Class: Nac::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/nac/config.rb

Overview

The main configuration manager class

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, options = {}) ⇒ Config

Returns a new instance of Config.



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# File 'lib/nac/config.rb', line 8

def initialize(source, options = {})
  @source     = source
  @template   = (options[:template] || {}).to_yaml

  options[:init!] ? init! : init
  cache
end

Instance Attribute Details

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/nac/config.rb', line 6

def source
  @source
end

#template ⇒ Object (readonly)

Returns the value of attribute template.



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# File 'lib/nac/config.rb', line 6

def template
  @template
end

Instance Method Details

#get(keys = nil, default = nil) ⇒ Object 



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# File 'lib/nac/config.rb', line 24

def get(keys = nil, default = nil)
  return @cache unless keys

  val = @cache

  [keys].flatten.each do |key|
    val = val[key]
  end

  val
rescue NoMethodError
  default
end

#init! ⇒ Object 



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# File 'lib/nac/config.rb', line 16

def init!
  FileUtils.mkdir_p(File.dirname(@source))

  File.open(@source, 'w+') do |file|
    file.write(@template)
  end
end

#set(keys, value) ⇒ Object 



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# File 'lib/nac/config.rb', line 38

def set(keys, value)
  @cache.merge!(bury(keys, value))

  File.write(@source, @cache.to_yaml)

  cache!
end