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
}
func migratePortMappings(config *runconfig.Config, hostConfig *runconfig.HostConfig) error {
if config.PortSpecs != nil {
ports, bindings, err := nat.ParsePortSpecs(config.PortSpecs)
if err != nil {
return err
}
config.PortSpecs = nil
if len(bindings) > 0 {
if hostConfig == nil {
hostConfig = &runconfig.HostConfig{}
}
hostConfig.PortBindings = bindings
}
if config.ExposedPorts == nil {
config.ExposedPorts = make(nat.PortSet, len(ports))
}
for k, v := range ports {
config.ExposedPorts[k] = v
}
}
return nil
}