Sha256: 61be90deb9b5d090076d3d4ab7209587342d047375881a71d2f9ccf88aa2ea56
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Versions: 9
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Contents
# encoding: utf-8
require "logstash/inputs/base"
require "logstash/namespace"
require "stud/interval"
require "socket" # for Socket.gethostname
# Generate a repeating message.
#
# This plugin is intented only as an example.
class LogStash::Inputs::Example < LogStash::Inputs::Base
config_name "example"
# If undefined, Logstash will complain, even if codec is unused.
default :codec, "plain"
# The message string to use in the event.
config :message, :validate => :string, :default => "Hello World!"
# Set how frequently messages should be sent.
#
# The default, `1`, means send a message every second.
config :interval, :validate => :number, :default => 1
public
def register
@host = Socket.gethostname
end # def register
def run(queue)
# we can abort the loop if stop? becomes true
while !stop?
event = LogStash::Event.new("message" => @message, "host" => @host)
decorate(event)
queue << event
# because the sleep interval can be big, when shutdown happens
# we want to be able to abort the sleep
# Stud.stoppable_sleep will frequently evaluate the given block
# and abort the sleep(@interval) if the return value is true
Stud.stoppable_sleep(@interval) { stop? }
end # loop
end # def run
def stop
# nothing to do in this case so it is not necessary to define stop
# examples of common "stop" tasks:
# * close sockets (unblocking blocking reads/accepts)
# * cleanup temporary files
# * terminate spawned threads
end
end # class LogStash::Inputs::Example
Version data entries
9 entries across 9 versions & 3 rubygems