Module: S3sync

Includes:
S3Config
Defined in:
lib/s3sync/s3try.rb,
lib/s3sync.rb,
lib/s3sync/HTTPStreaming.rb

Overview

module

Defined Under Namespace

Classes: ProgressStream

Constant Summary collapse

VERSION = 
'1.3.0'

Class Method Summary collapse

Class Method Details

.hashPairs(ar) ⇒ Object

turn an array into a hash of pairs



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# File 'lib/s3sync.rb', line 25

def S3sync.hashPairs(ar)
  ret = Hash.new
  ar.each do |item|
    name = (/^(.*?):/.match(item))[1]
    item = (/^.*?:(.*)$/.match(item))[1]
    ret[name] = item
  end if ar
  ret
end

.s3cmdList(bucket, path, max = nil, delim = nil, marker = nil, headers = {}) ⇒ Object 



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# File 'lib/s3sync.rb', line 14

def S3sync.s3cmdList(bucket, path, max=nil, delim=nil, marker=nil, headers={})
  debug(max)
  options = Hash.new
  options['prefix'] = path # start at the right depth
  options['max-keys'] = max ? max.to_s : 100
  options['delimiter'] = delim if delim
  options['marker'] = marker if marker
  S3try(:list_bucket, bucket, options, headers)
end

.S3try(command, bucket, *args) ⇒ Object 



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# File 'lib/s3sync/s3try.rb', line 67

def S3sync.S3try(command, bucket, *args)
  if(not $S3syncHttp or (bucket != $S3syncLastBucket))
    $stderr.puts "Creating new connection" if $S3syncOptions['--debug']
    $S3syncLastBucket = bucket
    while $S3syncRetriesLeft > 0 do
      begin
        S3sync.S3tryConnect(bucket)
        break
      rescue Errno::ECONNRESET => e
        $stderr.puts "Connection reset: #{e}"
      rescue Errno::ECONNABORTED => e
        $stderr.puts "Connection aborted: #{e}"
      rescue Errno::ETIMEDOUT => e
        $stderr.puts "Connection timed out: #{e}"
      rescue Timeout::Error => e
        $stderr.puts "Connection timed out: #{e}"
      end
      $S3syncRetriesLeft -= 1
      $stderr.puts "#{$S3syncRetriesLeft} retries left, sleeping for #{$S3SYNC_WAITONERROR} seconds"
      Kernel.sleep $S3SYNC_WAITONERROR.to_i
    end
  end

  result = nil
  delim = $,
  $,=' '
  while $S3syncRetriesLeft > 0 do
    $stderr.puts "Trying command #{command} #{bucket} #{args} with #{$S3syncRetriesLeft} retries left" if $S3syncOptions['--debug']
    forceRetry = false
    now = false
    hush = false
    begin
      result = $S3syncConnection.send(command, bucket, *args)
    rescue Errno::EPIPE => e
      forceRetry = true
      $stderr.puts "Broken pipe: #{e}" 
    rescue Errno::ECONNRESET => e
      forceRetry = true
      $stderr.puts "Connection reset: #{e}" 
    rescue Errno::ECONNABORTED => e
      forceRetry = true
      $stderr.puts "Connection aborted: #{e}" 
    rescue Errno::ETIMEDOUT => e
      forceRetry = true
      $stderr.puts "Connection timed out: #{e}"
    rescue Timeout::Error => e
      forceRetry = true
      $stderr.puts "Connection timed out: #{e}" 
    rescue EOFError => e
      # i THINK this is happening like a connection reset
      forceRetry = true
      $stderr.puts "EOF error: #{e}"
    rescue OpenSSL::SSL::SSLError => e
      forceRetry = true
      $stderr.puts "SSL Error: #{e}"
    rescue NoMethodError => e
      # we get this when using --progress, and the local item is something unreadable
      $stderr.puts "Null stream error: #{e}"
      break
    end
    if forceRetry
      # kill and reset connection when we receive a non-50x yet retry-able error
      S3sync.S3tryConnect(bucket)
    end
    begin
      debug("Response code: #{result.http_response.code}")
      break if ((200...300).include? result.http_response.code.to_i) and (not forceRetry)
      if result.http_response.code.to_i == 301
        $stderr.puts "Permanent redirect received. Try setting AWS_CALLING_FORMAT to SUBDOMAIN"
      elsif result.http_response.code.to_i == 307
        # move to the other host
        host = %r{https?://([^/]+)}.match(result.http_response['Location'])[1]
        $stderr.puts("Temporary Redirect to: " + host)
        debug("Host: " + host)
        S3sync.S3tryConnect(bucket, host)
        $S3syncRetriesLeft = $S3syncRetriesLeft+1 # don't use one up below
        forceRetry = true
        now = true
        hush = true
      else
        $stderr.puts "S3 command failed:\n#{command} #{args}"
        $stderr.puts "With result #{result.http_response.code} #{result.http_response.message}\n"
        debug(result.http_response.body)
      end
      # only retry 500's, per amazon
      break unless ((500...600).include? result.http_response.code.to_i) or forceRetry
    rescue NoMethodError
      debug("No result available")
    end
    $S3syncRetriesLeft -= 1
    $stderr.puts "#{$S3syncRetriesLeft} retries left, sleeping for #{$S3SYNC_WAITONERROR} seconds" unless hush
    Kernel.sleep $S3SYNC_WAITONERROR.to_i unless now
  end
  if $S3syncRetriesLeft <= 0
    $stderr.puts "Ran out of retries; operations did not complete!"
  end
  $, = delim
  result
end

.S3tryConnect(bucket, host = '') ⇒ Object 



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# File 'lib/s3sync/s3try.rb', line 63

def S3sync.S3tryConnect(bucket, host='')
  $S3syncHttp = $S3syncConnection.make_http(bucket, host, $HTTP_PROXY_HOST, $HTTP_PROXY_PORT, $HTTP_PROXY_USER, $HTTP_PROXY_PASSWORD)
end

.s3trySetup ⇒ Object 



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# File 'lib/s3sync/s3try.rb', line 40

def S3sync.s3trySetup

  # ---------- CONNECT ---------- #

  $S3syncConnection = S3::AWSAuthConnection.new($AWS_ACCESS_KEY_ID, $AWS_SECRET_ACCESS_KEY, $S3syncOptions['--ssl'], $AWS_S3_HOST)
  $S3syncConnection.calling_format = S3::CallingFormat::string_to_format($AWS_CALLING_FORMAT)
  if $S3syncOptions['--ssl']
    if $SSL_CERT_DIR
      $S3syncConnection.verify_mode = OpenSSL::SSL::VERIFY_PEER
      $S3syncConnection.ca_path = $SSL_CERT_DIR
    elsif $SSL_CERT_FILE
      $S3syncConnection.verify_mode = OpenSSL::SSL::VERIFY_PEER
      $S3syncConnection.ca_file = $SSL_CERT_FILE
    end
  end
end

.S3url(command, bucket, *args) ⇒ Object 



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# File 'lib/s3sync/s3try.rb', line 167

def S3sync.S3url(command, bucket, *args)
  S3sync.s3urlSetup() unless $S3syncGenerator
  result = nil
  delim = $,
  $,=' '
  $stderr.puts "Calling command #{command} #{bucket} #{args}" if $S3syncOptions['--debug']
  result = $S3syncGenerator.send(command, bucket, *args)
  $, = delim
  result
end

.s3urlSetup ⇒ Object 



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# File 'lib/s3sync/s3try.rb', line 57

def S3sync.s3urlSetup
  $S3syncGenerator = S3::QueryStringAuthGenerator.new($AWS_ACCESS_KEY_ID, $AWS_SECRET_ACCESS_KEY, $S3syncOptions['--ssl'], $AWS_S3_HOST)
  $S3syncGenerator.calling_format = S3::CallingFormat::string_to_format($AWS_CALLING_FORMAT)
  $S3syncGenerator.expires_in = $S3syncOptions['--expires-in']
end