Method: Cfer::Core::Stack#initialize

Defined in:
lib/cfer/core/stack.rb

#initialize(options = {}) ⇒ Stack

Returns a new instance of Stack.



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# File 'lib/cfer/core/stack.rb', line 30

def initialize(options = {})
  self[:AWSTemplateFormatVersion] = '2010-09-09'
  self[:Description] = ''

  @options = options

  self[:Metadata] = {
    :Cfer => {
      :Version => Cfer::SEMANTIC_VERSION.to_h.delete_if { |k, v| v === nil }
    }
  }

  self[:Parameters] = {}
  self[:Mappings] = {}
  self[:Conditions] = {}
  self[:Resources] = {}
  self[:Outputs] = {}

  if options[:client] && git = options[:client].git
    begin
      @git_state = git.object('HEAD^')
      self[:Metadata][:Cfer][:Git] = {
        Rev: git_state.sha,
        Clean: git.status.changed.empty?
      }
    rescue => e
      Cfer::LOGGER.warn("Unable to add Git information to CloudFormation Metadata. #{e}")
    end
  end

  @parameters = HashWithIndifferentAccess.new
  @input_parameters = HashWithIndifferentAccess.new

  if options[:client]
    begin
      @parameters.merge! options[:client].fetch_parameters
    rescue Cfer::Util::StackDoesNotExistError
      Cfer::LOGGER.debug "Can't include current stack parameters because the stack doesn't exist yet."
    end
  end

  if options[:parameters]
    options[:parameters].each do |key, val|
      @input_parameters[key] = @parameters[key] = val
    end
  end
end