title: Execute bash script on a dataproc cluster from a composer
body: <p>I wanted to add jars to a dataproc cluster in a specific location once the cluster has been created using a simple shell script.</p>
  
  <p>I would like to automate this step to run from a composer once the dataproc cluster has been created,the next step is to execute bash script which would add the jars to the data proc cluster.</p>
  
  <p>Can you suggest which airflow operator to use to execute bash scripts on the dataproc cluster?</p>