ping.go

package registry

// Ping tries to contact a registry URL to make sure it is up and accessible.
func (r *Registry) Ping() error {
	url := r.url("/v2/")
	r.Logf("registry.ping url=%s", url)
	resp, err := r.Client.Get(url)
	if resp != nil {
		defer resp.Body.Close()
	}
	return err
}