Add kernel-modules-extra to support full iptables

This is required on the control host for iptables conntrack support and
on overcloud hosts for loading the ip6_tables module.

Author: priteau

README.rst

@@ -226,6 +226,7 @@ Configure and deploy OpenStack to the control plane
 
    kayobe overcloud host configure
    kayobe overcloud host package update --packages '*'
+   kayobe overcloud host command run --become --command "dnf install -y kernel-modules-extra"
    kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/reboot.yml
    kayobe overcloud container image pull
    kayobe overcloud service deploy

a-universe-from-nothing.sh

@@ -78,6 +78,7 @@ kayobe overcloud introspection data save
 kayobe overcloud provision
 kayobe overcloud host configure
 kayobe overcloud host package update --packages '*'
+kayobe overcloud host command run --become --command "dnf install -y kernel-modules-extra"
 kayobe playbook run $KAYOBE_CONFIG_PATH/ansible/reboot.yml
 kayobe overcloud container image pull
 kayobe overcloud service deploy

configure-local-networking.sh

@@ -28,7 +28,7 @@ public_ip="10.0.2.1"
 
 # Install iptables.
 if $(which dnf >/dev/null 2>&1); then
-    sudo dnf -y install iptables
+    sudo dnf -y install iptables kernel-modules-extra
 fi
 
 if $(which apt >/dev/null 2>&1); then