Class: Cumulus::IAM::AssumeRoleUnifier

Inherits:
Object
  • Object
show all
Defined in:
lib/iam/migration/AssumeRoleUnifier.rb

Overview

Public: A class that keeps track of strings, writing them to file and unifying them if they are identical. Specifically, this is use for the assume role document on roles

Instance Method Summary collapse

Constructor Details

#initialize(dir, &save) ⇒ AssumeRoleUnifier

Public: Constructor.

dir - the directory to write assets to save - a function that will save a value to a config. Takes the value and

the config as paramters.



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# File 'lib/iam/migration/AssumeRoleUnifier.rb', line 12

def initialize(dir, &save)
  @dir = dir
  @strings = {}
  @save = save
end

Instance Method Details

#unify(config, s, name) ⇒ Object

Public: Unify a string with any previous instances of the string

config - the config object that the string should belong to s - the string to unify name - the name of the file this string should be saved to if needed



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# File 'lib/iam/migration/AssumeRoleUnifier.rb', line 23

def unify(config, s, name)
  if !@strings.has_key?(s)
    File.open("#{@dir}/#{name}", 'w') { |f| f.write(s) }
    @strings[s] = name
    @save.call(config, name)
  else
    @save.call(config, @strings[s])
  end
end