Class: LogStash::JavaBasePipeline

Inherits:
Object
  • Object
show all
Includes:
Util::Loggable
Defined in:
lib/logstash/java_pipeline.rb

Direct Known Subclasses

JavaPipeline

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Util::Loggable

included, #logger, #slow_logger

Constructor Details

#initialize(pipeline_config, namespaced_metric = nil, agent = nil) ⇒ JavaBasePipeline

Returns a new instance of JavaBasePipeline.



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# File 'lib/logstash/java_pipeline.rb', line 34

def initialize(pipeline_config, namespaced_metric = nil, agent = nil)
  @logger = self.logger
  @ephemeral_id = SecureRandom.uuid

  @pipeline_config = pipeline_config
  @config_str = pipeline_config.config_string
  @settings = pipeline_config.settings
  @config_hash = Digest::SHA1.hexdigest(@config_str)

  @lir = ConfigCompiler.configToPipelineIR(
    @config_str, @settings.get_value("config.support_escapes")
  )

  @pipeline_id = @settings.get_value("pipeline.id") || self.object_id
  @agent = agent
  @dlq_writer = dlq_writer
  @plugin_factory = LogStash::Plugins::PluginFactory.new(
    # use NullMetric if called in the BasePipeline context otherwise use the @metric value
    @lir, LogStash::Plugins::PluginMetricFactory.new(pipeline_id, @metric || Instrument::NullMetric.new),
    LogStash::Plugins::ExecutionContextFactory.new(@agent, self, @dlq_writer),
    JavaFilterDelegator
  )
  @lir_execution = CompiledPipeline.new(@lir, @plugin_factory)
  if settings.get_value("config.debug") && @logger.debug?
    @logger.debug("Compiled pipeline code", default_logging_keys(:code => @lir.get_graph.to_string))
  end
  @inputs = @lir_execution.inputs
  @filters = @lir_execution.filters
  @outputs = @lir_execution.outputs
end

Instance Attribute Details

#config_hash ⇒ Object (readonly)

Returns the value of attribute config_hash.



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# File 'lib/logstash/java_pipeline.rb', line 31

def config_hash
  @config_hash
end

#config_str ⇒ Object (readonly)

Returns the value of attribute config_str.



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# File 'lib/logstash/java_pipeline.rb', line 31

def config_str
  @config_str
end

#ephemeral_id ⇒ Object (readonly)

Returns the value of attribute ephemeral_id.



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# File 'lib/logstash/java_pipeline.rb', line 31

def ephemeral_id
  @ephemeral_id
end

#filters ⇒ Object (readonly)

Returns the value of attribute filters.



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# File 'lib/logstash/java_pipeline.rb', line 31

def filters
  @filters
end

#inputs ⇒ Object (readonly)

Returns the value of attribute inputs.



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# File 'lib/logstash/java_pipeline.rb', line 31

def inputs
  @inputs
end

#lir ⇒ Object (readonly)

Returns the value of attribute lir.



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# File 'lib/logstash/java_pipeline.rb', line 31

def lir
  @lir
end

#outputs ⇒ Object (readonly)

Returns the value of attribute outputs.



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# File 'lib/logstash/java_pipeline.rb', line 31

def outputs
  @outputs
end

#pipeline_config ⇒ Object (readonly)

Returns the value of attribute pipeline_config.



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# File 'lib/logstash/java_pipeline.rb', line 32

def pipeline_config
  @pipeline_config
end

#pipeline_id ⇒ Object (readonly)

Returns the value of attribute pipeline_id.



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# File 'lib/logstash/java_pipeline.rb', line 31

def pipeline_id
  @pipeline_id
end

#settings ⇒ Object (readonly)

Returns the value of attribute settings.



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# File 'lib/logstash/java_pipeline.rb', line 31

def settings
  @settings
end

Instance Method Details

#buildCodec(name, *args) ⇒ Object 



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# File 'lib/logstash/java_pipeline.rb', line 92

def buildCodec(name, *args)
 plugin("codec", name, 0, 0, *args)
end

#buildFilter(name, line, column, *args) ⇒ Object 



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# File 'lib/logstash/java_pipeline.rb', line 84

def buildFilter(name, line, column, *args)
  plugin("filter", name, line, column, *args)
end

#buildInput(name, line, column, *args) ⇒ Object 



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# File 'lib/logstash/java_pipeline.rb', line 88

def buildInput(name, line, column, *args)
  plugin("input", name, line, column, *args)
end

#buildOutput(name, line, column, *args) ⇒ Object 



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# File 'lib/logstash/java_pipeline.rb', line 80

def buildOutput(name, line, column, *args)
  plugin("output", name, line, column, *args)
end

#close_dlq_writer ⇒ Object 



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# File 'lib/logstash/java_pipeline.rb', line 73

def close_dlq_writer
  @dlq_writer.close
  if settings.get_value("dead_letter_queue.enable")
    DeadLetterQueueFactory.release(pipeline_id)
  end
end

#configured_as_reloadable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/logstash/java_pipeline.rb', line 104

def configured_as_reloadable?
  settings.get("pipeline.reloadable")
end

#dlq_writer ⇒ Object 



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# File 'lib/logstash/java_pipeline.rb', line 65

def dlq_writer
  if settings.get_value("dead_letter_queue.enable")
    @dlq_writer = DeadLetterQueueFactory.getWriter(pipeline_id, settings.get_value("path.dead_letter_queue"), settings.get_value("dead_letter_queue.max_bytes"))
  else
    @dlq_writer = LogStash::Util::DummyDeadLetterQueueWriter.new
  end
end

#non_reloadable_plugins ⇒ Object 



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# File 'lib/logstash/java_pipeline.rb', line 112

def non_reloadable_plugins
  (inputs + filters + outputs).select { |plugin| !plugin.reloadable? }
end

#plugin(plugin_type, name, line, column, *args) ⇒ Object 



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# File 'lib/logstash/java_pipeline.rb', line 96

def plugin(plugin_type, name, line, column, *args)
  @plugin_factory.plugin(plugin_type, name, line, column, *args)
end

#reloadable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/logstash/java_pipeline.rb', line 100

def reloadable?
  configured_as_reloadable? && reloadable_plugins?
end

#reloadable_plugins? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/logstash/java_pipeline.rb', line 108

def reloadable_plugins?
  non_reloadable_plugins.empty?
end