Class: BeanStalk::Worker

Inherits:
Object
  • Object
show all
Defined in:
lib/beanstalk-worker/config.rb,
lib/beanstalk-worker.rb,
lib/beanstalk-worker/worker.rb,
lib/beanstalk-worker/version_class.rb

Overview

The configuration object for the gemindexer worker.

Defined Under Namespace

Modules: Config, Log, Version

Constant Summary collapse

VERSION = 
'0.1.7'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config = {}) ⇒ Worker

Returns a new instance of Worker.



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# File 'lib/beanstalk-worker/worker.rb', line 6

def initialize(config = {})
  @config = BeanStalk::Worker::Config
  if File.exists? @config[:config_file]
    if config[:environment]
      @config.from_file @config[:config_file],
        :environment => config[:environment]
    else
      @config.from_file @config[:config_file]
    end
  end
  @config.merge!(config || {})
  
  @stats = {
    'received' => 0
  }
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/beanstalk-worker/worker.rb', line 4

def config
  @config
end

#connection ⇒ Object

Returns the value of attribute connection.



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# File 'lib/beanstalk-worker/worker.rb', line 4

def connection
  @connection
end

#log ⇒ Object

Returns the value of attribute log.



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# File 'lib/beanstalk-worker/worker.rb', line 4

def log
  @log
end

#stats ⇒ Object

Returns the value of attribute stats.



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# File 'lib/beanstalk-worker/worker.rb', line 4

def stats
  @stats
end

Instance Method Details

#beanstalk ⇒ Object 



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# File 'lib/beanstalk-worker/worker.rb', line 23

def beanstalk
  if @connection.nil?
    @connection = Beanstalk::Pool.new([
      BeanStalk::Worker::Config.beanstalk_uri
    ])
    @log.info("Connected to beanstalk")
  end
  @connection
rescue
  @log.error("Could not connect to beanstalk.")
  reconnect
end

#initialize_beanstalk ⇒ Object 



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# File 'lib/beanstalk-worker/worker.rb', line 42

def initialize_beanstalk    
  beanstalk.watch(@config[:beanstalk][:tube])
  beanstalk.use(@config[:beanstalk][:tube])
  beanstalk.ignore('default')
rescue
  @log.error("Could not connect to beanstalk.")
  reconnect
end

#initialize_logger ⇒ Object 



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# File 'lib/beanstalk-worker/worker.rb', line 36

def initialize_logger
  @log = Logger.new(@config.log_location)
  @log.level = Logger.const_get(@config.log_level.upcase)
  @log.error("Logging started")
end

#reconnect ⇒ Object 



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# File 'lib/beanstalk-worker/worker.rb', line 51

def reconnect
  @connection = nil
  @log.error("Sleeping 30 seconds")
  sleep(30)
  @log.error("Attempting to reconnect")
  start
end

#start(received = -1)) ⇒ Object 



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# File 'lib/beanstalk-worker/worker.rb', line 59

def start(received = -1)
  initialize_logger
  initialize_beanstalk
  while (received == -1) || (@stats['received'] < received)
    begin
      job = beanstalk.reserve
      
      @log.debug("job #{job.inspect}")
      @log.debug("job #{job.body.inspect}")
      
      @stats['received'] += 1
      
      job.delete if work(job)
    rescue Beanstalk::NotConnected => e
      @log.error("Beanstalk disconnected")
      reconnect
    rescue Exception => e
      @log.error("Caught exception #{e.to_s}")
      exit
    end
  end
end

#work(job) ⇒ Object 



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# File 'lib/beanstalk-worker/worker.rb', line 82

def work(job)
  return true
end