Class: FauxhaiGenerator::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/fauxhai_generator/config.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Config

Returns a new instance of Config.



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# File 'lib/fauxhai_generator/config.rb', line 6

def initialize
  readiness_check
  @config = load_config
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/fauxhai_generator/config.rb', line 11

def config
  @config
end

Instance Method Details

#load_config ⇒ Object

the config in config.yml mixed in with the key_name/key_path passed via CLI



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# File 'lib/fauxhai_generator/config.rb', line 50

def load_config
  opts = options
  yaml = YAML.safe_load(File.open(opts["config_file"]))
  yaml["aws"]["key_name"] = opts["key_name"]
  yaml["aws"]["key_path"] = opts["key_path"]
  yaml
end

#options ⇒ Object

parse the command line options



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# File 'lib/fauxhai_generator/config.rb', line 14

def options
  # since optparse doesn't have a "required" flag we have to hack one on
  ARGV << "-h" if ARGV.count < 6

  options = {}
  OptionParser.new do |opts|
    opts.banner = "Usage: fauxhai_generator [options]"

    opts.on("-c", "--config FILE_PATH ", "fauxhai_generator config.yml file path. (required)") do |n|
      raise "The passed config file at #{n} does not exist!" unless File.exist?(n)
      options["config_file"] = n
    end

    opts.on("-f", "--key-file FILE_PATH ", "The path to the key used to login to AWS instances. (required)") do |n|
      raise "The passed key file at #{n} does not exist!" unless File.exist?(n)
      options["key_path"] = n
    end

    opts.on("-k", "--key_name KEYNAME ", "The name of the keypair to setup AWS instances with. (required)") do |n|
      options["key_name"] = n
    end

    opts.on("-h", "--help", "Display fauxhai_generator options") do
      puts opts
      exit
    end
  end.parse!
  options
end

#readiness_check ⇒ Object

fail if things aren’t in order



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# File 'lib/fauxhai_generator/config.rb', line 45

def readiness_check
  raise "You must run fauxhai_generator from the root of the fauxhai repository!" unless Dir.exist?("lib/fauxhai/platforms")
end