From e514c8f46ce6a6df30d5f796d66a45c6babcb71c Mon Sep 17 00:00:00 2001
From: Aditya <60684641+0x0elliot@users.noreply.github.com>
Date: Thu, 19 Oct 2023 21:29:08 +0530
Subject: [PATCH] fix: making script usable on linux

---
 functions/kubernetes/generate_certs.sh | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/functions/kubernetes/generate_certs.sh b/functions/kubernetes/generate_certs.sh
index 59ee052d..7b24b3e1 100755
--- a/functions/kubernetes/generate_certs.sh
+++ b/functions/kubernetes/generate_certs.sh
@@ -1,6 +1,16 @@
 #!/bin/bash
+# Check if ifconfig is present and use it to get the default IP
+if command -v ifconfig &> /dev/null; then
+    default_ip=$(ifconfig | grep 'inet ' | grep -v 127.0.0.1 | awk '{print $2}')
+# Check if ip is present and use it if ifconfig is not available
+elif command -v ip &> /dev/null; then
+    default_ip=$(ip addr show | grep -oP 'inet \K[\d.]+' |  sed -n '2p')
+# If both tools are not available, error out
+else
+    echo "Error: Neither ifconfig nor ip command found in the machine. Exiting.."
+    exit 1
+fi
 
-default_ip=$(ifconfig | grep 'inet ' | grep -v 127.0.0.1 | awk '{print $2}')
 
 read -p "Enter your node IP to use for cert generation (default is $default_ip): " custom_ip
 # Use localhost as the default value