Revision 75

The first stable revision of Charmed MySQL for K8s has been published in the 8.0/stable channel on Charmhub.

See also: System requirements

Architecture

Charm revision

MySQL version

Minimum Juju version

amd64

75

8.0.32

2.9.32+

Features

  • Deploying on Kubernetes (tested with MicroK8s, GKE)

    • juju constraints are supported to limit CPU/RAM/Storage size

  • Scaling up/down in one simple juju command

  • HA using Innodb Group replication

  • Full backups and restores are supported when using any S3-compatible storage

  • TLS support (using “tls-certificates” operator)

  • DB access outside of Juju using “data-integrator”

  • Data import using standard tools e.g. mysqldump, etc.

Charm

Version

Charm channel

Documentation

License

MySQL K8s

8.0.32

8.0/stable (r75)

Tutorial, README, Contributing

Apache 2.0

Full Changelog: https://github.com/canonical/mysql-k8s-operator/commits/rev75

What is inside the charms

  • Charmed MySQL K8s charm ships the latest MySQL “8.0.32-0ubuntu0.22.04.2”

  • K8s charms based on our ROCK OCI (Ubuntu LTS “22.04” - ubuntu:22.04-based)

  • Principal charms supports the latest LTS series “22.04” only.

  • Subordinate charms support LTS “22.04” and “20.04” only.

Technical notes

Compatibility with legacy charms

  • New MySQL charm is a juju-interface compatible replacement for legacy charms such as “MariaDB”, “OSM MariaDB”, “Percona Cluster” and “Mysql Innodb Cluster” (using legacy interface “mysql”, via endpoints “mysql” and “mysql-root”). Other legacy interfaces such as “mysql-router” interface (“db-router” endpoint) and “mysql-shared” interface (“shared-db” endpoint) are also supported. However, it is highly recommended to migrate to the modern interface ‘mysql_client ’. It can be easily done using the charms library ‘data_interfaces’ from ‘data-platform-libs’.

Please contact us, see details below, if you are considering migrating from other “legacy” charms not mentioned above. Additionally:

  • Tracks description:

    • Charm MySQL K8s charm follows the SNAP track “8.0” (through repacked ROCK/OCI image).

  • No “latest” track in use (no surprises in tracking “latest/stable”)!

    • Charmed MySQL K8s charms provide legacy charm through “latest/stable”.

  • Charm lifecycle flowchart diagrams: MySQL.

  • Modern interfaces are well described in “Interfaces catalogue” and implemented by ‘data-platform-libs’.

How to reach us

If you would like to chat with us about your use-cases or ideas, you can reach us at Canonical Mattermost public channel or Discourse. Check all other contact details here.

Consider opening a GitHub issue if you want to open a bug report. Contribute to the project!

These release notes were originally posted here.