Example #1
0
File: main.go Project: dcbw/cni
func cmdAdd(args *skel.CmdArgs) error {
	ipamConf, err := LoadIPAMConfig(args.StdinData, args.Args)
	if err != nil {
		return err
	}

	store, err := disk.New(ipamConf.Name)
	if err != nil {
		return err
	}
	defer store.Close()

	ipamArgs := IPAMArgs{}
	err = types.LoadArgs(args.Args, &ipamArgs)
	if err != nil {
		return err
	}
	ipamConf.Args = &ipamArgs

	allocator, err := NewIPAllocator(ipamConf, store)
	if err != nil {
		return err
	}

	ipConf, err := allocator.Get(args.ContainerID)
	if err != nil {
		return err
	}

	r := &types.Result{
		IP4: ipConf,
	}
	return r.Print()
}
Example #2
0
File: config.go Project: dcbw/cni
// NewIPAMConfig creates a NetworkConfig from the given network name.
func LoadIPAMConfig(bytes []byte, args string) (*IPAMConfig, error) {
	n := Net{}
	if err := json.Unmarshal(bytes, &n); err != nil {
		return nil, err
	}

	if args != "" {
		ipamArgs := IPAMArgs{}
		err := types.LoadArgs(args, &ipamArgs)
		if err != nil {
			return nil, err
		}
	}

	if n.IPAM == nil {
		return nil, fmt.Errorf("%q missing 'ipam' key")
	}

	// Copy net name into IPAM so not to drag Net struct around
	n.IPAM.Name = n.Name

	return n.IPAM, nil
}