home-network-k3s-impl/apps/wave-0/vm-demo.yaml

---
# Namespace (trust zone; default-deny + policies apply)
apiVersion: v1
kind: Namespace
metadata:
  name: vm-demo
  labels:
    homelab.keithjackson.dev/app-namespace: 'true'
  annotations:
    homelab.keithjackson.dev/backup-policy: daily-offcluster
---
# Default-deny baseline (R-NET-01): deny all, allow only DNS
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny
  namespace: vm-demo
  labels:
    homelab.keithjackson.dev/baseline: default-deny
spec:
  podSelector: {}
  policyTypes:
  - Ingress
  - Egress
  ingress: []
  egress:
  - to:
    - namespaceSelector:
        matchLabels:
          kubernetes.io/metadata.name: kube-system
    ports:
    - protocol: UDP
      port: 53
    - protocol: TCP
      port: 53
---
# CDI DataVolume (standalone; survives rebuild, R-STATE-01)
apiVersion: cdi.kubevirt.io/v1beta1
kind: DataVolume
metadata:
  name: vm-demo-rootdisk
  namespace: vm-demo
spec:
  source:
    registry:
      url: docker://quay.io/containerdisks/fedora:41
  storage:
    accessModes:
    - ReadWriteOnce
    storageClassName: longhorn
    resources:
      requests:
        storage: 6Gi
---
# KubeVirt VirtualMachine (R-PLAT-03)
apiVersion: kubevirt.io/v1
kind: VirtualMachine
metadata:
  name: vm-demo
  namespace: vm-demo
  labels:
    app.kubernetes.io/name: vm-demo
spec:
  running: false
  template:
    metadata:
      labels:
        kubevirt.io/vm: vm-demo
        homelab.keithjackson.dev/egress-class: internet
        homelab.keithjackson.dev/auth-mode: none
    spec:
      domain:
        cpu:
          cores: 1
        memory:
          guest: 1536Mi
        devices:
          disks:
          - name: rootdisk
            disk:
              bus: virtio
          - name: cloudinit
            disk:
              bus: virtio
          interfaces:
          - name: default
            masquerade: {}
        resources:
          requests:
            memory: 1536Mi
      networks:
      - name: default
        pod: {}
      volumes:
      - name: rootdisk
        dataVolume:
          name: vm-demo-rootdisk
      - name: cloudinit
        cloudInitNoCloud:
          userData: "#cloud-config\npackage_update: true\npackages:\n  - dnf-automatic\nwrite_files:\n  - path: /etc/dnf/automatic.conf\n    content: |\n      [commands]\n      upgrade_type = default\n      random_sleep = 0\n      download_updates = yes\n      apply_updates = yes\nruncmd:\n  - [ systemctl, enable, --now, dnf-automatic.timer ]\n"
---
# CiliumNetworkPolicy world egress allow (egress class governs the path; R-NET-05): vm-demo-allow-internet-egress
apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
  name: vm-demo-allow-internet-egress
  namespace: vm-demo
  labels:
    app.kubernetes.io/name: vm-demo
spec:
  endpointSelector:
    matchLabels:
      app.kubernetes.io/name: vm-demo
  egress:
  - toEntities:
    - world
---
# ServiceMonitor (R-OBS-01)
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: vm-demo
  namespace: vm-demo
  labels:
    release: kube-prometheus-stack
    app.kubernetes.io/name: vm-demo
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: vm-demo
  namespaceSelector:
    matchNames:
    - vm-demo
  endpoints:
  - port: metrics
    interval: 30s
---
# PrometheusRule SLI alerts (R-OBS-01)
apiVersion: monitoring.coreos.com/v1
kind: PrometheusRule
metadata:
  name: vm-demo-slis
  namespace: vm-demo
  labels:
    release: kube-prometheus-stack
    app.kubernetes.io/name: vm-demo
spec:
  groups:
  - name: vm-demo.slis
    rules:
    - alert: vm-demo-down
      expr: up{job="vm-demo"} == 0
      for: 5m
      labels:
        severity: critical
        service: vm-demo
      annotations:
        summary: vm-demo is down
        description: 'vm-demo has been unreachable for 5m (SLI: up).'