ITQC/containernetworking-plugins
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Add -hostprefix in DHCP daemon to run the daemon as container

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This diff adds -hostprefix option in dhcp daemon. This option
could be used to run dhcp daemon as container because container
cannot touch host's netns directly. The diff changes dhcp daemon
to touch procfs mounted to another path, like '/hostfs/proc'.
This commit is contained in:
Tomofumi Hayashi
2018-01-23 12:59:03 +09:00
parent d228f980e1
commit 9604565b22
3 changed files with 11 additions and 5 deletions
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4
plugins/ipam/dhcp/main.go
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@ -33,11 +33,13 @@ const socketPath = "/run/cni/dhcp.sock"
func main() {
if len(os.Args) > 1 && os.Args[1] == "daemon" {
var pidfilePath string
var hostPrefix string
daemonFlags := flag.NewFlagSet("daemon", flag.ExitOnError)
daemonFlags.StringVar(&pidfilePath, "pidfile", "", "optional path to write daemon PID to")
daemonFlags.StringVar(&hostPrefix, "hostprefix", "", "optional prefix to netns")
daemonFlags.Parse(os.Args[2:])
if err := runDaemon(pidfilePath); err != nil {
if err := runDaemon(pidfilePath, hostPrefix); err != nil {
log.Printf(err.Error())
os.Exit(1)
}