connection to :80 refused in test_clusterip_service_endpoint

[Marian Gasparovic]

During test_clusterip_service_endpoint there is a refused connection and assertion fails

Traceback (most recent call last):
  File "/home/ubuntu/k8s-validation/jobs/integration/test_service_endpoints.py", line 122, in test_clusterip_service_endpoint
    assert "Hello Kubernetes!" in action.results.get("Stdout", "")
AssertionError: assert 'Hello Kubernetes!' in ''
 + where '' = <built-in method get of dict object at 0x7f46b69ea8c0>('Stdout', '')
 + where <built-in method get of dict object at 0x7f46b69ea8c0> = {'Code': '7', 'Stderr': '* Trying 10.152.183.69:80...\n* TCP_NODELAY set\n % Total % Received % Xferd Average S...-- --:--:-- 0\n* Closing connection 0\ncurl: (7) Failed to connect to 10.152.183.69 port 80: Connection refused\n'}.get
 + where {'Code': '7', 'Stderr': '* Trying 10.152.183.69:80...\n* TCP_NODELAY set\n % Total % Received % Xferd Average S...-- --:--:-- 0\n* Closing connection 0\ncurl: (7) Failed to connect to 10.152.183.69 port 80: Connection refused\n'} = <Action entity_id="16">.results

This is on AWS, we have other passing runs with the same configuration

crashdump
https://oil-jenkins.canonical.com/artifacts/036ab621-c76b-4684-b3e7-af6a6c9aa751/generated/generated/kubernetes/juju-crashdump-kubernetes-2021-11-29-13.19.12.tar.gz

configs and artifacts

https://oil-jenkins.canonical.com/artifacts/036ab621-c76b-4684-b3e7-af6a6c9aa751/index.html

[Moises Emilio Benzan Mora (moisesbenzan)]

Seen again here: https://solutions.qa.canonical.com/testruns/testRun/70db3657-e974-4a78-9e1d-45af714f19cb