traefik.yaml

kind: ServiceAccount
apiVersion: v1
metadata:
  name: traefik-ingress-controller
  namespace: a0008
  labels:
    app.kubernetes.io/name: traefik-ingress-ilb
    app.kubernetes.io/instance: traefik-ingress-ilb
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: traefik-ingress-controller
  namespace: a0008
  labels:
    app.kubernetes.io/name: traefik-ingress-ilb
    app.kubernetes.io/instance: traefik-ingress-ilb
rules:
  - apiGroups:
      - ""
    resources:
      - services
      - endpoints
      - secrets
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - extensions
      - networking.k8s.io
    resources:
      - ingresses
      - ingressclasses
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - extensions
    resources:
      - ingresses/status
    verbs:
      - update
  - apiGroups:
      - traefik.containo.us
    resources:
      - middlewares
      - ingressroutes
      - traefikservices
      - ingressroutetcps
      - ingressrouteudps
      - tlsoptions
      - tlsstores
      - serverstransports
    verbs:
      - get
      - list
      - watch
---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  name: traefik-watch-workloads
  namespace: a0008
  labels:
    app.kubernetes.io/name: traefik-ingress-ilb
    app.kubernetes.io/instance: traefik-ingress-ilb
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: traefik-ingress-controller
subjects:
- kind: ServiceAccount
  name: traefik-ingress-controller
  namespace: a0008
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: traefik-ingress-config
  namespace: a0008
  labels:
    app.kubernetes.io/name: traefik-ingress-ilb
    app.kubernetes.io/instance: traefik-ingress-ilb
data:
  traefik.toml: |
    [metrics]
      [metrics.prometheus]
        entryPoint = "metrics"
        addEntryPointsLabels = true
        addServicesLabels = true
    [accessLog]
      filePath = "/data/access.log"
      bufferingSize = 100
    [global]
      # prevent Traefik from checking newer versions in production
      checknewversion = false
      # prevent Traefik from collecting and sending stats from production
      sendanonymoususage = false
    [log]
      level = "ERROR"
      format = "json"
    [api]
      dashboard = false
    [providers]
      # Configuration reload frequency:
      #   * duration that Traefik waits for, after a configuration reload, before taking into account any new configuration refresh event
      #   * the most recent one is taken into account, and all the previous others are dropped.
      providersThrottleDuration = 10
      [providers.file]
        filename = "/config/traefik.toml"
        watch = true
      # Traefik provider that supports the native Kubernetes Ingress specification
      # and derives the corresponding dynamic configuration from it. https://kubernetes.io/docs/concepts/services-networking/ingress/
      [providers.kubernetesingress]
        ingressClass = "traefik-internal"
        namespaces = ["a0008"]
        [providers.kubernetesIngress.ingressEndpoint]
          publishedService = "a0008/traefik-ingress-service"
    # Enable gzip compression
    [http.middlewares]
      [http.middlewares.gzip-compress.compress]
      [http.middlewares.app-gateway-snet.ipWhiteList]
        sourceRange = ["10.240.4.16/28"]
    [entryPoints]
      [entryPoints.metrics]
        address = ":8082"
      [entryPoints.traefik]
        address = ":9000"
      [entryPoints.websecure]
        address = ":8443"
        [entryPoints.web.forwardedHeaders]
          trustedIPs = ["10.240.4.16/28"]
        [entryPoints.websecure.http.tls]
          options = "default"
    [ping]
      entryPoint = "traefik"
    [tls]
      # without duplicating this cert config and with SNI enabled, Traefik won't
      # find the certificates for your host. It may be a Traefik's issue.
      [[tls.certificates]]
        certFile = "/certs/tls.crt"
        keyFile = "/certs/tls.key"
        stores = ["default"]
      [tls.stores]
        [tls.stores.default]
          [tls.stores.default.defaultCertificate]
            # without specifying in here your certs, Traefik will create its own
            # certificate
            certFile = "/certs/tls.crt"
            keyFile = "/certs/tls.key"
      [tls.options.default]
        minVersion = "VersionTLS12"
        sniStrict = true
---
apiVersion: v1
kind: Service
metadata:
  name: traefik-ingress-service
  namespace: a0008
  labels:
    app.kubernetes.io/name: traefik-ingress-ilb
    app.kubernetes.io/instance: traefik-ingress-ilb
  annotations:
    service.beta.kubernetes.io/azure-load-balancer-internal: "true"
    service.beta.kubernetes.io/azure-load-balancer-internal-subnet: "snet-clusteringressservices"
spec:
  type: LoadBalancer
  loadBalancerIP: 10.240.4.4
  externalTrafficPolicy: Local
  selector:
    app.kubernetes.io/name: traefik-ingress-ilb
    app.kubernetes.io/instance: traefik-ingress-ilb
  ports:
  - port: 443
    name: https
    targetPort: websecure
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: traefik-ingress-controller
  namespace: a0008
  labels:
    app.kubernetes.io/name: traefik-ingress-ilb
    app.kubernetes.io/instance: traefik-ingress-ilb
    aadpodidbinding: podmi-ingress-controller
spec:
  replicas: 2
  selector:
    matchLabels:
      app.kubernetes.io/name: traefik-ingress-ilb
      app.kubernetes.io/instance: traefik-ingress-ilb
  strategy:
    type: RollingUpdate
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
  template:
    metadata:
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "8082"
      labels:
        app.kubernetes.io/name: traefik-ingress-ilb
        app.kubernetes.io/instance: traefik-ingress-ilb
        aadpodidbinding: podmi-ingress-controller
    spec:
      hostNetwork: false
      serviceAccountName: traefik-ingress-controller
      terminationGracePeriodSeconds: 60
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app.kubernetes.io/name
                operator: In
                values:
                - traefik-ingress-ilb
            topologyKey: "kubernetes.io/hostname"
      containers:
        # PRODUCTION READINESS CHANGE REQUIRED
        # This image should be sourced from a non-public container registry, such as the
        # one deployed along side of this reference implementation.
        # az acr import --source docker.io/library/traefik:v2.4.8 -n <your-acr-instance-name>
        # and then set this to
        # image: <your-acr-instance-name>.azurecr.io/library/traefik:v2.4.8
      - image: docker.io/library/traefik:v2.4.8
        name: traefik-ingress-controller
        resources:
          requests:
            cpu: 100m
            memory: 64Mi
          limits:
            cpu: 200m
            memory: 128Mi
        readinessProbe:
          httpGet:
            path: /ping
            port: "traefik"
          failureThreshold: 1
          initialDelaySeconds: 10
          periodSeconds: 10
          successThreshold: 1
          timeoutSeconds: 2
        livenessProbe:
          httpGet:
            path: /ping
            port: "traefik"
          failureThreshold: 3
          initialDelaySeconds: 10
          periodSeconds: 10
          successThreshold: 1
          timeoutSeconds: 2
        ports:
        - name: "traefik"
          containerPort: 9000
          protocol: TCP
        - name: "websecure"
          containerPort: 8443
          protocol: TCP
        - name: "metrics"
          containerPort: 8082
          protocol: TCP
        securityContext:
          capabilities:
            drop:
            - ALL
          readOnlyRootFilesystem: true
          runAsGroup: 65532
          runAsNonRoot: true
          runAsUser: 65532
        volumeMounts:
          - name: data
            mountPath: /data
          - name: config
            mountPath: /config
            readOnly: true
          - name: ssl-csi
            mountPath: /certs
            readOnly: true
        args:
        - --configfile=/config/traefik.toml
      volumes:
        - name: config
          configMap:
            name: traefik-ingress-config
        - name: ssl-csi
          csi:
            driver: secrets-store.csi.k8s.io
            readOnly: true
            volumeAttributes:
              secretProviderClass: aks-ingress-tls-secret-csi-akv
        - name: data
          emptyDir: {}
      nodeSelector:
       agentpool: npuser01