. The function will be called with the Nix Packages
collection as its argument for convenience.
";
};
nix = mkOption {
default = pkgs: pkgs.nixUnstable;
example = pkgs: pkgs.nixCustomFun /root/nix.tar.gz;
description = "
Use non-default Nix easily. Be careful, though, not to break everything.
";
};
};
}