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krishicks
2c0adf4868
Mirror the VM driver tracing setup for Podman. Export standalone driver spans through OTLP/gRPC as the distinct openshell-driver-podman service, propagate W3C context across ComputeDriver RPCs, record bounded RPC names and failures, and flush buffered spans during graceful shutdown. Podman still runs in-process when selected as a built-in gateway driver. Add a temporary tracing shim that partitions gateway and Podman spans by target into separate tracer providers while preserving their shared trace and parentage. The shim also emits the same ComputeDriver server boundary that the tonic layer emits out of process, keeping the observable trace shape stable when Podman is eventually extracted. Trace container create preparation, image and storage setup, lifecycle operations, and cleanup. Document the service boundary and cover it with isolated and repeated tracing tests. Signed-off-by: Kris Hicks <khicks@nvidia.com>