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FAQ.md

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OVN Kubernetes CNI FAQ

Q: How do I configure a non-default location for CNI configuration and bin directory?

By default the CNI configuration directory is set to /etc/cni/net.d and the CNI bin directory is set to /opt/cni/bin. One can change these default locations by passing the new directory locations to kubelet using --cni-conf-dir and --cni-bin-dir option. If non-default directory location is used in a K8s deployment, then OVN CNI need to be made aware of it by following the instructions below.

  1. Define volumes, for both configuration and bin, in the ovnkube-node pod spec with hostPath set to the CNI directory on the host machine.
  2. Define volumeMounts for CNI configuration directory in the ovnkube-node container spec with mountPath set to '/etc/cni/net.d'.
  3. Define volumeMounts for CNI bin directory in the ovnkube-node container spec with mountPath set to '/opt/cni/bin'