Simple STAN + FT setup on AKS

stan-simple-ft.yaml

---
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: stan-ssd-ft
  annotations:
    volume.beta.kubernetes.io/storage-class: "azurefile"
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 100Mi
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: stan-config
  labels:
    app: stan
data:
  stan.conf: |-
    #########################
    # NATS Streaming Config #
    #########################
    streaming {
      id: stan

      ###############################
      #  Store Config               #
      ###############################
      store: "file"
      dir: /data/stan/store
      ft_group_name: my-group
    }

    ###############
    #             #
    # Monitoring  #
    #             #
    ###############
    http: 8222
    server_name: $POD_NAME
    
    write_deadline: 10s

    ###################################
    #                                 #
    # NATS Full Mesh Clustering Setup #
    #                                 #
    ###################################
    cluster {
      port: 6222
    
      routes = [
        nats://stan-0.stan.default.svc:6222,nats://stan-1.stan.default.svc:6222,
      ]
      cluster_advertise: $CLUSTER_ADVERTISE
    
      connect_retries: 30
    }
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: stan
  name: stan
  namespace: default
spec:
  clusterIP: None
  ports:
  - name: client
    port: 4222
    protocol: TCP
    targetPort: 4222
  - name: monitor
    port: 8222
    protocol: TCP
    targetPort: 8222
  selector:
    app: stan
  sessionAffinity: None
  type: ClusterIP
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  labels:
    app: stan
  name: stan
  namespace: default
spec:
  replicas: 2
  selector:
    matchLabels:
      app: stan
  serviceName: stan
  template:
    metadata:
      labels:
        app: stan
    spec:
      containers:
      - args:
        - -sc
        - /etc/stan-config/stan.conf
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.namespace
        - name: CLUSTER_ADVERTISE
          value: $(POD_NAME).stan.$(POD_NAMESPACE).svc
        - name: STAN_SERVICE_NAME
          value: stan
        image: nats-streaming:alpine
        imagePullPolicy: IfNotPresent
        name: stan
        ports:
        - containerPort: 8222
          name: monitor
          protocol: TCP
        - containerPort: 4222
          name: client
          protocol: TCP
        volumeMounts:
        - mountPath: /etc/stan-config
          name: config-volume
        - mountPath: /data/stan
          name: stan-pvc
      volumes:
      - configMap:
          name: stan-config
        name: config-volume
      - name: stan-pvc
        persistentVolumeClaim:
          claimName: stan-ssd-ft