8.3. Setting the image trigger on Kubernetes resources

When adding an image trigger to deployments, you can use the oc set triggers command. For example, the sample command in this procedure adds an image change trigger to the deployment named example so that when the example:latest image stream tag is updated, the web container inside the deployment updates with the new image value. This command sets the correct image.openshift.io/triggers annotation on the deployment resource.

Procedure

  • Trigger Kubernetes resources by entering the oc set triggers command:

    $ oc set triggers deploy/example --from-image=example:latest -c web

Unless the deployment is paused, this pod template update automatically causes a deployment to occur with the new image value.