Allow interfaces to be marked as explicitly disabled

Signed-off-by: Patrick Uiterwijk <puiterwijk@redhat.com>

inventory/group_vars/all

@@ -60,6 +60,8 @@ br0_nm: 255.255.255.0
 br1_nm: 255.255.255.0
 # Default to managing the network, we want to not do this on select hosts (like cloud nodes)
 ansible_ifcfg_blacklist: false
+# List of interfaces to explicitly disable
+ansible_ifcfg_disabled: []
 #
 # The default virt-install works for rhel7 or fedora with 1 nic
 #

roles/base/templates/ifcfg.j2

@@ -13,8 +13,12 @@ DNS1="{{ dns1 }}"
 DNS2="{{ dns2 }}"
 {% endif %}
 HWADDR="{{ hostvars[inventory_hostname]['ansible_' + item]['macaddress']|upper }}"
+{% if item in ansible_ifcfg_disabled %}
+ONBOOT="no"
+{% else %}
 IPADDR="{{ hostvars[inventory_hostname][item + '_ip'] }}"
 NETMASK="{{ hostvars[inventory_hostname][item + '_nm'] }}"
+{% endif %}
 ONBOOT="yes"
 TYPE="Ethernet"
 DEVICE="{{item}}"