Quick script to recursively copy files from 1 folder to another on Rackspace Cloudfiles

cloudfiles-copy.rb

require 'rubygems'
require 'fog'

# Configuration

CONTAINER_NAME = "your_container_name"
IGNORE_TYPES = ["application/directory"]
MAX_TRIES = 3
CF_USERNAME = "your_rackspace_username"
CF_API_KEY = "your_rackspace_api_key"

SRC_PATH = "staging" # Currently supports only the 1st-level folder, e.g. "[staging]/uploads/photos/1/image.jpg"
DEST_PATH = "production" # Copy from "staging/uploads/photos/1/image.jpg TO production/uploads/photos/1/image.jpg"

# Helper class for virtual path hierarchy
class FilePath
  @@delimiter = "/"

  def initialize(file)
    @path = file.key
    @segments = @path.split("/")
  end

  def path(start_depth = 0)
    @segments[start_depth..@segments.length-1].join(@@delimiter)
  end

  def segments(start_depth = 0)
    @segments[start_depth..@segments.length-1]
  end
end

# Configured for UK authentication
service = Fog::Storage.new({
  provider: 'Rackspace',
  rackspace_username: CF_USERNAME,
  rackspace_api_key: CF_API_KEY,
  rackspace_auth_url: Fog::Rackspace::UK_AUTH_ENDPOINT,
  rackspace_region: :lon,
  rackspace_servicenet: true
})

directory = service.directories.get CONTAINER_NAME
files = directory.files.all

files.each do |file|
  fp = FilePath.new(file)

  if fp.segments.first == SRC_PATH
    # check if a corresponding file exists in DEST_PATH
    check_path = "#{DEST_PATH}/#{fp.path(1)}" 

    check_file = directory.files.head(check_path)

    if check_file
      puts "\t EXISTS #{fp.path} : #{check_file.key}"
    elsif IGNORE_TYPES.include?(file.content_type)
      puts "\t IGNORE #{fp.path} (#{file.content_type})"
    else
      print "\t COPY #{fp.path} => #{check_path} (#{file.content_type})... "

      try = 0
      begin
        service.copy_object(CONTAINER_NAME, fp.path, CONTAINER_NAME, check_path)
        puts "DONE"
      rescue Excon::Errors::NotFound, Excon::Errors::Timeout, Fog::Storage::Rackspace::NotFound => e
        if try == MAX_TRIES
          $stderr.puts e.message
        else
          try += 1
          puts "RETRY \##{try} of #{MAX_TRIES}"
          retry
        end
      end
    end
  end
end