Class: LogStash::Inputs::RedisCluster

Inherits:
Threadable
  • Object
show all
Defined in:
lib/logstash/inputs/redis_cluster.rb

Instance Method Summary collapse

Instance Method Details

#add_external_redis_builder(builder) ⇒ Object

public API use to store a proc that can provide a redis instance or mock



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# File 'lib/logstash/inputs/redis_cluster.rb', line 66

def add_external_redis_builder(builder) #callable
  @redis_builder = builder
  self
end

#new_redis_instance ⇒ Object 



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# File 'lib/logstash/inputs/redis_cluster.rb', line 77

def new_redis_instance
  @redis_builder.call
end

#register ⇒ Object 



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# File 'lib/logstash/inputs/redis_cluster.rb', line 81

def register
  @redis_url = "redis://#{@password}@#{@host}:#{@port}/#{@db}"

	@batch_offset = Random.rand(1024)
  # TODO remove after setting key and data_type to true
	
	
	if @driver == "jedis" then
require 'org/apache/commons/commons-pool2/2.3/commons-pool2-2.3.jar'
require 'redis/clients/jedis/2.7.2/jedis-2.7.2.jar'
@error_handler = method(:error_handler_jedis)
	else
require 'org/apache/commons/commons-pool2/2.3/redis-rb-cluster'
@error_handler = method(:error_handler_redis)
	end
 
  if !@keys || !@data_type
    raise RuntimeError.new(
      "Must define queue, or key and data_type parameters"
    )
  end
  # end TODO

  @redis_builder ||= method(:internal_redis_builder)

  # just switch on data_type once
  if @data_type == 'list' || @data_type == 'dummy'
    @run_method = method(:list_runner)
    @stop_method = method(:list_stop)
  elsif @data_type == 'channel'
    @run_method = method(:channel_runner)
    @stop_method = method(:subscribe_stop)
  elsif @data_type == 'pattern_channel'
    @run_method = method(:pattern_channel_runner)
    @stop_method = method(:subscribe_stop)
  end

  # TODO(sissel, boertje): set @identity directly when @name config option is removed.
  @identity = @name != 'default' ? @name : "#{@redis_url} #{@data_type}"
  @logger.info("Registering Redis", :identity => @identity)
end

#run(output_queue) ⇒ Object

def register



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# File 'lib/logstash/inputs/redis_cluster.rb', line 123

def run(output_queue)
  @run_method.call(output_queue)
rescue LogStash::ShutdownSignal
  # ignore and quit
end

#stop ⇒ Object

def run



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# File 'lib/logstash/inputs/redis_cluster.rb', line 129

def stop
  @stop_method.call
end

#use_redis(instance) ⇒ Object

use to apply an instance directly and bypass the builder



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# File 'lib/logstash/inputs/redis_cluster.rb', line 72

def use_redis(instance)
  @redis = instance
  self
end