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Versions: 29
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Contents
# frozen_string_literal: true
require 'hako'
require 'hako/env_providers'
require 'hako/error'
require 'hako/loader'
require 'json'
require 'jsonnet'
module Hako
class JsonnetLoader
# @param [Application] application
# @param [Boolean] expand_variables
# @param [Boolean] ask_keys
def initialize(application, expand_variables:, ask_keys:)
@vm = Jsonnet::VM.new
@root_path = application.root_path
define_provider_functions(expand_variables, ask_keys)
@vm.ext_var('appId', application.id)
end
# @param [Pathname] path
def load(path)
JSON.parse(@vm.evaluate_file(path.to_s))
end
private
def define_provider_functions(expand_variables, ask_keys)
Gem.loaded_specs.each do |gem_name, spec|
spec.require_paths.each do |path|
Dir.glob(File.join(spec.full_gem_path, path, 'hako/env_providers/*.rb')).each do |provider_path|
provider_name = File.basename(provider_path, '.rb')
provider_class = Loader.new(Hako::EnvProviders, 'hako/env_providers').load(provider_name)
Hako.logger.debug("Loaded #{provider_class} from '#{gem_name}' gem")
@vm.define_function("provide.#{provider_name}") do |options, name|
if expand_variables
provider_class.new(@root_path, JSON.parse(options)).ask([name]).fetch(name)
else
if ask_keys
provider = provider_class.new(@root_path, JSON.parse(options))
if provider.can_ask_keys?
if provider.ask_keys([name]).empty?
raise Error.new("Could not lookup #{name} from #{provider_name} provider with options=#{options}")
end
end
end
"${#{name}}"
end
end
end
end
end
end
end
end
Version data entries
29 entries across 29 versions & 1 rubygems