Imports github.com/aws/aws-sdk-go/aws/client github.com/aws/aws-sdk-go/aws/request github.com/aws/aws-sdk-go/aws/session github.com/jetstack/cert-manager/pkg/issuer/acme/dns/util github.com/aws/aws-sdk-go/aws/credentials github.com/aws/aws-sdk-go/service/route53 Standard library imports fmt math/rand os strings time