SDK - Python support for arbitrary secret, similar to ".use_gcp_secret('user-gcp-sa')"

[NikeNano]

Hi,

This PR is related to how to add secrets to Kubeflow containers operations in the python SDK. There are functionality for adding the GCP secrets but often other secrets needs to be added as well.

I believe this would be useful for others and therefore made this PR :)

Happy for feedback!

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This change is 

[k8s-ci-robot]

Hi @NikeNano. Thanks for your PR.

I'm waiting for a kubeflow member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[numerology]

Thanks @NikeNano !
/ok-to-test

[numerology]

/lgtm
Thanks @NikeNano

[Ark-kun]

/lgtm

[Ark-kun]

Last request:
Can you please move sdk/python/kfp/utils.py to sdk/python/kfp/dsl/extensions/kubernetes.py
We'll probably move other extensions there at some point (gcp, aws, azure, onprem).

[NikeNano]

Last request:
Can you please move sdk/python/kfp/utils.py to sdk/python/kfp/dsl/extensions/kubernetes.py
We'll probably move other extensions there at some point (gcp, aws, azure, onprem).

Sure will do! Happy to later make a new PR and move the other files as well if "at some point" is not in the distant future :)

[NikeNano]

/retest

[NikeNano]

Import error, fixing it :). Will update when i have fixed it.

[NikeNano]

Import error, fixing it :). Will update when i have fixed it.

Believe it should be fixed now. Had to also update the build file. I will check the tests later.

[Ark-kun]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Ark-kun

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