Class: Flapjack::Configuration

Inherits:
Object
  • Object
show all
Defined in:
lib/flapjack/configuration.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#filename ⇒ Object (readonly)

Returns the value of attribute filename.



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# File 'lib/flapjack/configuration.rb', line 9

def filename
  @filename
end

Instance Method Details

#all ⇒ Object 



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# File 'lib/flapjack/configuration.rb', line 11

def all
  @config
end

#for_redis ⇒ Object 



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# File 'lib/flapjack/configuration.rb', line 15

def for_redis
  return unless @config

  redis_defaults = {'host'   => '127.0.0.1',
                    'port'   => 6379,
                    'path'   => nil,
                    'db'     => 0}

  @config['redis'] = {} unless @config.has_key?('redis')

  redis = @config['redis']
  redis_defaults.each_pair do |k,v|
    next if redis.has_key?(k) && !redis[k].nil? &&
      !(redis[k].is_a?(String) && redis[k].empty?)
    redis[k] = v
  end

  redis_path = (redis['path'] || nil)
  base_opts = HashWithIndifferentAccess.new({ :db => (redis['db'] || 0) })
  base_opts[:driver] = redis['driver'] unless redis['driver'].nil?
  redis_config = base_opts.merge(
    (redis_path ? { :path => redis_path } :
                  { :host => (redis['host'] || '127.0.0.1'),
                    :port => (redis['port'] || 6379)})
  )

  redis_config[:password] = redis["password"] if redis["password"]

  redis_config
end

#load(file_pattern) ⇒ Object 



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# File 'lib/flapjack/configuration.rb', line 46

def load(file_pattern)
  @file_pattern = nil
  @config = nil

  config_file_names = Dir.glob(file_pattern)

  if config_file_names.nil?
    Flapjack.logger.error {
      "Could not load config files using file_pattern '#{file_pattern}'"
    }
    return
  end

  yaml_file = config_file_names.detect {|f| f.end_with?('.yaml') }

  unless yaml_file.nil?
    raise "#{yaml_file} looks like a YAML file. Flapjack v2 config files are now in TOML, " +
      "see flapjack.io/docs/2.x/configuration"
  end

  config = config_file_names.inject({}) do |config, file_name|
    config.merge!(TOML.load_file(file_name)) do |key, old_val, new_val|
      if old_val != new_val
        Flapjack.logger.error {
          "Duplicate configuration setting #{key} in #{file_name}"
        }
        break
      else
        new_val
      end
    end
  end

  if config.nil? || config.empty?
    Flapjack.logger.error {
      "Could not load config files using file_pattern '#{file_pattern}'"
    }
    return
  end

  @config = HashWithIndifferentAccess.new(config)

  @file_pattern = file_pattern
end

#reload ⇒ Object 



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# File 'lib/flapjack/configuration.rb', line 91

def reload
  if @file_pattern.nil?
    Flapjack.logger.error "Cannot reload, config file_pattern not set."
    return
  end

  load(@file_pattern)
end