88 lines
2.3 KiB
Nix
88 lines
2.3 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
let
|
|
hostname = config.instance.hostname;
|
|
host-cfg = config.fudo.hosts.${hostname};
|
|
ip = host-cfg.initrd-ip;
|
|
|
|
gen-host-keys = hostname: pkgs.stdenv.mkDerivation {
|
|
name = "${hostname}-initrd-ssh-keys";
|
|
|
|
phases = [ "installPhase" ];
|
|
|
|
buildInputs = with pkgs; [ openssh ];
|
|
|
|
installPhase = ''
|
|
mkdir $out
|
|
ssh-keygen -q -t ed25519 -N "" -f $out/ssh_host_ed25519_key
|
|
'';
|
|
};
|
|
|
|
gen-sshfp-records = host: key-pkg: pkgs.stdenv.mkDerivation {
|
|
name = "${hostname}-initrd-ssh-fingerprints";
|
|
|
|
phases = [ "installPhase" ];
|
|
|
|
buildInputs = with pkgs; [ openssh ];
|
|
|
|
installPhase = ''
|
|
mkdir $out
|
|
ssh-keygen -r REMOVEME -f "${key-pkg}/ssh_host_ed25519_key" | sed 's/^REMOVEME IN SSHFP //' >> $out/ssh_host_ed25519_key.sshfp
|
|
'';
|
|
};
|
|
|
|
host-keys = genAttrs (attrNames config.instance.local-hosts)
|
|
(hostname: gen-host-keys hostname);
|
|
|
|
in {
|
|
config = mkIf (ip != null) {
|
|
boot = {
|
|
kernelParams = [
|
|
"ip=${ip}"
|
|
];
|
|
initrd = let
|
|
host-key-pkg = host-keys.${config.instance.hostname};
|
|
host-privkey = builtins.toPath "${host-key-pkg}/ssh_host_ed25519_key";
|
|
in {
|
|
network = {
|
|
enable = true;
|
|
|
|
ssh = let
|
|
admin-ssh-keys =
|
|
concatMap (admin: config.fudo.users.${admin}.ssh-authorized-keys)
|
|
config.instance.local-admins;
|
|
in {
|
|
enable = true;
|
|
port = 22;
|
|
authorizedKeys = admin-ssh-keys;
|
|
hostKeys = [
|
|
(builtins.unsafeDiscardStringContext host-privkey)
|
|
];
|
|
};
|
|
};
|
|
};
|
|
};
|
|
|
|
fudo = {
|
|
local-network = {
|
|
network-definition.hosts = mapAttrs'
|
|
(hostname: hostOpts: nameValuePair "${hostname}-recovery"
|
|
{
|
|
ipv4-address = config.fudo.hosts.${hostname}.initrd-ip;
|
|
description = "${hostname} initrd host";
|
|
})
|
|
config.instance.local-hosts;
|
|
|
|
extra-records =
|
|
mapAttrs
|
|
(hostname: key-pkg: let
|
|
sshfp-pkg = gen-sshfp-records hostname key-pkg;
|
|
sshfps = read-lines "${sshfp-pkg}/ssh_host_ed25519_key.sshfp";
|
|
in map (sshfp: "${hostname} IN SSHFP ${sshfp}") sshfps)
|
|
host-keys;
|
|
};
|
|
};
|
|
};
|
|
}
|