Use proc/exe for reexec
You don't need to resolve the symlink for the exec as long as the
process is to keep running during execution.
@@ -862,14 +862,10 @@ func (daemon *Daemon) createSpec(c *container.Container) (*specs.Spec, error) {
for _, ns := range s.Linux.Namespaces {
if ns.Type == "network" && ns.Path == "" && !c.Config.NetworkDisabled {
- target, err := os.Readlink(filepath.Join("/proc", strconv.Itoa(os.Getpid()), "exe"))
- if err != nil {
- return nil, err
- }
-
+ target := filepath.Join("/proc", strconv.Itoa(os.Getpid()), "exe")
s.Hooks = &specs.Hooks{
Prestart: []specs.Hook{{
- Path: target, // FIXME: cross-platform
+ Path: target,
Args: []string{"libnetwork-setkey", c.ID, daemon.netController.ID()},
}},
}
