PRP: Apche livy exposed ui

[joernNNN]

#681
google/security-testbeds#154

[robert-doyensec]

Hi @joernNNN , just a reminder that this is waiting for the testbed ( google/security-testbeds#154 (comment) ).

[robert-doyensec]

Hi @joernNNN , the plugin looks generally good, but I think we should use the /batches API endpoint for less false negatives, for example if the server doesn't have wget or python installed.
Could you please update it to perform a test like

curl -X POST http://livy-server:8998/batches \
  -H "Content-Type: application/json" \
  -d '{
        "file": "{{ T_CBS_URI }}"
      }'

Sorry for the inconvenience, and let me know if you see any issues with this approach.

[robert-doyensec]

Just one small change to disable debugging