zarf.yaml

kind: ZarfInitConfig
metadata:
  name: Zarf Official Init Package
  description: "Used to establish a new Zarf cluster"

seed:
  - library/registry:2.7.1

components:
  - name: k3s
    description: >
      *** REQUIRES ROOT ***
      Install K3s, certified Kubernetes distribution built for IoT & Edge computing.
      K3s provides the cluster need for Zarf running in Appliance Mode as well as can
      host a low-resource Gitops Service if not using an existing Kubernetes platform.
    scripts:
      retry: true
      before:
        # If running RHEL variant, disable firewalld
        # https://rancher.com/docs/k3s/latest/en/advanced/#additional-preparation-for-red-hat-centos-enterprise-linux
        # NOTE: The empty echo prevents infinite retry loops on non-RHEL systems where the exit code would be an error
        - "[ -e /etc/redhat-release ] && systemctl disable firewalld --now || echo ''"
      after:
        # Configure K3s systemd service
        - "systemctl daemon-reload"
        - "systemctl enable --now k3s"
        # Wait for the K3s node to come up
        - "/usr/sbin/kubectl get nodes"
        # Make sure things are really ready in k8s
        - "/usr/sbin/kubectl wait --for=condition=available deployment/coredns -n kube-system"
    files:
      # Include the actual K3s binary
      - source: https://github.com/k3s-io/k3s/releases/download/v1.21.6+k3s1/k3s
        shasum: 89eb5f3d12524d0a9d5b56ba3e2707b106e1731dd0e6d2e7b898ac585f4959df
        target: /usr/sbin/k3s
        executable: true
        # K3s magic provides these tools when symlinking
        symlinks:
          - /usr/sbin/kubectl
          - /usr/sbin/ctr
          - /usr/sbin/crictl
      # Transfer the K3s images for containerd to pick them up
      - source: https://github.com/k3s-io/k3s/releases/download/v1.21.6+k3s1/k3s-airgap-images-amd64.tar.zst
        shasum: 772ae839f8c7718e2022d103076df53452d4f09d2a22afdf4b5796cf0cbce62c
        target: /var/lib/rancher/k3s/agent/images/k3s.tar.zst
      # K3s removal script
      - source: assets/scripts/zarf-clean-k3s.sh
        target: /usr/sbin/zarf-clean-k3s.sh
        executable: true
      # The K3s systemd service definition
      - source: assets/scripts/k3s.service
        target: /etc/systemd/system/k3s.service
        symlinks:
          - /etc/systemd/system/multi-user.target.wants/k3s.service
      # Mock file for creating the kube config symlink
      - source: assets/misc/empty-file
        target: /etc/rancher/k3s/k3s.yaml
        symlinks:
          - /root/.kube/config

  - name: container-registry-seed
    required: true
    charts:
      - name: docker-registry
        url: https://github.com/defenseunicorns/docker-registry.helm.git
        version: 2.0.0
        namespace: zarf
        valuesFiles:
          - assets/charts/registry-values.yaml
          - assets/charts/registry-values-seed.yaml

  - name: container-registry
    required: true
    manifests:
      - name: kep-1775-registry-annotation
        files:
          - assets/manifests/registry/configmap.yaml
    charts:
      - name: docker-registry
        url: https://github.com/defenseunicorns/docker-registry.helm.git
        version: 2.0.0
        namespace: zarf
        valuesFiles:
          - assets/charts/registry-values.yaml

  - name: logging
    description: "Add Promtail, Grafana and Loki (PGL) to this cluster for log monitoring."
    images:
      - grafana/grafana:8.1.6
      - grafana/loki:2.4.1
      - grafana/promtail:2.1.0
      - quay.io/kiwigrid/k8s-sidecar:1.12.3
    charts:
      - name: loki-stack
        url: https://grafana.github.io/helm-charts
        version: 2.5.1
        namespace: zarf
        valuesFiles:
          - assets/charts/pgl-values.yaml

  - name: gitops-service
    description: "Add Registry and Gitea for serving gitops-based clusters in an airgap"
    images:
      - gitea/gitea:1.13.7
    charts:
      - name: gitea
        url: https://dl.gitea.io/charts
        version: 2.2.5
        namespace: zarf
        valuesFiles:
          - assets/charts/gitea-values.yaml