class Fluent::Plugin::S3Output::GzipCommandCompressor

Public Instance Methods

compress(chunk, tmp) click to toggle source
# File lib/fluent/plugin/s3_compressor_gzip_command.rb, line 21
def compress(chunk, tmp)
  chunk_is_file = @buffer_type == 'file'
  path = if chunk_is_file
           chunk.path
         else
           w = Tempfile.new("chunk-gzip-tmp")
           w.binmode
           chunk.write_to(w)
           w.close
           w.path
         end

  res = system "gzip #{@command_parameter} -c #{path} > #{tmp.path}"
  unless res
    log.warn "failed to execute gzip command. Fallback to GzipWriter. status = #{$?}"
    begin
      tmp.truncate(0)
      gw = Zlib::GzipWriter.new(tmp)
      chunk.write_to(gw)
      gw.close
    ensure
      gw.close rescue nil
    end
  end
ensure
  unless chunk_is_file
    w.close(true) rescue nil
  end
end
configure(conf) click to toggle source
# File lib/fluent/plugin/s3_compressor_gzip_command.rb, line 8
def configure(conf)
  super
  check_command('gzip')
end
content_type() click to toggle source
# File lib/fluent/plugin/s3_compressor_gzip_command.rb, line 17
def content_type
  'application/x-gzip'.freeze
end
ext() click to toggle source
# File lib/fluent/plugin/s3_compressor_gzip_command.rb, line 13
def ext
  'gz'.freeze
end