Class: Packer::DataObject

Inherits:
Object
  • Object
show all
Defined in:
lib/packer/dataobject.rb

Direct Known Subclasses

Builder, Config, PostProcessor, Provisioner

Defined Under Namespace

Classes: DataValidationError, ExclusiveKeyError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DataObject

Returns a new instance of DataObject.



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# File 'lib/packer/dataobject.rb', line 22

def initialize
  self.data = {}
  self.required = []
end

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/packer/dataobject.rb', line 19

def data
  @data
end

#required ⇒ Object

Returns the value of attribute required.



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# File 'lib/packer/dataobject.rb', line 20

def required
  @required
end

Instance Method Details

#__add_array_of_array_of_strings(key, values, exclusives = []) ⇒ Object

Raises:

  • (TypeError) 


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# File 'lib/packer/dataobject.rb', line 77

def __add_array_of_array_of_strings(key, values, exclusives = [])
  self.__exclusive_key_error(key, exclusives)
  raise TypeError.new() unless Array.try_convert(values)
  self.data[key.to_s] = []
  values.each do |v|
    raise TypeError.new() unless Array.try_convert(v)
    self.data[key.to_s].push(v.to_ary.map{ |c| c.to_s })
  end
end

#__add_array_of_hashes(key, values, exclusives = []) ⇒ Object

Raises:

  • (TypeError) 


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# File 'lib/packer/dataobject.rb', line 87

def __add_array_of_hashes(key, values, exclusives = [])
  self.__exclusive_key_error(key, exclusives)
  raise TypeError.new() unless Array.try_convert(values)
  self.data[key.to_s] = []
  values.each do |v|
    raise TypeError.new() unless v.is_a?(Hash)
    self.data[key.to_s].push({})
    v.keys.each do |k|
      self.data[key.to_s][-1][k] = v[k].to_s
    end
  end
end

#__add_array_of_strings(key, values, exclusives = []) ⇒ Object

Raises:

  • (TypeError) 


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# File 'lib/packer/dataobject.rb', line 71

def __add_array_of_strings(key, values, exclusives = [])
  self.__exclusive_key_error(key, exclusives)
  raise TypeError.new() unless Array.try_convert(values)
  self.data[key.to_s] = values.to_ary.map{ |c| c.to_s }
end

#__add_boolean(key, bool, exclusives = []) ⇒ Object 



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# File 'lib/packer/dataobject.rb', line 110

def __add_boolean(key, bool, exclusives = [])
  self.__exclusive_key_error(key, exclusives)
  if bool
    self.data[key.to_s] = true
  else
    self.data[key.to_s] = false
  end
end

#__add_hash(key, data, exclusives = []) ⇒ Object

Raises:

  • (TypeError) 


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# File 'lib/packer/dataobject.rb', line 119

def __add_hash(key, data, exclusives = [])
  self.__exclusive_key_error(key, exclusives)
  raise TypeError.new() unless data.is_a?(Hash)
  self.data[key.to_s] = {}
  data.keys.each do |k|
    self.data[key.to_s][k] = data[k].to_s
  end
end

#__add_integer(key, data, exclusives = []) ⇒ Object 



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# File 'lib/packer/dataobject.rb', line 105

def __add_integer(key, data, exclusives = [])
  self.__exclusive_key_error(key, exclusives)
  self.data[key.to_s] = data.to_i
end

#__add_string(key, data, exclusives = []) ⇒ Object 



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# File 'lib/packer/dataobject.rb', line 100

def __add_string(key, data, exclusives = [])
  self.__exclusive_key_error(key, exclusives)
  self.data[key.to_s] = data.to_s
end

#__exclusive_key_error(key, exclusives) ⇒ Object 



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# File 'lib/packer/dataobject.rb', line 62

def __exclusive_key_error(key, exclusives)
  exclusives.each do |e|
    if self.data.has_key? e
      raise ExclusiveKeyError.new("Only one of #{exclusives} can be used at a time")
    end
  end
  true
end

#add_required(*keys) ⇒ Object 



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# File 'lib/packer/dataobject.rb', line 49

def add_required(*keys)
  keys.each do |k|
    self.required.push(k)
  end
end

#deep_copy ⇒ Object 



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# File 'lib/packer/dataobject.rb', line 55

def deep_copy
  Marshal.load(Marshal.dump(self.data))
end

#validate ⇒ Object 



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# File 'lib/packer/dataobject.rb', line 30

def validate
  self.required.each do |r|
    if (r.is_a? Array) && (r.length > 0)
      if r.length - (r - self.data.keys).length == 0
        raise DataValidationError.new("Missing one required setting from the set #{r}")
      end
      if r.length - (r - self.data.keys).length > 1
        raise DataValidationError.new("Found more than one exclusive setting in data from set #{r}")
      end
    else
      if ! self.data.keys.include? r
        raise DataValidationError.new("Missing required setting #{r}")
      end
    end
  end
  # TODO(ianc) Also validate the data with the packer command?
  true
end