windhamwong opened a new issue #3542:
URL: https://github.com/apache/incubator-heron/issues/3542
Kubernetes version: 1.18.2+k3s1
I am trying out to deploy `heron-api-examples.jar` as suggested in the doc.
After some troubleshooting (not just some but a lot) and found that the created
pods (`acking-0`, `acking-1`, `acking-2`) require to connect together. The
`acking-0` is responsible for launching servers for stream manager (6001/TCP),
tmaster controller (6002/TCP) and tmaster state (6003/TCP). As k8s requires
`Service` to expose ports to allow external or other containers to connect, we
need additional code in Heron k8s source to generate these services as well.
The following k8s yaml code has been tested and working for me.
I will keep on testing out as the topology is still not working as the demo
expectation. I will come back to add more after.
```
apiVersion: v1
kind: Service
metadata:
name: acking-0
spec:
selector:
statefulset.kubernetes.io/pod-name: acking-0
ports:
- name: stream-manager
protocol: TCP
port: 6001
targetPort: 6001
- name: tmaster-controller
protocol: TCP
port: 6002
targetPort: 6002
- name: tmaster-state
protocol: TCP
port: 6003
targetPort: 6003
- name: heron-shell
protocol: TCP
port: 6004
targetPort: 6004
```
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