func cmdDel(args *skel.CmdArgs) error {
conf := NetConf{}
if err := json.Unmarshal(args.StdinData, &conf); err != nil {
return fmt.Errorf("failed to load netconf: %v", err)
}
var ipn *net.IPNet
err := ns.WithNetNSPath(args.Netns, false, func(hostNS *os.File) error {
var err error
ipn, err = ip.DelLinkByNameAddr(args.IfName, netlink.FAMILY_V4)
return err
})
if err != nil {
return err
}
if conf.IPMasq {
h := sha512.Sum512([]byte(args.ContainerID))
chain := fmt.Sprintf("CNI-%s-%x", conf.Name, h[:8])
if err = ip.TeardownIPMasq(ipn, chain); err != nil {
return err
}
}
return ipam.ExecDel(conf.IPAM.Type, args.StdinData)
}
func cmdDel(args *skel.CmdArgs) error {
netconfBytes, err := consumeScratchNetConf(args.ContainerID)
if err != nil {
return err
}
n := &types.NetConf{}
if err = json.Unmarshal(netconfBytes, n); err != nil {
return fmt.Errorf("failed to parse netconf: %v", err)
}
return ipam.ExecDel(n.Type, netconfBytes)
}
func cmdDel(args *skel.CmdArgs) error {
n, err := loadConf(args.StdinData)
if err != nil {
return err
}
err = ipam.ExecDel(n.IPAM.Type, args.StdinData)
if err != nil {
return err
}
return ns.WithNetNSPath(args.Netns, false, func(hostNS *os.File) error {
return ip.DelLinkByName(args.IfName)
})
}
