helm-dynamically-retrieved-values.yfg.yaml

pipeline:
- name: fetch-ami-id
  exec:
    command: /bin/bash
    args:
      - -c
      - |
          aws ssm get-parameter --name /aws/service/eks/optimized-ami/1.30/amazon-linux-2/recommended --output json --query 'Parameter.Value'

- name: extract-ami-id
  jq:
    input:
      ref: fetch-ami-id
    expr: '. | fromjson | .image_id'

- name: karpenter-values
  gotemplate:
    refVars:
      eks:
        file: ../files/eks-vars.yaml
    template:
      value:
        serviceAccount:
          annotations:
            eks.amazonaws.com/role-arn: "{{ .eks.roleARN }}"
        settings:
          clusterName: "{{ .eks.clusterName }}"
          clusterEndpoint: "{{ .eks.clusterEndpoint }}"
          interruptionQueue: "{{ .eks.clusterName }}"

- name: helm
  helm:
    chart: oci://public.ecr.aws/karpenter/karpenter
    version: 1.0.0
    releaseName: karpenter
    namespace: karpenter
    includeCRDs: true
    values:
      - ref: karpenter-values

- name: karpenter-node-pool
  gotemplate:
    refVars:
      eks:
        file: ../files/eks-vars.yaml
      amiID:
        ref: extract-ami-id
    template:
      value: |
        apiVersion: karpenter.sh/v1
        kind: NodePool
        metadata:
          name: default
        spec:
          template:
            spec:
              nodeClassRef:
                group: karpenter.k8s.aws
                kind: EC2NodeClass
                name: default
        ---
        apiVersion: karpenter.k8s.aws/v1
        kind: EC2NodeClass
        metadata:
          name: default
        spec:
          role: "{{ .eks.nodeClassRole }}"
          amiSelectorTerms:
            - id: "{{ .amiID }}"
          securityGroupSelectorTerms:
            - tags:
                karpenter.sh/discovery: "{{ .eks.clusterName }}"
          subnetSelectorTerms:
            - tags:
                karpenter.sh/discovery: "{{ .eks.clusterName }}"
          tags:
            managed-by: karpenter

- name: output
  yaml:
    input:
      - ref: helm
      - ref: karpenter-node-pool