From 095024c179aee07852584214f53d9fd5adbfa0b2 Mon Sep 17 00:00:00 2001
From: Michael Quigley <michael@quigley.com>
Date: Tue, 18 Oct 2022 15:49:30 -0400
Subject: [PATCH] dnsSafeShortid (#79)

---
 controller/util.go | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/controller/util.go b/controller/util.go
index e2f403a1..9b911294 100644
--- a/controller/util.go
+++ b/controller/util.go
@@ -48,7 +48,21 @@ func createToken() (string, error) {
 }
 
 func createServiceName() (string, error) {
-	return shortid.Generate()
+	return dnsSafeShortId()
+}
+
+func dnsSafeShortId() (string, error) {
+	sid, err := shortid.Generate()
+	if err != nil {
+		return "", err
+	}
+	for sid[0] == '-' || sid[0] == '_' {
+		sid, err = shortid.Generate()
+		if err != nil {
+			return "", err
+		}
+	}
+	return sid, nil
 }
 
 func hashPassword(raw string) string {