nixos-config/nixos/components/network/sshd/known-hosts-bootup.nix

{ config, lib, pkgs, private_assets, ... }:
with lib;
let

  computers = {
    pepe = {
      onionId = fileContents "${private_assets}/onion_id_pepe";
      # SHA256:aOZbqpgc5CcTNtRAzjuG/0BQZ9MF5c9u/N+UC88y8kI
      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB5K4UHD8cIcXB33UiOj5vyXJj+4CyyiLFDMwcyad92a";
    };
    chungus = {
      onionId = fileContents "${private_assets}/onion_id_chungus";
      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHJpPfGAiARWgZbID+2IIT9dbo/PqgG/pkFsBaBUKGiu";
    };
  };

in
{

  config = mkIf (config.components.network.sshd.enable) {

    services.openssh.knownHosts = {
      "robi-init-ssh" = {
        hostNames = [
          "[robi]:2222"
          "[144.76.13.147]:2222"
        ];
        # SHA256:rhvbJ84cPXXezaoJiY7tFsG8CJxI2F/lLKz8q+xUW+g
        publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMKQ7XB6Cs9FJmHkuZ9ihbj76WsK0uJBh882ceyKaaKJ";
      };
    } // (mapAttrs'
      (name:
        { onionId, publicKey, ... }: {
          name = "${name}-init-ssh";
          value = {
            hostNames = [ "[${onionId}]:2222" ];
            inherit publicKey;
          };
        })
      computers);

    environment.systemPackages =
      let

        sshTor = mapAttrsToList
          (name:
            { onionId, ... }:
            pkgs.writers.writeDashBin "ssh-boot-to-${name}-via-tor" ''
              ${pkgs.tor}/bin/torify ${pkgs.openssh}/bin/ssh root@${onionId} -p 2222
            '')
          computers;

        passwordTor = mapAttrsToList
          (name:
            { onionId, ... }:
            pkgs.writers.writeDashBin "unlock-boot-${name}-via-tor" ''
              ${pkgs.tor}/bin/torify ${pkgs.openssh}/bin/ssh root@${onionId} -p 2222 '
              echo -n "enter password : "
              read password
              echo "$password" > /crypt-ramfs/passphrase
              '
            '')
          computers;

        unlockInit = mapAttrsToList
          (name:
            { public_ip, ... }:
            pkgs.writers.writeDashBin "unlock-boot-${name}" ''
              ${pkgs.openssh}/bin/ssh root@${public_ip} -p 2222 '
              echo -n "enter password : "
              read password
              echo "$password" | systemctl default
              '
            '')
          {
            orbi = {
              public_ip = "95.216.66.212";
            };
          };

      in
      sshTor ++ passwordTor ++ unlockInit;

  };
}