package hosts import ( "fmt" "net" ) func LocalHealthcheckFactory(h *Host) (func(network, address string) (net.Conn, error), error) { dialer, err := newDialer(h, "health") return dialer.DialHealthcheckLocally, err } func (d *dialer) DialHealthcheckLocally(network, addr string) (net.Conn, error) { conn, err := net.Dial(network, addr) if err != nil { return nil, fmt.Errorf("Failed to dial address [%s]: %v", addr, err) } return conn, err }