Class: SimpleS3

Inherits:
Object
  • Object
show all
Defined in:
lib/simple-s3/version.rb,
lib/simple-s3/simple-s3.rb

Constant Summary collapse

VERSION = 
"1.0.20"

Class Method Summary collapse

Class Method Details

.cloudfront_distribution_id ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 32

def self.cloudfront_distribution_id
  self.config['cloudfront_distribution_id']
end

.config ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 3

def self.config
  if @config.nil?
    path = './simple-s3.yml'
    raise "Simple-S3: Config file not found #{path}" unless File.exist?(path)
    @config = YAML.load_file(path)
  end
  @config
end

.default_exclude_files ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 12

def self.default_exclude_files
  ['simple-s3.yml', '.git', '.rvmrc', 'Gemfile', 'Gemfile.lock', '.gitignore', '.gitmodules']
end

.get_files(config) ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 41

def self.get_files(config)
  exclude  = config['exclude_files'] || []
  exclude |= self.default_exclude_files
  inc      = config['include_files'] || './**/*'
  inc = [inc] unless inc.is_a?(Array)

  files = []
  inc.each do |ii|
    Dir[ii].each do |file|
      path = File.expand_path(file)
      next if File.directory?(path)

      name = File.basename(file)
      found = false
      exclude.each do |ex|
        found = true if file.start_with?(ex) || ex == name
      end
      files.push(file) unless found
    end
  end

  files
end

.invalidate! ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 109

def self.invalidate!
  distribution = self.cloudfront_distribution_id
  return if distribution.nil?

      = self.s3_access_key
  aws_secret     = self.s3_secret_key

  path = ['/','/*','/**/*']

  date = Time.now.strftime("%a, %d %b %Y %H:%M:%S %Z")
  digest = Base64.encode64(OpenSSL::HMAC.digest(OpenSSL::Digest::Digest.new('sha1'), aws_secret, date)).strip
  uri = URI.parse("https://cloudfront.amazonaws.com/2012-07-01/distribution/#{distribution}/invalidation")

  path_xml = ''
  path.each do |p|
    path_xml += '<Path>'+p+'</Path>'
  end

  req = Net::HTTP::Post.new(uri.path)
  req.initialize_http_header({
    'x-amz-date' => date,
    'Content-Type' => 'text/xml',
    'Authorization' => "AWS %s:%s" % [, digest]
  })

  xml = '<InvalidationBatch xmlns="http://cloudfront.amazonaws.com/doc/2012-07-01/">' +
        ' <Paths>' +
        '  <Quantity>' + path.length.to_s + '</Quantity>' + 
        '  <Items>' +
        path_xml + 
        '  </Items>' +
        ' </Paths>' +
        ' <CallerReference>SOMETHING_SPECIAL_' + Time.now.utc.to_i.to_s + '</CallerReference>' +
        '</InvalidationBatch>'
  req.body = xml

  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true
  http.verify_mode = OpenSSL::SSL::VERIFY_NONE
  res = http.request(req)
  
  # it was successful if response code was a 201
  if res.code == '201'
    puts 'Simple-S3: Invalidation Successful'
  else
    raise res.body.to_s
  end
end

.run! ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 36

def self.run!
  self.upload!
  self.invalidate!
end

.s3_access_key ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 16

def self.s3_access_key
  self.config['s3_access_key']
end

.s3_bucket ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 24

def self.s3_bucket
  self.config['s3_bucket']
end

.s3_bucket_endpoint ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 28

def self.s3_bucket_endpoint
  self.config['s3_bucket_endpoint']
end

.s3_secret_key ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 20

def self.s3_secret_key
  self.config['s3_secret_key']
end

.upload! ⇒ Object 



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# File 'lib/simple-s3/simple-s3.rb', line 65

def self.upload!
  bucket      = self.s3_bucket
  raise 'Simple-S3: Bucket not defined' if bucket.length == 0

  metadata    = config['metadata'] || {}
  metadata[:access] ||= 'public-read'

  files = self.get_files(config)

  raise 'Simple-S3: No files found' if files.length == 0

  new_endpoint = self.s3_bucket_endpoint.to_s
  if new_endpoint.length > 0
    old_endpoint = AWS::S3::DEFAULT_HOST.to_s
    puts "Simple-S3: Changing the bucket endpoint from '#{old_endpoint}' to '#{new_endpoint}'"
    AWS::S3::DEFAULT_HOST.replace(new_endpoint)
  end

  s3_auth_options = {
    :access_key_id     => self.s3_access_key,
    :secret_access_key => self.s3_secret_key
  }

  begin
    AWS::S3::Base.establish_connection!(s3_auth_options)
  rescue Exception => e
    raise 'Simple-S3: Unable to establish connection to AWS (this may because of an invalid bucket name)'
  end

  files.each do |file|
    path = File.expand_path(file)
    final_file = file.gsub(/^\.\//, '')
    puts "Simple-S3: Uploading #{file} as '#{final_file}' to '#{bucket}'"
    AWS::S3::S3Object.store(
      final_file,
      File.open(path),
      bucket,
      metadata
    )
  end

  puts "Simple-S3: Upload Completed!"
end