diff --git a/defaults/main.yml b/defaults/main.yml
index f433645..838c4f8 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -119,3 +119,24 @@ systemd_networks: []
 #   Cache: yes
 
 systemd_resolved: {}
+
+# Enable or Disable the availability of systemd-resolved. This option is a
+# Boolean variable.
+
+systemd_resolved_available: "{{ _systemd_resolved_available | default(true) }}"
+
+# Specify the command used to update the initramfs. By default this will run
+# "/bin/true" which is done because the command required to run should never
+# be assumed. Distro specific config is available in vars otherwise deployers
+# can set this as needed.
+
+systemd_networkd_update_initramfs: "{{ _systemd_networkd_update_initramfs | default('true') }}"
+
+# Provide a list of packages that are to be installed before this role is
+# executed.
+
+# _systemd_networkd_distro_packages:
+#  - systemd-networkd
+#  - systemd-resolved
+
+systemd_networkd_distro_packages: "{{ _systemd_networkd_distro_packages | default([]) }}"
diff --git a/vars/main.yml b/vars/main.yml
index b8f0239..f78a119 100644
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -15,6 +15,3 @@
 
 ## APT Cache options
 cache_timeout: 600
-
-# Supporting package required to make systemd-networkd function
-systemd_networkd_distro_packages: []
diff --git a/vars/redhat-7.yml b/vars/redhat-7.yml
index 8aa24c6..99fa449 100644
--- a/vars/redhat-7.yml
+++ b/vars/redhat-7.yml
@@ -13,10 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-systemd_networkd_distro_packages:
+_systemd_networkd_distro_packages:
   - systemd-networkd
   - systemd-resolved
 
-systemd_resolved_available: true
+_systemd_resolved_available: true
 
-systemd_networkd_update_initramfs: "dracut -f"
+_systemd_networkd_update_initramfs: "dracut -f"
diff --git a/vars/suse-42.yml b/vars/suse-42.yml
index c449654..279be76 100644
--- a/vars/suse-42.yml
+++ b/vars/suse-42.yml
@@ -13,6 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-systemd_resolved_available: false
+_systemd_resolved_available: false
 
-systemd_networkd_update_initramfs: "dracut -f"
+_systemd_networkd_update_initramfs: "dracut -f"
diff --git a/vars/ubuntu.yml b/vars/ubuntu.yml
index 653cb4e..3df92b0 100644
--- a/vars/ubuntu.yml
+++ b/vars/ubuntu.yml
@@ -13,6 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-systemd_resolved_available: true
+_systemd_resolved_available: true
 
-systemd_networkd_update_initramfs: "/usr/sbin/update-initramfs -u"
+_systemd_networkd_update_initramfs: "/usr/sbin/update-initramfs -u"