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6dd7978442
Support auto updating containers running inside pods. Similar to containers, the systemd units need to be generated via `podman-generate-systemd --new $POD` to generate the pod's units. Note that auto updating a container inside a pod will restart the entire pod. Updates of multiple containers inside a pod are batched, such that a pod is restarted at most once. That is effectively the same mechanism for auto updating containers in a K8s YAML via the `podman-kube@` template or via Quadlet. Updating a single container unit without restarting the entire pod is not possible. The reasoning behind is that pods are created with --exit-policy=stop which will render the pod to be stopped when auto updating the only container inside the pod. The (reverse) dependencies between the pod and its containers unit have been carefully selected for robustness. Changes may entail undesired side effects or backward incompatibilities that I am not comfortable with. Fixes: #17181 Signed-off-by: Valentin Rothberg <vrothberg@redhat.com>