Class: Berkshelf::Chef::Config

Inherits:
Object
  • Object
show all
Extended by:
Mixin::PathHelpers, Mixlib::Config
Defined in:
lib/berkshelf/chef/config.rb

Overview

Inspired by and a dependency-free replacement for https://raw.github.com/opscode/chef/11.4.0/lib/chef/config.rb

Author:

Class Method Summary collapse

Methods included from Mixin::PathHelpers

platform_specific_path, win_slashify

Class Method Details

.instance ⇒ Berkshelf::Chef::Config

Load and return a Chef::Config for Berkshelf. The location of the configuration to be loaded can be configured by setting a value for path=

Returns:



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# File 'lib/berkshelf/chef/config.rb', line 16

def instance
  @instance ||= begin
    self.from_file(File.expand_path(path))
    self
  rescue
    self
  end
end

.path ⇒ String?

Return the most sensible path to the Chef configuration file. This can be configured by setting a value for the ‘BERKSHELF_CHEF_CONFIG’ environment variable.

Returns:



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# File 'lib/berkshelf/chef/config.rb', line 29

def path
  @path ||= begin
    possibles = []

    possibles << ENV['BERKSHELF_CHEF_CONFIG'] if ENV['BERKSHELF_CHEF_CONFIG']
    possibles << File.join(ENV['KNIFE_HOME'], 'knife.rb') if ENV['KNIFE_HOME']
    possibles << File.join(working_dir, 'knife.rb') if working_dir

    # Ascending search for .chef directory siblings
    Pathname.new(working_dir).ascend do |file|
      sibling_chef = File.join(file, '.chef')
      possibles << File.join(sibling_chef, 'knife.rb')
    end if working_dir

    possibles << File.join(ENV['HOME'], '.chef', 'knife.rb') if ENV['HOME']
    possibles.compact!

    location = possibles.find { |loc| File.exists?(File.expand_path(loc)) }

    File.expand_path(location) unless location.nil?
  end
end

.path=(value) ⇒ Object

Set the path the Chef configuration can be found in

Parameters:



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# File 'lib/berkshelf/chef/config.rb', line 55

def path=(value)
  @instance = nil
  @path     = value
end