Files
kamal/lib/kamal/secrets.rb

43 lines
1.1 KiB
Ruby

require "dotenv"
class Kamal::Secrets
Kamal::Secrets::Dotenv::InlineCommandSubstitution.install!
def initialize(destination: nil)
@destination = destination
@mutex = Mutex.new
end
def [](key)
# Fetching secrets may ask the user for input, so ensure only one thread does that
@mutex.synchronize do
secrets.fetch(key)
end
rescue KeyError
if secrets_files.present?
raise Kamal::ConfigurationError, "Secret '#{key}' not found in #{secrets_files.join(", ")}"
else
raise Kamal::ConfigurationError, "Secret '#{key}' not found, no secret files (#{secrets_filenames.join(", ")}) provided"
end
end
def to_h
secrets
end
def secrets_files
@secrets_files ||= secrets_filenames.select { |f| File.exist?(f) }
end
private
def secrets
@secrets ||= secrets_files.inject({}) do |secrets, secrets_file|
secrets.merge!(::Dotenv.parse(secrets_file))
end
end
def secrets_filenames
[ ".kamal/secrets-common", ".kamal/secrets#{(".#{@destination}" if @destination)}" ]
end
end