afstools/vosmove2 at master · stacken/afstools · GitHub

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#!/bin/bash

PATH=/usr/afsws/bin:$PATH ; export PATH

function usage () {
  echo Usage: $0 volume fromserver frompartition toserver topartition; exit 1;
}

localauth=""

if [ $# != 5 ];
then
  if [ $# != 6 ] ; then
    usage
  else
    case "$6" in
	-loc*)
	    localauth=$6
	    ;;
	    *)
	    usage
	    ;;
    esac
  fi
fi
volume=$1
volbase=`basename $volume .readonly`
fromserver=$2
frompart=$3
toserver=$4
topart=$5
verbose="-verbose"
volcache=/tmp/move-volume.$$

rm -f $volcache
#vos listvol $fromserver $frompart $localauth > $volcache
vos exa $volbase > $volcache

echo ""
echo "# MOVING $volume FROM $fromserver:$frompart TO $toserver:$topart"
echo ""
# ```
if awk '$5 == "Backup" { if ($6 == "0") exit 1; else exit 0}' $volcache > /dev/null ; then
  echo ""
  echo "# Backup of $volume exists ==> must remember make a new backup ..."
  echo ""
  dobackup=true
fi

volumesize=`awk '$5 == "K" && $6 == "On-line" { print $4 }' $volcache`
starttime=`perl -e 'print time(),"\n"'`

function movereadonly () {
  # First add one more so that we never have one too little
  echo "------"
  echo vos addsite $toserver $topart $volbase $verbose $localauth
  echo "------"
  if vos addsite $toserver $topart $volbase $verbose $localauth 2>/tmp/rocopy$$ ; then
      : ok
  else
      if grep "already exists" /tmp/rocopy$$ ; then
	  : ok
      else
	  exit 1
      fi
  fi
  rm /tmp/rocopy$$
  vos rele $volbase $verbose $localauth || exit 1
  echo "------"
  echo vos remove $fromserver $frompart $volbase.readonly $verbose $localauth
  echo "------"
  vos remove $fromserver $frompart $volbase.readonly $verbose $localauth || exit 1
  echo "------"
  readonlymoved=true
}

function movereadwrite () {
  echo "------"
  echo vos move $volume $fromserver $frompart $toserver $topart $verbose $localauth
  echo "------"
  vos move $volume $fromserver $frompart $toserver $topart $verbose $localauth || exit 1
  echo "------"
  readwritemoved=true
}

if [ $volume = $volbase.readonly ] ; then
  # We were asked to move the RO copy.
  # But we want to move both, so make two steps.
  rwline=`awk '$1 == "server" && $3 == "partition" && $5 == "RO" && $2 == "'$fromserver'" && $4 == "'$frompart'" {sub(/RO/,"RW",$5); print}' $volcache`
  if test "$rwline" && grep "$rwline" $volcache > /dev/null ; then
      #we have both RW and RO, move RW first
      volume=$volbase
      movereadwrite
      # undo name change
      volume=$volbase.readonly
  fi
  movereadonly
else
  # this not a RO, probably a RW
  movereadwrite
  roline=`awk '$1 == "server" && $3 == "partition" && $5 == "RW" {sub(/RW/,"RO",$5); print}' $volcache`
  if test "$roline" && grep "$roline" $volcache > /dev/null ; then
      #we have both RW and RO
      movereadonly
  fi
fi

if echo $dobackup | grep true > /dev/null && echo $readwritemoved | grep true > /dev/null ; then
	echo "------"
	echo vos backup $volbase $localauth
	echo "------"
	vos backup $volbase $localauth | sed 's/^/# /' || exit 1
fi

if echo $readonlymoved | grep true > /dev/null ; then
 : "Don't remenber if there was something more to do ;)"
fi

# Statistics
echo -n "------ Speed was "
vos exa $volbase -format | awk '$1 == "name" || $1 == "filecount" || $1 == "diskused" {printf " %s ",$0}'
perl -e '$diff=time()-'$starttime'+0.0; $diff=1 if $diff == 0; print " ",'$volumesize'/$diff," kbytes/sec\n"'

rm -f $volcache
echo "------ $volume done"