Run docker jobs in kubernetes with python

Modify the test.py and requirements.txt

1. test.py will be executed in the kubernetes cluster.
2. create the environment to test the test.py

python3 -m venv myenv/py3kub_exec
source myenv/py3kub_exec/bin/activate
pip install requirements.txt
python test.py

Build the image

1. Modify hub_namepace and image_name upon needs, need to have docker hub access, if need to push the image.

make build

2. Modify the image in the test.yaml if the namespace and image_name were changed.

Exec the jobs in kubernetes

make runjob