# unpackPhase
# patchPhase
# configurePhase
# buildPhase
# checkPhase
# installPhase
# fixupPhase
# installCheckPhase
# distPhase
{
  config,
  lib,
  stdenv,
  writeShellScript,
  k8s,
  openssh,
  ...
}:
let
  vm_name_to_hostname =
    let
      mapping = {
        "nc0" = "controller0";
        "nc1" = "controller1";
        "nc2" = "controller2";
        "nw0" = "worker0";
        "nw1" = "worker1";
        "nw2" = "worker2";
      };
    in
    (vm_name: mapping."${vm_name}");

  deploy_script_body = (
    ''
      set -euo pipefail
      IFS=$'\n\t'
      DIR="$( cd "$( dirname "''${BASH_SOURCE[0]}" )" && pwd )"
    ''
    + (lib.concatMapStringsSep "\n" deploy_control_plane [
      "nc0"
      "nc1"
      "nc2"
    ])
    + (lib.concatMapStringsSep "\n" deploy_worker [
      "nw0"
      "nw1"
      "nw2"
    ])
  );
  deploy_script = (writeShellScript "deploy-script" deploy_script_body);
  deploy_file = (
    {
      dest_dir,
      file,
      name ? (builtins.baseNameOf file),
      owner,
      group,
      mode,
    }:
    ''
      ##
      ## deploy ${name} to ${dest_dir}
      ##
      ${openssh}/bin/ssh mrmanager doas rm -f ${dest_dir}/${name} ~/${name}
      ${openssh}/bin/scp ${file} mrmanager:~/${name}
      ${openssh}/bin/ssh mrmanager doas install -o ${toString owner} -g ${toString group} -m ${mode} ~/${name} ${dest_dir}/${name}
      ${openssh}/bin/ssh mrmanager doas rm -f ~/${name}


    ''
  );
  deploy_control_plane = (
    vm_name:
    (
      ''
        ##
        ## Create directories on ${vm_name}
        ##
        ${openssh}/bin/ssh mrmanager doas install -d -o 0 -g 0 -m 0755 /vm/${vm_name}/persist/keys
        ${openssh}/bin/ssh mrmanager doas install -d -o 10016 -g 10016 -m 0755 /vm/${vm_name}/persist/keys/etcd
        ${openssh}/bin/ssh mrmanager doas install -d -o 10024 -g 10024 -m 0755 /vm/${vm_name}/persist/keys/kube


      ''
      + (lib.concatMapStringsSep "\n" deploy_file [
        {
          dest_dir = "/vm/${vm_name}/persist/keys/etcd";
          file = "${k8s.keys.kube-api-server}/kube-api-server.crt";
          owner = 10016;
          group = 10016;
          mode = "0640";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/etcd";
          file = "${k8s.keys.kube-api-server}/kube-api-server.key";
          owner = 10016;
          group = 10016;
          mode = "0600";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/etcd";
          file = "${k8s.ca}/ca.crt";
          owner = 10016;
          group = 10016;
          mode = "0640";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.ca}/ca.crt";
          owner = 10024;
          group = 10024;
          mode = "0640";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.ca}/ca.key";
          owner = 10024;
          group = 10024;
          mode = "0600";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.keys.kube-api-server}/kube-api-server.crt";
          owner = 10024;
          group = 10024;
          mode = "0640";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.keys.kube-api-server}/kube-api-server.key";
          owner = 10024;
          group = 10024;
          mode = "0600";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.encryption_config}/encryption-config.yaml";
          name = "encryption-config.yaml";
          owner = 10024;
          group = 10024;
          mode = "0600";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.keys.service-accounts}/service-accounts.crt";
          owner = 10024;
          group = 10024;
          mode = "0640";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.keys.service-accounts}/service-accounts.key";
          owner = 10024;
          group = 10024;
          mode = "0600";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.client-configs.kube-controller-manager}/kube-controller-manager.kubeconfig";
          owner = 10024;
          group = 10024;
          mode = "0600";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.client-configs.kube-scheduler}/kube-scheduler.kubeconfig";
          owner = 10024;
          group = 10024;
          mode = "0600";
        }
      ])
    )
  );
  deploy_worker = (
    vm_name:
    (
      ''
        ##
        ## Create directories on ${vm_name}
        ##
        ${openssh}/bin/ssh mrmanager doas install -d -o 0 -g 0 -m 0755 /vm/${vm_name}/persist/keys
        ${openssh}/bin/ssh mrmanager doas install -d -o 10024 -g 10024 -m 0755 /vm/${vm_name}/persist/keys/kube


      ''
      + (lib.concatMapStringsSep "\n" deploy_file [
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.ca}/ca.crt";
          owner = 10024;
          group = 10024;
          mode = "0640";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.keys."${vm_name_to_hostname vm_name}"}/${vm_name_to_hostname vm_name}.crt";
          name = "kubelet.crt";
          owner = 10024;
          group = 10024;
          mode = "0640";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.keys."${vm_name_to_hostname vm_name}"}/${vm_name_to_hostname vm_name}.key";
          name = "kubelet.key";
          owner = 10024;
          group = 10024;
          mode = "0600";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${
            k8s.client-configs."${vm_name_to_hostname vm_name}"
          }/${vm_name_to_hostname vm_name}.kubeconfig";
          name = "kubelet.kubeconfig";
          owner = 10024;
          group = 10024;
          mode = "0600";
        }
        {
          dest_dir = "/vm/${vm_name}/persist/keys/kube";
          file = "${k8s.client-configs.kube-proxy}/kube-proxy.kubeconfig";
          owner = 10024;
          group = 10024;
          mode = "0600";
        }
      ])
    )
  );
in
stdenv.mkDerivation (finalAttrs: {
  name = "deploy-script";
  nativeBuildInputs = [ ];
  buildInputs = [ ];

  unpackPhase = "true";

  installPhase = ''
    cp ${deploy_script} "$out"
  '';
})