Class: Racecar::Config

Inherits:
KingKonf::Config
  • Object
show all
Defined in:
lib/racecar/config.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env: ENV) ⇒ Config

Returns a new instance of Config.



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# File 'lib/racecar/config.rb', line 138

def initialize(env: ENV)
  super(env: env)
  @error_handler = proc {}
  @subscriptions = []
  @logger = Logger.new(STDOUT)
end

Instance Attribute Details

#error_handler ⇒ Object (readonly)

The error handler must be set directly on the object.



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# File 'lib/racecar/config.rb', line 134

def error_handler
  @error_handler
end

#logger ⇒ Object

Returns the value of attribute logger.



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# File 'lib/racecar/config.rb', line 136

def logger
  @logger
end

#subscriptions ⇒ Object

Returns the value of attribute subscriptions.



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# File 'lib/racecar/config.rb', line 136

def subscriptions
  @subscriptions
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/racecar/config.rb', line 145

def inspect
  self.class.variables
    .map(&:name)
    .map {|key| [key, get(key).inspect].join(" = ") }
    .join("\n")
end

#load_consumer_class(consumer_class) ⇒ Object 



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# File 'lib/racecar/config.rb', line 170

def load_consumer_class(consumer_class)
  self.group_id = consumer_class.group_id || self.group_id

  self.group_id ||= [
    # Configurable and optional prefix:
    group_id_prefix,

    # MyFunnyConsumer => my-funny-consumer
    consumer_class.name.gsub(/[a-z][A-Z]/) {|str| str[0] << "-" << str[1] }.downcase,
  ].compact.join("")

  self.subscriptions = consumer_class.subscriptions
  self.max_wait_time = consumer_class.max_wait_time || self.max_wait_time
  self.offset_retention_time = consumer_class.offset_retention_time || self.offset_retention_time
  self.pidfile ||= "#{group_id}.pid"
end

#on_error(&handler) ⇒ Object 



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# File 'lib/racecar/config.rb', line 187

def on_error(&handler)
  @error_handler = handler
end

#validate! ⇒ Object 



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# File 'lib/racecar/config.rb', line 152

def validate!
  if brokers.empty?
    raise ConfigError, "`brokers` must not be empty"
  end

  if socket_timeout <= max_wait_time
    raise ConfigError, "`socket_timeout` must be longer than `max_wait_time`"
  end

  if connect_timeout <= max_wait_time
    raise ConfigError, "`connect_timeout` must be longer than `max_wait_time`"
  end

  if max_pause_timeout && !pause_with_exponential_backoff?
    raise ConfigError, "`max_pause_timeout` only makes sense when `pause_with_exponential_backoff` is enabled"
  end
end