Module: Ec2Metadata::Dummy

Defined in:
lib/ec2_metadata/dummy.rb

Constant Summary collapse

YAML_FILENAME = 
'ec2_metadata.yml'.freeze
YAML_SEARCH_DIRS = 
['./config', '.', '~', '/etc'].freeze
ENV_SPECIFIED_PATH = 
"EC2_METADATA_DUMMY_YAML".freeze

Class Method Summary collapse

Class Method Details

.load_yaml(path) ⇒ Object 



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# File 'lib/ec2_metadata/dummy.rb', line 28

def load_yaml(path)
  erb = ERB.new(IO.read(path))
  erb.filename = path
  text = erb.result
  Ec2Metadata.from_hash(YAML.load(text))
  @loaded_yaml_path = path
end

.loaded_yaml_path ⇒ Object 



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# File 'lib/ec2_metadata/dummy.rb', line 36

def loaded_yaml_path
  @loaded_yaml_path
end

.search_and_load_yaml ⇒ Object 



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# File 'lib/ec2_metadata/dummy.rb', line 23

def search_and_load_yaml
  paths = Dir.glob(yaml_paths.map{|path| File.expand_path(path) rescue nil}.compact)
  load_yaml(paths.first) unless paths.empty?
end

.yaml_paths ⇒ Object 



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# File 'lib/ec2_metadata/dummy.rb', line 11

def yaml_paths
  dirs = YAML_SEARCH_DIRS.dup
  if Module.constants.include?('RAILS_ROOT')
    dirs.unshift(File.join(Module.const_get('RAILS_ROOT'), 'config'))
  end
  result = dirs.map{|d| File.join(d, YAML_FILENAME)}
  if specified_path = ENV[ENV_SPECIFIED_PATH]
    result.unshift(specified_path)
  end
  result
end