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Chapter 4. Upgrading Camel K
You can upgrade installed Camel K operator automatically, but it does not automatically upgrade the Camel K integrations. You must manually trigger the upgrade for the Camel K integrations. This chapter explains how to upgrade both Camel K operator and Camel K integrations.
4.1. Upgrading Camel K operator
The subscription of an installed Camel K operator specifies an update channel, for example, 1.4.0 channel, which is used to track and receive updates for the operator. To upgrade the operator to start tracking and receiving updates from a newer channel, you can change the update channel in the subscription. See Upgrading installed operators for more information about changing the update channel for installed operator.
- Installed Operators cannot change to a channel that is older than the current channel.
If the approval strategy in the subscription is set to Automatic, the upgrade process initiates as soon as a new Operator version is available in the selected channel. If the approval strategy is set to Manual, you must manually approve pending upgrades.
Prerequisites
- Camel K operator is installed using Operator Lifecycle Manager (OLM).
Procedure
-
In the Administrator perspective of the OpenShift Container Platform web console, navigate to Operators
Installed Operators. - Click the Camel K Operator.
- Click the Subscription tab.
- Click the name of the update channel under Channel.
-
Click the newer update channel that you want to change to. For example,
1.4.x. Click Save. This will start the upgrade to version1.4.x.
For subscriptions with an Automatic approval strategy, the upgrade begins automatically. Navigate back to the Operators
For subscriptions with a Manual approval strategy, you can manually approve the upgrade from the Subscription tab.
4.2. Upgrading Camel K integrations
When you trigger the upgrade for Camel K operator, the operator prepares the integrations to be upgraded, but does not trigger an upgrade for each one, to avoid service interruptions. When upgrading the operator, integration custom resources are not automatically upgraded to the newer version, so for example, the operator may be at version 1.4.1, while integrations report the status.version field of the custom resource the previous version 1.4.0.
Prerequisites
Camel K operator is installed and upgraded using Operator Lifecycle Manager (OLM).
Procedure
- Open the terminal and run the following command to upgrade the Camel K intergations.
kamel rebuild myintegration
This will clear the status of the integration resource and the operator will start the deployment of the integration using the artifacts from upgraded version, for example, version 1.4.1.
