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

Change-Id: If05936d25db3329b4204172f3b800ddf3417b9b7

handlers/main.yml

@@ -30,8 +30,6 @@
   listen:
     - "Restart gnocchi services"
     - "venv changed"
-    - "systemd service changed"
-    - "cert installed"
 
 # Note (odyssey4me):
 # The policy.json file is currently read continually by the services
@@ -43,8 +41,8 @@
 #
 - 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"
@@ -70,5 +68,13 @@
   listen:
     - "Restart gnocchi services"
     - "venv changed"
-    - "systemd service changed"
-    - "cert installed"
+
+# NOTE(noonedeadpunk): This task is created due to migration from apache to uwsgi
+# which was introduced during train release. It can be dropped afterwards.
+- name: Restart web server
+  service:
+    name: "{{ gnocchi_system_service_name }}"
+    enabled: yes
+    state: "restarted"
+    daemon_reload: yes
+  failed_when: false

tasks/gnocchi_post_install.yml

@@ -25,7 +25,7 @@
 - name: Copy gnocchi configuration files
   openstack.config_template.config_template:
     content: "{{ item.content | default(omit) }}"
-    src: "{{ item.src | default(omit) }}"
+    src: "{{ item.src  | default(omit) }}"
     dest: "{{ item.dest }}"
     owner: "{{ item.owner | default(gnocchi_system_user_name) }}"
     group: "{{ item.group | default(gnocchi_system_group_name) }}"
@@ -41,10 +41,47 @@
       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 }}"
-      config_overrides: "{{ gnocchi_policy_overrides }}"
-      config_type: "json"
-      content: "{{ gnocchi_policy_user_content | default(gnocchi_policy_default_content, true) }}"
   notify:
     - Restart gnocchi services
     - Restart uwsgi services
+    - Restart web server
+
+- name: Implement policy.yaml if there are overrides configured
+  openstack.config_template.config_template:
+    content: "{{ gnocchi_policy_overrides }}"
+    dest: "/etc/gnocchi/policy.yaml-{{ gnocchi_venv_tag }}"
+    owner: "root"
+    group: "{{ gnocchi_system_group_name }}"
+    mode: "0640"
+    config_type: yaml
+  when:
+    - gnocchi_policy_overrides | length > 0
+  tags:
+    - gnocchi-policy-override
+
+- name: Remove legacy policy.yaml file
+  file:
+    path: "/etc/gnocchi/policy.yaml"
+    state: absent
+  when:
+    - gnocchi_policy_overrides | length == 0
+  tags:
+    - gnocchi-policy-override
+
+# NOTE(noonedeadpunk): This task is created due to migration from apache to uwsgi
+# which was introduced during train release. It can be dropped afterwards.
+- name: Drop Apache related configs
+  file:
+    path: "{{ item }}"
+    state: absent
+  with_items: "{{ gnocchi_apache_config }}"
+  notify:
+   - Restart web server
+
+- name: Stop Apache listening on Gnocchi port
+  lineinfile:
+    path: "{{ gnocchi_apache_ports }}"
+    state: absent
+    line: "Listen {{ gnocchi_service_port }}"
+  notify:
+   - Restart web server