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64c139208f
Add a new extensible GetDiagnosticData RPC that retrieves diagnostic information from the guest VM. The request carries a log_type string field to specify what kind of data is requested, and a container_id field to identify the target container. The first supported log_type is "termination_log", which reads the Kubernetes termination message file from inside the guest. This is needed for shared_fs=none configurations where the host cannot directly access the guest filesystem. On the Go runtime side, the container stop() path now calls GetDiagnosticData to copy the termination message to the host when running with NoSharedFS and the terminationMessagePolicy annotation is set to "File". The call is best-effort: failures are logged as warnings rather than blocking container teardown. Signed-off-by: Fabiano Fidêncio <ffidencio@nvidia.com> Signed-off-by: Silenio Quarti <silenio_quarti@ca.ibm.com>