// InitializeNetworking creates the container's network stack outside of the namespace and moves
// interfaces into the container's net namespaces if necessary
func InitializeNetworking(container *libcontainer.Config, nspid int, pipe *syncpipe.SyncPipe, networkState *network.NetworkState) error {
for _, config := range container.Networks {
strategy, err := network.GetStrategy(config.Type)
if err != nil {
return err
}
if err := strategy.Create((*network.Network)(config), nspid, networkState); err != nil {
return err
}
}
return pipe.SendToChild(networkState)
}
// setupVethNetwork uses the Network config if it is not nil to initialize
// the new veth interface inside the container for use by changing the name to eth0
// setting the MTU and IP address along with the default gateway
func setupNetwork(container *libcontainer.Config, networkState *network.NetworkState) error {
for _, config := range container.Networks {
strategy, err := network.GetStrategy(config.Type)
if err != nil {
return err
}
err1 := strategy.Initialize((*network.Network)(config), networkState)
if err1 != nil {
return err1
}
}
return nil
}