How come my kubernetes' service can't find an endpoint?

Question

I am running a kubernetes cluster on coreos.

I have a kubernetes replication controller that works fine. It looks like this:

id: "redis-controller"
kind: "ReplicationController"
apiVersion: "v1beta3"
metadata:
  name: "rediscontroller"
  lables:
    name: "rediscontroller"
spec:
  replicas: 1
  selector:
    name: "rediscontroller"
  template:
    metadata:
      labels:
        name: "rediscontroller"
    spec:
      containers:
        - name: "rediscontroller"
          image: "redis:3.0.2"
          ports:
            - name: "redisport"
              hostPort: 6379
              containerPort:  6379
              protocol: "TCP"

But I have a service for said replication controller's pods that looks like this:

id: "redis-service"
kind: "Service"
apiVersion: "v1beta3"
metadata:
  name: "redisservice"
spec:
  ports:
    - protocol: "TCP"
      port: 6379
      targetPort: 6379
  selector:
    name: "redissrv"
  createExternalLoadBalancer: true
  sessionAffinity: "ClientIP"

the journal for kube-proxy has this to say about the service:

Jul 06 21:18:31 core-01 kube-proxy[6896]: E0706 21:18:31.477535    6896 proxysocket.go:126] Failed to connect to balancer: failed to connect to an endpoint.
Jul 06 21:18:41 core-01 kube-proxy[6896]: E0706 21:18:41.353425    6896 proxysocket.go:81] Couldn't find an endpoint for default/redisservice:: missing service entry

From what I understand, I do have the service pointing at the right pod and right ports, but am I wrong?

UPDATE 1

I noticed another possible issue, after fixing the things mentioned by Alex, I noticed in other services, where it is using websockets, the service can't find an endpoint. Does this mean the service needs a http endpoint to poll?

Answer 1

Extra thing to check for.

Endpoints are only created if your deployment is considered healthy. If you have defined your readinessProbe incorrectly (mea culpa) or the deployment does not react to it correctly, an endpoint will not be created.