workstation/usr/share/educastur/ws-scripts/install_rsync_local

   1 #!/bin/bash
   2
   3 set -e
   4 set -x
   5
   6 DSTDIR="/mnt/install_dest.tmp"
   7
   8 SCRIPTDIR="/usr/share/educastur/common-scripts/"
   9
  10 # If called with no arguments a new timer is returned.
  11 # If called with arguments the first is used as a timer
  12 # value and the elapsed time is returned in the form HH:MM:SS.
  13 # See: http://www.linuxjournal.com/content/use-date-command-measure-elapsed-time
  14 function timer()
  15 {
  16     if [[ $# -eq 0 ]]; then
  17         echo $(date '+%s')
  18     else
  19         local  stime=$1
  20         etime=$(date '+%s')
  21
  22         if [[ -z "$stime" ]]; then stime=$etime; fi
  23
  24         dt=$((etime - stime))
  25         ds=$((dt % 60))
  26         dm=$(((dt / 60) % 60))
  27         dh=$((dt / 3600))
  28         printf '%d:%02d:%02d' $dh $dm $ds
  29     fi
  30 }
  31
  32 t=$(timer)
  33
  34 umount "${DSTDIR}/dev/pts/" || umount -l "${DSTDIR}/dev/pts/" || true
  35 umount "${DSTDIR}/dev/" || umount -l "${DSTDIR}/dev/" || true
  36 umount "${DSTDIR}/sys" || umount -l "${DSTDIR}/sys" || true
  37 umount "${DSTDIR}/proc" || umount -l "${DSTDIR}/proc" || true
  38 umount "${DSTDIR}" || umount -l "${DSTDIR}" || true
  39
  40 rmdir "${DSTDIR}"  || true
  41
  42 if [ -e "${DSTDIR}" ]; then exit 1; fi
  43
  44 # Partition Exists
  45 PART=$("${SCRIPTDIR}/partition-by-label" "AULA-LOCAL-WS")
  46 if [ -z "$PART" ]; then echo "Destination partition not found"; exit 1; fi
  47
  48 DISK=$(echo "$PART" | grep -e "^[sh]d[a-z][0-9]*$" | sed 's/^\(...\).*$/\1/')
  49 if [ -z "$DISK" ]; then echo "Disk type not supported"; exit 1; fi
  50 echo "Disk: $DISK";
  51
  52 # Get Size
  53 DEST_SIZE=$(cat /proc/partitions | grep -e "${PART}$" | awk '{print $3}')
  54 if [ -z "$DEST_SIZE" ]; then "Destination partition size is not right"; exit 1; fi
  55 if [ ${DEST_SIZE} -le 0 ]; then "Destination partition size is not right"; exit 1; fi
  56
  57 # Check that it is Not Mounted
  58
  59 # Ask for Confirmation
  60 echo "Destination: $PART ($DEST_SIZE bytes)"
  61
  62 # Format
  63 mkfs.ext3 -L "AULA-LOCAL-WS" "/dev/$PART"
  64
  65 mkdir -p "${DSTDIR}"
  66
  67 if [ ! -d "${DSTDIR}" ]; then exit 1; fi
  68
  69 mount "/dev/$PART" "${DSTDIR}"
  70
  71 rm -rf "${DSTDIR}/lost+found"
  72
  73 # Check Size
  74 SRC_SIZE=$(cat /proc/partitions | grep -e "etherd/${SRC_PART}$" | awk '{print $3}')
  75 if [ -z "$SRC_SIZE" ]; then exit 1; fi
  76 if [ ${DEST_SIZE} -le 10000 ]; then echo "Destination partition is too small"; exit 1; fi
  77
  78 echo "Source: rsync://server/ws"
  79
  80 rsync -avz "rsync://server/ws/*" "${DSTDIR}"
  81
  82 sleep 1
  83
  84 mount none -t proc "${DSTDIR}/proc/"
  85 mount none -t sysfs "${DSTDIR}/sys"
  86 mount --bind /dev "${DSTDIR}/dev/"
  87 mount none -t devpts "${DSTDIR}/dev/pts/"
  88
  89 if [ ! -z "$DISK" ]; then
  90         echo "Installing GRUB in disk: $DISK";
  91         chroot "${DSTDIR}" grub-install --force "/dev/$DISK"
  92 fi
  93
  94 chroot "${DSTDIR}" update-grub
  95
  96 # Umount destination
  97 umount "${DSTDIR}/dev/pts/" || umount -l "${DSTDIR}/dev/pts/"
  98 umount "${DSTDIR}/dev/" || umount -l "${DSTDIR}/dev/"
  99 umount "${DSTDIR}/sys" || umount -l "${DSTDIR}/sys"
 100 umount "${DSTDIR}/proc" || umount -l "${DSTDIR}/proc"
 101 umount "${DSTDIR}" || umount -l "${DSTDIR}"
 102 rmdir "${DSTDIR}"
 103
 104 printf 'Elapsed time: %s\n' $(timer $t)
 105