aks http application routing addon

README.md

Installation

Select at cluster creation in the Azure Portal or run the following to add to your existing AKS cluster

az resource update --ids '/subscriptions/<subid>/resourcegroups/<resource_group>/providers/Microsoft.ContainerService/managedClusters/<aks_cluster_name>' --set properties.addonProfiles.httpApplicationRouting='{"enabled":true}' 

external-dns.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  annotations:
    deployment.kubernetes.io/revision: "1"
    kubectl.kubernetes.io/last-applied-configuration: |
      {"apiVersion":"extensions/v1beta1","kind":"Deployment","metadata":{"annotations":{},"labels":{"addonmanager.kubernetes.io/mode":"Reconcile","app":"addon-http-application-routing-external-dns","kubernetes.io/cluster-service":"true"},"name":"addon-http-application-routing-external-dns","namespace":"kube-system"},"spec":{"strategy":{"type":"Recreate"},"template":{"metadata":{"labels":{"app":"addon-http-application-routing-external-dns"}},"spec":{"containers":[{"args":["--source=service","--source=ingress","--provider=azure","--azure-resource-group=MC_devopspreview82d8_devops-preview_eastus","--domain-filter=d8af9473-84bd-4b9d-9a01-c912bdc437f7.eastus.aksapp.io","--annotation-filter=kubernetes.io/ingress.class=addon-http-application-routing"],"image":"zalan.azureedge.net/teapot/external-dns:v0.4.8","imagePullPolicy":"Always","name":"addon-http-application-routing-external-dns","volumeMounts":[{"mountPath":"/etc/kubernetes/azure.json","name":"azure-config-file","readOnly":true}]}],"serviceAccountName":"addon-http-application-routing-external-dns","volumes":[{"hostPath":{"path":"/etc/kubernetes/azure.json"},"name":"azure-config-file"}]}}}}
  creationTimestamp: null
  generation: 1
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
    app: addon-http-application-routing-external-dns
    kubernetes.io/cluster-service: "true"
  name: addon-http-application-routing-external-dns
  selfLink: /apis/extensions/v1beta1/namespaces/kube-system/deployments/addon-http-application-routing-external-dns
spec:
  replicas: 1
  selector:
    matchLabels:
      app: addon-http-application-routing-external-dns
  strategy:
    type: Recreate
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: addon-http-application-routing-external-dns
    spec:
      containers:
      - args:
        - --source=service
        - --source=ingress
        - --provider=azure
        - --azure-resource-group=MC_devopspreview82d8_devops-preview_eastus
        - --domain-filter=d8af9473-84bd-4b9d-9a01-c912bdc437f7.eastus.aksapp.io
        - --annotation-filter=kubernetes.io/ingress.class=addon-http-application-routing
        image: zalan.azureedge.net/teapot/external-dns:v0.4.8
        imagePullPolicy: Always
        name: addon-http-application-routing-external-dns
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
        volumeMounts:
        - mountPath: /etc/kubernetes/azure.json
          name: azure-config-file
          readOnly: true
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      serviceAccount: addon-http-application-routing-external-dns
      serviceAccountName: addon-http-application-routing-external-dns
      terminationGracePeriodSeconds: 30
      volumes:
      - hostPath:
          path: /etc/kubernetes/azure.json
          type: ""
        name: azure-config-file
status: {}

ingress-controller.yaml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  annotations:
    deployment.kubernetes.io/revision: "1"
    kubectl.kubernetes.io/last-applied-configuration: |
      {"apiVersion":"extensions/v1beta1","kind":"Deployment","metadata":{"annotations":{},"labels":{"addonmanager.kubernetes.io/mode":"Reconcile","app":"addon-http-application-routing-ingress-nginx","kubernetes.io/cluster-service":"true"},"name":"addon-http-application-routing-nginx-ingress-controller","namespace":"kube-system"},"spec":{"replicas":1,"selector":{"matchLabels":{"app":"addon-http-application-routing-nginx-ingress"}},"template":{"metadata":{"labels":{"app":"addon-http-application-routing-nginx-ingress"}},"spec":{"containers":[{"args":["/nginx-ingress-controller","--ingress-class=addon-http-application-routing","--default-backend-service=$(POD_NAMESPACE)/addon-http-application-routing-default-http-backend","--configmap=$(POD_NAMESPACE)/addon-http-application-routing-nginx-configuration","--tcp-services-configmap=$(POD_NAMESPACE)/addon-http-application-routing-tcp-services","--udp-services-configmap=$(POD_NAMESPACE)/addon-http-application-routing-udp-services","--annotations-prefix=nginx.ingress.kubernetes.io","--publish-service=$(POD_NAMESPACE)/addon-http-application-routing-nginx-ingress"],"env":[{"name":"POD_NAME","valueFrom":{"fieldRef":{"fieldPath":"metadata.name"}}},{"name":"POD_NAMESPACE","valueFrom":{"fieldRef":{"fieldPath":"metadata.namespace"}}}],"image":"quayio.azureedge.net/kubernetes-ingress-controller/nginx-ingress-controller:0.13.0","imagePullPolicy":"Always","livenessProbe":{"failureThreshold":3,"httpGet":{"path":"/healthz","port":10254,"scheme":"HTTP"},"initialDelaySeconds":10,"periodSeconds":10,"successThreshold":1,"timeoutSeconds":1},"name":"addon-http-application-routing-nginx-ingress-controller","ports":[{"containerPort":80,"name":"http"},{"containerPort":443,"name":"https"}],"readinessProbe":{"failureThreshold":3,"httpGet":{"path":"/healthz","port":10254,"scheme":"HTTP"},"periodSeconds":10,"successThreshold":1,"timeoutSeconds":1}}],"serviceAccountName":"addon-http-application-routing-nginx-ingress-serviceaccount"}}}}
  creationTimestamp: null
  generation: 1
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
    app: addon-http-application-routing-ingress-nginx
    kubernetes.io/cluster-service: "true"
  name: addon-http-application-routing-nginx-ingress-controller
  selfLink: /apis/extensions/v1beta1/namespaces/kube-system/deployments/addon-http-application-routing-nginx-ingress-controller
spec:
  replicas: 1
  selector:
    matchLabels:
      app: addon-http-application-routing-nginx-ingress
  strategy:
    rollingUpdate:
      maxSurge: 1
      maxUnavailable: 1
    type: RollingUpdate
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: addon-http-application-routing-nginx-ingress
    spec:
      containers:
      - args:
        - /nginx-ingress-controller
        - --ingress-class=addon-http-application-routing
        - --default-backend-service=$(POD_NAMESPACE)/addon-http-application-routing-default-http-backend
        - --configmap=$(POD_NAMESPACE)/addon-http-application-routing-nginx-configuration
        - --tcp-services-configmap=$(POD_NAMESPACE)/addon-http-application-routing-tcp-services
        - --udp-services-configmap=$(POD_NAMESPACE)/addon-http-application-routing-udp-services
        - --annotations-prefix=nginx.ingress.kubernetes.io
        - --publish-service=$(POD_NAMESPACE)/addon-http-application-routing-nginx-ingress
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.namespace
        image: quayio.azureedge.net/kubernetes-ingress-controller/nginx-ingress-controller:0.13.0
        imagePullPolicy: Always
        livenessProbe:
          failureThreshold: 3
          httpGet:
            path: /healthz
            port: 10254
            scheme: HTTP
          initialDelaySeconds: 10
          periodSeconds: 10
          successThreshold: 1
          timeoutSeconds: 1
        name: addon-http-application-routing-nginx-ingress-controller
        ports:
        - containerPort: 80
          name: http
          protocol: TCP
        - containerPort: 443
          name: https
          protocol: TCP
        readinessProbe:
          failureThreshold: 3
          httpGet:
            path: /healthz
            port: 10254
            scheme: HTTP
          periodSeconds: 10
          successThreshold: 1
          timeoutSeconds: 1
        resources: {}
        terminationMessagePath: /dev/termination-log
        terminationMessagePolicy: File
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      schedulerName: default-scheduler
      securityContext: {}
      serviceAccount: addon-http-application-routing-nginx-ingress-serviceaccount
      serviceAccountName: addon-http-application-routing-nginx-ingress-serviceaccount
      terminationGracePeriodSeconds: 30
status: {}

ingress-svc.yaml

apiVersion: v1
kind: Service
metadata:
  annotations:
    kubectl.kubernetes.io/last-applied-configuration: |
      {"apiVersion":"v1","kind":"Service","metadata":{"annotations":{},"labels":{"addonmanager.kubernetes.io/mode":"Reconcile","app":"addon-http-application-routing-default-http-backend","kubernetes.io/cluster-service":"true"},"name":"addon-http-application-routing-default-http-backend","namespace":"kube-system"},"spec":{"ports":[{"port":80,"targetPort":8080}],"selector":{"app":"addon-http-application-routing-default-http-backend"}}}
  creationTimestamp: null
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
    app: addon-http-application-routing-default-http-backend
    kubernetes.io/cluster-service: "true"
  name: addon-http-application-routing-default-http-backend
  selfLink: /api/v1/namespaces/kube-system/services/addon-http-application-routing-default-http-backend
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 8080
  selector:
    app: addon-http-application-routing-default-http-backend
  sessionAffinity: None
  type: ClusterIP
status:
  loadBalancer: {}

LICENSE

MIT License

Copyright (c) 2018 Noel Bundick

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.