mirror of
https://github.com/elastic/logstash.git
synced 2025-04-24 14:47:19 -04:00
541b673414
effect that all string literals are UTF-8 now.
This was achieved with:
sed -i -e '1 { /^# encoding: utf-8/! { i # encoding: utf-8
} }' lib/logstash/**/*.rb
54 lines
1.5 KiB
Ruby
54 lines
1.5 KiB
Ruby
# encoding: utf-8
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require "logstash/inputs/base"
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require "logstash/namespace"
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require "socket" # for Socket.gethostname
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# Stream events from a long running command pipe.
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#
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# By default, each event is assumed to be one line. If you
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# want to join lines, you'll want to use the multiline filter.
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#
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class LogStash::Inputs::Pipe < LogStash::Inputs::Base
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config_name "pipe"
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milestone 1
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# TODO(sissel): This should switch to use the 'line' codec by default
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# once we switch away from doing 'readline'
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default :codec, "plain"
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# Command to run and read events from, one line at a time.
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#
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# Example:
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#
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# command => "echo hello world"
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config :command, :validate => :string, :required => true
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public
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def register
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@logger.info("Registering pipe input", :command => @command)
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end # def register
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public
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def run(queue)
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begin
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@pipe = IO.popen(@command, mode="r")
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hostname = Socket.gethostname
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@pipe.each do |line|
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line = line.chomp
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source = "pipe://#{hostname}/#{@command}"
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@logger.debug? && @logger.debug("Received line", :command => @command, :line => line)
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@codec.decode(line) do |event|
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event["host"] = hostname
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event["command"] = @command
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decorate(event)
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queue << event
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end
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end
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rescue Exception => e
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@logger.error("Exception while running command", :e => e, :backtrace => e.backtrace)
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sleep(10)
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retry
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end
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end # def run
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end # class LogStash::Inputs::Pipe
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