dracut/0128-move-start-from-udev-to-initqueue-online.patch

From 223547feab5eb85ee96e0e097b6172705803e260 Mon Sep 17 00:00:00 2001
From: Brendan Germain <brendan.germain@nasdaqomx.com>
Date: Wed, 25 May 2016 13:25:09 -0400
Subject: [PATCH] move start from udev to initqueue/online

---
 modules.d/98syslog/module-setup.sh      |  3 +--
 modules.d/98syslog/parse-syslog-opts.sh | 22 +++++++++++++++++++++-
 modules.d/98syslog/rsyslogd-start.sh    | 21 +++++++++++++++------
 modules.d/98syslog/syslog-genrules.sh   | 30 ------------------------------
 4 files changed, 37 insertions(+), 39 deletions(-)
 delete mode 100755 modules.d/98syslog/syslog-genrules.sh

diff --git a/modules.d/98syslog/module-setup.sh b/modules.d/98syslog/module-setup.sh
index 4458229..e18aecb 100755
--- a/modules.d/98syslog/module-setup.sh
+++ b/modules.d/98syslog/module-setup.sh
@@ -29,9 +29,8 @@ install() {
     if [ -n "$_installs" ]; then
         inst_multiple cat $_installs
         inst_hook cmdline  90 "$moddir/parse-syslog-opts.sh"
-        inst_hook pre-udev 61 "$moddir/syslog-genrules.sh"
         inst_hook cleanup 99 "$moddir/syslog-cleanup.sh"
-        inst_simple "$moddir/rsyslogd-start.sh" /sbin/rsyslogd-start
+        inst_hook initqueue/online 70 "$moddir/rsyslogd-start.sh"
         inst_simple "$moddir/rsyslogd-stop.sh" /sbin/rsyslogd-stop
         mkdir -m 0755 -p ${initdir}/etc/templates
         inst_simple "${moddir}/rsyslog.conf" /etc/templates/rsyslog.conf
diff --git a/modules.d/98syslog/parse-syslog-opts.sh b/modules.d/98syslog/parse-syslog-opts.sh
index 3943258..50ec275 100755
--- a/modules.d/98syslog/parse-syslog-opts.sh
+++ b/modules.d/98syslog/parse-syslog-opts.sh
@@ -9,10 +9,30 @@
 #                   Don't auto detect syslog but set it
 type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
 
+detect_syslog() {
+    syslogtype=""
+    if [ -e /sbin/rsyslogd ]; then
+        syslogtype="rsyslogd"
+    elif [ -e /sbin/syslogd ]; then
+        syslogtype="syslogd"
+    elif [ /sbin/syslog-ng ]; then
+        syslogtype="syslog-ng"
+    else
+        warn "Could not find any syslog binary although the syslogmodule is selected to be installed. Please check."
+    fi
+    echo "$syslogtype"
+    [ -n "$syslogtype" ]
+}
+
 syslogserver=$(getarg syslog.server -d syslog)
 syslogfilters=$(getargs syslog.filter -d filter)
 syslogtype=$(getarg syslog.type -d syslogtype)
 
 [ -n "$syslogserver" ] && echo $syslogserver > /tmp/syslog.server
 [ -n "$syslogfilters" ] && echo "$syslogfilters" > /tmp/syslog.filters
-[ -n "$syslogtype" ] && echo "$syslogtype" > /tmp/syslog.type
+if [ -n "$syslogtype" ]; then
+    echo "$syslogtype" > /tmp/syslog.type
+else
+    syslogtype=$(detect_syslog)
+    echo $syslogtype > /tmp/syslog.type
+fi
diff --git a/modules.d/98syslog/rsyslogd-start.sh b/modules.d/98syslog/rsyslogd-start.sh
index c08e667..25dfb16 100755
--- a/modules.d/98syslog/rsyslogd-start.sh
+++ b/modules.d/98syslog/rsyslogd-start.sh
@@ -1,9 +1,15 @@
 #!/bin/sh
 
-# Triggered by udev and starts rsyslogd with bootparameters
+# Triggered by initqueue/online and starts rsyslogd with bootparameters
 
 type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
 
+# prevent starting again if already running
+if [ -f /var/run/syslogd.pid ]; then
+    read pid < /var/run/syslogd.pid
+    kill -0 $pid && exit 0
+fi
+
 rsyslog_config() {
     local server=$1
     shift
@@ -17,17 +23,20 @@ rsyslog_config() {
     for filter in $filters; do
         echo "${filter} @${server}"
     done
-#       echo "*.* /tmp/syslog"
+    #echo "*.* /tmp/syslog"
 }
 
+read type < /tmp/syslog.type
 read server < /tmp/syslog.server
 read filters < /tmp/syslog.filters
 [ -z "$filters" ] && filters="kern.*"
 read conf < /tmp/syslog.conf
 [ -z "$conf" ] && conf="/etc/rsyslog.conf" && echo "$conf" > /tmp/syslog.conf
 
-template=/etc/templates/rsyslog.conf
-if [ -n "$server" ]; then
-    rsyslog_config "$server" "$template" "$filters" > $conf
-    rsyslogd -c3
+if [ $type == "rsyslogd" ]; then
+    template=/etc/templates/rsyslog.conf
+    if [ -n "$server" ]; then
+        rsyslog_config "$server" "$template" "$filters" > $conf
+        rsyslogd -c3
+    fi
 fi
diff --git a/modules.d/98syslog/syslog-genrules.sh b/modules.d/98syslog/syslog-genrules.sh
deleted file mode 100755
index 072bdea..0000000
--- a/modules.d/98syslog/syslog-genrules.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/sh
-
-# Creates the syslog udev rules to be triggered when interface becomes online.
-type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
-
-detect_syslog() {
-    syslogtype=""
-    if [ -e /sbin/rsyslogd ]; then
-        syslogtype="rsyslogd"
-    elif [ -e /sbin/syslogd ]; then
-        syslogtype="syslogd"
-    elif [ /sbin/syslog-ng ]; then
-        syslogtype="syslog-ng"
-    else
-        warn "Could not find any syslog binary although the syslogmodule is selected to be installed. Please check."
-    fi
-    echo "$syslogtype"
-    [ -n "$syslogtype" ]
-}
-
-read syslogtype < /tmp/syslog.type
-if [ -z "$syslogtype" ]; then
-    syslogtype=$(detect_syslog)
-    echo $syslogtype > /tmp/syslog.type
-fi
-if [ -e "/sbin/${syslogtype}-start" ]; then
-    printf 'ACTION=="online", SUBSYSTEM=="net", RUN+="/sbin/initqueue --onetime /sbin/'${syslogtype}'-start $env{INTERFACE}"\n' > /etc/udev/rules.d/70-syslog.rules
-else
-    warn "syslog-genrules: Could not find binary to start syslog of type \"$syslogtype\". Syslog will not be started."
-fi