percona-xtradb-cluster

packaged by Chainguard

Chainguard Container for percona-xtradb-cluster

Percona XtraDB Cluster is a high-availability MySQL clustering solution based on Galera Cluster. It provides synchronous multi-master replication, automatic node provisioning, and tightly integrated write-set replication.

To get more information about the image, please visit the GitHub repository.

Chainguard Containers are regularly-updated, secure-by-default container images.

Download this Container Image

For those with access, this container image is available on cgr.dev:

docker pull cgr.dev/ORGANIZATION/percona-xtradb-cluster:latest

Be sure to replace the ORGANIZATION placeholder with the name used for your organization's private repository within the Chainguard Registry.

Compatibility Notes

The Chainguard percona-xtradb-cluster image is fully compatible with the percona/percona-xtradb-cluster image on Docker Hub. Like most Chainguard images, this container image is minimal and does not include unnecessary components such as a shell or package manager, while maintaining full compatibility.

Usage

Percona XtraDB Cluster (PXC) is a high-availability MySQL clustering solution based on Galera Cluster, providing synchronous multi-master replication. It is designed to run as a cluster of nodes and is typically deployed via the Percona Operator for MySQL.

Docker

Starting a Standalone Node

For local testing, start a single PXC node in standalone mode (not suitable for production — PXC requires at least 3 nodes for a proper cluster):

docker run -d \
  --name pxc-node \
  -e MYSQL_ROOT_PASSWORD=root \
  cgr.dev/ORGANIZATION/percona-xtradb-cluster:latest

View the container logs to confirm startup:

docker logs pxc-node --follow

<details> <summary>Expected Output:</summary>

You can access the server when you see the "ready for connections" message in the log.

</details>

Accessing the Container

Use docker exec to open a shell inside the container:

docker exec -it pxc-node /bin/sh

Accessing the Database

Connect to the MySQL interface once the node is ready:

docker exec -it pxc-node mysql -uroot -proot

<details> <summary>Expected Output:</summary>

mysql: [Warning] Using a password on the command line interface can be insecure.
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 8
Server version: 8.4.x-y.z Percona XtraDB Cluster (GPL), ...

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

</details>

Kubernetes Deployment via Helm

PXC is designed for Kubernetes. The recommended approach is to deploy it using the Percona Operator for MySQL and the pxc-db Helm chart.

1. Install the PXC Operator

helm repo add percona https://percona.github.io/percona-helm-charts/
helm repo update

helm install pxc-operator percona/pxc-operator \
  --namespace pxc-operator \
  --create-namespace

2. Deploy a PXC Cluster

Create a values.yaml that points to the Chainguard image:

pxc:
  image:
    repository: cgr.dev/ORGANIZATION/percona-xtradb-cluster
    tag: latest

Then deploy the cluster in the same namespace as the operator (the operator's RBAC is scoped to its own namespace by default):

helm install pxc-db percona/pxc-db \
  --namespace pxc-operator \
  -f values.yaml

3. Connect to the Cluster

Wait for all three PXC pods to reach Ready state:

kubectl wait --for=condition=ready pod \
  -l app.kubernetes.io/component=pxc \
  -n pxc-operator --timeout=600s

Retrieve the root password from the secret:

kubectl get secret pxc-db-secrets -n pxc-operator \
  -o jsonpath='{.data.root}' | base64 --decode

Connect directly to the cluster via one of the PXC pods:

ROOT_PASSWORD=$(kubectl get secret pxc-db-secrets -n pxc-operator \
  -o jsonpath='{.data.root}' | base64 --decode)

kubectl exec -n pxc-operator pxc-db-pxc-0 -c pxc -- \
  mysql -uroot -p"${ROOT_PASSWORD}" \
  -e "SELECT @@hostname, VERSION();"

For more information, refer to the Percona XtraDB Cluster documentation and the Percona Operator for MySQL documentation.

What are Chainguard Containers?

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• Minimal design, without unnecessary software bloat
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• Verifiable signatures provided by Sigstore
• Reproducible builds with Cosign and apko (read more about reproducibility)

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Need additional packages?

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To use Custom Assembly in the Chainguard Console: navigate to the image you'd like to customize in your Organization's list of images, and click on the Customize image button at the top of the page.

Learn More

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Trademarks

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