From 27469fc417011c249c3ae068b1a719fe4c0da344 Mon Sep 17 00:00:00 2001
From: colin <colin@noreply@nixc.us>
Date: Mon, 22 Jan 2024 15:22:34 +0000
Subject: [PATCH] Update docker/headscale/start.sh

---
 docker/headscale/start.sh | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/docker/headscale/start.sh b/docker/headscale/start.sh
index 38ecb2e..ecbad91 100644
--- a/docker/headscale/start.sh
+++ b/docker/headscale/start.sh
@@ -58,6 +58,29 @@ replace_config_values() {
     echo "Config file generated at $config_output"
 }
 
+ensure_private_key_exists() {
+    local key_path="/var/lib/headscale/derp_server_private.key"
+
+    # Check if the file exists and is a valid private key
+    if [[ -f "$key_path" ]] && openssl rsa -check -noout -in "$key_path" > /dev/null 2>&1; then
+        echo "Valid private key already exists at $key_path."
+    else
+        # Generate a new 2048-bit RSA private key
+        mkdir -p /var/lib/headscale
+        openssl genpkey -algorithm RSA -out "$key_path" -pkeyopt rsa_keygen_bits:2048
+        if [[ $? -eq 0 ]]; then
+            echo "New private key generated at $key_path."
+        else
+            echo "Failed to generate private key."
+            return 1
+        fi
+    fi
+}
+
+echo testgen derp private key
+ensure_private_key_exists
+
+
 # Run the function to replace variables and start headscale
 replace_config_values
 echo configuration implementation system finished.