Add mariadb migration for mitaka upgrade

Change-Id: I7233a2f7ee78287607bc07ece205555c9a10719e

defaults/main.yml

@@ -23,6 +23,7 @@ repos_url:
 upgrade_working_dir: /home/stack
 tht_dir: tripleo-heat-templates
 # scripts
+undercloud_upgrade_script: upgrade-undercloud.sh.j2
 upgrade_undercloud_repo_script: upgrade-repo.sh.j2
 upgrade_overcloud_repo_script: upgrade-repo.sh.j2
 major_upgrade_script: major-upgrade-overcloud.sh.j2
@@ -30,7 +31,8 @@ minor_upgrade_script: minor-upgrade-overcloud.sh.j2
 upgrade_non_controller_script: /bin/upgrade-non-controller.sh
 upgrade_overcloud_repo_template: overcloud-repo.yaml.j2
 # logs:
-upgrade_log: upgrade_console.log
+upgrade_log: overcloud_upgrade_console.log
+undercloud_upgrade_log: undercloud_upgrade_console.log
 # user:
 undercloud_upgrade_user: stack
 # override those lists with your templates that your env needs for upgrade

tasks/pre-overcloud.yml

@@ -14,6 +14,7 @@
       {{ upgrade_working_dir }}/{{ tht_dir }};
 
 - name: Add the no ssh finger print checking into upgrade-non-controller.sh
+  when: step_upgrade_undercloud
   sudo: yes
   shell: >
       sed -i 's/ssh/ssh -o StrictHostKeyChecking=no/' \

tasks/pre-undercloud.yml

@@ -21,12 +21,8 @@
   sudo: yes
   shell: yum clean all
 
-- name: stop openstack services
-  service: name={{item}} state=stopped
-  when: major_upgrade
-  sudo: yes
-  with_items:
-      - openstack-keystone
-      - neutron-server
-      - mariadb
-
+- name: Create undercloud upgrade script
+  template:
+    src: "{{ undercloud_upgrade_script }}"
+    dest: "{{ upgrade_working_dir }}/undercloud-upgrade.sh"
+    mode: 0755

tasks/upgrade-undercloud.yml

@@ -1,6 +1,7 @@
 ---
 - name: Upgrade the undercloud
-  shell: openstack undercloud upgrade &> upgrade_undercloud.log
+  shell: >
+      {{ upgrade_working_dir }}/undercloud-upgrade.sh > {{ undercloud_upgrade_log }} 2>&1
   when: step_upgrade_undercloud
   notify:
     - restart openstack services

templates/upgrade-undercloud.sh.j2

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -eux
+# Undercloud upgrade script.
+# Those steps is for the major mariadb upgrade in mitaka
+{% if target_upgrade_version == 'mitaka' and major_upgrade == true %}
+sudo systemctl start mariadb
+mysqldump -u root --flush-privileges --single-transaction --all-databases > /home/stack/backup.sql
+sudo systemctl stop mariadb
+sudo mv /var/lib/mysql /home/stack/mysql-backup
+sudo yum -y update mariadb
+sudo systemctl start mariadb
+mysql -u root < /home/stack/backup.sql
+sudo systemctl stop openstack-*
+sudo systemctl stop neutron-*
+sudo yum -y update instack-undercloud openstack-puppet-modules openstack-tripleo-common python-tripleoclient
+{% endif %}
+echo "Upgrade the undercloud"
+openstack undercloud upgrade