diff options
Diffstat (limited to 'nixos/modules/misc')
| -rw-r--r-- | nixos/modules/misc/assertions.nix | 37 | ||||
| -rw-r--r-- | nixos/modules/misc/check-config.nix | 13 | ||||
| -rw-r--r-- | nixos/modules/misc/crashdump.nix | 77 | ||||
| -rw-r--r-- | nixos/modules/misc/ids.nix | 201 | ||||
| -rw-r--r-- | nixos/modules/misc/lib.nix | 15 | ||||
| -rw-r--r-- | nixos/modules/misc/locate.nix | 62 | ||||
| -rw-r--r-- | nixos/modules/misc/nixpkgs.nix | 87 | ||||
| -rw-r--r-- | nixos/modules/misc/passthru.nix | 15 | ||||
| -rw-r--r-- | nixos/modules/misc/version.nix | 55 |
9 files changed, 562 insertions, 0 deletions
diff --git a/nixos/modules/misc/assertions.nix b/nixos/modules/misc/assertions.nix new file mode 100644 index 00000000000..9cd58550adc --- /dev/null +++ b/nixos/modules/misc/assertions.nix @@ -0,0 +1,37 @@ +{ config, pkgs, ... }: + +with pkgs.lib; + +let + + failed = map (x: x.message) (filter (x: !x.assertion) config.assertions); + +in + +{ + + options = { + + assertions = mkOption { + default = []; + example = [ { assertion = false; message = "you can't enable this for that reason"; } ]; + merge = pkgs.lib.mergeListOption; + description = '' + This option allows modules to express conditions that must + hold for the evaluation of the system configuration to + succeed, along with associated error messages for the user. + ''; + }; + + }; + + config = { + + # This option is evaluated always. Thus the assertions are checked as well. hacky! + environment.systemPackages = + if [] == failed then [] + else throw "\nFailed assertions:\n${concatStringsSep "\n" (map (x: "- ${x}") failed)}"; + + }; + +} diff --git a/nixos/modules/misc/check-config.nix b/nixos/modules/misc/check-config.nix new file mode 100644 index 00000000000..28f36ad9ae5 --- /dev/null +++ b/nixos/modules/misc/check-config.nix @@ -0,0 +1,13 @@ +{pkgs, ...}: + +{ + options = { + environment.checkConfigurationOptions = pkgs.lib.mkOption { + default = true; + example = false; + description = '' + Whether to check the validity of the entire configuration. + ''; + }; + }; +} diff --git a/nixos/modules/misc/crashdump.nix b/nixos/modules/misc/crashdump.nix new file mode 100644 index 00000000000..6e6bc9dec0f --- /dev/null +++ b/nixos/modules/misc/crashdump.nix @@ -0,0 +1,77 @@ +{pkgs, config, ...}: + +with pkgs.lib; + +let + crashdump = config.boot.crashDump; + + kernelParams = concatStringsSep " " crashdump.kernelParams; + +in +###### interface +{ + options = { + boot = { + crashDump = { + enable = mkOption { + default = false; + example = true; + description = '' + If enabled, NixOS will set up a kernel that will + boot on crash, and leave the user to a stage1 debug1devices + interactive shell to be able to save the crashed kernel dump. + It also activates the NMI watchdog. + ''; + }; + kernelPackages = mkOption { + default = pkgs.linuxPackages; + # We don't want to evaluate all of linuxPackages for the manual + # - some of it might not even evaluate correctly. + defaultText = "pkgs.linuxPackages"; + example = "pkgs.linuxPackages_2_6_25"; + description = '' + This will override the boot.kernelPackages, and will add some + kernel configuration parameters for the crash dump to work. + ''; + }; + kernelParams = mkOption { + default = [ "debug1devices" ]; + description = '' + Parameters that will be passed to the kernel kexec-ed on crash. + ''; + }; + }; + }; + }; + +###### implementation + + config = mkIf crashdump.enable { + boot = { + postBootCommands = '' + ${pkgs.kexectools}/sbin/kexec -p /run/current-system/kernel \ + --initrd=/run/current-system/initrd \ + --append="init=$(readlink -f /run/current-system/init) system=$(readlink -f /run/current-system) irqpoll maxcpus=1 reset_devices ${kernelParams}" --reset-vga --console-vga + ''; + kernelParams = [ + "crashkernel=64M" + "nmi_watchdog=panic" + "softlockup_panic=1" + "idle=poll" + ]; + kernelPackages = mkOverride 50 (crashdump.kernelPackages // { + kernel = crashdump.kernelPackages.kernel.override + (attrs: { + extraConfig = (optionalString (attrs ? extraConfig) attrs.extraConfig) + + '' + CRASH_DUMP y + DEBUG_INFO y + PROC_VMCORE y + LOCKUP_DETECTOR y + HARDLOCKUP_DETECTOR y + ''; + }); + }); + }; + }; +} diff --git a/nixos/modules/misc/ids.nix b/nixos/modules/misc/ids.nix new file mode 100644 index 00000000000..adaa2b0d9ae --- /dev/null +++ b/nixos/modules/misc/ids.nix @@ -0,0 +1,201 @@ +# This module defines the global list of uids and gids. We keep a +# central list to prevent id collisions. + +{ config, pkgs, ... }: + +{ + options = { + + ids.uids = pkgs.lib.mkOption { + description = '' + The user IDs used in NixOS. + ''; + }; + + ids.gids = pkgs.lib.mkOption { + description = '' + The group IDs used in NixOS. + ''; + }; + + }; + + + config = { + + ids.uids = { + root = 0; + nscd = 1; + sshd = 2; + ntp = 3; + messagebus = 4; # D-Bus + haldaemon = 5; + nagios = 6; + vsftpd = 7; + ftp = 8; + bitlbee = 9; + avahi = 10; + atd = 12; + zabbix = 13; + postfix = 14; + dovecot = 15; + tomcat = 16; + pulseaudio = 22; # must match `pulseaudio' GID + gpsd = 23; + polkituser = 28; + uptimed = 29; + ddclient = 30; + davfs2 = 31; + privoxy = 32; + osgi = 34; + tor = 35; + cups = 36; + foldingAtHome = 37; + sabnzbd = 38; + kdm = 39; + ghostOne = 40; + git = 41; + fourStore = 42; + fourStoreEndpoint = 43; + virtuoso = 44; + rtkit = 45; + dovecot2 = 46; + dovenull2 = 47; + unbound = 48; + prayer = 49; + mpd = 50; + clamav = 51; + fprot = 52; + bind = 53; + wwwrun = 54; + spamd = 56; + nslcd = 58; + nginx = 60; + chrony = 61; + smtpd = 63; + smtpq = 64; + supybot = 65; + iodined = 66; + graphite = 68; + statsd = 69; + transmission = 70; + postgres = 71; + smbguest = 74; + varnish = 75; + dd-agent = 76; + lighttpd = 77; + lightdm = 78; + freenet = 79; + ircd = 80; + bacula = 81; + almir = 82; + deluge = 83; + mysql = 84; + rabbitmq = 85; + activemq = 86; + gnunet = 87; + oidentd = 88; + quassel = 89; + amule = 90; + minidlna = 91; + elasticsearch = 92; + tcpcryptd = 93; # tcpcryptd uses a hard-coded uid. We patch it in Nixpkgs to match this choice. + zope2 = 94; + firebird = 95; + + # When adding a uid, make sure it doesn't match an existing gid. + + nixbld = 30000; # start of range of uids + nobody = 65534; + }; + + ids.gids = { + root = 0; + wheel = 1; + kmem = 2; + tty = 3; + messagebus = 4; # D-Bus + haldaemon = 5; + disk = 6; + vsftpd = 7; + ftp = 8; + bitlbee = 9; + avahi = 10; + atd = 12; + postfix = 13; + postdrop = 14; + dovecot = 15; + audio = 17; + floppy = 18; + uucp = 19; + lp = 20; + tomcat = 21; + pulseaudio = 22; # must match `pulseaudio' UID + gpsd = 23; + cdrom = 24; + tape = 25; + video = 26; + dialout = 27; + polkituser = 28; + utmp = 29; + davfs2 = 31; + privoxy = 32; + disnix = 33; + osgi = 34; + ghostOne = 40; + git = 41; + fourStore = 42; + fourStoreEndpoint = 43; + virtuoso = 44; + dovecot2 = 46; + prayer = 49; + mpd = 50; + clamav = 51; + fprot = 52; + wwwrun = 54; + adm = 55; + spamd = 56; + networkmanager = 57; + nslcd = 58; + scanner = 59; + nginx = 60; + systemd-journal = 62; + smtpd = 63; + smtpq = 64; + supybot = 65; + iodined = 66; + libvirtd = 67; + graphite = 68; + transmission = 70; + postgres = 71; + vboxusers = 72; + vboxsf = 73; + smbguest = 74; + varnish = 75; + dd-agent = 76; + lighttpd = 77; + lightdm = 78; + freenet = 79; + ircd = 80; + bacula = 81; + almir = 82; + deluge = 83; + mysql = 84; + rabbitmq = 85; + activemq = 86; + gnunet = 87; + oidentd = 88; + quassel = 89; + amule = 90; + minidlna = 91; + + # When adding a gid, make sure it doesn't match an existing uid. + + users = 100; + nixbld = 30000; + nogroup = 65534; + }; + + }; + +} diff --git a/nixos/modules/misc/lib.nix b/nixos/modules/misc/lib.nix new file mode 100644 index 00000000000..18fc68a6988 --- /dev/null +++ b/nixos/modules/misc/lib.nix @@ -0,0 +1,15 @@ +{ config, pkgs, ... }: + +{ + options = { + lib = pkgs.lib.mkOption { + default = {}; + + type = pkgs.lib.types.attrsOf pkgs.lib.types.attrs; + + description = '' + This option allows modules to define helper functions, constants, etc. + ''; + }; + }; +} diff --git a/nixos/modules/misc/locate.nix b/nixos/modules/misc/locate.nix new file mode 100644 index 00000000000..02b1ed7b63d --- /dev/null +++ b/nixos/modules/misc/locate.nix @@ -0,0 +1,62 @@ +{ config, pkgs, ... }: + +with pkgs.lib; + +let + + locatedb = "/var/cache/locatedb"; + +in + +{ + + ###### interface + + options = { + + services.locate = { + + enable = mkOption { + default = false; + example = true; + description = '' + If enabled, NixOS will periodically update the database of + files used by the <command>locate</command> command. + ''; + }; + + period = mkOption { + default = "15 02 * * *"; + description = '' + This option defines (in the format used by cron) when the + locate database is updated. + The default is to update at 02:15 (at night) every day. + ''; + }; + + }; + + }; + + ###### implementation + + config = { + + systemd.services.update-locatedb = + { description = "Update Locate Database"; + path = [ pkgs.su ]; + script = + '' + mkdir -m 0755 -p $(dirname ${locatedb}) + exec updatedb --localuser=nobody --output=${locatedb} --prunepaths='/tmp /var/tmp /media /run' + ''; + serviceConfig.Nice = 19; + serviceConfig.IOSchedulingClass = "idle"; + }; + + services.cron.systemCronJobs = optional config.services.locate.enable + "${config.services.locate.period} root ${config.systemd.package}/bin/systemctl start update-locatedb.service"; + + }; + +} diff --git a/nixos/modules/misc/nixpkgs.nix b/nixos/modules/misc/nixpkgs.nix new file mode 100644 index 00000000000..0df0e57c98e --- /dev/null +++ b/nixos/modules/misc/nixpkgs.nix @@ -0,0 +1,87 @@ +{ config, pkgs, ... }: + +with pkgs.lib; + +let + isConfig = x: + builtins.isAttrs x || builtins.isFunction x; + + optCall = f: x: + if builtins.isFunction f + then f x + else f; + + mergeConfig = lhs_: rhs_: + let + lhs = optCall lhs_ { inherit pkgs; }; + rhs = optCall rhs_ { inherit pkgs; }; + in + lhs // rhs // + optionalAttrs (lhs ? packageOverrides) { + packageOverrides = pkgs: + optCall lhs.packageOverrides pkgs // + optCall (attrByPath ["packageOverrides"] ({}) rhs) pkgs; + }; + + configType = mkOptionType { + name = "nixpkgs config"; + check = traceValIfNot isConfig; + merge = fold mergeConfig {}; + }; + +in + +{ + options = { + + nixpkgs.config = mkOption { + default = {}; + example = literalExample + '' + { firefox.enableGeckoMediaPlayer = true; + packageOverrides = pkgs: { + firefox60Pkgs = pkgs.firefox60Pkgs.override { + enableOfficialBranding = true; + }; + }; + } + ''; + type = configType; + description = '' + The configuration of the Nix Packages collection. (For + details, see the Nixpkgs documentation.) It allows you to set + package configuration options, and to override packages + globally through the <varname>packageOverrides</varname> + option. The latter is a function that takes as an argument + the <emphasis>original</emphasis> Nixpkgs, and must evaluate + to a set of new or overridden packages. + ''; + }; + + nixpkgs.system = mkOption { + default = pkgs.stdenv.system; + description = '' + Specifies the Nix platform type for which NixOS should be built. + If unset, it defaults to the platform type of your host system + (<literal>${builtins.currentSystem}</literal>). + Specifying this option is useful when doing distributed + multi-platform deployment, or when building virtual machines. + ''; + }; + + }; + + config = { + + # FIXME + nixpkgs.config.packageOverrides = pkgs: { + #udev = pkgs.systemd; + slim = pkgs.slim.override (args: if args ? consolekit then { consolekit = null; } else { }); + lvm2 = pkgs.lvm2.override { udev = pkgs.systemd; }; + upower = pkgs.upower.override { useSystemd = true; }; + polkit = pkgs.polkit.override { useSystemd = true; }; + consolekit = null; + }; + + }; +} diff --git a/nixos/modules/misc/passthru.nix b/nixos/modules/misc/passthru.nix new file mode 100644 index 00000000000..f68adc5e843 --- /dev/null +++ b/nixos/modules/misc/passthru.nix @@ -0,0 +1,15 @@ +# This module allows you to export something from configuration +# Use case: export kernel source expression for ease of configuring + +{ config, pkgs, ... }: + +{ + options = { + passthru = pkgs.lib.mkOption { + description = '' + This attribute set will be exported as a system attribute. + You can put whatever you want here. + ''; + }; + }; +} diff --git a/nixos/modules/misc/version.nix b/nixos/modules/misc/version.nix new file mode 100644 index 00000000000..20a03b44a2a --- /dev/null +++ b/nixos/modules/misc/version.nix @@ -0,0 +1,55 @@ +{ config, pkgs, ... }: + +with pkgs.lib; + +{ + + options = { + + system.nixosVersion = mkOption { + type = types.uniq types.string; + description = "NixOS version."; + }; + + system.nixosVersionSuffix = mkOption { + type = types.uniq types.string; + description = "NixOS version suffix."; + }; + + system.nixosCodeName = mkOption { + type = types.uniq types.string; + description = "NixOS release code name."; + }; + + }; + + config = { + + system.nixosVersion = + mkDefault (builtins.readFile ../../.version + config.system.nixosVersionSuffix); + + system.nixosVersionSuffix = + mkDefault (if builtins.pathExists ../../.version-suffix then builtins.readFile ../../.version-suffix else "pre-git"); + + # Note: code names must only increase in alphabetical order. + system.nixosCodeName = "Aardvark"; + + # Generate /etc/os-release. See + # http://0pointer.de/public/systemd-man/os-release.html for the + # format. + environment.etc = singleton + { source = pkgs.writeText "os-release" + '' + NAME=NixOS + ID=nixos + VERSION="${config.system.nixosVersion} (${config.system.nixosCodeName})" + VERSION_ID="${config.system.nixosVersion}" + PRETTY_NAME="NixOS ${config.system.nixosVersion} (${config.system.nixosCodeName})" + HOME_URL="http://nixos.org/" + ''; + target = "os-release"; + }; + + }; + +} |