use policy.yaml instead of policy.json due to latest change on gnocchi

check the config

Change-Id: Ie11f31e6e4a0ee64e6e191820ef9a00e72826a96

handlers/main.yml

@@ -43,8 +43,8 @@
 #
 - name: Copy new policy file into place
   copy:
-    src: "/etc/gnocchi/policy.json-{{ gnocchi_venv_tag }}"
-    dest: "/etc/gnocchi/policy.json"
+    src: "/etc/gnocchi/policy.yaml-{{ gnocchi_venv_tag }}"
+    dest: "/etc/gnocchi/policy.yaml"
     owner: "root"
     group: "{{ gnocchi_system_group_name }}"
     mode: "0640"

tasks/gnocchi_post_install.yml

@@ -41,10 +41,19 @@
       config_overrides: "{{ gnocchi_api_paste_ini_overrides }}"
       config_type: "ini"
       content: "{{ gnocchi_api_paste_user_content | default(gnocchi_api_paste_default_content, true) }}"
-    - dest: "/etc/gnocchi/policy.json-{{ gnocchi_venv_tag }}"
+    - dest: "/etc/gnocchi/policy.yaml-{{ gnocchi_venv_tag }}"
       config_overrides: "{{ gnocchi_policy_overrides }}"
-      config_type: "json"
+      config_type: "yaml"
       content: "{{ gnocchi_policy_user_content | default(gnocchi_policy_default_content, true) }}"
   notify:
     - Restart gnocchi services
     - Restart uwsgi services
+
+- name: Remove legacy policy.yaml file
+  file:
+    path: "/etc/gnocchi/policy.yaml"
+    state: absent
+  when:
+    - gnocchi_policy_overrides | length == 0
+  tags:
+    - gnocchi-policy-override