---
apiVersion: v1
kind: Namespace
metadata:
  name: home-assistant
---
apiVersion: v1
kind: Service
metadata:
  namespace: home-assistant
  name: home-assistant
spec:
  selector:
    app: home-assistant
  type: ClusterIP
  ports:
  - name: http
    protocol: TCP
    port: 80
    targetPort: 8123
---
apiVersion: v1
kind: ConfigMap
metadata:
  namespace: home-assistant
  name: home-assistant-config
data:
  configuration.yaml: |
    # Loads default set of integrations
    default_config:

    http:
      use_x_forwarded_for: true
      trusted_proxies:
        - 10.42.0.0/16   # k3s pod CIDR (Traefik pod lives here)
        - 10.43.0.0/16   # k3s service CIDR
        - 10.88.20.0/24  # node subnet (Traefik runs hostNetwork-ish, forwards from 10.88.20.11)
---
apiVersion: apps/v1
kind: Deployment
metadata:
  namespace: home-assistant
  name: home-assistant
  labels:
    app: home-assistant
spec:
  replicas: 1
  selector:
    matchLabels:
      app: home-assistant
  template:
    metadata:
      labels:
        app: home-assistant
    spec:
      containers:
      - name: home-assistant
        image: ghcr.io/home-assistant/home-assistant:2026.7.4
        resources:
          requests:
            memory: "512Mi"
          limits:
            memory: "1Gi"
        ports:
        - containerPort: 8123
        volumeMounts:
        - name: config
          mountPath: /config
        - name: localtime
          mountPath: /etc/localtime
          readOnly: true
        - name: dbus
          mountPath: /run/dbus
          readOnly: true
        securityContext:
          privileged: true
          capabilities:
            add:
              - NET_ADMIN
              - NET_RAW
              - SYS_ADMIN
      # Seed configuration.yaml from the ConfigMap onto the writable PVC so that
      # Home Assistant has a writable configuration.yaml (required for the UI to
      # create/save scripts, helpers, reloads, etc.). The ConfigMap stays the
      # GitOps source of truth: it is re-copied on every pod start. UI-managed
      # entities (scripts, automations, integrations) live in /config/.storage
      # on the PVC and are never overwritten by this step.
      initContainers:
      - name: seed-config
        image: busybox:1.36
        command: ["/bin/sh", "-c"]
        args:
          - |
            set -e
            echo "Seeding /config/configuration.yaml from ConfigMap..."
            cp /config-cm/configuration.yaml /config/configuration.yaml
            echo "Done."
        volumeMounts:
        - name: config
          mountPath: /config
        - name: configuration
          mountPath: /config-cm
          readOnly: true
      hostNetwork: true
      volumes:
        - name: config
          persistentVolumeClaim:
            claimName: home-assistant-config
        - name: configuration
          configMap:
            name: home-assistant-config
        - name: localtime
          hostPath:
            path: /etc/localtime
            type: File
        - name: dbus
          hostPath:
            path: /run/dbus
            type: Directory
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  namespace: home-assistant
  name: home-assistant-config
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 5Gi
---