prole/k3s/prole-resources.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: knoe-kubeconfig-cm
  namespace: knoe-db
data:
  kube_config.sh: |
    #!/bin/bash
    # k3s/kube_config.sh - Automatically configure knoe-k3s context
    SERVER="https://myrddin.prole.org:6443"
    CLUSTER="knoe-k3s"
    USER="knoe-k3s"
    CONTEXT="knoe-k3s"
    CA_DATA="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"
    CERT_DATA="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"
    KEY_DATA="LS0tLS1CRUdJTiBFQyBQUklWQVRFIEtFWS0tLS0tCk1IY0NBUUVFSUdZT21JaWI4ZVVhcFJtQWxMQmM3c24xb0ZkVUpQTUJXYmUvZ2NydEs4THNvQW9HQ0NxR1NNNDlKQXdFSG9VUURRZ0FFZTBXY1h5V1RNakZSQlAxWXQ3Qk82cTBvTGNQUmtWUExzVHk5Wk44eGV1TWllRExjK2NFVApEenMrbVB6YUt2TEpXd2IrbTd6ajJZREQ5SUIrT3dOL1hnPT0KLS0tLS1FTkQgRUMgUFJJVkFURSBLRVktLS0tLQo="
    echo "Configuring ${CONTEXT}..."
    kubectl config set-cluster "${CLUSTER}" --server="${SERVER}" --embed-certs=true
    TMP_CA=$(mktemp)
    TMP_CERT=$(mktemp)
    TMP_KEY=$(mktemp)
    echo "${CA_DATA}" | base64 -d > "${TMP_CA}"
    echo "${CERT_DATA}" | base64 -d > "${TMP_CERT}"
    echo "${KEY_DATA}" | base64 -d > "${TMP_KEY}"
    kubectl config set-cluster "${CLUSTER}" --certificate-authority="${TMP_CA}" --embed-certs=true
    kubectl config set-credentials "${USER}" --client-certificate="${TMP_CERT}" --client-key="${TMP_KEY}" --embed-certs=true
    kubectl config set-context "${CONTEXT}" --cluster="${CLUSTER}" --user="${USER}" --namespace=default
    kubectl config use-context "${CONTEXT}"
    rm -f "${TMP_CA}" "${TMP_CERT}" "${TMP_KEY}"
    echo "Done. context ${CONTEXT} is ready."
    kubectl get nodes    
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: knoe-db-kong-config
  namespace: knoe-db
data:
  kong.yml: |
    _format_version: "3.0"
    _transform: true
    services:
      - name: knoe-service
        url: http://knoe-svc.knoe-db.svc.cluster.local:8080
        routes:
          - name: knoe-route
            paths:
              - /k3s/kube_config.sh    
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: knoe-ubuntu
  namespace: knoe-db
  labels:
    app: knoe-ubuntu
spec:
  replicas: 1
  selector:
    matchLabels:
      app: knoe-ubuntu
  template:
    metadata:
      labels:
        app: knoe-ubuntu
    spec:
      containers:
        - name: ubuntu
          image: ubuntu:22.04
          command: ["/bin/bash", "-c"]
          args:
            - |
              apt-get update && apt-get install -y python3
              mkdir -p /knoe/home/k3s/
              cp /tmp/kube_config.sh /knoe/home/k3s/kube_config.sh
              chmod +x /knoe/home/k3s/kube_config.sh
              cd /knoe/home
              python3 -m http.server 8080              
          ports:
            - containerPort: 8080
          volumeMounts:
            - name: script-vol
              mountPath: /tmp/kube_config.sh
              subPath: kube_config.sh
      volumes:
        - name: script-vol
          configMap:
            name: knoe-kubeconfig-cm
---
apiVersion: v1
kind: Service
metadata:
  name: knoe-svc
  namespace: knoe-db
spec:
  selector:
    app: knoe-ubuntu
  ports:
    - protocol: TCP
      port: 8080
      targetPort: 8080
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: knoe-myrddin-ingress
  namespace: knoe-db
  annotations:
    kubernetes.io/ingress.class: traefik
spec:
  rules:
  - host: myrddin.prole.org
    http:
      paths:
      - path: /k3s/kube_config.sh
        pathType: Prefix
        backend:
          service:
            name: knoe-db-kong
            port:
              number: 8000