ungleich-k8s/apps/knotdns/templates/deployment.yaml

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ .Release.Name }}-knot
spec:
  selector:
    matchLabels:
      app: {{ .Release.Name }}-knot
  replicas: 2
  template:
    metadata:
      labels:
        app: {{ .Release.Name }}-knot
        use-as-service: {{ .Release.Name }}
    spec:
      initContainers:
      containers:
        - name: knot
          image: cznic/knot:3.0
          ports:
            - containerPort: 53
          volumeMounts:
            - name: config
              mountPath: "/config"
            - name: zones
              mountPath: "/zones"
          args:
            - knotd
      volumes:
        - name: config
          configMap:
            name: {{ tpl .Values.identifier . }}-config
        - name: zones
          configMap:
            name: {{ tpl .Values.identifier . }}-zones

---
apiVersion: v1
kind: Service
metadata:
  name: {{ tpl .Values.identifier . }}
  labels:
    app: {{ tpl .Values.identifier . }}
spec:
  type: ClusterIP
  ports:
   - port: 53
     protocol: TCP
     name: tcp-53
   - port: 53
     protocol: UDP
     name: udp-53
  selector:
   use-as-service: {{ .Release.Name }}
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ tpl .Values.identifier . }}-zones
data:
{{ tpl (.Files.Glob "zones/*").AsConfig . | indent 2 }}
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: {{ tpl .Values.identifier . }}-config
data:
  knot.conf: |
    server:
        listen: 0.0.0.0@53
        listen: ::@53

    log:
      - target: stdout

    zone:
      - domain: place7.ungleich.ch
        file: /zones/place7.ungleich.ch

  notknot.conf: |
    server:
        listen: 0.0.0.0@53
        listen: ::@53

    log:
      - target: stdout

    zone:
    {{- range $path, $_ :=  .Files.Glob  "zones/*" }}
    {{- $domain := base $path }}
    {{ printf "- domain: %s" $domain | indent 2}}
    {{ printf "file: /zones/%s" $domain | indent 4}}
    {{ end }}