From a796997adae063ab0c8a80ab1b655d63762cf098 Mon Sep 17 00:00:00 2001
From: hanzlamateen <hanzlamateen@live.com>
Date: Thu, 2 Mar 2023 13:59:41 +0300
Subject: [PATCH] Fixes various issues in check engine script.

---
 scripts/check-engine.sh | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/scripts/check-engine.sh b/scripts/check-engine.sh
index 33bb601f4fa..5201ef1305c 100755
--- a/scripts/check-engine.sh
+++ b/scripts/check-engine.sh
@@ -1,13 +1,17 @@
+#!/bin/bash
+
 apiName="${RELEASE_NAME}-xrengine-api"
 clientName="${RELEASE_NAME}-xrengine-client"
 instanceserverName="${RELEASE_NAME}-instanceserver"
 
 apiCount=$(kubectl get deploy $apiName -o jsonpath='{.status.availableReplicas}')
+if [ -z "$apiCount" ]; then
+    apiCount=0
+fi
 echo "API ready count: $apiCount"
 
 # Wait until api count is 1.
-until [ $apiCount -ge 1 ]
-do
+until [ "${apiCount}" -ge 1 ]; do
     sleep 5
 
     apiCount=$(kubectl get deploy $apiName -o jsonpath='{.status.availableReplicas}')
@@ -15,11 +19,13 @@ do
 done
 
 clientCount=$(kubectl get deploy $clientName -o jsonpath='{.status.availableReplicas}')
+if [ -z "$clientCount" ]; then
+    clientCount=0
+fi
 echo "Client ready count: $clientCount"
 
 # Wait until client count is 1.
-until [ $clientCount -ge 1 ]
-do
+until [ "${clientCount}" -ge 1 ]; do
     sleep 5
 
     clientCount=$(kubectl get deploy $clientName -o jsonpath='{.status.availableReplicas}')
@@ -27,11 +33,13 @@ do
 done
 
 instanceserverCount=$(kubectl get fleet $instanceserverName -o jsonpath='{.status.readyReplicas}')
+if [ -z "$instanceserverCount" ]; then
+    instanceserverCount=0
+fi
 echo "Instanceserver ready count: $instanceserverCount"
 
 # Wait until instanceserver count is 1.
-until [ $instanceserverCount -ge 1 ]
-do
+until [ "${instanceserverCount}" -ge 1 ]; do
     sleep 5
 
     instanceserverCount=$(kubectl get fleet $instanceserverName -o jsonpath='{.status.readyReplicas}')