Another method of getting access to this data is through the spark context, and this will not require use of the dbutils library.

If you check the environment tab of the spark cluster UI, you'll see that Databricks adds a number of properties to the spark config that can be easily retrieved using the native spark apis.

An example of the value of spark.databricks.clusterUsageTags.clusterName is "job-12345678901-run-987654-default" and you can retrieve this using spark.conf.get()