AWS EKS:服务(LoadBalancer)正在运行,但未响应请求

时间:2019-02-27 12:52:30

标签: amazon-web-services kubernetes amazon-eks kubernetes-service

我正在使用AWS EKS。 我已经在kubernetes集群中的gunicorn的帮助下启动了django应用程序。

---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: api
  labels:
    app: api
    type: web
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: api
        type: web
    spec:
      containers:
      - name: vogofleet
        image: xx.xx.com/api:image2
        imagePullPolicy: Always
        env:
        - name: DATABASE_HOST
          value: "test-db-2.xx.xx.xx.xx.com"
        - name: DATABASE_PASSWORD
          value: "xxxyyyxxx"
        - name: DATABASE_USER
          value: "admin"
        - name: DATABASE_PORT
          value: "5432"
        - name: DATABASE_NAME
          value: "test"
        ports:
        - containerPort: 9000

我已经应用了这些更改,并且可以看到我的pod在kubectl get pods中运行

现在,我正在尝试通过服务对象公开它。这是我的服务对象,

# service
---
apiVersion: v1
kind: Service
metadata:
  name: api
  labels:
    app: api
spec:
  ports:
    - port: 9000
      protocol: TCP
      targetPort: 9000
  selector:
    app: api
    type: web
  type: LoadBalancer

该服务也已启动并正在运行。它给了我访问服务的外部IP,这是负载均衡器的地址。我可以看到它已经在AWS控制台中启动了一个新的负载均衡器。但是我无法从浏览器访问它。它说该地址未返回任何数据。 ELB将实例的运行状况检查显示为OutOfService。

集群中还运行着其他Pod。当我在这些吊舱中运行printenv时,结果如下,

root@consumer-9444cf7cd-4dr5z:/consumer# printenv | grep API
API_PORT_9000_TCP_ADDR=172.20.140.213
API_SERVICE_HOST=172.20.140.213
API_PORT_9000_TCP_PORT=9000
API_PORT=tcp://172.20.140.213:9000
API_PORT_9000_TCP=tcp://172.20.140.213:9000
API_PORT_9000_TCP_PROTO=tcp
API_SERVICE_PORT=9000

我试图检查与我的api容器的连接,

root@consumer-9444cf7cd-4dr5z:/consumer# telnet $API_PORT_9000_TCP_ADDR $API_PORT_9000_TCP_PORT
Trying 172.20.140.213...
telnet: Unable to connect to remote host: Connection refused

但是,当我将端口转发到本地主机时,可以在本地主机上访问它,

$ kubectl port-forward api-6d94dcb65d-br6px 9000

并检查连接,

$ nc -vz localhost 9000
found 0 associations
found 1 connections:
     1: flags=82<CONNECTED,PREFERRED>
  outif lo0
  src ::1 port 53299
  dst ::1 port 9000
  rank info not available
  TCP aux info available

Connection to localhost port 9000 [tcp/cslistener] succeeded!

为什么我不能从其他容器和公共互联网访问它?而且,安全组是正确的

1 个答案:

答案 0 :(得分:-1)

我有同样的问题。这是kubectl describe service命令的o / p。

kubectl describe services nginx-elb Name: nginx-elb Namespace: default Labels: deploy=slido Annotations: service.beta.kubernetes.io/aws-load-balancer-internal: true Selector: deploy=slido Type: LoadBalancer IP: 10.100.29.66 LoadBalancer Ingress: internal-a2d259057e6f94965bfc1f08cf86d4ce-884461987.us-west-2.elb.amazonaws.com Port: http 80/TCP TargetPort: 3000/TCP NodePort: http 32582/TCP Endpoints: 192.168.60.119:3000 Session Affinity: None External Traffic Policy: Cluster Events: Type Reason Age From Message ---- ------ ---- ---- ------- Normal EnsuringLoadBalancer 119s service-controller Ensuring load balancer Normal EnsuredLoadBalancer 117s service-controller Ensured load balancer