No DNS in vagrant cross minions, need explicit IP as host

cluster/vagrant/config-default.sh

@@ -27,12 +27,14 @@ INSTANCE_PREFIX=kubernetes
 MASTER_NAME="${INSTANCE_PREFIX}-master"
 MASTER_TAG="${INSTANCE_PREFIX}-master"
 MINION_TAG="${INSTANCE_PREFIX}-minion"
-MINION_NAMES=($(eval echo ${INSTANCE_PREFIX}-minion-{1..${NUM_MINIONS}}))
+# Unable to use hostnames yet because DNS is not in cluster, so we revert external look-up name to use the minion IP
+#MINION_NAMES=($(eval echo ${INSTANCE_PREFIX}-minion-{1..${NUM_MINIONS}}))
 
 # IP LOCATIONS FOR INTERACTING WITH THE MINIONS
 MINION_IP_BASE="10.245.2."
 for (( i=0; i <${NUM_MINIONS}; i++)) do
   KUBE_MINION_IP_ADDRESSES[$i]="${MINION_IP_BASE}$[$i+2]"
   MINION_IP[$i]="${MINION_IP_BASE}$[$i+2]"
+  MINION_NAMES[$i]="${MINION_IP[$i]}"
   VAGRANT_MINION_NAMES[$i]="minion-$[$i+1]"
 done

cluster/vagrant/provision-minion.sh

@@ -50,6 +50,7 @@ grains:
   roles:
     - kubernetes-pool
   cbr-cidr: $MINION_IP_RANGE
+  minion_ip: $MINION_IP
 EOF
 
 # we will run provision to update code each time we test, so we do not want to do salt install each time