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# Installing KUD addons with emcoctl
1. Customize values.yaml as needed
To create a customized profile for a specific addon, edit the profile
as needed, and then (for example, cpu-manager):
```
tar -czf /opt/kud/multi-cluster/addons/cpu-manager.tar.gz -C /opt/kud/multi-cluster/addons/cpu-manager/helm .
tar -czf /opt/kud/multi-cluster/addons/cpu-manager_profile.tar.gz -C /opt/kud/multi-cluster/addons/cpu-manager/profile .
```
2. Create prerequisites to deploy addons
Apply prerequisites. This step is optional. If there are existing
resources in the cluster, it is sufficient to customize values.yaml
with the values of those resources. The supplied YAML files creates
the controllers, one or more clusters, one project, and one logical
cloud.
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply -f 00-controllers.yaml -v values.yaml\`
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply -f 01-cluster.yaml -v values.yaml\`
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply -f 02-project.yaml -v values.yaml\`
3. Deploy addons
This deploys the addons listed in the \`Addons\` and
\`AddonResources\` values in values.yaml.
NOTE: On a single node cluster, the SRIOV addon resource will trigger
a drain of the worker node. KubeVirt will prevent the drain from
completing due to its PodDisruptionBudget. The workaround is to scale
down the KubeVirt operator before applying 04-addon-resources-app.yaml
then scaling it back up after the node is ready again.
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply -f 03-addons-app.yaml -v values.yaml\`
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply -f 04-addon-resources-app.yaml -v values.yaml\`
# Uninstalling KUD addons with emcoctl
1. Delete addons
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh delete -f 04-addon-resources-app.yaml -v values.yaml\`
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh delete -f 03-addons-app.yaml -v values.yaml\`
2. Cleanup prerequisites
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh delete -f 02-project.yaml -v values.yaml\`
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh delete -f 01-cluster.yaml -v values.yaml\`
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh delete -f 00-controllers.yaml -v values.yaml\`
#### NOTE: Known issue: deletion of the resources fails sometimes as
some resources can't be deleted before others are deleted. This can
happen due to timing issue. In that case try deleting again and the
deletion should succeed.
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