Ansible playbook for graceful rolling restart of the nodes in a cassandra cluster

cassandra-rolling-restart.yml

- hosts: "*"
  become: True
  serial: 1
  tasks:
    - name: Initiate graceful shutdown
      shell: "nodetool {{item}} && sleep 5"
      with_items:
        - disablethrift
        - disablebinary
        - disablegossip
        - flush
        - drain

    - name: Restart cassandra
      service:
        name: cassandra
        state: restarted

    - name: Wait for restart to complete
      wait_for:
        host: "{{ansible_default_ipv4.address}}"
        port: 9160