init

traefik-repo/traefik-k8s/1.ingress-controller.yaml

@@ -0,0 +1,6 @@
+apiVersion: networking.k8s.io/v1
+kind: IngressClass
+metadata:
+  name: traefik-lb
+spec:
+  controller: traefik.io/ingress-controller

traefik-repo/traefik-k8s/2.external-dns.yaml

@@ -0,0 +1,71 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: external-dns
+  namespace: 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: k8s.gcr.io/external-dns/external-dns:v0.7.6
+        args:
+        - --source=ingress # ingress is also possible, or service
+        - --domain-filter=domain.ru # (optional) limit to only example.com domains; change to match the zone created above.
+        - --provider=hetzner # [link](https://github.com/kubernetes-sigs/external-dns)
+        - --txt-owner-id=bttrm-eks-dev-1-external-dns # Key from you mind
+        - --log-level=info
+        - --interval=30s
+        env:
+        - name: HETZNER_TOKEN
+          value: "" # real token from API Dashboard
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: external-dns
+  namespace: external-dns
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: external-dns
+rules:
+- apiGroups: [""]
+  resources: ["services","endpoints","pods"]
+  verbs: ["get","watch","list"]
+- apiGroups: ["extensions","networking.k8s.io"]
+  resources: ["ingresses"]
+  verbs: ["get","watch","list"]
+- apiGroups: ["networking.k8s.io"]
+  resources: ["ingresses"]
+  verbs: ["get", "list", "update", "patch"]
+- apiGroups: [""]
+  resources: ["pods"]
+  verbs: ["get","watch","list"]
+- apiGroups: [""]
+  resources: ["nodes"]
+  verbs: ["list"]
+---
+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: external-dns

traefik-repo/traefik-k8s/3.deploy.yaml

@@ -0,0 +1,102 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx
+  namespace: test
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - image: nginx
+        name: nginx
+        ports:
+        - containerPort: 80
+---
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: nginx-service
+  namespace: test
+spec:
+  selector:
+    app: nginx
+  type: NodePort
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80
+      nodePort: 31080
+---
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: nginx-endpoint
+  namespace: test
+  annotations:
+    traefik.ingress.kubernetes.io/service.serversscheme: "http"
+    traefik.ingress.kubernetes.io/service.passhostheader: "true"
+spec:
+  type: ClusterIP
+  clusterIP: None
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80
+
+---
+
+apiVersion: v1
+kind: Endpoints
+metadata:
+  name: nginx-endpoint
+  namespace: test
+subsets:
+- addresses:
+    - ip: 192.168.1.201
+  ports:
+    - port: 31080
+- addresses:
+    - ip: 192.168.1.202
+  ports:
+    - port: 31080
+- addresses:
+    - ip: 192.168.1.203
+  ports:
+    - port: 31080
+---
+
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  labels:
+    baremetal-ingress: traefik-nsk
+  annotations:
+    kubernetes.io/ingress.class: traefik-lb
+    external-dns.alpha.kubernetes.io/hostname: lb.domain.ru
+    traefik.ingress.kubernetes.io/router.entrypoints: https
+    traefik.ingress.kubernetes.io/router.tls: "true"
+    traefik.ingress.kubernetes.io/router.tls.certresolver: letsEncrypt
+  name: nginx-ingress
+  namespace: test
+spec:
+  rules:
+  - host: lb.domain.ru
+    http:
+      paths:
+      - pathType: Prefix
+        path: "/"
+        backend:
+          service:
+            name: nginx-endpoint
+            port:
+              number: 80
+---

traefik-repo/traefik-k8s/readme.MD

@@ -0,0 +1,5 @@
+# Пример деплоя в связке с Traefik
+
+- создаем ингресс-контроллер
+- подключаем сервис для автоматического управления внешним DNS
+- деплоим приложение, учитывая то, что там надо запустить еще один сервис (без селектора на приложение) и переопределить для него эндпоинты с адресами нод кластера и нод-портами на них