1 { lib, pkgs, config, myconfig, mylibs, ... }:
5 type = lib.types.listOf lib.types.unspecified;
7 description = "Keys to upload to server";
11 oldkeys = lib.attrsets.filterAttrs (n: v: n != "secrets.tar") config.deployment.keys;
12 keys = config.mySecrets.keys;
13 empty = pkgs.runCommand "empty" { preferLocalBuild = true; } "mkdir -p $out && touch $out/done";
14 dumpOldKey = k: v: let
15 dest = if v.destDir == "/run/keys"
17 else (builtins.replaceStrings ["/run/keys/"] [""] v.destDir) + "/" + k;
19 mkdir -p secrets/$(dirname ${dest})
20 echo -n ${lib.strings.escapeShellArg v.text} > secrets/${dest}
22 ${v.user or "root"} ${v.group or "root"} ${v.permissions or "0600"} secrets/${dest}
26 mkdir -p secrets/$(dirname ${v.dest})
27 echo -n ${lib.strings.escapeShellArg v.text} > secrets/${v.dest}
29 ${v.user or "root"} ${v.group or "root"} ${v.permissions or "0600"} secrets/${v.dest}
32 secrets = pkgs.runCommand "secrets.tar" {} ''
34 tar --format=ustar --mtime='1970-01-01' -P --transform="s@${empty}@secrets@" -cf $out ${empty}/done
35 ${builtins.concatStringsSep "\n" (lib.attrsets.mapAttrsToList dumpOldKey oldkeys)}
36 ${builtins.concatStringsSep "\n" (map dumpKey keys)}
37 cat mods | while read u g p k; do
38 tar --format=ustar --mtime='1970-01-01' --owner="$u" --group="$g" --mode="$p" --append -f $out "$k"
42 system.activationScripts.secrets = {
43 deps = [ "users" "wrappers" ];
45 install -m0750 -o root -g keys -d /var/secrets
46 if [ -f /run/keys/secrets.tar ]; then
47 if [ ! -f /var/secrets/currentSecrets ] || ! sha512sum -c --status "/var/secrets/currentSecrets"; then
48 echo "rebuilding secrets"
50 install -m0750 -o root -g keys -d /var/secrets
51 ${pkgs.gnutar}/bin/tar --strip-components 1 -C /var/secrets -xf /run/keys/secrets.tar
52 sha512sum /run/keys/secrets.tar > /var/secrets/currentSecrets
53 find /var/secrets -type d -exec chown root:keys {} \; -exec chmod o-rx {} \;
58 deployment.keys."secrets.tar" = {
60 # keyFile below is not evaluated at build time by nixops, so the
61 # `secrets` path doesn’t necessarily exist when uploading the
62 # keys, and nixops is unhappy.
63 user = "root${builtins.substring 10000 1 secrets}";
65 keyFile = "${secrets}";