Fix MariaDB staged upgrade
This patch fixes 2 issues on MariaDB staged upgrade:
* After we landed service stopping on the data transfer step, the
actual MariaDB staged upgrade moved from step 1 to step 2 of
external_upgrade_tasks, but we only ran steps 0 and 1 during the
upgrade. Increase the number of steps to run step 2 as well.
* The mysql_upgrade container was being re-run on each upgrade-scaleup
even on nodes where it already ran before and MariaDB was already
running there, conflicting with the upgrade container. We fix this
by only running the MariaDB upgrade if there's no MariaDB running
yet on the particular node.
Change-Id: I2feba6c22cdf07ea6af406c5edd27f62ff285d87
Co-Authored-By: Damien Ciabrini <dciabrin@redhat.com>
Closes-Bug: #1841415
(cherry picked from commit 22f26d7a94
)
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@ -19,7 +19,7 @@
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{% set external_update_steps_max = 2 -%}
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{% set pre_upgrade_rolling_steps_max = 1 -%}
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{% set upgrade_steps_max = 6 -%}
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{% set external_upgrade_steps_max = 2 -%}
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{% set external_upgrade_steps_max = 3 -%}
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{% set post_upgrade_steps_max = 4 -%}
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{% set fast_forward_upgrade_steps_max = 9 -%}
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{% set fast_forward_upgrade_prep_steps_max = 3 -%}
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@ -563,6 +563,13 @@ outputs:
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- step|int == 3
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block: *mysql_fetch_retag_container_tasks
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- name: Check and upgrade Mysql database after major version upgrade
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# Note: during upgrade to Stein, a new pacemaker cluster is recreated,
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# controller nodes added sequentially to this new cluster, and the upgrade
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# workflow (upgrade tasks, deploy/convertge) is ran once per controller.
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# This mysql upgrade block must run only once per controller, before
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# the controller is added into the cluster (by mysql_init_bundle) and
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# before pacemaker has a chance to start galera on that controller.
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# So do not exercise the upgrade if mysql is already running.
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when: step|int == 3
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block:
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# mariadb package changes ownership of /var/lib/mysql on package
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@ -580,6 +587,7 @@ outputs:
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list_join:
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- ' '
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- - 'kolla_set_configs;'
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- 'if mysqladmin ping --silent; then exit 0; fi;'
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- 'chown -R mysql:mysql /var/lib/mysql;'
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- 'chown -R mysql:mysql /var/log/mariadb;'
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- 'mysqld_safe --user=mysql --wsrep-provider=none --skip-networking --wsrep-on=off &'
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