Add support for corosync v3 on RedHat/CentOS 8

[jake2184]

Pull Request (PR) description

Update the command used to check config file for corosync v3+

This Pull Request (PR) fixes the following issues

RedHat/CentOS 8 support

[bastelfreak]

Sadly the tests are a bit flaky in this module :(

[vox-pupuli-tasks[bot]]

Dear @jake2184, thanks for the PR!

This is Vox Pupuli Tasks, your friendly Vox Pupuli Github Bot. I noticed that your pull request has CI failures. Can you please have a look at the failing CI jobs? If you need any help, you can reach out to us on our IRC channel voxpupuli on Freenode or our Slack channel voxpupuli at slack.puppet.com. You can find my sourcecode at voxpupuli/vox-pupuli-tasks

[damluk]

Debian 10 has the same problem with validate_cmd.

[kajinamit]

Hello,

Is there any plan to resume this work ?

[vox-pupuli-tasks[bot]]

Dear @jake2184, thanks for the PR!

This is Vox Pupuli Tasks, your friendly Vox Pupuli GitHub Bot. I noticed that your pull request contains merge conflict. Can you please rebase?

You can find my sourcecode at voxpupuli/vox-pupuli-tasks