GistPin/infrastructure/k8s/dns/external-dns.yaml at main · ghzhost/GistPin · GitHub

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---
# External DNS configuration (issue #557)
# Automatically creates DNS records for Kubernetes services and ingresses
apiVersion: apps/v1
kind: Deployment
metadata:
  name: external-dns
  namespace: kube-system
  labels:
    app: external-dns
spec:
  replicas: 1
  selector:
    matchLabels:
      app: external-dns
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: external-dns
    spec:
      serviceAccountName: external-dns
      containers:
      - name: external-dns
        image: registry.k8s.io/external-dns/external-dns:v0.14.0
        args:
        - --source=service
        - --source=ingress
        - --domain-filter=gistpin.com # Primary domain for GistPin
        - --domain-filter=gistpin.local # Internal cluster domain
        - --provider=google # Update this for your cloud provider (aws, azure, cloudflare, etc.)
        - --policy=upsert-only # Prevent external-dns from deleting records
        - --registry=txt
        - --txt-owner-id=gistpin-cluster
        resources:
          requests:
            cpu: 100m
            memory: 50Mi
          limits:
            cpu: 200m
            memory: 100Mi
        livenessProbe:
          httpGet:
            path: /healthz
            port: 7979
          initialDelaySeconds: 10
          timeoutSeconds: 5
        readinessProbe:
          httpGet:
            path: /healthz
            port: 7979
          initialDelaySeconds: 5
          timeoutSeconds: 5
---
# Service account and permissions for external-dns
apiVersion: v1
kind: ServiceAccount
metadata:
  name: external-dns
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: external-dns
rules:
- apiGroups: [""]
  resources: ["services","endpoints","pods","nodes"]
  verbs: ["get","watch","list"]
- apiGroups: ["extensions","networking.k8s.io"]
  resources: ["ingresses"]
  verbs: ["get","watch","list"]
- apiGroups: [""]
  resources: ["nodes"]
  verbs: ["list","watch"]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: external-dns-viewer
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: external-dns
subjects:
- kind: ServiceAccount
  name: external-dns
  namespace: kube-system