Class: Fluent::PullForwardOutput

Inherits:
BufferedOutput
  • Object
show all
Includes:
Mixin::Certificate, Mixin::ConfigPlaceholders
Defined in:
lib/fluent/plugin/out_pull_forward.rb

Defined Under Namespace

Classes: HtpasswdDummy

Constant Summary collapse

DEFAULT_PULLFORWARD_LISTEN_PORT = 
24280

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PullForwardOutput

Returns a new instance of PullForwardOutput.



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# File 'lib/fluent/plugin/out_pull_forward.rb', line 42

def initialize
  super
end

Instance Method Details

#configure(conf) ⇒ Object 



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

def configure(conf)
  super
  if @users.size < 1
    raise Fluent::ConfigError, "no <user> sections specified"
  end
end

#dequeue_chunks ⇒ Object 



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# File 'lib/fluent/plugin/out_pull_forward.rb', line 130

def dequeue_chunks
  response = []

  unpacker = MessagePack::Unpacker.new

  @buffer.pull_chunks do |chunk|
    next if chunk.empty?
    unpacker.feed_each(chunk.read) do |ary|
      response << ary
    end
  end

  response.to_json
end

#format(tag, time, record) ⇒ Object 



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# File 'lib/fluent/plugin/out_pull_forward.rb', line 126

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

#run ⇒ Object 



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# File 'lib/fluent/plugin/out_pull_forward.rb', line 78

def run
  cert, key = self.certificate
  realm = "Fluentd fluent-plugin-pullforward server"

  logger = $log
  auth_logger = Fluent::PluginLogger.new(logger)
  auth_logger.level = @auth_loglevel
  server_logger = Fluent::PluginLogger.new(logger)
  server_logger.level = @server_loglevel

  auth_db = HtpasswdDummy.new
  @users.each do |user|
    auth_db.set_passwd(realm, user.username, user.password)
  end
  authenticator = WEBrick::HTTPAuth::BasicAuth.new(
    :UserDB => auth_db,
    :Realm => realm,
    :Logger => Fluent::PullForward::WEBrickLogger.new(auth_logger),
  )

  @server = WEBrick::HTTPServer.new(
    :BindAddress => @bind,
    :Port => @port,
    # :DocumentRoot => '.',
    :Logger => Fluent::PullForward::WEBrickLogger.new(server_logger),
    :AccessLog => [],
    :SSLEnable  => true,
    :SSLCertificate => cert,
    :SSLPrivateKey => key
  )
  @server.logger.info("hogepos")

  @server.mount_proc('/') do |req, res|
    unless req.ssl?
      raise WEBrick::HTTPStatus::Forbidden, "pullforward plugin does not permit non-HTTPS requests"
    end
    if req.path != '/'
      raise WEBrick::HTTPStatus::NotFound, "valid path is only '/'"
    end
    authenticator.authenticate(req, res)
    res.content_type = 'application/json'
    res.body = dequeue_chunks()
  end

  log.info "listening pullforward socket on #{@bind}:#{@port}"
  @server.start
end

#shutdown ⇒ Object 



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

def shutdown
  @server.stop if @server
  @thread.kill
  @thread.join
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/out_pull_forward.rb', line 57

def start
  super
  @thread = Thread.new(&method(:run))
end