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-rw-r--r--nixops/modules/secrets.nix55
1 files changed, 0 insertions, 55 deletions
diff --git a/nixops/modules/secrets.nix b/nixops/modules/secrets.nix
deleted file mode 100644
index 8500088..0000000
--- a/nixops/modules/secrets.nix
+++ /dev/null
@@ -1,55 +0,0 @@
1{ lib, pkgs, config, myconfig, mylibs, ... }:
2{
3 options.mySecrets = {
4 keys = lib.mkOption {
5 type = lib.types.listOf lib.types.unspecified;
6 default = {};
7 description = "Keys to upload to server";
8 };
9 };
10 config = let
11 keys = config.mySecrets.keys;
12 empty = pkgs.runCommand "empty" { preferLocalBuild = true; } "mkdir -p $out && touch $out/done";
13 dumpKey = v: ''
14 mkdir -p secrets/$(dirname ${v.dest})
15 echo -n ${lib.strings.escapeShellArg v.text} > secrets/${v.dest}
16 cat >> mods <<EOF
17 ${v.user or "root"} ${v.group or "root"} ${v.permissions or "0600"} secrets/${v.dest}
18 EOF
19 '';
20 secrets = pkgs.runCommand "secrets.tar" {} ''
21 touch mods
22 tar --format=ustar --mtime='1970-01-01' -P --transform="s@${empty}@secrets@" -cf $out ${empty}/done
23 ${builtins.concatStringsSep "\n" (map dumpKey keys)}
24 cat mods | while read u g p k; do
25 tar --format=ustar --mtime='1970-01-01' --owner="$u" --group="$g" --mode="$p" --append -f $out "$k"
26 done
27 '';
28 in {
29 system.activationScripts.secrets = {
30 deps = [ "users" "wrappers" ];
31 text = ''
32 install -m0750 -o root -g keys -d /var/secrets
33 if [ -f /run/keys/secrets.tar ]; then
34 if [ ! -f /var/secrets/currentSecrets ] || ! sha512sum -c --status "/var/secrets/currentSecrets"; then
35 echo "rebuilding secrets"
36 rm -rf /var/secrets
37 install -m0750 -o root -g keys -d /var/secrets
38 ${pkgs.gnutar}/bin/tar --strip-components 1 -C /var/secrets -xf /run/keys/secrets.tar
39 sha512sum /run/keys/secrets.tar > /var/secrets/currentSecrets
40 find /var/secrets -type d -exec chown root:keys {} \; -exec chmod o-rx {} \;
41 fi
42 fi
43 '';
44 };
45 deployment.keys."secrets.tar" = {
46 permissions = "0400";
47 # keyFile below is not evaluated at build time by nixops, so the
48 # `secrets` path doesn’t necessarily exist when uploading the
49 # keys, and nixops is unhappy.
50 user = "root${builtins.substring 10000 1 secrets}";
51 group = "root";
52 keyFile = "${secrets}";
53 };
54 };
55}