Deprecate auth_plugin option

Option "auth_plugin" is deprecated, use option "auth_type" instead.

Change-Id: Ibe125dc89b7c59daf83b950692319ec18457d3f2
Implements: blueprint deprecate-auth-plugin

defaults/main.yml

@@ -72,7 +72,8 @@ zaqar_service_internalurl: "{{ zaqar_service_internaluri }}"
 zaqar_service_adminuri: "{{ zaqar_service_adminuri_proto }}://{{ zaqar_api_bind_address }}:{{ zaqar_api_bind_port }}"
 zaqar_service_adminurl: "{{ zaqar_service_adminuri }}"
 zaqar_service_cafile_path: /opt/stack/data/ca-bundle.pem
-zaqar_keystone_auth_plugin: password
+zaqar_keystone_auth_plugin: "{{ zaqar_keystone_auth_type }}"
+zaqar_keystone_auth_type: password
 
 ## Apache setup
 zaqar_install_apache: false

releasenotes/notes/deprecate_auth_plugin-817a32e7139674e1.yaml

@@ -0,0 +1,5 @@
+---
+deprecations:
+  - The ``zaqar_keystone_auth_plugin`` variable has been deprecated.
+    ``zaqar_keystone_auth_type`` should be used instead to configure
+    authentication type.

templates/zaqar.conf.j2

@@ -297,7 +297,7 @@ bind = 0.0.0.0
 
 [keystone_authtoken]
 #signing_dir = /var/cache/zaqar
-auth_plugin = {{ zaqar_keystone_auth_plugin }}
+auth_type = {{ zaqar_keystone_auth_plugin }}
 auth_url = {{ keystone_service_adminuri }}
 auth_uri = {{ keystone_service_internaluri }}
 project_domain_id = default
@@ -598,4 +598,4 @@ message_pipeline = zaqar.notification.notifier
 #max_claim_grace = 43200
 
 # Defines supported subscriber types. (list value)
-#subscriber_types = http,https,mailto
+#subscriber_types = http,https,mailto