Class: Chef::Resource::PlatformMap

Inherits:
Object
  • Object
show all
Includes:
Mixin::ConvertToClassName, Mixin::ParamsValidate
Defined in:
lib/chef/resource_platform_map.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Methods included from Mixin::ParamsValidate

#set_or_return, #validate

Constructor Details

#initialize(map = {:default => {}}) ⇒ PlatformMap

Returns a new instance of PlatformMap.



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# File 'lib/chef/resource_platform_map.rb', line 31

def initialize(map={:default => {}})
  @map = map
end

Instance Attribute Details

#map ⇒ Object (readonly)

Returns the value of attribute map.



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# File 'lib/chef/resource_platform_map.rb', line 29

def map
  @map
end

Instance Method Details

#filter(platform, version) ⇒ Object 



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# File 'lib/chef/resource_platform_map.rb', line 35

def filter(platform, version)
  resource_map = map[:default].clone
  platform_sym = platform
  if platform.kind_of?(String)
    platform.downcase!
    platform.gsub!(/\s/, "_")
    platform_sym = platform.to_sym
  end

  if map.has_key?(platform_sym)
    if map[platform_sym].has_key?(version)
      if map[platform_sym].has_key?(:default)
        resource_map.merge!(map[platform_sym][:default])
      end
      resource_map.merge!(map[platform_sym][version])
    elsif map[platform_sym].has_key?(:default)
      resource_map.merge!(map[platform_sym][:default])
    end
  end
  resource_map
end

#get(short_name, platform = nil, version = nil) ⇒ Object

Raises:

  • (NameError) 


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# File 'lib/chef/resource_platform_map.rb', line 122

def get(short_name, platform=nil, version=nil)
  resource_klass = platform_resource(short_name, platform, version) ||
                   resource_matching_short_name(short_name)

  raise NameError, "Cannot find a resource for #{short_name} on #{platform} version #{version}" if resource_klass.nil?

  resource_klass
end

#set(args) ⇒ Object 



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# File 'lib/chef/resource_platform_map.rb', line 57

def set(args)
  validate(
    args,
    {
      :platform => {
        :kind_of => Symbol,
        :required => false
      },
      :version => {
        :kind_of => String,
        :required => false
      },
      :short_name => {
        :kind_of => Symbol,
        :required => true
      },
      :resource => {
        :kind_of => [ String, Symbol, Class ],
        :required => true
      }
    }
  )
  if args.has_key?(:platform)
    if args.has_key?(:version)
      if map.has_key?(args[:platform])
        if map[args[:platform]].has_key?(args[:version])
          map[args[:platform]][args[:version]][args[:short_name].to_sym] = args[:resource]
        else
          map[args[:platform]][args[:version]] = {
            args[:short_name].to_sym => args[:resource]
          }
        end
      else
        map[args[:platform]] = {
          args[:version] => {
            args[:short_name].to_sym => args[:resource]
          }
        }
      end
    else
      if map.has_key?(args[:platform])
        if map[args[:platform]].has_key?(:default)
          map[args[:platform]][:default][args[:short_name].to_sym] = args[:resource]
        else
          map[args[:platform]] = { :default => { args[:short_name].to_sym => args[:resource] } }
        end
      else
        map[args[:platform]] = {
          :default => {
            args[:short_name].to_sym => args[:resource]
          }
        }
      end
    end
  else
    if map.has_key?(:default)
      map[:default][args[:short_name].to_sym] = args[:resource]
    else
      map[:default] = {
        args[:short_name].to_sym => args[:resource]
      }
    end
  end
end