Function parsePortMap

daemon/cluster/executor/container/controller.go:651–685

(portMap network.PortMap)

}

func parsePortMap(portMap network.PortMap) ([]*api.PortConfig, error) {
	exposedPorts := make([]*api.PortConfig, 0, len(portMap))

	for port, mapping := range portMap {
		var protocol api.PortConfig_Protocol
		switch port.Proto() {
		case network.TCP:
			protocol = api.ProtocolTCP
		case network.UDP:
			protocol = api.ProtocolUDP
		case network.SCTP:
			protocol = api.ProtocolSCTP
		default:
			return nil, fmt.Errorf("invalid protocol: %s", port.Proto())
		}

		for _, binding := range mapping {
			hostPort, err := strconv.ParseUint(binding.HostPort, 10, 16)
			if err != nil {
				return nil, err
			}

			// TODO(aluzzardi): We're losing the port `name` here since
			// there's no way to retrieve it back from the Engine.
			exposedPorts = append(exposedPorts, &api.PortConfig{
				PublishMode:   api.PublishModeHost,
				Protocol:      protocol,
				TargetPort:    uint32(port.Num()),
				PublishedPort: uint32(hostPort),
			})
		}
	}

	return exposedPorts, nil
}

type exitError struct {
	code  int