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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/${CLUSTER_NAME}/artifacts/emcoctl.sh apply -f 02-project.yaml -v values.yaml\`
3. Create addons project
This creates the project with the addons listed `CompositeApps` value.
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply -f 03-addons-app.yaml -v values.yaml\`
4. Instantiate the addons
This instantiates each composite app listed in the `CompositeApps`
value.
NOTE: The ordering is important when both the sriov-network and
kubevirt addons are enabled. The sriov-network addon will trigger a
drain of the nodes and kubevirt will prevent the drain from
completing, so kubevirt must be instantiated after sriov-network has
completed the drain.
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply projects/kud/composite-apps/addons/v1/deployment-intent-groups/deployment/instantiate\`
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply projects/kud/composite-apps/networks/v1/deployment-intent-groups/deployment/instantiate\`
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply projects/kud/composite-apps/kubevirt/v1/deployment-intent-groups/deployment/instantiate\`
# Uninstalling KUD addons with emcoctl
1. Terminate the addons
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply projects/kud/composite-apps/kubevirt/v1/deployment-intent-groups/deployment/terminate\`
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply projects/kud/composite-apps/networks/v1/deployment-intent-groups/deployment/terminate\`
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh apply projects/kud/composite-apps/addons/v1/deployment-intent-groups/deployment/terminate\`
2. Delete addons
\`$ /opt/kud/multi-cluster/${CLUSTER_NAME}/artifacts/emcoctl.sh delete -f 03-addons-app.yaml -v values.yaml\`
3. Cleanup prerequisites
\`$ /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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