[CORD-2943] Possible fix to issue with inventory vars not being applied in kubespray

Change-Id: Iedce00cf4c421cab8e04ff0d39cdb08bb4b1450b
diff --git a/ansible/roles/prep-kubespray/templates/kubespray_inventory.j2 b/ansible/roles/prep-kubespray/templates/kubespray_inventory.j2
index d0f1724..deb9a04 100644
--- a/ansible/roles/prep-kubespray/templates/kubespray_inventory.j2
+++ b/ansible/roles/prep-kubespray/templates/kubespray_inventory.j2
@@ -12,7 +12,7 @@
 {{ node }} ip='{{ management_net_cidr | ipaddr(npi.ipv4_last_octet) |  ipaddr("address")  }}'
 {% endfor %}
 
-[cord-headnodes:vars]
+[all:vars]
 supplementary_addresses_in_ssl_keys=['{{ hostvars[groups["head"][0]].ansible_default_ipv4.address }}']
 
 [kube-master:children]