Merge "Support configuration of firewalld"

ansible/firewall.yml

ansible/group_vars/all/compute

ansible/group_vars/all/controllers

ansible/group_vars/all/monitoring

ansible/group_vars/all/seed

ansible/group_vars/all/seed-hypervisor

ansible/group_vars/all/storage

ansible/group_vars/compute/firewall

ansible/group_vars/controllers/firewall

ansible/group_vars/monitoring/firewall

ansible/group_vars/seed-hypervisor/firewall

ansible/group_vars/seed/firewall

ansible/group_vars/storage/firewall

ansible/roles/firewall-redhat/defaults/main.yml

ansible/roles/firewall-redhat/handlers/main.yml

ansible/roles/firewall-redhat/tasks/disabled.yml

ansible/roles/firewall-redhat/tasks/enabled.yml

ansible/roles/firewall-redhat/tasks/main.yml

ansible/roles/kolla-ansible/templates/globals.yml.j2

doc/source/configuration/reference/hosts.rst