Move watchdog detect and install code to module-setup.sh

Signed-off-by: Kairui Song <kasong@redhat.com>
Acked-by: Lianbo Jiang <lijiang@redhat.com>

dracut-module-setup.sh

@@ -40,6 +40,10 @@ depends() {
         dwarning "Required modules to build a squashed kdump image is missing!"
     fi
 
+    if is_wdt_active; then
+        add_opt_module watchdog
+    fi
+
     if is_ssh_dump_target; then
         _dep="$_dep ssh-client"
     fi

kdump-lib.sh

@@ -479,6 +479,18 @@ is_wdt_mod_omitted() {
 	return $ret
 }
 
+is_wdt_active() {
+    local active
+
+    [ -d /sys/class/watchdog ] || return 1
+    for dir in /sys/class/watchdog/*; do
+        [ -f "$dir/state" ] || continue
+        active=$(< "$dir/state")
+        [ "$active" =  "active" ] && return 0
+    done
+    return 1
+}
+
 # If "dracut_args" contains "--mount" information, use it
 # directly without any check(users are expected to ensure
 # its correctness).

mkdumprd

@@ -44,20 +44,6 @@ trap '
 # clean up after ourselves no matter how we die.
 trap 'exit 1;' SIGINT
 
-is_wdt_addition_needed() {
-	local active
-
-	is_wdt_mod_omitted
-	[[ $? -eq 0 ]] && return 1
-	[[ -d /sys/class/watchdog/ ]] || return 1
-	for dir in /sys/class/watchdog/*; do
-		[[ -f "$dir/state" ]] || continue
-		active=$(< "$dir/state")
-		[[ "$active" =  "active" ]] && return 0
-	done
-	return 1
-}
-
 add_dracut_arg() {
     dracut_args="$dracut_args $@"
 }
@@ -417,10 +403,6 @@ if [ -f "$keyfile" ]; then
     SSH_KEY_LOCATION=$(/usr/bin/readlink -m $keyfile)
 fi
 
-if is_wdt_addition_needed; then
-    add_dracut_arg "-a" "watchdog"
-fi
-
 while read config_opt config_val;
 do
     # remove inline comments after the end of a directive.