From cd6679c71665a53e2a55a204e7ea64b4a6d14030 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Fri, 22 Jul 2016 13:32:47 +0200
Subject: [PATCH] add rd.emergency=[reboot|poweroff|halt]

specifies what action to execute in case of a critical failure

(cherry picked from commit c45e856a659a37537c107f7ef3e680abf60a96a5)

https://bugzilla.redhat.com/show_bug.cgi?id=1359144
---
 dracut.cmdline.7.asc                    |  3 +++
 modules.d/98systemd/dracut-emergency.sh | 12 +++++++++++-
 modules.d/99base/dracut-lib.sh          | 24 ++++++++++++++++--------
 3 files changed, 30 insertions(+), 9 deletions(-)

diff --git a/dracut.cmdline.7.asc b/dracut.cmdline.7.asc
index 1cf962e6..1fb4f746 100644
--- a/dracut.cmdline.7.asc
+++ b/dracut.cmdline.7.asc
@@ -108,6 +108,9 @@ resume=UUID=3f5ad593-4546-4a94-a374-bcfb68aa11f7
 
 Misc
 ~~~~
+**rd.emergency=**__[reboot|poweroff|halt]__::
+    specify, what action to execute in case of a critical failure.
+
 **rd.driver.blacklist=**__<drivername>__[,__<drivername>__,...]::
     do not load kernel module <drivername>. This parameter can be specified
     multiple times.
diff --git a/modules.d/98systemd/dracut-emergency.sh b/modules.d/98systemd/dracut-emergency.sh
index 5771dc5e..b3e8d087 100755
--- a/modules.d/98systemd/dracut-emergency.sh
+++ b/modules.d/98systemd/dracut-emergency.sh
@@ -16,6 +16,7 @@ export _rdshell_name="dracut" action="Boot" hook="emergency"
 
 source_hook "$hook"
 
+_emergency_action=$(getarg rd.emergency)
 
 if getargbool 1 rd.shell -d -y rdshell || getarg rd.break -d rdbreak; then
     echo
@@ -33,9 +34,18 @@ if getargbool 1 rd.shell -d -y rdshell || getarg rd.break -d rdbreak; then
     exec sh -i -l
 else
     warn "$action has failed. To debug this issue add \"rd.shell rd.debug\" to the kernel command line."
-    exit 1
+    [ -z "$_emergency_action" ] && _emergency_action=halt
 fi
 
 /bin/rm -f -- /.console_lock
 
+case "$_emergency_action" in
+    reboot)
+        reboot || exit 1;;
+    poweroff)
+        poweroff || exit 1;;
+    halt)
+        halt || exit 1;;
+esac
+
 exit 0
diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
index 16bc74d4..10d9cbc5 100755
--- a/modules.d/99base/dracut-lib.sh
+++ b/modules.d/99base/dracut-lib.sh
@@ -1068,6 +1068,8 @@ emergency_shell()
     local _ctty
     set +e
     local _rdshell_name="dracut" action="Boot" hook="emergency"
+    local _emergency_action
+
     if [ "$1" = "-n" ]; then
         _rdshell_name=$2
         shift 2
@@ -1086,20 +1088,26 @@ emergency_shell()
     source_hook "$hook"
     echo
 
+    _emergency_action=$(getarg rd.emergency)
+    [ -z "$_emergency_action" ] \
+        && [ -e /run/initramfs/.die ] \
+        && _emergency_action=halt
+
     if getargbool 1 rd.shell -d -y rdshell || getarg rd.break -d rdbreak; then
         _emergency_shell $_rdshell_name
     else
         warn "$action has failed. To debug this issue add \"rd.shell rd.debug\" to the kernel command line."
-        # cause a kernel panic
-        exit 1
+        [ -z "$_emergency_action" ] && _emergency_action=halt
     fi
 
-    if [ -e /run/initramfs/.die ]; then
-        if [ -n "$DRACUT_SYSTEMD" ]; then
-            systemctl --no-block --force halt
-        fi
-        exit 1
-    fi
+    case "$_emergency_action" in
+        reboot)
+            reboot || exit 1;;
+        poweroff)
+            poweroff || exit 1;;
+        halt)
+            halt || exit 1;;
+    esac
 }
 
 action_on_fail()