Adds ceilometer-upgrade task

Run ceilometer-upgrade task  post ceilometer installation
to create the resources in gnocchi

Implements: Additonal step to run ceilometer-upgrade during ceilometer-post-install tasks
Closes-Bug: 1737096
Closes-Bug: 1778195
(cherry picked from commit ca7cf70eaf)
(cherry picked from commit 9d54c79b82)

Change-Id: I605f5527d8ae68e6a6eabbcfdd7fe0c60abd4332

tasks/ceilometer_db_setup.yml

@@ -0,0 +1,13 @@
+---
+
+- name: check for gnocchi resource file
+  stat:
+    path: "/etc/ceilometer/gnocchi_resources.yaml"
+  register: gnocchi_resource_file
+
+- name: Initialize Gnocchi database by creating ceilometer resources
+  command: "{{ ceilometer_bin }}/ceilometer-upgrade --skip-metering-database"
+  become: yes
+  become_user: "{{ ceilometer_system_user_name }}"
+  changed_when: false
+  when: gnocchi_resource_file.stat.exists

tasks/main.yml

@@ -53,3 +53,8 @@
     - groups['ceilometer_central_container'] is defined and inventory_hostname == groups['ceilometer_central_container'][0]
   tags:
     - ceilometer-config
+
+- include: ceilometer_db_setup.yml
+  tags:
+    - ceilometer-config
+  run_once: true