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This section will guide you through the process of submitting jobs to the EKS Cluster by modifying the workload POD configuration. 

Step 1

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: Modifying the Workload Pod YAML File

To ensure that your workload runs on Exostellar nodes with certain attributes, and it is scheduled by the Exostellar Karpenter autoscaler, you need to set affinity settings in your workload YAML file. Below is an example of how to modify your YAML file to include these settings:

apiVersion: v1
kind: Pod
metadata:
  name: my-workload-pod
spec:
 affinity:
    nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        nodeSelectorTerms:
        - matchExpressions:
          - key: karpenter.sh/nodepool
            operator: In
            values:
              - pool-a
  containers:
  - name: my-container
    image: my-image:latest
    ......

Step 2

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: Adding Node Labels in Exostellar Karpenter NodePool 

If your workload requires scheduling on nodes with specific labels, it is required to configure Exostellar Karpenter NodePool so nodes are created with needed labels in autoscaling process. To ensure that Exostellar Karpenter provisions nodes with the appropriate labels, you need to update the NodePool configuration with the help the following command: 

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apiVersion: karpenter.sh/v1beta1
kind: NodePool
metadata:
  creationTimestamp: "2024-06-02T20:06:58Z"
  name: pool-a
spec:
  limits:
    cpu: "400"
  template:
    metadata:
      labels:
        jobtype: batch
        nodeFamily: c5
    spec:
      nodeClassRef:
        name: pool-a
      requirements:
      - key: topology.kubernetes.io/zone
        operator: In
        values:
        - us-east-1a
      resources: {}
status: {}

Step 3

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: Submitting the Workload

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After modifying the workload YAML file, submit the job to the EKS Cluster just like you would run a regular pod:

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