From cc6d42391136ab519a5bf0c5cc1e68e12120aadc Mon Sep 17 00:00:00 2001
From: Paul Schoenfelder <paulschoenfelder@gmail.com>
Date: Sun, 29 Apr 2018 00:33:06 -0400
Subject: [PATCH] [installer] Fix #4 - ensure generated prefixes are valid

---
 bin/infra | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bin/infra b/bin/infra
index 9bdcdae..ba16d8c 100755
--- a/bin/infra
+++ b/bin/infra
@@ -204,7 +204,7 @@ function destroy() {
 function provision() {
     # If INFRA_PREFIX has not been set yet, request it from user
     if [ -z "$INFRA_PREFIX" ]; then
-        DEFAULT_INFRA_PREFIX=$(tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 8 | head -n 1)
+        DEFAULT_INFRA_PREFIX=$(tr -dc 'a-z0-9' < /dev/urandom | fold -w 8 | head -n 1)
 
         warnb << EOF
 # Infrastructure Prefix