Upgrading Connectware to 1.7.0 (Kubernetes)

Connectware 1.7.0 affects the backward compatibility of the Connectware broker. Older broker data volumes are not compatible with brokers of Connectware 1.7.0 and newer. Upgrading to Connectware 1.7.0 requires additional upgrade procedures.

Additionally, multi-factor authentication (MFA) is now controlled via a dedicated configuration switch.

Disclaimer

Some Connectware upgrades require you to follow a few additional steps when upgrading Connectware to a newer version.

When upgrading your Connectware instance, follow the required upgrade path based on your current version:

  • If you are running Connectware version 1.4.1 or below:

    1. First upgrade to version 1.5.0

    2. Then upgrade to version 1.7.0

    3. Finally upgrade to version 2.0.0

  • If you are running Connectware version between 1.5.0 and 1.6.2:

    1. First upgrade to version 1.7.0

    2. Then upgrade to version 2.0.0

  • If you are running Connectware version 1.7.0 or later:

    • You can directly upgrade to version 2.0.0

For detailed instructions on each upgrade step, refer to:

Important Notes

This upgrade will delete all persisted data of the Connectware broker. This includes client sessions, subscriptions, and retained data. If your configuration relies on any type of data persisted by the broker, make sure to properly initialize your applications after the upgrade.

If you rely on persisted data, create a backup or snapshot of the broker data volumes. This allows you to roll back in case of complications.

Upgrading Procedure

Here are the complete instructions for upgrading your Connectware installation to version 1.7.0.

  1. Important: If your Connectware installation is below 1.5.0, make sure that you have followed Upgrading from 1.x to 1.5 before upgrading to 1.7.0.

  2. Scale down the broker cluster in Kubernetes. Set the number of broker nodes and control-plane-broker nodes to zero and wait until all broker pods have been successfully removed.

  3. Delete the broker and control-plane-broker data volumes. Log volumes do not have to be deleted.

  4. If you are using multi-factor authentication (MFA), set the Helm value global.authentication.mfa.enabled to true.

  5. Apply the updated Helm Chart of Connectware version 1.7.0 For more information, see Installing Connectware on Kubernetes.

Once all pods are up and running again and no new deviations appear in Connectware, the upgrade has been successful.

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