Class: LogStash::Outputs::Snmptrap

Inherits:
Base
  • Object
show all
Defined in:
lib/logstash/outputs/snmptrap.rb

Overview

An example output that does nothing.

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Snmptrap

Returns a new instance of Snmptrap.



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# File 'lib/logstash/outputs/snmptrap.rb', line 26

def initialize(*args)
  super(*args)
end

Instance Method Details

#receive(event) ⇒ Object 



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# File 'lib/logstash/outputs/snmptrap.rb', line 64

def receive(event)
  return unless output?(event)
  if event == LogStash::SHUTDOWN
    finished
    return
  end
  @oid = event.sprintf(@oid)
  @codec.encode(event)
end

#register ⇒ Object 



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# File 'lib/logstash/outputs/snmptrap.rb', line 31

def register
  require "snmp"
  #from snmp trap input plugin, thanks
  # if @yamlmibdir
  #   @logger.info("checking #{@yamlmibdir} for MIBs")
  #   Dir["#{@yamlmibdir}/*.yaml"].each do |yamlfile|
  #     mib_name = File.basename(yamlfile, ".*")
  #     @yaml_mibs ||= []
  #     @yaml_mibs << mib_name
  #   end
  #   @logger.info("found MIBs: #{@yaml_mibs.join(',')}") if @yaml_mibs
  # end
  @codec.on_event do |event|

    #set some variables for the trap sender
    trapsender_opts = {:trap_port => @port, :host => @host, :community => @community }

    #check for and add user specified mibs
    # if @yaml_mibs && !@yaml_mibs.empty?
    #   trapsender_opts.merge!({:mib_dir => @yamlmibdir, :mib_modules => @yaml_mibs})
    # end
    #prep and do the full send
    SNMP::Manager.open(trapsender_opts) do |snmp|
      #set it up and send the whole event using the user specified codec
      varbind = SNMP::VarBind.new(@oid, SNMP::OctetString.new(event.to_s))

      #we dont actually care about the sys_up_time...do we.  Also I am re-using the oid that was input.
      snmp.trap_v2(0, @oid, varbind)
      end
  end
end