Class: ConfigReader

Inherits:
Object
  • Object
show all
Defined in:
lib/config_reader.rb,
lib/config_reader/version.rb,
lib/config_reader/magic_hash.rb

Defined Under Namespace

Classes: MagicHash

Constant Summary collapse

VERSION = 
"1.0.1"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.config ⇒ Object

Returns the value of attribute config.



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# File 'lib/config_reader.rb', line 13

def config
  @config
end

.config_file ⇒ Object

Returns the value of attribute config_file.



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# File 'lib/config_reader.rb', line 13

def config_file
  @config_file
end

.sekrets_file ⇒ Object

Returns the value of attribute sekrets_file.



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# File 'lib/config_reader.rb', line 13

def sekrets_file
  @sekrets_file
end

Class Method Details

.[](key) ⇒ Object 



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# File 'lib/config_reader.rb', line 28

def [](key)
  config[key.to_sym]
end

.find_config ⇒ Object 



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# File 'lib/config_reader.rb', line 32

def find_config
  return @config_file if File.exist?(@config_file)

  %w( . config ).each do |dir|
    config_file = File.join(dir, @config_file)
    return config_file if File.exist?(config_file)
  end

  ''
end

.find_env ⇒ Object 



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# File 'lib/config_reader.rb', line 55

def find_env
  if defined?(Rails) && Rails.stage
    Rails.stage
  elsif defined?(Rails) && Rails.env
    Rails.env
  elsif defined?(RAILS_ENV)
    RAILS_ENV
  elsif defined?(Padrino) && Padrino.env
    Padrino.env.to_s
  elsif defined?(PADRINO_ENV)
    PADRINO_ENV
  elsif ENV['RACK_ENV']
    ENV['RACK_ENV']
  elsif defined?(APP_ENV)
    APP_ENV
  end
end

.inspect ⇒ Object 



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# File 'lib/config_reader.rb', line 51

def inspect
  puts config.inspect
end

.load_config ⇒ Object 



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# File 'lib/config_reader.rb', line 73

def load_config
  raise 'No config file set' unless @config_file

  if defined?(ERB)
    conf = YAML.load(ERB.new(File.open(find_config).read).result)
  else
    conf = YAML.load(File.open(find_config).read)
  end

  raise 'No config found' unless conf

  conf
end

.load_sekrets ⇒ Object 



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# File 'lib/config_reader.rb', line 87

def load_sekrets
  sekrets = {}

  if @sekrets_file
    begin
      require 'sekrets'
      sekrets = ::Sekrets.settings_for(@sekrets_file)
      raise 'No sekrets found' unless sekrets
    rescue LoadError
      $stderr.puts "You specified a sekrets_file, but the sekrets gem isn't available."
    end
  end

  sekrets
end

.merge_configs(env, conf, sekrets) ⇒ Object 



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# File 'lib/config_reader.rb', line 103

def merge_configs(env, conf, sekrets)
  _conf = conf['defaults']
  _conf.merge!(sekrets['defaults']) if sekrets && sekrets['defaults']
  _conf.merge!(conf[env]) if conf[env]
  _conf.merge!(sekrets[env]) if sekrets && sekrets[env]
  ConfigReader::MagicHash.convert_hash(_conf)
end

.method_missing(key, *args, &block) ⇒ Object 



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# File 'lib/config_reader.rb', line 43

def method_missing(key, *args, &block)
  if key.to_s.end_with?('=')
    raise ArgumentError.new('ConfigReader is immutable')
  end

  config[key] || nil
end

.reload ⇒ Object 



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# File 'lib/config_reader.rb', line 24

def reload
  merge_configs(find_env, load_config, load_sekrets)
end