web/collect/client/get_bootcd_version.sh

   1 #!/bin/bash
   2
   3 kernel=$1
   4 if [ -f /etc/planetlab/plc_config ]; then
   5         source /etc/planetlab/plc_config
   6 else
   7         PLC_SLICE_PREFIX='pl'
   8 fi
   9
  10 function get_version () {
  11
  12    DEVICE=$1
  13    cd /tmp
  14    if [ -f /mnt/boot/pl_version ]; then
  15          cat /mnt/boot/pl_version
  16    fi
  17 }
  18 function get_kernel_version () {
  19
  20    DEVICE=$1
  21    cd /tmp
  22    if [ -f /mnt/boot/kernel ]; then
  23          strings /mnt/boot/kernel | grep planetlab
  24    else
  25          echo "No kernel at /mnt/boot/kernel"
  26    fi
  27 }
  28
  29 function mount_works () {
  30    DEVICE=$1
  31    msg="mount: you must specify the filesystem type"
  32    r=`mount $DEVICE /mnt/boot 2>&1`
  33    if [ "$r" == "$msg" ] ; then
  34        return 1;
  35    else
  36        return 0;
  37    fi
  38 }
  39
  40 mkdir -p /mnt/boot
  41 DL=`/home/${PLC_SLICE_PREFIX}_myops/sysinfo/systeminfo.py | sort -n | awk '{print $2}' | head -1`
  42 if [ -z "$kernel" ] ; then
  43     V="No BootImage Found"
  44 else
  45     V="Unable to find kernel image"
  46 fi
  47 (
  48     flock -x 400
  49     for dev in /dev/cdrom /dev/cdrom1 $DL ${DL}4 ${DL}1; do
  50         if [ -b $dev ] ; then
  51             if mount_works $dev ; then
  52                 if [ -z "$kernel" ] ; then
  53                     V=$( get_version $dev )
  54                 else
  55                     V=$( get_kernel_version $dev )
  56                 fi
  57                 r=`umount /mnt/boot 2>&1`
  58                 msg2="umount: /mnt/boot: device is busy"
  59                 if [ "$r" == "$msg2" ] ; then
  60                     r=`umount /mnt/boot 2>&1`
  61                 fi
  62                 break
  63             fi
  64         fi
  65     done
  66
  67     if [ -z "$kernel" ] ; then
  68         if [ -z "$V" ] ; then
  69             wc=$( dmesg | grep "Buffer I/O error"  | wc -l )
  70             if [ $wc -gt 0 ] ; then
  71                 echo "Multiple IO errors prevent reading: $wc"
  72             else
  73                 echo "No BootImage Found"
  74             fi
  75         else
  76             echo $V
  77         fi
  78     else
  79         echo $V
  80     fi
  81 ) 400>/var/lock/myops.mount