This PR will make the docker-machine driver automatically add/remove a firewall rule to the given firewall if specified. This will allow clusters to speak to each other if a Vultr firewall is used.
Checklist:
[x] Have you checked to ensure there aren't other open Pull Requests for the same update/change?
[x] Have you linted your code locally prior to submission?
[x] Have you successfully ran tests with your changes locally?
This PR will make the docker-machine driver automatically add/remove a firewall rule to the given firewall if specified. This will allow clusters to speak to each other if a Vultr firewall is used.
Checklist: