Upgrading
The ArangoDB Kubernetes Operator supports upgrading an ArangoDB from one version to the next.
Upgrade an ArangoDB deployment
To upgrade a cluster, change the version by changing
the spec.image setting and the apply the updated
custom resource using:
kubectl apply -f yourCustomResourceFile.yaml
The ArangoDB operator will perform an sequential upgrade of all servers in your deployment. Only one server is upgraded at a time.
For patch level upgrades (e.g. 3.3.9 to 3.3.10) each server is stopped and restarted with the new version.
For minor level upgrades (e.g. 3.3.9 to 3.4.0) each server
is stopped, then the new version is started with --database.auto-upgrade
and once that is finish the new version is started with the normal arguments.
The process for major level upgrades depends on the specific version.
Upgrade the operator itself
To update the ArangoDB Kubernetes Operator itself to a new version, update the image version of the deployment resource and apply it using:
kubectl apply -f examples/yourUpdatedDeployment.yaml