From 1f3eca1b1bb53b66b11869f6723bfac02f1fd7f1 Mon Sep 17 00:00:00 2001
From: HeshamTB <hishaminv@gmail.com>
Date: Mon, 18 Mar 2024 20:30:40 +0300
Subject: [PATCH] setup: allow running when uuid can not be read or saved

---
 node.go | 25 ++++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/node.go b/node.go
index 6a4f2d0..6dce2d4 100644
--- a/node.go
+++ b/node.go
@@ -25,6 +25,7 @@ func InitNodeUUID() (*uuid.UUID, error) {
         }
     }
 
+    slog.Debug("UUID: Reading UUID")
     f, err := os.Open(UUID_PATH)
     if err != nil {
         return nil, err
@@ -41,23 +42,33 @@ func InitNodeUUID() (*uuid.UUID, error) {
 }
 
 func createNodeUUID() (*uuid.UUID, error) {
-    err := os.MkdirAll(CONFIG_PATH, 0755)
+    uuid, err := uuid.NewRandom()
     if err != nil {
         return nil, err
     }
 
+    err = os.MkdirAll(CONFIG_PATH, 0755)
+    if err != nil {
+        slog.Error(err.Error())
+        slog.Warn("Could not create /etc/hvpn directory!")
+        slog.Info("Proccedig without saving node UUID")
+        return &uuid, nil
+    }
+
     mode := os.O_RDWR | os.O_CREATE | os.O_EXCL
     f, err := os.OpenFile(UUID_PATH, mode, 0644)
     if err != nil {
-        return nil, err
-    }
-    uuid, err := uuid.NewRandom()
-    if err != nil {
-        return nil, err
+        slog.Error(err.Error())
+        slog.Warn("Could not open uuid file")
+        slog.Info("Proccedig without saving node UUID")
+        return &uuid, nil 
     }
     n, err := f.Write(uuid[:])
     if err != nil {
-        return nil, err
+        slog.Error(err.Error())
+        slog.Warn("Could not write to uuid file")
+        slog.Info("Proccesing without saving node UUID")
+        return &uuid, nil
     }
     slog.Debug("UUID: Wrote " + fmt.Sprint(n) + "bytes")
     return &uuid, nil