allow changing of config file from default for the KubernetesResourceBaseOperator

[chapm250]

Currently the KubernetesResourceBaseOperator doesn't allow changing from the default K8s config_file location (unlike the KubernetesPodOperator), this change allows changing the config_file location so airflow deployments with a non-default K8s config_file path can use the subclasses of the KubernetesResourceBaseOperator

[boring-cyborg]

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[hussein-awala]

The failed tests look unrelated to this change, let me check.

[hussein-awala]

I close an reopen it to execute all the tests

[amoghrajesh]

Dont you think we should have a None check before using the config_file here? If not passed, it will go as None to the hook.

Also can you add some test coverage for this?

[chapm250]

if it's null the kubernetes library fills in the default, the KubernetesPodOperator works the same way

https://github.com/apache/airflow/blob/main/airflow/providers/cncf/kubernetes/operators/pod.py#L301
https://github.com/apache/airflow/blob/main/airflow/providers/cncf/kubernetes/operators/pod.py#L518

[chapm250]

I updated the existing tests for the modified operators in the last commit

[eladkal]

tests are failing
@chapm250 can you look into it?

[amoghrajesh]

@chapm250 changes look good, you need to rebase and find out why tests are failing