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fix runc's poststart behaviour doesn't match the runtime-spec
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Signed-off-by: ningmingxiao <[email protected]>
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ningmingxiao committed Jul 16, 2024
1 parent 3778ae6 commit 0f17a69
Showing 1 changed file with 19 additions and 15 deletions.
34 changes: 19 additions & 15 deletions libcontainer/container_linux.go
Original file line number Diff line number Diff line change
Expand Up @@ -236,7 +236,11 @@ func (c *Container) exec() error {
for {
select {
case result := <-blockingFifoOpenCh:
return handleFifoResult(result)
err := handleFifoResult(result)
if err != nil {
return err
}
return c.postStart()

case <-time.After(time.Millisecond * 100):
stat, err := system.Stat(pid)
Expand All @@ -246,12 +250,25 @@ func (c *Container) exec() error {
if err := handleFifoResult(fifoOpen(path, false)); err != nil {
return errors.New("container process is already dead")
}
return nil
return c.postStart()
}
}
}
}

func (c *Container) postStart() error {
s, err := c.currentOCIState()
if err != nil {
return err
}
if c.config.Hooks != nil {
if err := c.config.Hooks.Run(configs.Poststart, s); err != nil {
return fmt.Errorf("run postStart hook:%w", err)
}
}
return nil
}

func readFromExecFifo(execFifo io.Reader) error {
data, err := io.ReadAll(execFifo)
if err != nil {
Expand Down Expand Up @@ -353,19 +370,6 @@ func (c *Container) start(process *Process) (retErr error) {

if process.Init {
c.fifo.Close()
if c.config.Hooks != nil {
s, err := c.currentOCIState()
if err != nil {
return err
}

if err := c.config.Hooks.Run(configs.Poststart, s); err != nil {
if err := ignoreTerminateErrors(parent.terminate()); err != nil {
logrus.Warn(fmt.Errorf("error running poststart hook: %w", err))
}
return err
}
}
}
return nil
}
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