PTF K8S module tests failing as ‘show kubernetes server status’ returning “Kubernetes server has no status info”

[kbabujp]

Description: ‘show kubernetes server status’ command used in K8S module PTF test to check the status is failing.
It returns “Kubernetes server has no status info”
Below message seen in syslog while executing the show command
Aug 22 00:12:43.735833 sonic WARNING show: :- operator(): Key '{KUBERNETES_MASTER|SERVER}' unavailable in database '{STATE_DB}'

Steps to reproduce – run K8S module PTF tests and all fails
Manual verification:
Create Kubernetes HA topology as given in https://github.com/sonic-net/sonic-mgmt/blob/master/docs/testbed/README.testbed.k8s.Setup.md
Run below steps,
root@sonic:# config kubernetes server disable on
root@sonic:# config kubernetes server ip
root@sonic:# config kubernetes server disable off
root@sonic:# show kubernetes server config
ip port insecure disable

---

10.112.157.37 6443 False False
root@sonic:# show kubernetes server status
Kubernetes server has no status info
root@sonic:#

In syslog - Aug 16 23:22:56.666204 sonic WARNING show: :- operator(): Key '{KUBERNETES_MASTER|SERVER}' unavailable in database '{STATE_DB}'

Snippet of PTF test run log:
=========================== short test summary info ============================
FAILED k8s/test_config_reload.py::test_config_reload_no_toggle - Failed: DUT ...
FAILED k8s/test_config_reload.py::test_config_reload_toggle_join - Failed: Un...
FAILED k8s/test_config_reload.py::test_config_reload_toggle_reset - Failed: D...
FAILED k8s/test_disable_flag.py::test_disable_flag - Failed: DUT failed to su...
FAILED k8s/test_join_available_master.py::test_join_available_master - Failed...
========================== 5 failed in 776.00 seconds ==========================

  pytest_assert(server_connect_exp_status == server_connect_act_status, "DUT shows unexpected kubernetes server connected status, Expected server connected status: {}, Found server connected status: {}".format(server_connect_exp_status, server_connect_act_status))

E Failed: DUT shows unexpected kubernetes server connected status, Expected server connected status: False, Found server connected status: None

Show version info is given below.

SONiC Software Version: SONiC.202111.Innovium.3.0.0.20220816.015358
Distribution: Debian 11.4
Kernel: 5.10.0-8-2-amd64
Marvell SAI version: T2.0.1
Build commit: 003c8dfde

Expected - ‘show kubernetes server status’ should return correct status

[yxieca]

@zhangyanzhao who is feature owner of Kubernetes? Can you help ping the feature owner to triage this issue? This might be an image issue?

[Doxakis1]

Greetings friend,

Might be worth looking into #16617 (It is a different problem but...)

There appears to be some discussion about k8s availability in public branches.

Are you running on a public branch build?