Add a retry logic when checking the vtgate version

Signed-off-by: Florent Poinsard <[email protected]>

test/endtoend/utils.sh

@@ -217,13 +217,18 @@ function insertWithRetry() {
 
 function verifyVtGateVersion() {
   version=$1
-  podName=$(kubectl get pods --no-headers -o custom-columns=":metadata.name" | grep "vtgate")
-  data=$(kubectl logs "$podName" | head)
-  echo "$data" | grep "$version" > /dev/null 2>&1
-  if [[ $? -ne 0 ]]; then
-    echo -e "The vtgate version is incorrect, expected: $version, got:\n$data"
-    exit 1
-  fi
+  data=""
+  for i in {1..600} ; do
+    podName=$(kubectl get pods --no-headers -o custom-columns=":metadata.name" | grep "vtgate")
+    data=$(kubectl logs "$podName" | head)
+    echo "$data" | grep "$version" > /dev/null 2>&1
+    if [[ $? -eq 0 ]]; then
+      return
+    fi
+    sleep 1
+  done
+  echo -e "The vtgate version is incorrect, expected: $version, got:\n$data"
+  exit 1
 }