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- Kubelet notices the pod being deleted.
- Kubelet invokes StopContainer CRI calls which is getting forwared to Virtlet based on the containing pod sandbox annotations.
- Virtlet stops the libvirt domain. libvirt sends a signal to qemu, which initiates the shutdown. If it doesn't quit in a reasonable time determined by pod's termination grace period, Virtlet will forcibly terminate the domain, thus killing the qemu process.
- After all the containers in the pod (the single container in case of Virtlet VM pod) are stopped, Kubelet invokes StopPodSandbox CRI call.
- Virtlet asks its tapmanager to remove pod from the network by means of CNI DEL command.
- after StopPodSandbox returnsAfter StopPodSandbox returns, the pod sandbox will be eventually GC'd by Kubelet by means of RemovePodSandbox CRI call.
- Upon RemovePodSandbox, Virtlet removes the pod metadata from its internal database.
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