Class: Fluent::Plugin::S3Input::LZMA2Extractor

Inherits:
Extractor
  • Object
show all
Defined in:
lib/fluent/plugin/s3_extractor_lzma2.rb

Instance Attribute Summary

Attributes inherited from Extractor

#log

Instance Method Summary collapse

Methods inherited from Extractor

#initialize

Constructor Details

This class inherits a constructor from Fluent::Plugin::S3Input::Extractor

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/s3_extractor_lzma2.rb', line 8

def configure(conf)
  super
  check_command('xz', 'LZMA')
end

#content_type ⇒ Object 



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# File 'lib/fluent/plugin/s3_extractor_lzma2.rb', line 17

def content_type
  'application/x-xz'.freeze
end

#ext ⇒ Object 



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# File 'lib/fluent/plugin/s3_extractor_lzma2.rb', line 13

def ext
  'xz'.freeze
end

#extract(io) ⇒ Object 



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# File 'lib/fluent/plugin/s3_extractor_lzma2.rb', line 21

def extract(io)
  path = if io.respond_to?(path)
           io.path
         else
           temp = Tempfile.new("xz-temp")
           temp.write(io.read)
           temp.close
           temp.path
         end

  stdout, succeeded = Open3.capture2("xz #{@command_parameter} #{path}")
  if succeeded
    stdout
  else
    raise "Failed to extract #{path} with xz command."
  end
end