Class: Fluent::KestrelInput

Inherits:
Input
  • Object
show all
Defined in:
lib/fluent/plugin/in_kestrel.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ KestrelInput 



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# File 'lib/fluent/plugin/in_kestrel.rb', line 15

def initialize
  super
  require 'kestrel'
  require 'time'
end

Instance Attribute Details

#kestrel ⇒ Object (readonly)

Returns the value of attribute kestrel.



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# File 'lib/fluent/plugin/in_kestrel.rb', line 4

def kestrel
  @kestrel
end

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/in_kestrel.rb', line 21

def configure(conf)
  super

  unless @queue && @host
    raise ConfigError, "[kestrel config error]:'host' and 'queue' option is required."
  end
  unless @tag
    raise ConfigError, "[kestrel config error]:'tag' option is required."
  end
  @timef = TimeFormatter.new(@time_format, @localtime)
  @options = {
    :raw => @raw,
    :peek => @peek,
    :timeout => @timeout
  }.freeze
end

#run ⇒ Object 



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# File 'lib/fluent/plugin/in_kestrel.rb', line 50

def run
  loop do
    data = @kestrel.get(@queue, @options)
    unless data
      sleep 1
    else
      Engine.emit(@tag, Engine.now, data)
    end
  end
rescue
  $log.error "unexpected error.", :error=>$!.to_s
  $log.error_backtrace
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/in_kestrel.rb', line 45

def shutdown
  @thread.join
  super
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/in_kestrel.rb', line 38

def start
  super

  @kestrel = Kestrel::Client.new(@host + ":" + @port.to_s)
  @thread = Thread.new(&method(:run))
end