Class: Fluent::SplunkAPIOutput

Inherits:
BufferedOutput
  • Object
show all
Defined in:
lib/fluent/plugin/out_splunkapi-ssnl.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SplunkAPIOutput

Returns a new instance of SplunkAPIOutput.



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# File 'lib/fluent/plugin/out_splunkapi-ssnl.rb', line 44

def initialize
  super
  require 'net/http/persistent'
  require 'json'
  @idx_indexers = 0
  @indexers = []
end

Instance Method Details

#chunk_to_buffers(chunk) ⇒ Object 



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# File 'lib/fluent/plugin/out_splunkapi-ssnl.rb', line 83

def chunk_to_buffers(chunk)
  buffers = {}
  chunk.msgpack_each do |tag, message|
    event = JSON.parse(message)
    uri = get_baseurl(tag, event)
    (buffers[uri] ||= []) << event['payload']
  end
  return buffers
end

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/out_splunkapi-ssnl.rb', line 52

def configure(conf)
  super

  if @server.match(/,/)
    @indexers = @server.split(',')
  else
    @indexers = [@server]
  end
end

#format(tag, time, record) ⇒ Object 



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# File 'lib/fluent/plugin/out_splunkapi-ssnl.rb', line 78

def format(tag, time, record)
  event = "#{record.to_json}\n"
  [tag, event].to_msgpack
end

#get_baseurl(key, event) ⇒ Object 



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# File 'lib/fluent/plugin/out_splunkapi-ssnl.rb', line 124

def get_baseurl(key, event)
  base_url = ''
  @username, @password = @auth.split(':')
  server = @indexers[@idx_indexers];
  @idx_indexers = (@idx_indexers + 1) % @indexers.length
  base_url = "https://#{server}/services/receivers/simple?sourcetype=#{key}"
  base_url += "&host=#{event['host']}"
  base_url += "&index=#{@index}"
  base_url += "&source=#{event['source']}"
  base_url += "&check-index=false" unless @check_index
  base_url
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/out_splunkapi-ssnl.rb', line 70

def shutdown
  # NOTE: call super before @http.shutdown because super may flush final output
  super

  @http.shutdown
  log.debug "shutdown from splunkapi"
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/out_splunkapi-ssnl.rb', line 62

def start
  super
  @http = Net::HTTP::Persistent.new 'fluentd-plugin-splunkapi'
  @http.verify_mode = OpenSSL::SSL::VERIFY_NONE unless @verify
  @http.headers['Content-Type'] = 'text/plain'
  log.info "initialized for splunkapi"
end

#write(chunk) ⇒ Object 



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# File 'lib/fluent/plugin/out_splunkapi-ssnl.rb', line 93

def write(chunk)
  chunk_to_buffers(chunk).each do |url, messages|
    uri = URI url
    post = Net::HTTP::Post.new uri.request_uri
    post.basic_auth @username, @password
    post.body = messages.join('')
    log.debug "POST #{uri}"
    # retry up to :post_retry_max times
    1.upto(@post_retry_max) do |c|
      response = @http.request uri, post
      log.debug "=> #{response.code} (#{response.message})"
      if response.code == "200"
        # success
        break
      elsif response.code.match(/^40/)
        # user error
        log.error "#{uri}: #{response.code} (#{response.message})\n#{response.body}"
        break
      elsif c < @post_retry_max
        # retry
        sleep @post_retry_interval
        next
      else
        # other errors. fluentd will retry processing on exception
        # FIXME: this may duplicate logs when using multiple buffers
        raise "#{uri}: #{response.message}"
      end
    end
  end
end