Class: S3Stream::Main

Inherits:
Thor
  • Object
show all
Defined in:
lib/s3stream/main.rb

Instance Method Summary collapse

Instance Method Details

#fetch(bucket_name, filename) ⇒ Object 



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# File 'lib/s3stream/main.rb', line 4

def fetch(bucket_name, filename)
  require "aws/s3"
  AWS::S3::Base.establish_connection!(S3Stream::CREDENTIALS)
  AWS::S3::S3Object.stream(filename, bucket_name) do |chunk|
    $stdout.write chunk
  end
end

#store(bucket_name, filename) ⇒ Object 



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# File 'lib/s3stream/main.rb', line 13

def store(bucket_name, filename)
  require "aws-sdk"
  $stdout.sync = true
  s3 = AWS::S3.new(S3Stream::CREDENTIALS)
  bucket = s3.buckets[bucket_name]
  object = bucket.objects[filename]
  buffer = ""
  total = 0
  buffer_size = INITIAL_BUFFER_SIZE
  puts "Uploading, please be patient."
  object.multipart_upload do |upload|
    (1..MAX_CHUNKS).each do |chunk|
      if $stdin.eof?
        puts "End of input."
        break
      end
      if chunk < MAX_CHUNKS
        print "Buffering input (up to #{buffer_size} bytes) ... "
        $stdin.read(buffer_size, buffer)
        puts "done."
        print "Uploading part #{chunk} (#{buffer.size} bytes) ... "
        upload.add_part(buffer)
        puts "done."
        buffer_size = (buffer_size * BUFFER_GROWTH_FACTOR).to_i
      else
        print "Last part (#{chunk})! Buffering input (unlimited) ..."
        buffer = $stdin.read
        puts "done."
        print "Uploading part #{chunk} (#{buffer.size} bytes) ... "
        upload.add_part(buffer)
        puts "done."
      end
      total += buffer.size
    end
  end
  puts "Done uploading to s3://#{bucket_name}/#{filename} (#{total} bytes)"
end