[EPIC] Agent management improvements

[zyronix]

In #759 there was a request to be able to manage agents through Hashtopolis. Use this issue to mark your interests in the problem.

Managing agents means for example:

• [ ] Issue wake on lan command
• [ ] Shutdown the agent
• [ ] #218
• [ ] #768
• [ ] #957

[robinduerhager]

A few implementation ideas i'd have:

Wake on Lan

The HT Client could send the hosts MAC-Address to the HT Server which stores it as another field in the Agents table. The HT Server could then use a binary like wakeonlan to wake up the PC which was clicked on in the UI, using the MAC-Address from the Agents table.

I think this could then be extended later with the functionality of automatically waking up Clients which are needed for a Task and shutting them down after a specific Idle time.

Shutdown

Since there is no sort of Shutdown on Lan, i would suggest to provide the Python Client with the ability to shutdown the Host. Since the Python Client polls the Server for new Tasks, it could get a Shutdown Task and then initialize the shutdown of the Host. I guess the Python Client then needs Sudo rights?

What do you think?