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Contents
# encoding: utf-8
require "singleton"
require "yaml"
require "pathname"
module Desi
class Configuration
include Singleton
attr_reader :directory
def directory=(dir)
@directory = Pathname(File.expand_path(dir))
end
attr_accessor :server
def load_configuration!
config = defaults.merge(config_files_data)
public_methods(false).select {|m| m.to_s =~ /=$/ }.each do |setter|
attr_name = setter.to_s.tr('=', '')
if config.has_key?(attr_name)
send(setter, config[attr_name])
end
end
self
end
private
def config_files
%w[/etc/desi.yml ~/.desi.yml]
end
def config_files_data
config_files.each_with_object({}) do |filename, hash|
hash.merge! config_file_data(filename)
end
end
def config_file_data(filename)
file = File.expand_path(filename)
return {} unless File.exists?(file)
data = YAML.load_file(file)
if data.is_a? Hash
data
else
warn "Configuration file #{filename} contains malformed data and will be ignored"
{}
end
end
def defaults
{'directory' => "~/elasticsearch", "server" => "localhost:9200"}
end
instance.load_configuration!
end # Configuration
module_function
# Change configuration settings
#
# @example
#
# Desi.configure do |c|
# c.directory = "~/es"
# c.server = "127.0.0.53:9200"
# end
#
# @return [Desi::Configuration] the configuration
def configure(&block)
yield configuration
configuration
end
def configuration
Configuration.instance
end
end
Version data entries
13 entries across 13 versions & 1 rubygems