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Merge pull request #10910 from adrianreber/2021-07-12-checkpoint-restore-into-pod

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Add support for checkpoint/restore into and out of pods
This commit is contained in:
OpenShift Merge Robot
2021-07-28 14:48:28 +02:00
committed by GitHub
parent a5de831418 60b9e8c0da
commit 6c5966cf3c
31 changed files with 3118 additions and 1354 deletions
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16
libpod/container_api.go
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@ -780,6 +780,16 @@ type ContainerCheckpointOptions struct {
// Compression tells the API which compression to use for
// the exported checkpoint archive.
Compression archive.Compression
// If Pod is set the container should be restored into the
// given Pod. If Pod is empty it is a restore without a Pod.
// Restoring a non Pod container into a Pod or a Pod container
// without a Pod is theoretically possible, but will
// probably not work if a PID namespace is shared.
// A shared PID namespace means that a Pod container has PID 1
// in the infrastructure container, but without the infrastructure
// container no PID 1 will be in the namespace and that is not
// possible.
Pod string
}
// Checkpoint checkpoints a container
@ -811,7 +821,11 @@ func (c *Container) Checkpoint(ctx context.Context, options ContainerCheckpointO
// Restore restores a container
func (c *Container) Restore(ctx context.Context, options ContainerCheckpointOptions) error {
logrus.Debugf("Trying to restore container %s", c.ID())
if options.Pod == "" {
logrus.Debugf("Trying to restore container %s", c.ID())
} else {
logrus.Debugf("Trying to restore container %s into pod %s", c.ID(), options.Pod)
}
if !c.batched {
c.lock.Lock()
defer c.lock.Unlock()