// NewDNSProvider returns a DNSProvider instance configured for the AWS
// Route 53 service.
//
// AWS Credentials are automatically detected in the following locations
// and prioritized in the following order:
// 1. Environment variables: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY,
// AWS_REGION, [AWS_SESSION_TOKEN]
// 2. Shared credentials file (defaults to ~/.aws/credentials)
// 3. Amazon EC2 IAM role
//
// See also: https://github.com/aws/aws-sdk-go/wiki/configuring-sdk
func NewDNSProvider() (*DNSProvider, error) {
r := customRetryer{}
r.NumMaxRetries = maxRetries
config := request.WithRetryer(aws.NewConfig(), r)
client := route53.New(session.New(config))
return &DNSProvider{client: client}, nil
}
// NewTransport gives new resilient transport for the given ClientOptions.
func NewTransport(opts *ClientOptions) *aws.Config {
cfg := aws.NewConfig().WithHTTPClient(httputil.DefaultRestClient(opts.Debug))
retryer := &transportRetryer{
MaxTries: 3,
}
if opts.Log != nil {
retryer.Log = opts.Log.New("transport")
}
return request.WithRetryer(cfg, retryer)
}