func (daemon *Daemon) RegisterLinks(container *Container, hostConfig *runconfig.HostConfig) error {
if hostConfig != nil && hostConfig.Links != nil {
for _, l := range hostConfig.Links {
parts, err := parsers.PartParser("name:alias", l)
if err != nil {
return err
}
child, err := daemon.GetByName(parts["name"])
if err != nil {
return err
}
if child == nil {
return fmt.Errorf("Could not get container for %s", parts["name"])
}
if err := daemon.RegisterLink(container, child, parts["alias"]); err != nil {
return err
}
}
// After we load all the links into the daemon
// set them to nil on the hostconfig
hostConfig.Links = nil
if err := container.WriteHostConfig(); err != nil {
return err
}
}
return nil
}
// We will receive port specs in the format of ip:public:private/proto and these need to be
// parsed in the internal types
func ParsePortSpecs(ports []string) (map[Port]struct{}, map[Port][]PortBinding, error) {
var (
exposedPorts = make(map[Port]struct{}, len(ports))
bindings = make(map[Port][]PortBinding)
)
for _, rawPort := range ports {
proto := "tcp"
if i := strings.LastIndex(rawPort, "/"); i != -1 {
proto = rawPort[i+1:]
rawPort = rawPort[:i]
}
if !strings.Contains(rawPort, ":") {
rawPort = fmt.Sprintf("::%s", rawPort)
} else if len(strings.Split(rawPort, ":")) == 2 {
rawPort = fmt.Sprintf(":%s", rawPort)
}
parts, err := parsers.PartParser(PortSpecTemplate, rawPort)
if err != nil {
return nil, nil, err
}
var (
containerPort = parts["containerPort"]
rawIp = parts["ip"]
hostPort = parts["hostPort"]
)
if rawIp != "" && net.ParseIP(rawIp) == nil {
return nil, nil, fmt.Errorf("Invalid ip address: %s", rawIp)
}
if containerPort == "" {
return nil, nil, fmt.Errorf("No port specified: %s<empty>", rawPort)
}
if _, err := strconv.ParseUint(containerPort, 10, 16); err != nil {
return nil, nil, fmt.Errorf("Invalid containerPort: %s", containerPort)
}
if _, err := strconv.ParseUint(hostPort, 10, 16); hostPort != "" && err != nil {
return nil, nil, fmt.Errorf("Invalid hostPort: %s", hostPort)
}
if !validateProto(proto) {
return nil, nil, fmt.Errorf("Invalid proto: %s", proto)
}
port := NewPort(proto, containerPort)
if _, exists := exposedPorts[port]; !exists {
exposedPorts[port] = struct{}{}
}
binding := PortBinding{
HostIp: rawIp,
HostPort: hostPort,
}
bslice, exists := bindings[port]
if !exists {
bslice = []PortBinding{}
}
bindings[port] = append(bslice, binding)
}
return exposedPorts, bindings, nil
}
func ValidateLink(val string) (string, error) {
if _, err := parsers.PartParser("name:alias", val); err != nil {
return val, err
}
return val, nil
}