nixos/hosts/bootstrap/default.nix

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{ inputs, config, lib, pkgs, outputs,... }:
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let
pubKeys = lib.filesystem.listFilesRecursive (../common/users/keys);
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secretsDirectory = builtins.toString inputs.nix-secrets;
secretsFile = "${secretsDirectory}/secrets.yaml";
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# Disko setup
fsType = "btrfs";
dev = "/dev/vda";
encrypted = false;
btrfsMountDevice = "/dev/mapper/crypted";
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in
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{
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imports =
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[
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# Disk configuration
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inputs.sops-nix.nixosModules.sops
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# Disk configuration
inputs.disko.nixosModules.disko
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(import ../common/disks { device = dev; fsType = fsType; encrypted = encrypted; })
# Impermanence
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inputs.impermanence.nixosModules.impermanence
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(import ../common/disks/btrfs-impermanence.nix { btrfsMountDevice = btrfsMountDevice; lib = lib; })
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# Import core options
./hardware-configuration.nix
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];
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nixpkgs = {
overlays = [
outputs.overlays.additions
outputs.overlays.modifications
outputs.overlays.unstable-packages
];
config = {
allowUnfree = true;
};
};
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fileSystems."/persist".neededForBoot = true;
environment.persistence."/persist" = {
hideMounts = true;
directories = [
"/etc/nixos"
];
files = [
"/etc/ssh/ssh_host_ed25519_key"
"/etc/ssh/ssh_host_ed25519_key.pub"
"/etc/ssh/deploy_key-ssh-ed25519"
];
};
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i18n.defaultLocale = "en_GB.UTF-8";
console = {
font = "Lat2-Terminus16";
keyMap = "uk";
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useXkbConfig = false;
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};
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boot = {
loader = {
systemd-boot.enable = true;
efi.canTouchEfiVariables = true;
timeout = 3;
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};
};
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users = {
mutableUsers = true;
extraUsers = {
root = {
initialPassword = "1234";
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openssh.authorizedKeys.keys = lib.lists.forEach pubKeys (key: builtins.readFile key);
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};
};
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};
networking = {
hostName = "bootstrap";
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networkmanager.enable = true;
enableIPv6 = false;
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};
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sops = {
defaultSopsFile = "${secretsFile}";
validateSopsFiles = false;
age = {
sshKeyPaths = [ "/etc/ssh/ssh_host_ed25519_key" ];
};
secrets = {
"passwords/root".neededForUsers = true;
"ssh_keys/deploy_key/id_ed25519" = {
path = "/etc/ssh/deploy_key-ssh-ed25519";
};
};
};
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environment.systemPackages = [
pkgs.rsync
pkgs.curl
pkgs.just
pkgs.git
pkgs.neovim
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];
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services.openssh = {
enable = true;
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ports = [22];
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authorizedKeysFiles = lib.mkForce ["/etc/ssh/authorized_keys.d/%u"];
hostKeys = [{
path = "/persist/etc/ssh/ssh_host_ed25519_key";
type = "ed25519";
}];
settings = {
PasswordAuthentication = false;
PermitRootLogin = "yes";
PubKeyAuthentication = "yes";
StreamLocalBindUnlink = "yes";
UsePAM = true;
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};
};
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programs.ssh.extraConfig = ''
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Host git.bitlab21.com
IdentitiesOnly yes
StrictHostKeyChecking no
IdentityFile /etc/ssh/deploy_key-ssh-ed25519
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'';
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security.pam = {
sshAgentAuth.enable = true;
};
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networking.firewall.allowedTCPPorts = [ 22 ];
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services = {
qemuGuest.enable = true;
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};
nix.settings.experimental-features = [ "nix-command" "flakes" ];
}