# Install a docker based cassandra cluster. --- - name: install service file. template: src: templates/cassandra.service dest: /etc/systemd/system/cassandra.service mode: 644 owner: root group: root - name: install service file command: systemctl daemon-reload - name: make sure service is started systemd: name: cassandra.service state: started - name: start service at boot. command: systemctl reenable cassandra.service