Function WithDetachedNetNSIfAny

pkg/rootlessutil/rootlessutil_linux.go:112–121

WithDetachedNetNSIfAny executes fn in [DetachedNetNS] if RootlessKit is running with --detach-netns mode. Otherwise it just executes fn in the current netns.

(fn func() error)

// WithDetachedNetNSIfAny executes fn in [DetachedNetNS] if RootlessKit is running with --detach-netns mode.
// Otherwise it just executes fn in the current netns.
func WithDetachedNetNSIfAny(fn func() error) error {
	netns, err := DetachedNetNS()
	if err != nil {
		return err
	}
	if netns == "" {
		return fn()
	}
	return ns.WithNetNSPath(netns, func(_ ns.NetNS) error { return fn() })
}