* config_swraid: add usage info how to disable it, check for

[grml-autoconfig.git] / autoconfig.functions

diff --git a/autoconfig.functions b/autoconfig.functions
index fa5dd55..f8af3db 100755 (executable)
--- a/autoconfig.functions
+++ b/autoconfig.functions
@@ -937,9 +937,13 @@ fi
 
 # {{{ Start creating /etc/fstab with HD partitions and USB SCSI devices now
 config_fstab(){
+
 NOSWAP=""
-checkbootparam "noswap" && NOSWAP="yes"
-if checkbootparam "nofstab"; then
+if checkbootparam "noswap" -o checkbootparam "forensic" ; then
+   NOSWAP="yes"
+fi
+
+if checkbootparam "nofstab" -o checkbootparam "forensic" ; then
   ewarn "Skipping /etc/fstab creation as requested on boot commandline." ; eend 0
 else
   checkbootparam "anyswap" && export ANYSWAP='yes' || export ANYSWAP=""
@@ -1171,7 +1175,14 @@ else
   elif [ ! -e /lib/modules/${KERNEL}/kernel/arch/i386/kernel/cpu/cpufreq -o ! -e /lib/modules/${KERNEL}/kernel/drivers/cpufreq ] ; then
     ewarn "Skipping CPU detection as module dependencies are not fulfilled." ; eend 1
   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>>$DEBUG` " ; eend 0
+    if [[ `grep -c processor /proc/cpuinfo` -gt 1 ]] ; then
+      einfo "Detecting CPU:"
+      CPU=$(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'
+      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
+    fi
     if /usr/sbin/laptop-detect ; then
     einfo "Detected Laptop - trying to use cpu frequency scaling:"
 #      loadcpumod() {
@@ -1701,7 +1712,7 @@ fi
 }
 
 config_automount(){
-if checkbootparam noautoconfig ; then
+if checkbootparam noautoconfig -o checkbootparam forensic ; then
   ewarn "Skipping running automount of device(s) labeled GRMLCFG as requested." ; eend 0
 else
  if [ -z "$INSTALLED" ] ; then
@@ -1979,6 +1990,58 @@ fi
 }
 # }}}
 
+# {{{ SW-RAID
+config_swraid(){
+  if [ -z "$INSTALLED" ] ; then
+  # notice: checkbootparam "forensic" is just for users who don't know how to really use the bootoption
+  if checkbootparam "noraid" -o checkbootparam "forensic" -o checkbootparam "raid=noautodetect" ; then
+     ewarn "Skipping search for SW-RAID as requested on boot commandline." ; eend 0
+  else
+    if ! [ -x /sbin/mdadm ] ; then
+       eerror "mdadm not available, can not execute it." ; eend 1
+    else
+
+       einfo "Searching for software RAID arrays (disable via bootoption noraid):"
+       eindent
+         IFSOLD=${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