gen/nfs.sh

   1 #!/bin/sh
   2 # This script performs nfs updates on servers.
   3 #
   4 # $Header$
   5
   6 # redirect output, and find the credentials directory (not robust, but
   7 # works for now).
   8 if [ -d /var/athena ] && [ -w /var/athena ]; then
   9     exec >/var/athena/moira_update.log 2>&1
  10 else
  11     exec >/tmp/moira_update.log 2>&1
  12 fi
  13
  14 creddir=/var/athena
  15 if [ -d /usr/etc ]; then
  16     creddir=/usr/etc
  17 fi
  18
  19 # The following exit codes are defined and MUST BE CONSISTENT with the
  20 # error codes the library uses:
  21 MR_NOCRED=47836470
  22 MR_MISSINGFILE=47836473
  23 MR_MKCRED=47836474
  24 MR_TARERR=47836476
  25
  26 PATH=/etc:/bin:/usr/bin:/usr/etc:/usr/athena/etc
  27
  28 TARFILE=/var/tmp/nfs.out
  29 SRCDIR=/var/tmp/nfs.dir
  30
  31 uchost=`hostname | tr '[a-z]' '[A-Z]'`
  32 echo $uchost | egrep -e "\." >/dev/null
  33 if [ $? != 0 ]; then
  34     uchost=$uchost.MIT.EDU
  35 fi
  36
  37 # Alert if the tar file does not exist
  38 test -r $TARFILE || exit $MR_MISSINGFILE
  39
  40 # Make a temporary directory to unpack the tar file into
  41 rm -rf $SRCDIR
  42 mkdir $SRCDIR || exit $MR_MKCRED
  43 cd $SRCDIR || exit $MR_MKCRED
  44
  45 # Extract everything
  46 tar xpf $TARFILE || exit $MR_TARERR
  47
  48 for type in dirs quotas; do
  49     echo "Installing ${type}:"
  50     for i in $uchost.$type; do
  51         if [ -f $i ]; then
  52             # Convert from the filename HOST.@dev@device.type to /dev/device
  53             dev=`echo $i | sed "s,.${type},," | sed "s,${uchost}.,," | \
  54                 sed "s,@,/,g"`
  55             echo ${uchost}:$dev
  56             ./install_${type} $dev < $i
  57             if [ $? != 0 ]; then
  58                 exit $MR_NOCRED
  59             fi
  60             if [ ${type} = "quotas" ]; then
  61                 ./zero_quotas $dev < $i
  62                 if [ $? != 0 ]; then
  63                     exit $MR_NOCRED
  64                 fi
  65             fi
  66             mv -f $i /var/tmp
  67         fi
  68     done
  69 done
  70
  71 # build new credentials files
  72 rm -f $creddir/credentials.new
  73 cp ${uchost}.cred $creddir/credentials.new
  74 if [ $? != 0 ]; then
  75     exit $MR_NOCRED
  76 fi
  77 if [ -s $creddir/credentials.local ]; then
  78     cat $creddir/credentials.local >> $creddir/credentials.new
  79 fi
  80
  81 # After this point, if /tmp gets cleared out by reactivate (which happens
  82 # on a combined server/workstation), we don't care.
  83 mkcred $creddir/credentials.new
  84 if [ $? != 0 ]; then
  85     exit $MR_MKCRED
  86 fi
  87
  88 # Try to install the files
  89 for e in "" .dir .pag; do
  90     mv -f $creddir/credentials.new$e $creddir/credentials$e
  91 done
  92
  93 # If any of them didn't get installed, fail
  94 for e in "" .dir .pag; do
  95     if [ ! -f $creddir/credentials$e ]; then
  96         exit $MR_NOCRED
  97     fi
  98 done
  99
 100 # cleanup
 101 cd /
 102 rm -rf $SRCDIR
 103 test -f $TARFILE && rm -f $TARFILE
 104 test -f $0 && rm -f $0
 105
 106 exit 0