137 lines
4.1 KiB
Nix
137 lines
4.1 KiB
Nix
# Edit this configuration file to define what should be installed on
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# your system. Help is available in the configuration.nix(5) man page
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# and in the NixOS manual (accessible by running ‘nixos-help’).
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{
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config,
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pkgs,
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lib,
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...
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}: let
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psCfg = config.pub-solar;
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in {
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imports = [
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# Include the results of the hardware scan.
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./hardware-configuration.nix
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];
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boot.loader.systemd-boot.enable = true;
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boot.loader.efi.canTouchEfiVariables = true;
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boot.kernelParams = [
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"boot.shell_on_fail=1"
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"ip=135.181.179.123::135.181.179.65:255.255.255.192:nougat-2.b12f.io::off"
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];
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networking.hostName = "nougat-2";
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# The mdadm RAID1s were created with 'mdadm --create ... --homehost=hetzner',
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# but the hostname for each machine may be different, and mdadm's HOMEHOST
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# setting defaults to '<system>' (using the system hostname).
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# This results mdadm considering such disks as "foreign" as opposed to
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# "local", and showing them as e.g. '/dev/md/hetzner:root0'
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# instead of '/dev/md/root0'.
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# This is mdadm's protection against accidentally putting a RAID disk
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# into the wrong machine and corrupting data by accidental sync, see
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# https://bugzilla.redhat.com/show_bug.cgi?id=606481#c14 and onward.
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# We do not worry about plugging disks into the wrong machine because
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# we will never exchange disks between machines, so we tell mdadm to
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# ignore the homehost entirely.
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environment.etc."mdadm.conf".text = ''
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HOMEHOST <ignore>
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ARRAY /dev/md/SSD metadata=1.2 name=nixos:SSD UUID=f8189c09:cb247cc7:22b79b5f:df888705
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ARRAY /dev/md/HDD metadata=1.2 name=nixos:HDD UUID=85ed8a8e:9ddc5f09:c6ef6110:c00728fa
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'';
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# The RAIDs are assembled in stage1, so we need to make the config
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# available there.
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boot.initrd.services.swraid.enable = true;
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boot.initrd.services.swraid.mdadmConf = config.environment.etc."mdadm.conf".text;
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boot.initrd.network.enable = true;
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boot.initrd.network.ssh = {
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enable = true;
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port = 22;
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authorizedKeys =
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if psCfg.user.publicKeys != null
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then psCfg.user.publicKeys
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else [];
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hostKeys = ["/etc/secrets/initrd/ssh_host_ed25519_key"];
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};
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# Network (Hetzner uses static IP assignments, and we don't use DHCP here)
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networking.useDHCP = false;
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networking.interfaces."enp0s31f6".ipv4.addresses = [
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{
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address = "135.181.179.123";
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prefixLength = 26;
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}
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];
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networking.defaultGateway = "135.181.179.65";
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networking.interfaces."enp0s31f6".ipv6.addresses = [
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{
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address = "2a01:4f9:3a:2170::1";
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prefixLength = 64;
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}
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];
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networking.defaultGateway6 = {
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address = "fe80::1";
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interface = "enp0s31f6";
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};
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networking.nameservers = ["1.1.1.1"];
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# Initial empty root password for easy login:
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users.users.root.initialHashedPassword = "";
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users.users.root.openssh.authorizedKeys.keys =
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if psCfg.user.publicKeys != null
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then psCfg.user.publicKeys
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else [];
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users.users.hakkonaut = {
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home = "/home/hakkonaut";
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description = "CI and automation user";
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useDefaultShell = true;
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group = "hakkonaut";
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isSystemUser = true;
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openssh.authorizedKeys.keys = [
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"ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGP5MvCwNRtCcP1pSDrn0XZTNlpOqYnjHDm9/OI4hECW hakkonaut@flora-6"
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];
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};
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users.groups.hakkonaut = {};
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ids.uids.hakkonaut = 998;
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ids.gids.hakkonaut = 998;
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services.openssh.enable = true;
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services.openssh.settings.PermitRootLogin = "prohibit-password";
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pub-solar.core.disk-encryption-active = false;
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pub-solar.core.lite = true;
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virtualisation = {
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docker = {
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enable = true;
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};
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oci-containers = {
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backend = "docker";
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};
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};
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security.sudo.extraRules = [
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{
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users = ["${psCfg.user.name}"];
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commands = [
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{
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command = "ALL";
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options = ["NOPASSWD"];
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}
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];
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}
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];
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# This value determines the NixOS release with which your system is to be
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# compatible, in order to avoid breaking some software such as database
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# servers. You should change this only after NixOS release notes say you
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# should.
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system.stateVersion = "23.05"; # Did you read the comment?
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}
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