Secure CSI Driver TCP Connections via Substrate Pod Identity - #956
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Secures network-based gRPC connections between the ate-api control plane and CSI driver controller services using mutual TLS (mTLS) backed by Substrate's Pod Identity.
Requests from ate-api to CSI driver controllers occur over the network, as configured via the CSIDriverConfig custom resource. This PR extends the CSIDriverConfig CRD to include a tls configuration section, which leverages
Substrate's Pod Identity certificate infrastructure (managed by podcertcontroller) to secure these
TCP connections using mTLS. Because standard CSI drivers typically communicate over Unix domain sockets, a proxy sidecar (e.g., envoy) is added to the CSI controller deployment to terminate TLS and forward requests to the local CSI socket.
#232