Every kubeflow image should be scanned for security vulnerabilities.
It would be great to have a periodic security report.
Each of these images with vulnerability should be patched and updated.

I have uploaded the metrics_visualization pipeline in the Kubeflow Console and when I invoke a run I am able to see the visualizations yet they are not seen in the run output

![image](https://user-images.githubusercontent.com/59866888/153585857-cda2921e-48b9-4528-b568-e8866fffb993.

/kind feature

Describe the solution you'd like
[A clear and concise description of what you want to happen.]
Add a sample of MMS using a custom model server similar to sklearn and triton that will reside [in

Is your feature request related to a problem? Please describe.
The elyra-pipeline CLI displays a documentation link when help is invoked, e.g.

$ elyra-pipeline --help
Usage: elyra-pipeline [OPTIONS] COMMAND [ARGS]...

  Run Elyra pipelines in your local environment or submit them to an external
  service, such as Kubeflow Pipelines or Apache Airflow.

  Find more information at:

Summary

What change needs making?
Example script on how to use created secret successfully.
I have tried myself using the following code from test
It creates a secret successfully but fails to echo the secrets value.

Use Cases

When would you use this?
when I n

arena should support clean-task-policy "All" when training via tfjobs.
currently, only supports "Running"(clean RUNNING pod) or None(do nothing).
when job is done, often we need to remove ps, chief, evaluator and worker.