[ansible-lint] prefix variable names for rabbit/user role

ansible-lint requires that variables for roles are prefixed with the
name of the role. This commit prefixes the variables for the
rabbit/user role with user_ as required by ansible-lint

Signed-off-by: Ryan Lerch <rlerch@redhat.com>

roles/rabbit/user/defaults/main.yml

@@ -1,23 +1,23 @@
 ---
-rabbitmq_server: "rabbitmq01{{ env_suffix }}.iad2.fedoraproject.org"
-vhost: /pubsub
-publish_only: true
+user_rabbitmq_server: "rabbitmq01{{ env_suffix }}.iad2.fedoraproject.org"
+user_vhost: /pubsub
+user_publish_only: true
 
 # Read privileges:
 # If publish_only: no reading. Otherwise, read from queues prefixed
 # with their name and bind to the topic exchange
-read_priv: "{{ publish_only|ternary('^$', '^(zmq\\.topic)|^(amq\\.topic)|(' + username + '.*)$') }}"
+user_read_priv: "{{ user_publish_only|ternary('^$', '^(zmq\\.topic)|^(amq\\.topic)|(' + user_username + '.*)$') }}"
 
 # Write privileges:
 # If publish_only: only write to the exchange. Otherwise, write to
 # queues prefixed with their name and any prefixes in write_queues,
 # and publish to the topic exchange
-write_priv: "^(amq\\.topic){% if not publish_only %}|({{ username }}.*){% for queue in write_queues|default([]) %}|({{ queue }}.*){% endfor %}{% endif %}$"
+user_write_priv: "^(amq\\.topic){% if not user_publish_only %}|({{ username }}.*){% for queue in write_queues|default([]) %}|({{ queue }}.*){% endfor %}{% endif %}$"
 
 # Topic authorization:
 # Ref: https://www.rabbitmq.com/access-control.html#topic-authorisation
-sent_topics: .*
-topic_permissions:
+user_sent_topics: .*
+user_topic_permissions:
   - vhost: "{{ vhost }}"
     read_priv: .*
     write_priv: "{{ sent_topics }}"

roles/rabbit/user/tasks/main.yml

@@ -17,13 +17,13 @@
 # See https://www.rabbitmq.com/access-control.html#permissions for details on
 # the RabbitMQ permissions configuration.
 
-- name: Validate username {{ username }}
+- name: Validate username {{ user_username }}
   assert:
     that:
-    - username is defined
-    - username != "admin"
-    - username != "guest"
-    - username != "nagios-monitoring"
+    - user_username is defined
+    - user_username != "admin"
+    - user_username != "guest"
+    - user_username != "nagios-monitoring"
     fail_msg: "This user name is reserved"
   tags:
     - config
@@ -31,7 +31,7 @@
     - rabbitmq_cluster
 
 - debug:
-    msg: "Topic permissions: {{ topic_permissions }}"
+    msg: "Topic permissions: {{ user_topic_permissions }}"
   tags:
     - config
     - fedora-messaging
@@ -39,15 +39,15 @@
 
 # See https://www.rabbitmq.com/access-control.html#permissions for details on
 # the RabbitMQ permissions configuration.
-- name: Create the {{ username }} user in RabbitMQ
-  delegate_to: "{{ rabbitmq_server }}"
+- name: Create the {{ user_username }} user in RabbitMQ
+  delegate_to: "{{ user_rabbitmq_server }}"
   community.rabbitmq.rabbitmq_user:
-    user: "{{ username }}"
-    vhost: "{{ vhost }}"
-    read_priv: "{{ read_priv }}"
-    write_priv: "{{ write_priv }}"
+    user: "{{ user_username }}"
+    vhost: "{{ user_vhost }}"
+    read_priv: "{{ user_read_priv }}"
+    write_priv: "{{ user_write_priv }}"
     configure_priv: "^$"  # No configuration permissions
-    topic_permissions: "{{ topic_permissions }}"
+    topic_permissions: "{{ user_topic_permissions }}"
     state: present
   tags:
     - config