Files
clan-core/nixosModules/clanCore/secrets/sops.nix

64 lines
2.5 KiB
Nix

{ config, lib, pkgs, ... }:
{
config = {
system.clan.generateSecrets = pkgs.writeScript "generate_secrets" ''
#!/bin/sh
set -efu
set -x # remove for prod
PATH=$PATH:${lib.makeBinPath [
config.clanCore.clanPkgs.clan-cli
]}
# initialize secret store
if ! clan secrets machines list | grep -q ${config.clanCore.machineName}; then (
INITTMP=$(mktemp -d)
trap 'rm -rf "$INITTMP"' EXIT
${pkgs.age}/bin/age-keygen -o "$INITTMP/secret" 2> "$INITTMP/public"
PUBKEY=$(cat "$INITTMP/public" | sed 's/.*: //')
clan secrets machines add ${config.clanCore.machineName} "$PUBKEY"
tail -1 "$INITTMP/secret" | clan secrets set --machine ${config.clanCore.machineName} ${config.clanCore.machineName}-age.key
) fi
${lib.foldlAttrs (acc: n: v: ''
${acc}
# ${n}
# if any of the secrets are missing, we regenerate all connected facts/secrets
(if ! ${lib.concatMapStringsSep " && " (x: "clan secrets get ${config.clanCore.machineName}-${x.name} >/dev/null") (lib.attrValues v.secrets)}; then
facts=$(mktemp -d)
trap "rm -rf $facts" EXIT
secrets=$(mktemp -d)
trap "rm -rf $secrets" EXIT
${v.generator}
${lib.concatMapStrings (fact: ''
mkdir -p "$(dirname ${fact.path})"
cp "$facts"/${fact.name} ${fact.path}
'') (lib.attrValues v.facts)}
${lib.concatMapStrings (secret: ''
cat "$secrets"/${secret.name} | clan secrets set --machine ${config.clanCore.machineName} ${config.clanCore.machineName}-${secret.name}
'') (lib.attrValues v.secrets)}
fi)
'') "" config.clanCore.secrets}
'';
sops.secrets =
let
encryptedForThisMachine = name: type:
let
symlink = config.clanCore.clanDir + "/sops/secrets/${name}/machines/${config.clanCore.machineName}";
in
# WTF, nix bug, my symlink is in the nixos module detected as a directory also it works in the repl
type == "directory" && (builtins.readFileType symlink == "directory" || builtins.readFileType symlink == "symlink");
secrets = lib.filterAttrs encryptedForThisMachine (builtins.readDir (config.clanCore.clanDir + "/sops/secrets"));
in
builtins.mapAttrs
(name: _: {
sopsFile = config.clanCore.clanDir + "/sops/secrets/${name}/secret";
format = "binary";
})
secrets;
};
}