Using spark.kubernetes.driver.volumes...
configurations:
spark.kubernetes.executor.volumes.hostPath.spark-local-dir-tmp1.mount.path=/tmp/data1
spark.kubernetes.executor.volumes.hostPath.spark-local-dir-tmp1.mount.readOnly=false
spark.kubernetes.executor.volumes.hostPath.spark-local-dir-tmp1.options.path=/data1
spark.kubernetes.executor.volumes.hostPath.spark-local-dir-tmp2.mount.path=/tmp/data2
spark.kubernetes.executor.volumes.hostPath.spark-local-dir-tmp2.mount.readOnly=false
spark.kubernetes.executor.volumes.hostPath.spark-local-dir-tmp2.options.path=/data2