Note, we don't want to use this everywhere, only on machines that have
no data actually stored on them (these use the nfs koji mount) and can
easily be reinstalled it anything becomes messed up.
Signed-off-by: Kevin Fenzi <kevin@scrye.com>
In ansible 2.8 the - character isn't supposed to be valid in group names.
While we could override this, might has well just bite the bullet and change it.
So, just switch all group names to use _ instead of -
Signed-off-by: Kevin Fenzi <kevin@scrye.com>