From 493dfc88f8fe5fd540fb08bb5750dc6aa95aa9d9 Mon Sep 17 00:00:00 2001
From: Michael Prokop <mika@grml.org>
Date: Thu, 2 Nov 2006 15:45:31 +0100
Subject: [PATCH] added config_swraid for sw-raid support on live-cd

---
 autoconfig           |  1 +
 autoconfig.functions | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 autoconfig.small     |  1 +
 debian/changelog     |  7 +++++++
 grml-autoconfig      |  2 ++
 5 files changed, 63 insertions(+), 1 deletion(-)

diff --git a/autoconfig b/autoconfig
index eeeae27..95404d9 100644
--- a/autoconfig
+++ b/autoconfig
@@ -109,6 +109,7 @@ CONFIG_SETKEYCODES='yes'      # run setkeycodes when bootoption setkeycodes foun
 CONFIG_SMALL='yes'            # use a less "bloat" /etc/inittab for small computer with less RAM
 CONFIG_SPLASH='yes'           # bootsplash
 CONFIG_SSH='yes'              # check for bootparam ssh
+CONFIG_SWRAID='yes'           # check for software raid devices [only in live-mode]
 CONFIG_SWSPEAK='yes'          # run software synthesizer via speakup
 CONFIG_TESTCD='yes'           # CD checker
 CONFIG_TIME='yes'             # set clock, check for bootparam utc/gmt [only in live-mode]
diff --git a/autoconfig.functions b/autoconfig.functions
index dbe9d63..7a8e397 100755
--- a/autoconfig.functions
+++ b/autoconfig.functions
@@ -1174,7 +1174,7 @@ else
     if [[ `grep -c processor /proc/cpuinfo` -gt 1 ]] ; then
       einfo "Detecting CPU:"
       CPU=$(awk -F: '/^processor/{printf "	Processor"$2" is"};/^model name/{printf $2};/^vendor_id/{printf vendor};/^cpu MHz/{printf " %dMHz",int($2)};/^cache size/{printf ","$2" Cache"};/^$/{print ""}' /proc/cpuinfo 2>>$DEBUG)
-      echo $CPU | sed 's/ \{1,\}/ /g' 
+      echo $CPU | sed 's/ \{1,\}/ /g'
       eend 0
     else
       einfo "Detecting CPU: `awk -F: '/^processor/{printf " Processor"$2" is"};/^model name/{printf $2};/^vendor_id/{printf vendor};/^cpu MHz/{printf " %dMHz",int($2)};/^cache size/{printf ","$2" Cache"};/^$/{print ""}' /proc/cpuinfo 2>>$DEBUG` " ; eend 0
@@ -1986,6 +1986,57 @@ fi
 }
 # }}}
 
+# {{{ SW-RAID
+config_swraid(){
+  if [ -z "$INSTALLED" ] ; then
+  if checkbootparam "noraid" -o checkbootparam "forensic" ; then
+     ewarn "Skipping search for SW-RAID as requested on boot commandline." ; eend 0
+  else
+    if ! [ -x /sbin/mdadm ] ; then
+       eerror "mdadm not available, can not execute it." ; eend 1
+    else
+
+       einfo "Searching for software RAID arrays:"
+       eindent
+         IFSOLD=${IFS:-}
+         IFS='
+'
+         for line in $(mdadm --assemble --scan --auto=yes --symlink=no 2>&1) ; do
+             case $line in
+               *'No arrays found'*)
+                 ewarn "$line" ; eend 0
+                 ;;
+               *)
+                 einfo "$line" ; eend 0
+                 ;;
+             esac
+         done
+         IFS=$IFSOLD
+       eoutdent
+
+       if [ -r /proc/mdstat ] ; then
+          eindent
+          MDSTAT=$(grep '^md[0-9]' /proc/mdstat)
+          if [ -z "$MDSTAT" ] ; then
+             ewarn "No active arrays found" ; eend 0
+          else
+             IFSOLD=${IFS:-}
+             IFS='
+'
+             for line in $(grep '^md[0-9]' /proc/mdstat) ; do
+                 einfo "active arrays: $line" ; eend 0
+             done
+             IFS=$IFSOLD
+          fi
+          eoutdent
+       fi
+
+     fi # is /sbin/mdadm executable?
+  fi # check for bootoptions
+  fi # run only in live-cd mode
+}
+# }}}
+
 # {{{ debnet: setup network based on an existing one found on a partition
 config_debnet(){
 if checkbootparam "debnet" ; then
diff --git a/autoconfig.small b/autoconfig.small
index 76e199a..44203d5 100644
--- a/autoconfig.small
+++ b/autoconfig.small
@@ -109,6 +109,7 @@ CONFIG_SETKEYCODES='yes'      # run setkeycodes when bootoption setkeycodes foun
 CONFIG_SMALL='yes'            # use a less "bloat" /etc/inittab for small computer with less RAM
 CONFIG_SPLASH='no'            # bootsplash
 CONFIG_SSH='yes'              # check for bootparam ssh
+CONFIG_SWRAID='yes'           # check for software raid devices [only in live-mode]
 CONFIG_SWSPEAK='no'           # run software synthesizer via speakup
 CONFIG_TESTCD='yes'           # CD checker
 CONFIG_TIME='yes'             # set clock, check for bootparam utc/gmt [only in live-mode]
diff --git a/debian/changelog b/debian/changelog
index 9336e2d..0635552 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+grml-autoconfig (0.5-19) unstable; urgency=low
+
+  * Added function config_swraid ($CONFIG_SWRAID) for detection
+    of software raid arrays, running only in live-cd mode.
+
+ -- Michael Prokop <mika@grml.org>  Wed,  1 Nov 2006 14:14:44 +0100
+
 grml-autoconfig (0.5-18) unstable; urgency=low
 
   * config_cpu: beautify "Detecting CPU" for SMP systems.
diff --git a/grml-autoconfig b/grml-autoconfig
index 337c3fc..9505e22 100755
--- a/grml-autoconfig
+++ b/grml-autoconfig
@@ -114,6 +114,8 @@ checkvalue $CONFIG_FAST && config_fast
 
 checkvalue $CONFIG_ENVIRONMENT && config_environment
 
+checkvalue $CONFIG_SWRAID && config_swraid
+
 # No kernel messages while probing modules
 echo "0" > /proc/sys/kernel/printk
 
-- 
2.1.4