From 11b22ea95f0268f322bd085989e4fcd0780b1399 Mon Sep 17 00:00:00 2001
From: Frank Brehm <frank@brehm-online.com>
Date: Mon, 4 Apr 2022 09:33:36 +0200
Subject: [PATCH] Disabling IPv6 in GRUB

---
 lib/cr_vmware_tpl/handler.py   | 12 ++++++++++++
 snippets/tpl.070.tweak_grub.sh |  8 ++++++++
 2 files changed, 20 insertions(+)

diff --git a/lib/cr_vmware_tpl/handler.py b/lib/cr_vmware_tpl/handler.py
index 8dc2bb3..fbfaa05 100644
--- a/lib/cr_vmware_tpl/handler.py
+++ b/lib/cr_vmware_tpl/handler.py
@@ -891,6 +891,18 @@ class CrTplHandler(BaseHandler):
                 cp /dev/null "${f}"
             fi
         done
+
+        echo
+        echo "-----------------------------------------------------------"
+        echo "Current network configuration:"
+        echo
+        /usr/sbin/ip address show
+        echo
+        echo "Current routing configuration:"
+        echo
+        /usr/sbin/ip route show
+        echo
+
         """).replace('@@@LOGFILES@@@', ' '.join(logfiles))
 
         result = self.exec_remote(cmd)
diff --git a/snippets/tpl.070.tweak_grub.sh b/snippets/tpl.070.tweak_grub.sh
index 06b924a..fb27240 100644
--- a/snippets/tpl.070.tweak_grub.sh
+++ b/snippets/tpl.070.tweak_grub.sh
@@ -24,6 +24,14 @@ tweak_grub() {
         echo "Removing rhgb (RedHat Graphical Boot) from '${grub_cfg}' ..."
         sed --in-place -e 's/^\(GRUB_CMDLINE_LINUX=.*\)[ 	]rhgb\(.*\)/\1\2/' "${grub_cfg}"
 
+        echo "Disabling IPv6 in '${grub_cfg}' ..."
+        sed --in-place -e 's/^\(GRUB_CMDLINE_LINUX=.*\)"$/\1 ipv6.disable=1"/' "${grub_cfg}"
+
+        echo
+        echo "Current Linux command line in '${grub_cfg}':"
+        grep '^GRUB_CMDLINE_LINUX=' "${grub_cfg}"
+        echo
+
         echo "Recreating /boot/grub2/grub.cfg ..."
         grub2-mkconfig -o /boot/grub2/grub.cfg
 
-- 
2.39.5