Fix per comment

playbooks/roles/cassandra/defaults/main.yml

@@ -11,6 +11,7 @@ cassandra_data_dir_prefix: /var/lib/cassandra/data
 #should be parallel to cassandra_ephemeral_disks if there are any
 cassandra_data_dirs: ["data.1"]
 
+#These are set by the package. Don't change them!
 cassandra_user: "cassandra"
 cassandra_group: "cassandra"
 
@@ -26,7 +27,7 @@ cassandra_seeds: ["127.0.0.1"]
 cassandra_snitch: "SimpleSnitch"
 
 #set this ONLY when initializing a new cluster with NO DATA
-cassandra_auto_bootstrap: true
+cassandra_auto_bootstrap: false
 
 # For single-node locally-accessible deployments only! Otherwise, use:
 # cassandra_listen_address: ""

playbooks/roles/cassandra/tasks/main.yml

 
-- name: Make sure the cassandra group is present
-  group:
-    name: "{{cassandra_group}}"
-    state: present
-
-- name: Make sure the cassandra user is present
-  user:
-    name: "{{cassandra_user}}"
-    group: "{{cassandra_group}}"
-    home: "{{cassandra_home}}"
-    createhome: yes
-    shell: /bin/false
-
-- name: Make sure the cassandra user home has correct permissions
-  file:
-    path: "{{cassandra_home}}"
-    owner: "{{cassandra_user}}"
-    group: "{{cassandra_group}}"
-
 - name: Unmount disks mounted to the wrong place
   mount:
     name: "{{ item[0].mount }}"