[CORD-1541] Adding xos-tosca DNS

Change-Id: I0218bc145e200a59bc0d17d8e9ebc5b1daef3d74
diff --git a/roles/maas/files/update_dns_template.sh b/roles/maas/files/update_dns_template.sh
index e37ee2c..8c25bf5 100755
--- a/roles/maas/files/update_dns_template.sh
+++ b/roles/maas/files/update_dns_template.sh
@@ -67,6 +67,7 @@
 mavenrepo CNAME $HOSTNAME
 xos-gui CNAME $HOSTNAME
 xos-ws CNAME $HOSTNAME
+xos-tosca CNAME $HOSTNAME
 consul CNAME $HOSTNAME
 juju-head-node CNAME $HOSTNAME
 \$INCLUDE "/etc/bind/maas/cnames.inc"