let

lib = (import <nixpkgs> {}).lib;

in lib // {

# Allows to also generate the key compared to upstream genAttrs

genAttrs' = names: fkey: fname:

lib.listToAttrs (map (n: lib.nameValuePair (fkey n) (fname n)) names);

# If we're generating an AMI, don't set nixops deployment attributes

generatingAMI = builtins.getEnv "GENERATING_AMI";

# Function to generate DHT key

genDhtKey = { i

, dhtKeyPrefix ? "MHdrsP-oPf7UWly"

, dhtKeyPostfix ? "7QuXnLK5RD=" }:

let padded =

if i < 10

then "0" + toString i

else toString i

; in dhtKeyPrefix + padded + dhtKeyPostfix;

}