Function NewRawInstanceKey

go/mysql/instance_key.go:37–61

ParseInstanceKey will parse an InstanceKey from a string representation such as 127.0.0.1:3306

(hostPort string)

// ParseInstanceKey will parse an InstanceKey from a string representation such as 127.0.0.1:3306
func NewRawInstanceKey(hostPort string) (*InstanceKey, error) {
	var hostname, port string
	if submatch := ipv4HostPortRegexp.FindStringSubmatch(hostPort); len(submatch) > 0 {
		hostname = submatch[1]
		port = submatch[2]
	} else if submatch := ipv4HostRegexp.FindStringSubmatch(hostPort); len(submatch) > 0 {
		hostname = submatch[1]
	} else if submatch := ipv6HostPortRegexp.FindStringSubmatch(hostPort); len(submatch) > 0 {
		hostname = submatch[1]
		port = submatch[2]
	} else if submatch := ipv6HostRegexp.FindStringSubmatch(hostPort); len(submatch) > 0 {
		hostname = submatch[1]
	} else {
		return nil, fmt.Errorf("cannot parse address: %s", hostPort)
	}
	instanceKey := &InstanceKey{Hostname: hostname, Port: DefaultInstancePort}
	if port != "" {
		var err error
		if instanceKey.Port, err = strconv.Atoi(port); err != nil {
			return instanceKey, fmt.Errorf("invalid port: %s", port)
		}
	}

	return instanceKey, nil
}

// ParseInstanceKey will parse an InstanceKey from a string representation such as 127.0.0.1:3306.
// The port part is optional; there will be no name resolve