Home • Nino Martinez Wael

K8S on CoreOs so I can test coco

https://docs.fedoraproject.org/en-US/fedora-coreos/producing-ign/

podman pull quay.io/coreos/butane:release
podman run --interactive --rm quay.io/coreos/butane:release --pretty --strict remote.bu transpiled_config.ign
podman run --interactive --rm --security-opt label=disable --volume "${PWD}:/pwd" --workdir /pwd quay.io/coreos/butane:release --pretty --strict remote.bu --out transpiled_config.ign

CoreOs Butane

{
  "ignition": {
    "version": "3.2.0"
  },
  "passwd": {
    "users": [
      {
        "name": "core",
        "sshAuthorizedKeys": [
          "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIWiVh70HA7zk3Y+AcXz3sRmAaOP1gUDvidWpqXivoiX accdom01\\m24669@W7N12083"
        ]
      }
    ]
  },
  "storage": {
    "files": [
      {
        "path": "/etc/hostname",
        "mode": 420,
        "overwrite": true,
        "contents": {
          "source": "data:,podman-box"
        }
      }
    ]
  },
  "systemd": {
    "units": [
      {
        "name": "podman.socket",
        "enabled": true
      }
    ]
  }
}

Install kind

kind create cluster —config=

kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
name: dev01
networking:
  # WARNING: It is _strongly_ recommended that you keep this the default
  # (127.0.0.1) for security reasons. However it is possible to change this.
  apiServerAddress: "0.0.0.0"
nodes:
- role: control-plane
  kubeadmConfigPatches:
  - |
    kind: ClusterConfiguration
    apiServer:
      certSANs:
      - "192.168.1.155"
      - "podman-box"
- role: worker
  labels:
    "node.kubernetes.io/worker":

Hello World!

Notes

K8S on CoreOs

Checking out cncf CoCo