Class: WaterDrop::Instrumentation::StdoutListener

Inherits:
Object
  • Object
show all
Defined in:
lib/water_drop/instrumentation/stdout_listener.rb

Overview

Note:

It is a module as we can use it then as a part of the Karafka framework listener as well as we can use it standalone

Default listener that hooks up to our instrumentation and uses its events for logging It can be removed/replaced or anything without any harm to the Waterdrop flow

Instance Method Summary collapse

Constructor Details

#initialize(logger) ⇒ StdoutListener

Returns a new instance of StdoutListener.

Parameters:

  • logger (Object) —

    stdout logger we want to use



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 11

def initialize(logger)
  @logger = logger
end

Instance Method Details

#on_buffer_flushed_async(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 66

def on_buffer_flushed_async(event)
  messages = event[:messages]

  info(event, "Async flushing of #{messages.size} messages from the buffer")
  debug(event, messages)
end

#on_buffer_flushed_async_error(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 74

def on_buffer_flushed_async_error(event)
  messages = event[:messages]
  error = event[:error]

  error(event, "Async flushing of #{messages.size} failed due to: #{error}")
  debug(event, messages)
end

#on_buffer_flushed_sync(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 83

def on_buffer_flushed_sync(event)
  messages = event[:messages]

  info(event, "Sync flushing of #{messages.size} messages from the buffer")
  debug(event, messages)
end

#on_buffer_flushed_sync_error(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 91

def on_buffer_flushed_sync_error(event)
  messages = event[:dispatched]
  error = event[:error]

  error(event, "Sync flushing of #{messages.size} failed due to: #{error}")
  debug(event, messages)
end

#on_message_buffered(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 50

def on_message_buffered(event)
  message = event[:message]

  info(event, "Buffering of a message to '#{message[:topic]}' topic")
  debug(event, [message, event[:producer].messages.size])
end

#on_message_produced_async(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 16

def on_message_produced_async(event)
  message = event[:message]

  info(event, "Async producing of a message to '#{message[:topic]}' topic")
  debug(event, message)
end

#on_message_produced_sync(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 24

def on_message_produced_sync(event)
  message = event[:message]

  info(event, "Sync producing of a message to '#{message[:topic]}' topic")
  debug(event, message)
end

#on_messages_buffered(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 58

def on_messages_buffered(event)
  messages = event[:messages]

  info(event, "Buffering of #{messages.size} messages")
  debug(event, [messages, event[:producer].messages.size])
end

#on_messages_produced_async(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 32

def on_messages_produced_async(event)
  messages = event[:messages]
  topics_count = messages.map { |message| "'#{message[:topic]}'" }.uniq.count

  info(event, "Async producing of #{messages.size} messages to #{topics_count} topics")
  debug(event, messages)
end

#on_messages_produced_sync(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 41

def on_messages_produced_sync(event)
  messages = event[:messages]
  topics_count = messages.map { |message| "'#{message[:topic]}'" }.uniq.count

  info(event, "Sync producing of #{messages.size} messages to #{topics_count} topics")
  debug(event, messages)
end

#on_producer_closed(event) ⇒ Object

Parameters:

  • event (Dry::Events::Event) —

    event that happened with the details



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# File 'lib/water_drop/instrumentation/stdout_listener.rb', line 100

def on_producer_closed(event)
  info event, 'Closing producer'
  debug event, event[:producer].messages.size
end