[sdk] SDK client cannot connect to Kubeflow on GCP deployment from a Notebook environment.

[chensun]

Environment

• KFP version:
  2.0.1 (from Kubeflow 1.8.0-rc.1)

• KFP SDK version:
  2.3.0 (would affect any earlier 2.* versions at well)

• All dependencies version:
  N/A

Steps to reproduce

In a Notebook environment, the client initialization would stuck waiting for authentication, but there's no input box for user to paste the authentication URL.

Expected result

Expect to see an input box, so users can paste a authentication link.
Per @gkcalat 's investigation, the workaround could be setting one of the following ENV variable to mimic a SSH connection.

pipelines/sdk/python/kfp/client/auth.py

Line 264 in 2131dfa

if ('SSH_CONNECTION' in os.environ) or ('SSH_CLIENT' in os.environ):

After that, the input box would appear, and users can authenticate correctly.

Materials and Reference

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[chensun]

Verified via a test build, the fix works.