convert-zd-mtx-to-robot.sh

   1 #! /bin/sh
   2
   3 if test $# -ne 1; then
   4     echo "USAGE: $0 <CONFIG>"
   5     exit 1
   6 fi
   7
   8 CONFIG=$1
   9 CFGDIR=`amgetconf build.CONFIG_DIR`
  10 if test -z "$CFGDIR"; then
  11     echo "could not get CONFIG_DIR - is Amanda set up correctly?"
  12     exit 1;
  13 fi
  14
  15 # cd into config dir so relative paths work
  16 cd "$CFGDIR/$CONFIG"
  17
  18 ##
  19 # get the configuration (this is copied directly from chg-zd-mtx)
  20
  21 die() {
  22     echo "$*"
  23     exit 1
  24 }
  25
  26 changerfile=`amgetconf $CONFIG changerfile 2>/dev/null`
  27 if [ -z "$changerfile" ]; then
  28      die "changerfile must be specified in amanda.conf"
  29 fi
  30 conf_match=`expr "$changerfile" : .\*\.conf\$`
  31 if [ $conf_match -ge 6 ]; then
  32         configfile=$changerfile
  33         changerfile=`echo $changerfile | sed 's/.conf$//g'`
  34 else
  35         configfile=$changerfile.conf
  36 fi
  37 if [ ! -e $configfile ]; then
  38     die "configuration file \"$configfile\" doesn't exist"
  39 fi
  40 if [ ! -f $configfile ]; then
  41     die "configuration file \"$configfile\" is not a file"
  42 fi
  43 cleanfile=$changerfile-clean
  44 accessfile=$changerfile-access
  45 slotfile=$changerfile-slot
  46 labelfile=$changerfile-barcodes
  47
  48 varlist=
  49 varlist="$varlist firstslot"
  50 varlist="$varlist lastslot"
  51 varlist="$varlist cleanslot"
  52 varlist="$varlist cleancycle"
  53 varlist="$varlist OFFLINE_BEFORE_UNLOAD"        # old name
  54 varlist="$varlist offline_before_unload"
  55 varlist="$varlist unloadpause"
  56 varlist="$varlist AUTOCLEAN"                    # old name
  57 varlist="$varlist autoclean"
  58 varlist="$varlist autocleancount"
  59 varlist="$varlist havereader"
  60 varlist="$varlist driveslot"
  61 varlist="$varlist poll_drive_ready"
  62 varlist="$varlist initial_poll_delay"
  63 varlist="$varlist max_drive_wait"
  64 varlist="$varlist slotinfofile"
  65
  66 for var in $varlist
  67 do
  68         val="`cat $configfile 2>/dev/null | sed -n '
  69 # Ignore comment lines (anything starting with a #).
  70 /^[     ]*#/d
  71 # Find the first var=val line in the file, print the value and quit.
  72 /^[     ]*'$var'[       ]*=[    ]*\([^  ][^     ]*\).*/ {
  73         s/^[    ]*'$var'[       ]*=[    ]*\([^  ][^     ]*\).*/\1/p
  74         q
  75 }
  76 '`"
  77         eval $var=\"$val\"
  78 done
  79
  80 firstslot=${firstslot:-'-1'}                            # default: mtx status
  81 lastslot=${lastslot:-'-1'}                              # default: mtx status
  82 driveslot=${driveslot:-'0'}                             # default: 0
  83 cleanslot=${cleanslot:-'-1'}                            # default: -1
  84 cleancycle=${cleancycle:-'120'}                         # default: two minutes
  85 if [ -z "$offline_before_unload" -a -n "$OFFLINE_BEFORE_UNLOAD" ]; then
  86         offline_before_unload=$OFFLINE_BEFORE_UNLOAD    # (old name)
  87 fi
  88 offline_before_unload=${offline_before_unload:-'0'}     # default: 0
  89 unloadpause=${unloadpause:-'0'}                         # default: 0
  90 if [ -z "$autoclean" -a -n "$AUTOCLEAN" ]; then
  91         autoclean=$AUTOCLEAN                            # (old name)
  92 fi
  93 autoclean=${autoclean:-'0'}                             # default: 0
  94 autocleancount=${autocleancount:-'99'}                  # default: 99
  95 havereader=${havereader:-'0'}                           # default: 0
  96 poll_drive_ready=${poll_drive_ready:-'3'}               # default: three seconds
  97 initial_poll_delay=${initial_poll_delay:-'0'}           # default: zero zeconds
  98 max_drive_wait=${max_drive_wait:-'120'}                 # default: two minutes
  99
 100 tapedev=`amgetconf $CONFIG tapedev 2>/dev/null`
 101 if [ -z "$tapedev" ]; then
 102     die "tapedev may not be empty"
 103 fi
 104
 105 changerdev=`amgetconf $CONFIG changerdev 2>/dev/null`
 106 if [ -z "$changerdev" ]; then
 107     die "changerdev may not be empty"
 108 elif [ $changerdev = "/dev/null" ]; then
 109     die "changerdev ($changerdev) may not be the null device"
 110 fi
 111
 112 ####
 113 # Create the chg-robot config
 114
 115 # note that cleaning is not supported by chg-robot, so the cleaning parameters are
 116 # not converted.
 117
 118 showbool() {
 119     if test "$1" -ne 0; then
 120         echo 'yes'
 121     else
 122         echo 'no'
 123     fi
 124 }
 125
 126 echo "Remove the following parameters, if present, from your amanda.conf:"
 127 echo "   tpchanger changerfile changerdev tapedev"
 128 echo ""
 129 echo "Add the following to amanda.conf (you may want to use a more descriptive name for the changer):"
 130 echo ""
 131 echo "tapedev \"converted-from-chg-zd-mtx\""
 132 echo "define changer \"converted-from-chg-zd-mtx\" {"
 133 echo "  tpchanger \"chg-robot:$changerdev\""
 134 echo "  changerfile \"$changerfile-state\""
 135 echo "  property \"tape-device\" \"$driveslot=$tapedev\""
 136 echo "  property \"eject-before-unload\" \""`showbool $offline_before_unload`"\""
 137 if test $firstslot -ge 0 && test $lastslot -ge 0; then
 138     echo "  property \"use-slots\" \"$firstslot-$lastslot\""
 139 elif test $firstslot -ge 0 || test $lastslot -ge 0; then
 140     echo "  # you may want to set the USE-SLOTS property appropriately"
 141 fi
 142 if test "${unloadpause:-0}" -gt 0; then
 143     echo "  property \"eject-delay\" \"$unloadpause s\""
 144 fi
 145 if test $havereader -eq 0; then
 146     echo "  property \"fast-search\" \"no\""
 147     echo "  property \"ignore-barcodes\" \"yes\""
 148 fi
 149 echo "  property \"load-poll\" \"$initial_poll_delay s poll $poll_drive_ready s until $max_drive_wait s\""
 150 echo "}"
 151 echo ""
 152
 153 ####
 154 # and offer suggestions for loading metadata, if slotinfofile is set
 155
 156 if test -z "$slotinfofile"; then
 157     echo "Once this configuration is in place, run"
 158     echo "  amtape $CONFIG update"
 159     echo "to update the changer's tape database.  For a large changer, this may take some time."
 160 else
 161     echo "Run the following commands to initialize the changer's tape database."
 162     cat "$slotinfofile" | while read slot label; do
 163         echo "  amtape $CONFIG update \"$slot=$label\""
 164     done
 165 fi