Fix MariaDB 10.3 upgrade
<NOTE: This Rocky backport does not include 1, since the packaging has
changed, and mysql_upgrade is already installed.>
There are a couple of issues with the mariadb image currently.
1. it doesn't include mysql_upgrade on CentOS/RHEL. It is necessary to
run this after an upgrade of MariaDB. This is fixed by installing
mariadb-server-utils.
2. it inherits the standard dumb-init entrypoint from the base image,
which includes a --single-child argument. That causes signals to be
forwarded only to the process executed by dumb-init, which in the
case of kolla-ansible is mysqld_safe, however mysqld_safe ignores
SIGTERM. After a timeout, Docker then forcibly kills the container.
Executing dumb-init without --single-child ensures the TERM signal is
sent to mysqld, allowing it to shutdown gracefully.
Change-Id: I1a450736721863b91be1ea3d3c8948990de9fdeb
Closes-Bug: #1820325
(cherry picked from commit 3075685d01
)
This commit is contained in:
parent
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@ -50,6 +50,17 @@ RUN chmod 755 /usr/local/bin/kolla_extend_start \
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{% if base_distro in ['debian', 'ubuntu'] %}
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{% if base_distro in ['debian', 'ubuntu'] %}
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RUN mkdir -p /var/run/mysqld && chown mysql /var/run/mysqld && chmod 755 /var/run/mysqld
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RUN mkdir -p /var/run/mysqld && chown mysql /var/run/mysqld && chmod 755 /var/run/mysqld
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{% endif %}
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{% endif %}
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{% block mariadb_entrypoint %}
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# NOTE(mgoddard): Override the dumb-init arguments to avoid passing
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# --single-child. This does not play well with mysqld_safe, which ignores
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# SIGTERM, meaning Docker needs to forcibly kill the container to stop it.
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# Without --single-child, the TERM signal is sent to all subprocesses,
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# including mysqld.
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ENTRYPOINT ["dumb-init"]
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CMD ["kolla_start"]
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{% endblock %}
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{% block mariadb_footer %}{% endblock %}
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{% block mariadb_footer %}{% endblock %}
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{% block footer %}{% endblock %}
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{% block footer %}{% endblock %}
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@ -38,6 +38,19 @@ if [[ "${!KOLLA_BOOTSTRAP[@]}" ]]; then
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exit 0
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exit 0
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fi
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fi
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# This catches all cases of the KOLLA_UPGRADE variable being set, including empty
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if [[ "${!KOLLA_UPGRADE[@]}" ]]; then
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# The mysql_upgrade command treats any directories under /var/lib/mysql as
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# databases. Somehow we can end up with a .pki directory, which causes the
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# command to fail with this error:
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# Incorrect database name '#mysql50#.pki' when selecting the database
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# There doesn't seem to be anything in the directory, so remove it.
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rm -rf /var/lib/mysql/.pki
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mysql_upgrade --user=root --password="${DB_ROOT_PASSWORD}"
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exit 0
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fi
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if [[ "${!BOOTSTRAP_ARGS[@]}" ]]; then
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if [[ "${!BOOTSTRAP_ARGS[@]}" ]]; then
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ARGS="${BOOTSTRAP_ARGS}"
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ARGS="${BOOTSTRAP_ARGS}"
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fi
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fi
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