145 lines
4.1 KiB
Nix
145 lines
4.1 KiB
Nix
{ lib, pkgs, config, ...}:
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let
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inherit (lib) mkEnableOption mkOption types isDerivation hasAttr ;
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inherit (pkgs.pseudofile) dir symlink;
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# inherit (pkgs) busybox;
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inherit (pkgs.liminix.networking) address interface;
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inherit (pkgs.liminix.services) bundle;
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type_service = types.package // {
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name = "service";
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description = "s6-rc service";
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check = x: isDerivation x && hasAttr "serviceType" x;
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};
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in {
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options = {
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# analogous to nixos systemPackages, but we don't symlink into
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# /run/current-system, we just add the paths in /etc/profile
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defaultProfile = {
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packages = mkOption {
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type = types.listOf types.package;
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};
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};
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services = mkOption {
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type = types.attrsOf type_service;
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};
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filesystem = mkOption { type = types.anything; };
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kernel = {
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src = mkOption { type = types.package; } ;
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extraPatchPhase = mkOption {
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default = "true";
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type = types.lines;
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} ;
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config = mkOption {
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# mostly the values are y n or m, but sometimes
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# other strings are also used
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type = types.attrsOf types.nonEmptyStr;
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};
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};
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boot = {
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commandLine = mkOption {
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type = types.listOf types.nonEmptyStr;
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default = [];
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};
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tftp = {
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loadAddress = mkOption { type = types.str; };
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# These names match the uboot environment variables. I reserve
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# the right to change them if I think of better ones.
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ipaddr = mkOption { type = types.str; };
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serverip = mkOption { type = types.str; };
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enable = mkOption { type = types.boolean; };
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};
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};
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};
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config = {
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defaultProfile.packages = with pkgs;
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[ s6 s6-init-bin execline s6-linux-init s6-rc ];
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hardware.networkInterfaces = {
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lo =
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let iface = interface { type = "loopback"; device = "lo";};
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in bundle {
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name = "loopback";
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contents = [
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(address iface { family = "inet4"; address ="127.0.0.1"; prefixLength = 8;})
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(address iface { family = "inet6"; address ="::1"; prefixLength = 128;})
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];
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};
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};
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kernel = rec {
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config = {
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IKCONFIG = "y";
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IKCONFIG_PROC = "y";
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PROC_FS = "y";
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MODULES = "y";
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MODULE_SIG = "y";
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DEBUG_FS = "y";
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# basic networking protocols
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NET = "y";
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UNIX = "y";
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INET = "y";
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IPV6 = "y";
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PACKET = "y"; # for ppp, tcpdump ...
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SYSVIPC= "y";
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# s6-linux-init mounts this on /dev
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DEVTMPFS = "y";
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# some or all of these may be fix for "tmpfs: Unknown parameter 'mode'" error
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TMPFS = "y";
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TMPFS_POSIX_ACL = "y";
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TMPFS_XATTR = "y";
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FW_LOADER = "y";
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FW_LOADER_COMPRESS = "y";
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# We don't have a user helper, so we get multiple 60s pauses
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# at boot time unless we disable trying to call it.
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# https://lkml.org/lkml/2013/8/5/175
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FW_LOADER_USER_HELPER = "n";
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};
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};
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boot.commandLine = [
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"console=ttyS0,115200 panic=10 oops=panic init=/bin/init loglevel=8 rootfstype=squashfs"
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"fw_devlink=off"
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];
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users.root = {
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uid = 0; gid= 0; gecos = "Root of all evaluation";
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dir = "/";
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passwd = lib.mkDefault "";
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shell = "/bin/sh";
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};
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groups = {
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root = {
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gid = 0; usernames = ["root"];
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};
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system = {
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gid = 1; usernames = ["root"];
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};
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};
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filesystem = dir {
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dev =
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let node = type: major: minor: mode : { inherit type major minor mode; };
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in dir {
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null = node "c" "1" "3" "0666";
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zero = node "c" "1" "5" "0666";
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tty = node "c" "5" "0" "0666";
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console = node "c" "5" "1" "0600";
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pts = dir {};
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};
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etc = dir {
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profile = symlink
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(pkgs.writeScript ".profile" ''
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PATH=${lib.makeBinPath config.defaultProfile.packages}:/bin
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export PATH
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'');
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};
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proc = dir {};
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run = dir {};
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sys = dir {};
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};
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};
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}
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