From 43c0103e4c8940f392b3061310faf12bd4cc6264 Mon Sep 17 00:00:00 2001
From: Dan Albert <dan@solana.com>
Date: Fri, 25 Oct 2019 08:10:25 -0600
Subject: [PATCH] Enforce machine type definition on GCE (#6555)

---
 system-test/testnet-performance/testnet-automation.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/system-test/testnet-performance/testnet-automation.sh b/system-test/testnet-performance/testnet-automation.sh
index 6ef5cf131..cf5371385 100755
--- a/system-test/testnet-performance/testnet-automation.sh
+++ b/system-test/testnet-performance/testnet-automation.sh
@@ -73,12 +73,16 @@ function launchTestnet() {
 
   case $CLOUD_PROVIDER in
     gce)
+      if [[ -z $VALIDATOR_NODE_MACHINE_TYPE ]] ; then
+        echo VALIDATOR_NODE_MACHINE_TYPE not defined
+        exit 1
+      fi
     # shellcheck disable=SC2068
     # shellcheck disable=SC2086
       net/gce.sh create \
         -d pd-ssd \
         -n "$NUMBER_OF_VALIDATOR_NODES" -c "$NUMBER_OF_CLIENT_NODES" \
-        $maybeCustomMachineType $VALIDATOR_NODE_MACHINE_TYPE "$maybeEnableGpu" \
+        $maybeCustomMachineType "$VALIDATOR_NODE_MACHINE_TYPE" $maybeEnableGpu \
         -p "$TESTNET_TAG" ${TESTNET_CLOUD_ZONES[@]/#/"-z "} ${ADDITIONAL_FLAGS[@]/#/" "}
       ;;
     colo)