Kubernetes SkyRing

nats.conf

listen: 0.0.0.0:4222
http: 0.0.0.0:8222


# Cluster definition
cluster {
    listen: 0.0.0.0:6222

    # Routes are actively solicited and connected to from this server.
    # Other servers can connect to us if they supply the correct credentials
    # in their routes definitions from above.
    routes = [
        nats://nats:6222
    ]
}

# logging options
debug:   false
trace:   true
logtime: true

# Some system overides

# max_connections
max_connections: 100

# maximum protocol control line
max_control_line: 512

# maximum payload
max_payload: 65536

# Duration the server can block on a socket write to a client.  Exceeding the
# deadline will designate a client as a slow consumer.
write_deadline: "2s"

nats.yml

apiVersion: v1
kind: Service
metadata:
  name: nats
  labels:
    component: nats
spec:
  selector:
    component: nats
  clusterIP: None
  ports:
  - name: client
    port: 4222
  - name: cluster
    port: 6222
  - name: monitor
    port: 8222
---
apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
  name: nats
  labels:
    component: nats
spec:
  serviceName: nats
  replicas: 3
  template:
    metadata:
      labels:
        component: nats
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
                - key: component
                  operator: In
                  values:
                    - nats
            topologyKey: kubernetes.io/hostname
      containers:
      - name: nats
        image: nats:1.0.4
        args: [ "--config", "/etc/nats/config/nats.conf"]
        volumeMounts:
          - name: config-volume
            mountPath: /etc/nats/config
        ports:
        - containerPort: 4222
          name: client
        - containerPort: 6222
          name: cluster
        - containerPort: 8222
          name: monitor
        livenessProbe:
          httpGet:
            path: /
            port: 8222
          initialDelaySeconds: 10
          timeoutSeconds: 5
      volumes:
      - name: config-volume
        configMap:
          name: nats-config

SkyRing.yml

apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: skyring
spec:
  replicas: 3
  template:
    metadata:
      labels:
        app: skyring
    spec:
      hostname: skyring
      containers:
        - name: skyring
          image: 'quay.io/esatterwhite/skyring:5-latest'
          ports:
            - containerPort: 3455
            - containerPort: 3000
          env:
          - name: nats__hosts
            value: nats:4222
          - name: seeds
            value: skyring-service:3455
          - name: DEBUG
            value: '*'
          - name: storage__backend
            value: leveldown
          - name: storage__path
            value: /var/data/skyring
          - name: channel__host
            value: skyring

---
apiVersion: v1
kind: Service
metadata:
  name: skyring-service
  labels:
    name: skyring-service
spec:
  ports:
    - port: 80
      targetPort: 3000
      protocol: TCP
      name: client
  selector:
    app: skyring
  type: LoadBalancer