MySQL Operator

MySQL Operator enables bulletproof MySQL on Kubernetes. It manages all the necessary resources for deploying and managing a highly available MySQL cluster. It provides effortless backups, while keeping the cluster highly available.

🍺 🍕 ☕ If the operator has helped you out with your projects, please consider sponsoring it to speed up the development. Issues are answered in this repo on a best-effort basis.

🔧 🔩 🔨 For paid commercial support, deployment, integration and prioritizing of features, please check the dedicated service provided by Bitpoke.

The operator has been developed by Bitpoke for internal use to run WordPress in a cloud-native app and has been open-sourced for the general public to benefit.

Goals and status

The main goals of this operator are:

Easily deploy MySQL clusters in Kubernetes (cluster-per-service model)
Friendly to devops (monitoring, availability, scalability and backup stories solved)
Out-of-the-box backups (scheduled and on demand) and point-in-time recovery
Support for cloning in cluster and across clusters.

Contributing

We welcome all contributions in the form of new issues for feature requests, bugs or even pull requests. We are open to discuss ideas on how to improve the operator and would also love to find out where and how it's used. The discussion related to this project should happen on the Kubernetes Community Slack. The current maintainers of this project can be reached via email, too.

Documentation

Getting started provides an overview over deploying and using the MySQL operator
Deploy a MySQL cluster describes in detail how a cluster can be installed and configured
Configure backups shows how to configure and take backups of a cluster
Recurrent backups describes how to setup recurrent backups for the cluster
Restore a cluster explains how to restore a cluster from a backup
How to integrate the operator with your deployment setup. This presents a simple way of using the MySQL operator and helm to deploy your application
Orchestrator shows you how to access the orchestrator for more details.

Controller deploy

To deploy this controller, use the provided helm chart by running:

helm repo add bitpoke https://helm-charts.bitpoke.io
helm install mysql-operator bitpoke/mysql-operator

For more information about chart values see chart README. This chart will deploy the controller together with an orchestrator cluster.

NOTE: MySQL operator 0.6.x requires at least Kubernetes 1.19.x to upgrade, check the 0.6.x upgrade notes as some additional steps may be required.

NOTE: MySQL operator 0.2.x requires at least Kubernetes 1.11.x (or 1.10.x with alpha features) while version 0.1.x is known to work with Kubernetes up 1.9.x. To upgrade, check the 0.2.x upgrade notes as some additional steps are required.

Controller upgrade

It is possible that upgrading the MySQL operator to a newer version requires additional steps. Those steps can be found in the operator's documentation at upgrades section.

Deploying a cluster

kubectl apply -f https://raw.githubusercontent.com/bitpoke/mysql-operator/master/examples/example-cluster-secret.yaml
kubectl apply -f https://raw.githubusercontent.com/bitpoke/mysql-operator/master/examples/example-cluster.yaml

Roadmap to v1.0

Tech considerations

This project uses Percona Server for MySQL 5.7 / 8.0 because of backup improvements (eg. backup locks), monitoring improvements and some serviceability improvements (eg. utility user). Although we could have used MariaDB, our primary focus being WordPress, we wanted a drop-in rather than a fork. In the future we might support MariaDB if that can be implemented in a compatible way.

License

This project is licensed under Apache 2.0 license. Read the LICENSE file in the top distribution directory for the full license text.

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bitpoke/mysql-operator

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