fluentd-ui/app/models/fluentd/setting/out_s3.rb

class Fluentd
  module Setting
    class OutS3
      include Fluentd::Setting::Plugin

      register_plugin("output", "s3")

      def self.initial_params
        {
          s3_region: "us-west-1",
          buffer_type: "file",
          buffer: {
            "0" => {
              "type" => "file",
              "path" => "/var/log/td-agent/buffer/s3",
            }
          },
          format_type: "out_file",
          format: {
            "0" => {
              "type" => "out_file"
            }
          }
        }
      end

      def common_options
        [
          :label,
          :pattern,
          :s3_region, :s3_bucket, :use_ssl, :path,
        ]
      end

      def hidden_options
        [
          :secondary, :inject, :buffer, :format,
        ] + aws_credential_options + aws_credential_sections
      end

      def aws_credential_options
        [
          :aws_key_id, :aws_sec_key,
        ]
      end

      def aws_credential_sections
        [
          :assume_role_credentials,
          :instance_profile_credentials,
          :shared_credentials
        ]
      end
    end
  end
end