lustre/scripts/lc_modprobe.in

   1 #!/bin/bash
   2 #
   3 # lc_modprobe - add lustre module options into modprobe.conf or
   4 #               modules.conf
   5 #
   6 #################################################################################
   7
   8 # Get the library of functions
   9 . @scriptlibdir@/lc_common
  10
  11 # Check the kernel version
  12 KERNEL_VERSION=`uname -r`
  13 KERNEL_VERSION=${KERNEL_VERSION:0:3}
  14
  15 if [ "${KERNEL_VERSION}" = "2.4" ]; then
  16         MODULE_CONF=/etc/modules.conf
  17 else
  18         MODULE_CONF=/etc/modprobe.conf
  19 fi
  20
  21 read -r NETWORKS
  22 MODLINES_FILE=/tmp/modlines$$.txt
  23 START_MARKER=$"# start lustre config"
  24 END_MARKER=$"# end lustre config"
  25
  26 # Generate a temp file contains lnet options lines
  27 generate_lnet_lines() {
  28         local LNET_LINE TMP_LINE
  29
  30         TMP_LINE="${NETWORKS}"
  31
  32         echo ${START_MARKER} > ${MODLINES_FILE}
  33         echo "# Lustre module options added automatically by `basename $0`" >> ${MODLINES_FILE}
  34         while true; do
  35                 LNET_LINE=${TMP_LINE%%\\n*}
  36                 echo ${LNET_LINE} >> ${MODLINES_FILE}
  37
  38                 TMP_LINE=${TMP_LINE#*\\n}
  39
  40                 if [ "${TMP_LINE}" == "${LNET_LINE}" ]; then
  41                         break
  42                 fi
  43         done
  44         echo ${END_MARKER} >> ${MODLINES_FILE}
  45
  46         #echo "--------------${MODLINES_FILE}--------------"
  47         #cat ${MODLINES_FILE}
  48         #echo -e "------------------------------------------\n"
  49
  50         return 0
  51 }
  52
  53 if ! generate_lnet_lines; then
  54         exit 1
  55 fi
  56
  57 MODULE_CONF=$(fcanon ${MODULE_CONF})
  58 # Add lnet options lines to the module configuration file
  59 if [ -e ${MODULE_CONF} ]; then
  60         # Delete the old options
  61         sed -i "/${START_MARKER}/,/${END_MARKER}/d" ${MODULE_CONF}
  62 fi
  63
  64 cat ${MODLINES_FILE} >> ${MODULE_CONF}
  65 rm -f ${MODLINES_FILE}
  66 exit 0