Set Retryer MaxBackoff to 5 minutes to match AWS SDK for Go v1 DefaultRetryerMaxRetryDelay.

Author: ewbankkit

aws_config.go

@@ -201,6 +201,12 @@ func resolveRetryer(ctx context.Context, tokenBucketRateLimiterCapacity int, aws
 	}
 
 	var standardOptions []func(*retry.StandardOptions)
+	standardOptions = append(standardOptions, func(so *retry.StandardOptions) {
+		// AWS SDK for Go v1 DefaultRetryerMaxRetryDelay: https://github.com/aws/aws-sdk-go/blob/9f6e3bb9f523aef97fa1cd5c5f8ba8ecf212e44e/aws/client/default_retryer.go#L48-L49.
+		// Note that certain EC2 operations have a lower value: https://github.com/aws/aws-sdk-go/blob/9f6e3bb9f523aef97fa1cd5c5f8ba8ecf212e44e/service/ec2/customizations.go#L34-L46
+		so.MaxBackoff = 300 * time.Second
+	})
+
 	if v, found, _ := awsconfig.GetRetryMaxAttempts(ctx, awsConfig.ConfigSources); found && v != 0 {
 		standardOptions = append(standardOptions, func(so *retry.StandardOptions) {
 			so.MaxAttempts = v