Imports github.com/armon/go-metrics github.com/hashicorp/errwrap github.com/mgutz/logxi/v1 github.com/go-sql-driver/mysql github.com/hashicorp/vault/physical github.com/hashicorp/vault/helper/strutil Standard library imports crypto/tls crypto/x509 fmt io/ioutil net/url sort strconv strings time database/sql