Class: StackMaster::AwsDriver::S3

Inherits:
Object
  • Object
show all
Defined in:
lib/stack_master/aws_driver/s3.rb

Instance Method Summary collapse

Instance Method Details

#set_region(region) ⇒ Object 



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# File 'lib/stack_master/aws_driver/s3.rb', line 8

def set_region(region)
  @region = region
  @s3 = nil
end

#upload_files(bucket: nil, prefix: nil, region: nil, files: {}) ⇒ Object 



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# File 'lib/stack_master/aws_driver/s3.rb', line 13

def upload_files(bucket: nil, prefix: nil, region: nil, files: {})
  unless bucket
    raise StackMaster::AwsDriver::S3ConfigurationError, 'A bucket must be specified in order to use S3'
  end

  return if files.empty?

  s3 = new_s3_client(region: region)

  current_objects = s3.list_objects(
    {
      prefix: prefix,
      bucket: bucket
    }
  ).map(&:contents).flatten.inject({}) { |h, obj|
    h.merge(obj.key => obj)
  }

  StackMaster.stdout.puts "Uploading files to S3:"

  files.each do |template, file|
    body = file.fetch(:body)
    path = file.fetch(:path)
    object_key = template.dup
    object_key.prepend("#{prefix}/") if prefix
    compiled_template_md5 = Digest::MD5.hexdigest(body).to_s
    s3_md5 = current_objects[object_key] ? current_objects[object_key].etag.gsub("\"", '') : nil

    next if compiled_template_md5 == s3_md5

    s3_uri = "s3://#{bucket}/#{object_key}"
    StackMaster.stdout.print "- #{File.basename(path)} => #{s3_uri} "

    s3.put_object(
      {
        bucket: bucket,
        key: object_key,
        body: body,
        metadata: { md5: compiled_template_md5 }
      }
    )
    StackMaster.stdout.puts "done."
  end
end

#url(bucket:, prefix:, region:, template:) ⇒ Object 



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# File 'lib/stack_master/aws_driver/s3.rb', line 58

def url(bucket:, prefix:, region:, template:)
  if region == 'us-east-1'
    ["https://s3.amazonaws.com", bucket, prefix, template].compact.join('/')
  elsif region.start_with? "cn-"
    ["https://s3.#{region}.amazonaws.com.cn", bucket, prefix, template].compact.join('/')
  else
    ["https://s3-#{region}.amazonaws.com", bucket, prefix, template].compact.join('/')
  end
end