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Using a "normal" CSI driver for an inline ephemeral volume may have unexpected and potentially harmful effects when the driver gets a NodePublishVolume call that it isn't expecting. To prevent that mistake, driver deployments for a driver that supports such volumes must: - deploy a CSIDriver object for the driver - set CSIDriver.Spec.VolumeLifecycleModes such that it contains "ephemeral" The default for that field is "persistent", so existing deployments continue to work and are automatically protected against incorrect usage. For the E2E tests we need a way to specify the driver mode. The existing cluster-driver-registrar doesn't support that and also was deprecated, so we stop using it altogether and instead deploy and patch a CSIDriver object.