Add Ceph upgrade tasks

Ceph upgrade is done with dedicated command.
This change adds tasks to create ceph upgrade scripts and
perform actual ceph upgrade.
Ceph upgrade would be run just in case ceph_osd service is present
in the list stack's enabled services

Change-Id: I67ade3ffc06ea839cf05ce42c4421d2a850570a3

defaults/main.yml

@@ -210,3 +210,6 @@ overcloud_update_playbooks: ['update_steps_playbook.yaml', 'deploy_steps_playboo
 
 # Post upgrade/update nova actions tests
 nova_actions_check: false
+
+# Ceph OSD service present in overcloud
+ceph_osd_enabled: false

tasks/common/auxilary-facts.yaml

@@ -19,3 +19,13 @@
   set_fact:
     roles_data: "{{ (roles_data_file.stdout|length > 0) | ternary(roles_data, default_roles_data)}}"
     custom_roles_used: "{{ (roles_data_file.stdout|length > 0) | ternary(true, false)}}"
+
+- name: assert CephOSD is enabled
+  shell: |
+    source {{ undercloud_rc }}
+    openstack stack output show -f yaml {{ overcloud_stack_name }} EnabledServices | awk '/\s+- ceph_osd/'
+  register: ceph_osd_service
+
+- name: set ceph_osd_enabled fact
+  set_fact:
+    ceph_osd_enabled: "{{ (ceph_osd_service.stdout|length > 0) | ternary(true, false) }}"

tasks/upgrade/ceph_upgrade_run.yml

@@ -0,0 +1,15 @@
+---
+- name: run Ceph upgrade
+  shell: |
+    {{ working_dir }}/ceph-upgrade-run.sh 2>&1 | tee {{ working_dir }}/ceph-upgrade-run.log
+  ignore_errors: true
+  register: ceph_upg_status
+
+- block:
+    - name: print Ceph upgrade failures
+      command: tail {{ working_dir }}/ceph-upgrade-run.log
+
+    - name: fail Ceph upgrade
+      fail:
+        msg: Ceph Upgrade Failed
+  when: ceph_upg_status|failed

tasks/upgrade/create-upgrade-scripts.yaml

@@ -91,5 +91,12 @@
     mode: 0775
     force: true
 
+- name: create ceph upgrade script
+  template:
+    src: "ceph-upgrade-run.sh.j2"
+    dest: "{{ working_dir }}/ceph-upgrade-run.sh"
+    mode: 0755
+    force: true
+
 - include: ../common/ssh_config_skip_host.yml
 

tasks/upgrade/main.yml

@@ -72,6 +72,10 @@
       when: upgrade_workarounds
       tags: overcloud_upgrade_converge
 
+    - name: upgrade Ceph
+      include: ceph_upgrade_run.yml
+      when: ceph_osd_enabled|bool
+
     - name: run controller post upgrade steps
       include: controller_post_upgrade.yml
       tags: controller_post_upgrade

templates/ceph-upgrade-run.sh.j2

@@ -0,0 +1,17 @@
+#!/bin/env bash
+
+source {{ undercloud_rc }}
+
+echo "[$(date)] Started CEPH upgrade"
+
+openstack overcloud ceph-upgrade run \
+    --templates {{ tht_directory }} \
+    {% if initial_env_file is defined and initial_env_file.stdout_lines|length > 0 %}
+    {% for _env in initial_env_file.stdout_lines %}
+        -e {{ _env }} \
+    {% endfor %}
+    {% endif %}
+    --container-registry-file {{ working_dir }}/{{ container_registry_file }} \
+    --roles-file {{ roles_data }} 2>&1
+
+echo "[$(date)] Finished CEPH upgrade"