116 lines
3.1 KiB
Nix
116 lines
3.1 KiB
Nix
{ config, pkgs, lib, ... } :
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let
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inherit (pkgs) serviceFns;
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svc = config.system.service;
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inherit (pkgs.pseudofile) dir symlink;
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inherit (pkgs.liminix.services) oneshot longrun bundle target;
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some-util-linux = pkgs.runCommand "some-util-linux" {} ''
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mkdir -p $out/bin
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cd ${pkgs.util-linux-small}/bin
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cp fdisk sfdisk mkswap $out/bin
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'';
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in rec {
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imports = [
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../modules/network
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../modules/ssh
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../modules/usb.nix
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../modules/schnapps
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../modules/outputs/mtdimage.nix
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../modules/outputs/mbrimage.nix
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../modules/outputs/tftpboot.nix
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../modules/outputs/ubifs.nix
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../modules/outputs/ubimage.nix
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../modules/outputs/jffs2.nix
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../modules/outputs/ext4fs.nix
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../modules/outputs/extlinux.nix
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];
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kernel.config = {
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BTRFS_FS = "y";
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};
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boot.tftp = {
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ipaddr = "10.0.0.8"; # my address
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serverip = "10.0.0.1"; # build machine or other tftp server
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freeSpaceBytes = 1024 * 1024 * 4;
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};
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boot.loader.extlinux.enable = true;
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hostname = "liminix-recovery";
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services.dhcpc = svc.network.dhcp.client.build {
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interface = config.hardware.networkInterfaces.lan2;
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# don't start DHCP until the hostname is configured,
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# so it can identify itself to the DHCP server
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dependencies = [ config.services.hostname ];
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};
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services.sshd = svc.ssh.build {
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dependencies = [ config.services.growfs ];
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};
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services.defaultroute4 = svc.network.route.build {
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via = "$(output ${services.dhcpc} router)";
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target = "default";
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dependencies = [services.dhcpc];
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};
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services.resolvconf = oneshot rec {
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dependencies = [ services.dhcpc ];
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name = "resolvconf";
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up = ''
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. ${serviceFns}
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( in_outputs ${name}
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for i in $(output ${services.dhcpc} dns); do
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echo "nameserver $i" > resolv.conf
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done
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)
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'';
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};
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services.growfs = let name = "growfs"; in oneshot {
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inherit name;
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up = ''
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. ${serviceFns}
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device=$(grep /persist /proc/1/mountinfo | cut -f9 -d' ')
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${pkgs.e2fsprogs}/bin/resize2fs $device
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'';
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};
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filesystem = dir {
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etc = dir {
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"resolv.conf" = symlink "${services.resolvconf}/.outputs/resolv.conf";
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};
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mnt = dir {};
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};
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rootfsType = "ext4";
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# sda is most likely correct for the boot-from-USB case. For tftp
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# it's overridden by the boot.scr anyway, so maybe it all works out
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hardware.rootDevice = lib.mkForce "/dev/sda1";
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users.root = {
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# the password is "secret". Use mkpasswd -m sha512crypt to
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# create this hashed password string
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passwd = "$6$y7WZ5hM6l5nriLmo$5AJlmzQZ6WA.7uBC7S8L4o19ESR28Dg25v64/vDvvCN01Ms9QoHeGByj8lGlJ4/b.dbwR9Hq2KXurSnLigt1W1";
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openssh.authorizedKeys.keys =
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let fromBuild =
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(builtins.readFile
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((builtins.toPath (builtins.getEnv "HOME")) + "/.ssh/authorized_keys")
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);
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in lib.splitString "\n" fromBuild;
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};
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defaultProfile.packages = with pkgs; [
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e2fsprogs # ext4
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btrfs-progs
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mtdutils # mtd, jffs2, ubifs
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dtc # you never know when you might need device tree stuff
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some-util-linux
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libubootenv # fw_{set,print}env
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pciutils
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];
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}
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