bootstrap mariadb failed sometimes

[Jeffrey Zhang]

Setting the root password ensures that nobody can log into the MariaDB
root user without the proper authorisation.

Set root password? [Y/n] y
New password:
Re-enter new password:
ERROR 1047 (08S01) at line 1: WSREP has not yet prepared node for application use
Password update failed!
Cleaning up...

Failed to get 'Remove anonymous users?' prompt

in extend_start.sh, we wait until wsrep_cluster_status is equal to Primary. This is wrong. we need wait until wsrep_ready to be ON.

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/394368
Committed: https://git.openstack.org/cgit/openstack/kolla/commit/?id=4417ffbfab77efd67eafe0d5ed57263c6a1b796c
Submitter: Jenkins
Branch: master

commit 4417ffbfab77efd67eafe0d5ed57263c6a1b796c
Author: Jeffrey Zhang <email address hidden>
Date: Mon Nov 7 19:12:33 2016 +0800

    Wait the wsrep_ready to be ON in mariadb

    Mariadb galera will be ready only when wsrep_ready to be ON, rather then
    wsrep_cluster_status is equal to Primary.

    Closes-Bug: #1639838
    Change-Id: I9ef60a39a195057eeee0404a39b174cc8feed793

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/kolla 4.0.0.0b1 development milestone.