Module: Grifter::Configuration

Included in:
Grifter
Defined in:
lib/grifter/configuration.rb

Instance Method Summary collapse

Instance Method Details

#load_config_file(options = {}) ⇒ Object 



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# File 'lib/grifter/configuration.rb', line 19

def load_config_file options={}
  options = {
    config_file: ENV['GRIFTER_CONFIG_FILE'] ? ENV['GRIFTER_CONFIG_FILE'] : 'grifter.yml',
    environment: ENV['GRIFTER_ENVIRONMENT'],
  }.merge(options)
  Log.debug "Loading config file '#{options[:config_file]}'"
  unless File.exist?(options[:config_file])
    raise "No such config file: '#{options[:config_file]}'"
  end
  hash = YAML.load_file(options[:config_file])
  symbolized = recursive_symbolize(hash)
  normalize_config(symbolized, options)
end

#normalize_config(config, options = {}) ⇒ Object

this method ensure the config hash has everything we need to instantiate the service objects



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# File 'lib/grifter/configuration.rb', line 34

def normalize_config config, options={}
  unless ((config.is_a? Hash) &&
          (config.has_key? :services) &&
          (config[:services].is_a? Hash) &&
          (config[:services].length > 0))
    raise GrifterConfigurationError.new ":services block not found in configuration"
  end

  #fill out services block entirely for each service
  config[:services].each_pair do |service_name, service_config|
    service_config[:name] = service_name.to_s
   #setup port config
   unless service_config[:port]
     if service_config[:ssl]
       service_config[:port] = 443
     else
      service_config[:port] = 80
     end
   end

   #ssl config
   unless service_config[:ssl]
     service_config[:ssl] = false
   end

   #ignore_ssl_certificate
   unless service_config[:ignore_ssl_cert]
     service_config[:ignore_ssl_cert] = false
   end

   unless service_config[:base_uri]
     service_config[:base_uri] = ''
   end

  end

  #merge any environment overrides into the service block
  if options[:environment]
    options[:environment] = options[:environment].to_sym
    unless config[:environments] && config[:environments][options[:environment]]
      raise GrifterConfigurationError.new "No such environment specified in config: '#{options[:environment]}'"
    end

    config[:environments][options[:environment]].each_pair do |service_name, service_overrides|
      config[:services][service_name].merge! service_overrides
    end
  end


  return config
end

#recursive_symbolize(hash) ⇒ Object 



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# File 'lib/grifter/configuration.rb', line 7

def recursive_symbolize hash
  hash.inject({}) do |h, (k,v)|
    h[k.intern] = case v
                  when Hash
                    recursive_symbolize v
                  else
                    v
                  end
    h
  end
end