Once you have created your cluster groups and assigned nodes to the different cluster groups, you can target the deployment of the resources on a given cluster group. For this, Cellar provides the cluster-aware commands of the regular Karaf commands.
For instance, Karaf provides a
features:install <feature_name> command to install a Karaf feature in the container. Additionally, Cellar provides
cluster:feature-install <group_name> <feature_name>, which is similar to the
features:install command. The
features:install command will install the feature locally to the Karaf container, whereas the
cluster:feature-install command will install the feature on the cluster in the given cluster group.
At the end of this chapter, you will ...