Decrypt Chef secret manually
Chef
make sure to change keyfile and encrypted_file variable with your existing databags secret and your result file name, save as script.rb then run it
require 'chef/encrypted_data_bag_item'
require 'json'
keyfile = "encrypted_databag_secret"
encrypted_file = "encrypted_file.json"
secret = Chef::EncryptedDataBagItem.load_secret(keyfile)
encrypted_data = JSON.parse(File.read(encrypted_file))
plain_data = Chef::EncryptedDataBagItem.new(encrypted_data, secret).to_hash
puts JSON.generate(plain_data)