Module: Phobos

Defined in:
lib/phobos/deep_struct.rb,
lib/phobos.rb,
lib/phobos/cli.rb,
lib/phobos/errors.rb,
lib/phobos/handler.rb,
lib/phobos/version.rb,
lib/phobos/executor.rb,
lib/phobos/listener.rb,
lib/phobos/producer.rb,
lib/phobos/cli/start.rb,
lib/phobos/cli/runner.rb,
lib/phobos/echo_handler.rb,
lib/phobos/instrumentation.rb

Overview

Please use this with at least the same consideration as you would when using OpenStruct. Right now we only use this to parse our internal configuration files. It is not meant to be used on incoming data.

Defined Under Namespace

Modules: CLI, Handler, Instrumentation, Producer Classes: AbortError, DeepStruct, EchoHandler, Error, Executor, Listener

Constant Summary collapse

VERSION = 
'1.3.0'

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/phobos.rb', line 27

def config
  @config
end

.logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/phobos.rb', line 27

def logger
  @logger
end

.silence_log ⇒ Object

Returns the value of attribute silence_log.



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# File 'lib/phobos.rb', line 28

def silence_log
  @silence_log
end

Class Method Details

.configure(yml_path) ⇒ Object 



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# File 'lib/phobos.rb', line 30

def configure(yml_path)
  ENV['RAILS_ENV'] = ENV['RACK_ENV'] ||= 'development'
  @config = DeepStruct.new(YAML.load(ERB.new(File.read(File.expand_path(yml_path))).result))
  @config.class.send(:define_method, :producer_hash) { Phobos.config.producer&.to_hash }
  @config.class.send(:define_method, :consumer_hash) { Phobos.config.consumer&.to_hash }
  configure_logger
  logger.info { Hash(message: 'Phobos configured', env: ENV['RACK_ENV']) }
end

.configure_logger ⇒ Object 



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# File 'lib/phobos.rb', line 49

def configure_logger
  log_file = config.logger.file
  ruby_kafka = config.logger.ruby_kafka
  date_pattern = '%Y-%m-%dT%H:%M:%S:%L%zZ'
  file_layout = Logging.layouts.json(date_pattern: date_pattern)
  stdout_layout = Logging.layouts.pattern(date_pattern: date_pattern)
  appenders = [Logging.appenders.stdout(layout: stdout_layout)]

  Logging.backtrace(true)
  Logging.logger.root.level = silence_log ? :fatal : config.logger.level

  if log_file
    FileUtils.mkdir_p(File.dirname(log_file))
    appenders << Logging.appenders.file(log_file, layout: file_layout)
  end

  @ruby_kafka_logger = nil

  if ruby_kafka
    @ruby_kafka_logger = Logging.logger['RubyKafka']
    @ruby_kafka_logger.appenders = appenders
    @ruby_kafka_logger.level = silence_log ? :fatal : ruby_kafka.level
  end

  @logger = Logging.logger[self]
  @logger.appenders = appenders
end

.create_exponential_backoff ⇒ Object 



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# File 'lib/phobos.rb', line 43

def create_exponential_backoff
  min = Phobos.config.backoff.min_ms / 1000.0
  max = Phobos.config.backoff.max_ms / 1000.0
  ExponentialBackoff.new(min, max).tap { |backoff| backoff.randomize_factor = rand }
end

.create_kafka_client ⇒ Object 



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# File 'lib/phobos.rb', line 39

def create_kafka_client
  Kafka.new(config.kafka.to_hash.merge(logger: @ruby_kafka_logger))
end