out_s3.rb in fluent-plugin-s3-1.3.1

- old
+ new

@@ -82,10 +82,12 @@
     config_param :s3_region, :string, default: ENV["AWS_REGION"] || "us-east-1"
     desc "Use 's3_region' instead"
     config_param :s3_endpoint, :string, default: nil
     desc "If true, S3 Transfer Acceleration will be enabled for uploads. IMPORTANT: You must first enable this feature on your destination S3 bucket"
     config_param :enable_transfer_acceleration, :bool, default: false
+    desc "If true, use Amazon S3 Dual-Stack Endpoints. Will make it possible to use either IPv4 or IPv6 when connecting to S3."
+    config_param :enable_dual_stack, :bool, default: false
     desc "If false, the certificate of endpoint will not be verified"
     config_param :ssl_verify_peer, :bool, :default => true
     desc "The format of S3 object keys"
     config_param :s3_object_key_format, :string, default: "%{path}%{time_slice}_%{index}.%{file_extension}"
     desc "If true, the bucket name is always left in the request URI and never moved to the host as a sub-domain"
@@ -221,9 +223,10 @@
     def start
       options = setup_credentials
       options[:region] = @s3_region if @s3_region
       options[:endpoint] = @s3_endpoint if @s3_endpoint
       options[:use_accelerate_endpoint] = @enable_transfer_acceleration
+      options[:use_dualstack_endpoint] = @enable_dual_stack
       options[:http_proxy] = @proxy_uri if @proxy_uri
       options[:force_path_style] = @force_path_style
       options[:compute_checksums] = @compute_checksums unless @compute_checksums.nil?
       options[:signature_version] = @signature_version unless @signature_version.nil?
       options[:ssl_verify_peer] = @ssl_verify_peer