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checkpoint: call Prestart hooks on restore before restoring processes 

Docker uses Prestart hooks to call a libnetwork hook to create
network devices and set addesses and routes.

Signed-off-by: Andrew Vagin <avagin@virtuozzo.com>
This commit is contained in:
Andrew Vagin 2016-02-19 02:09:15 +03:00
parent 46c25be297
commit b8121e8998
1 changed files with 14 additions and 0 deletions
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14
libcontainer/container_linux.go
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@ -934,6 +934,20 @@ func (c *linuxContainer) criuNotifications(resp *criurpc.CriuResp, process *Proc
if err := lockNetwork(c.config); err != nil { if err := lockNetwork(c.config); err != nil {
return err return err
} }
case notify.GetScript() == "setup-namespaces":
if c.config.Hooks != nil {
s := configs.HookState{
Version: c.config.Version,
ID: c.id,
Pid: int(notify.GetPid()),
Root: c.config.Rootfs,
}
for _, hook := range c.config.Hooks.Prestart {
if err := hook.Run(s); err != nil {
return newSystemError(err)
}
}
}
case notify.GetScript() == "post-restore": case notify.GetScript() == "post-restore":
pid := notify.GetPid() pid := notify.GetPid()
r, err := newRestoredProcess(int(pid), fds) r, err := newRestoredProcess(int(pid), fds)