Register Worker Clusters

The YAML files to register the kind worker cluster and install the Slice Operator (Worker Operator) on them are described in this topic.

warning

Istio does not work with kind clusters.

Create the Cluster Registration YAML File

Create the cluster-reg.yamlfile for registering the worker cluster using the following template.

info

To understand more about the configuration parameters, see Cluster Registration Configuration Parameters.

apiVersion: controller.kubeslice.io/v1alpha1
kind: Cluster
metadata:
  name: <first-worker-cluster-name>  # kind-worker-1 
  namespace: kubeslice-<project name> # kubeslice-avesha
spec:
  networkInterface: eth0
---
apiVersion: controller.kubeslice.io/v1alpha1
kind: Cluster
metadata:
  name: <second-worker-cluster-name> # kind-worker-2
  namespace: kubeslice-<project name> # kubeslice-avesha
spec:
  networkInterface: eth0

Apply the Cluster Registration YAML File

Apply the cluster-reg.yaml file by using the following command:

kubectl apply -f cluster-reg.yaml -n kubeslice-<project name>

Validate the Registered Clusters

Validate the registered clusters by using the following command:

kubectl get clusters -n kubeslice-<project name>

Example

kubectl get clusters -n kubeslice-avesha

Expected Output

NAME           AGE
kind-worker-1  51s
kind-worker-2  51s

Create the Slice Operator YAML File

Create theslice-operator.yaml file using the following template.

info

To understand more about the configuration parameters, see Slice Operator Configuration Parameters.

## Base64 encoded secret values from the controller cluster
controllerSecret:
  namespace: <namespace from secrets> 
  endpoint: <base64 of (https://<kind-controller-control-plane-nodeip>:6443)>
  ca.crt: <ca.crt from secrets>
  token: <token from secrets>

cluster:
  name: <worker-cluster-name> # kind-worker-1
  nodeIp: <worker-cluster-nodeip> # 172.18.0.6

Get the Node IPs of Worker Clusters

Switch the context to the worker cluster.

kubectx <cluster name>

Retrieve the node IP of the worker cluster by running the following command:

info

The grep and awk commands do not work on Windows. Use Gitbash to use grep and awk commands if you are on Windows.

kubectl get nodes -o wide | grep master | awk '{ print $6 }'

Expected Output

172.18.0.6

Example of the Slice Operator YAML file

## Base64 encoded secret values from controller cluster
controllerSecret:
  namespace: a3ViZXNsaWNlLWF2ZXNoYQ==
  endpoint: aHR0cHM6Ly8xNzIuMTguMC4zOjY0NDM=
  ca.crt: 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
  token: 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

cluster:
  name: worker-1
  nodeIp: 172.18.0.7

Apply the Slice Operator Values File

The following information is required to apply the manifest file.

Parameter	Description
<values-file>	The file name that contains the configuration values.

You must install the Slice Operator in the registered cluster.

Apply the slice configuration through the slice-operator.yaml to the worker cluster by using the following command:

helm install kubeslice-worker kubeslice/kubeslice-worker -f <full path of slice-operator.yaml> --namespace kubeslice-system  --create-namespace

Validating the Slice Operator Installation

To validate the Slice Operator installation in the registered cluster, check the pods belonging to the namespace kubeslice-system by using the following command:

kubectl get pods -n kubeslice-system

Expected Output

NAME                                         READY   STATUS             RESTARTS      AGE
forwarder-kernel-rjmkr                       1/1     Running            0             75s
kubeslice-install-crds-kkdg4                 0/1     Completed          0             75s
kubeslice-dns-85667c68fc-wb4dv               1/1     Running            0             75s
kubeslice-netop-zb4jq                        1/1     Running            0             75s
kubeslice-operator-76f5d97796-zv6nm          2/2     Running            0             75s
nsm-admission-webhook-k8s-5cc8cd8bcd-pv7pm   1/1     Running            0             75s
nsm-install-crds-1-z6bkd                     0/1     Completed          0             78s
nsmgr-nmrv6                                  2/2     Running            0             75s
registry-k8s-79c89968c4-gcm2k                1/1     Running            0             75s

info

You must repeat the same sequence of steps that is getting secrets, creating the values .yaml file and applying it on each worker cluster to install the Slice Operator on other worker clusters.