module Bosh::Registry::YamlHelper

Public Instance Methods

load_yaml_file(path, expected_type = Hash) click to toggle source
# File lib/bosh/registry/yaml_helper.rb, line 6
def load_yaml_file(path, expected_type = Hash)
  unless File.exists?(path)
    raise(ConfigError, "Cannot find file '#{path}'")
  end

  yaml = Psych.load_file(path)

  if expected_type && !yaml.is_a?(expected_type)
    raise ConfigError, "Incorrect file format in '#{path}', " \
                       "#{expected_type} expected"
  end

  yaml
rescue SystemCallError => e
  raise ConfigError, "Cannot load YAML file at '#{path}': #{e}"
end