Class: Fluent::HttpBufferedOutput

Inherits:
BufferedOutput
  • Object
show all
Defined in:
lib/fluent/plugin/out_http_buffered.rb

Overview

Main Output plugin class

Instance Method Summary collapse

Constructor Details

#initialize ⇒ HttpBufferedOutput

Returns a new instance of HttpBufferedOutput.



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# File 'lib/fluent/plugin/out_http_buffered.rb', line 8

def initialize
  super
  require 'net/http'
  require 'uri'
end

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/out_http_buffered.rb', line 26

def configure(conf)
  super

  # Check if endpoint URL is valid
  unless @endpoint_url =~ /^#{URI.regexp}$/
    fail Fluent::ConfigError, 'endpoint_url invalid'
  end

  begin
    @uri = URI.parse(@endpoint_url)
  rescue URI::InvalidURIError
    raise Fluent::ConfigError, 'endpoint_url invalid'
  end

  # Parse http statuses
  @statuses = @http_retry_statuses.split(',').map { |status| status.to_i }

  @statuses = [] if @statuses.nil?

  @http = Net::HTTP.new(@uri.host, @uri.port)
  @http.read_timeout = @http_read_timeout
  @http.open_timeout = @http_open_timeout
end

#format(tag, time, record) ⇒ Object 



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# File 'lib/fluent/plugin/out_http_buffered.rb', line 62

def format(tag, time, record)
  [tag, time, record].to_msgpack
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/out_http_buffered.rb', line 54

def shutdown
  super
  begin
    @http.finish
  rescue
  end
end

#start ⇒ Object 



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

def start
  super
end

#write(chunk) ⇒ Object 



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# File 'lib/fluent/plugin/out_http_buffered.rb', line 66

def write(chunk)
  data = []
  chunk.msgpack_each do |(tag, time, record)|
    data << [tag, time, record]
  end

  request = create_request(data)

  begin
    response = @http.start do |http|
      request = create_request(data)
      http.request request
    end

    if @statuses.include? response.code.to_i
      # Raise an exception so that fluent retries
      fail "Server returned bad status: #{response.code}"
    end
  rescue IOError, EOFError, SystemCallError => e
    # server didn't respond
    $log.warn "Net::HTTP.#{request.method.capitalize} raises exception: #{e.class}, '#{e.message}'"
  ensure
    begin
      @http.finish
    rescue
    end
  end
end