added pxelink-script and ldapconf helper-functions

git-svn-id: http://svn.openslx.org/svn/openslx/trunk@444 95ad53e4-c205-0410-b2fa-d234c58c8868

1 files changed, 84 insertions, 0 deletions

diff --git a/ldap-site-mngmt/generation-scripts/pxelink b/ldap-site-mngmt/generation-scripts/pxelink
new file mode 100755
index 00000000..7e9df8af
--- /dev/null
+++ b/ldap-site-mngmt/generation-scripts/pxelink
@@ -0,0 +1,84 @@
+#!/bin/sh
+# the pxe-linking skript should be executed every new hour
+# crontab entry:  0 * * * *  root <absolute-path>/pxelink.sh
+
+pxedir='tftpboot/pxe/pxelinux.cfg/'
+cd $pxedir
+# delete all symbolic links (they are obsolete)
+rm 01-*
+if [ -e default ] ; then rm default ; fi
+
+# get actual time parameters (weekday and hour)
+datum=`date +%a:%-k |sed 's/[a-z]/\U&/g'`
+wday=`echo $datum | cut -d ":" -f 1`
+time=`echo $datum | cut -d ":" -f 2`
+echo "actual time: " $wday $time
+
+# get all PXE files (unique) under <timerange>/<pxefile>
+pxenumber=`find -type f | cut -d "/" -f 3 | sort | sed '$!N; /^\(.*\)
+  \n\1$/!P; D' | wc -l`
+pxe=`find -type f | cut -d "/" -f 3 | sort | sed '$!N; /^\(.*\)\n\1$
+  /!P; D' `
+for ((j=0;j<$pxenumber;j++)) ; do
+  pxe_array[$j]=`echo $pxe | cut -d " " -f $[$j+1] `
+  echo "pxe file: " ${pxe_array[j]}
+  lines=`find */${pxe_array[j]} | cut -d "/" -f 1 | wc -l`
+  ranges=`find */${pxe_array[j]} | cut -d "/" -f 1`
+  for ((i=0;i<$lines;i++)) ; do
+    timerange[$i]=`echo $ranges | cut -d " " -f $[$i+1] `
+    #echo ${timerange[i]}
+  done
+  match=0
+
+  # get timerange corresponding to actual time parameters
+  while true; do	
+    for ((i=0;i<$lines;i++)) ; do
+      trday=`echo ${timerange[i]} | cut -d "_" -f 1`
+      trbegin=`echo ${timerange[i]} | cut -d "_" -f 2`
+      trend=`echo ${timerange[i]} | cut -d "_" -f 3`
+      if [ $trday != "X" ] && [ $trbegin != "X" ] && [ $trday == $wday ] \
+          && [ $trbegin -le $time ] && [ $time -le $trend ]; then
+        echo $wday $time "[D H H]match ->" ${timerange[i]}
+        ln -s ${timerange[i]}'/'${pxe_array[j]} ${pxe_array[j]}
+        echo "symlink: " ${pxe_array[j]} "->" ${timerange[i]}"/"${pxe_array[j]}
+        match=1 && break
+      fi
+    done
+    if [ $match == 1 ] ; then break ; fi
+
+    for ((i=0;i<$lines;i++)) ; do
+      trday=`echo ${timerange[i]} | cut -d "_" -f 1`
+      trbegin=`echo ${timerange[i]} | cut -d "_" -f 2`
+      trend=`echo ${timerange[i]} | cut -d "_" -f 3`
+      if [ $trday == $wday ] && [ $trbegin == "X" ] && [ $trend == "X" ]; then
+        echo $wday $time "[D _ _]match ->" ${timerange[i]}
+        ln -s ${timerange[i]}"/"${pxe_array[j]} ${pxe_array[j]}
+        echo "symlink: " ${pxe_array[j]} "->" ${timerange[i]}"/"${pxe_array[j]}
+        match=1 && break
+      fi
+    done
+    if [ $match == 1 ] ; then break ; fi
+
+    for ((i=0;i<$lines;i++)) ; do
+      trday=`echo ${timerange[i]} | cut -d "_" -f 1`
+      trbegin=`echo ${timerange[i]} | cut -d "_" -f 2`
+      trend=`echo ${timerange[i]} | cut -d "_" -f 3`
+      if [ $trday == "X" ] && [ $trbegin != "X" ] && [ $trend != "X" ] && \
+          [ $trbegin -le $time ] && [ $time -le $trend ]; then
+        echo $wday $time "[_ H H]match ->" ${timerange[i]}
+        ln -s ${timerange[i]}"/"${pxe_array[j]} ${pxe_array[j]}
+        echo "symlink: " ${pxe_array[j]} "->" ${timerange[i]}"/"${pxe_array[j]}
+        match=1 && break
+      else
+        if [ ${timerange[i]} == "X_X_X" ]; then
+          echo $wday $time "[_ _ _]match ->" ${timerange[i]}
+          ln -s ${timerange[i]}"/"${pxe_array[j]} ${pxe_array[j]}
+          echo "symlink: " ${pxe_array[j]} "->" ${timerange[i]}"/"${pxe_array[j]}
+        fi
+        match=1
+      fi
+    done 
+    if [ $match == 1 ] ; then break ; fi
+  done
+done
+exit 0