| | 1 | #!/bin/sh |
| | 2 | # This script performs updates of hesiod files on hesiod servers. |
| | 3 | # $Header$ |
| | 4 | |
| | 5 | if [ -d /var/athena ] && [ -w /var/athena ]; then |
| | 6 | exec >/var/athena/moira_update.log 2>&1 |
| | 7 | else |
| | 8 | exec >/tmp/moira_update.log 2>&1 |
| | 9 | fi |
| | 10 | |
| | 11 | set -x |
| | 12 | |
| | 13 | PATH=/etc:/bin:/usr/bin:/usr/etc:/usr/athena/etc |
| | 14 | export PATH |
| | 15 | |
| | 16 | # The following exit codes are defined and MUST BE CONSISTENT with the |
| | 17 | # error codes the library uses: |
| | 18 | MR_HESFILE=47836472 |
| | 19 | MR_MISSINGFILE=47836473 |
| | 20 | MR_NAMED=47836475 |
| | 21 | MR_TARERR=47836476 |
| | 22 | |
| | 23 | umask 022 |
| | 24 | |
| | 25 | # File that will contain the necessary information to be updated |
| | 26 | TARFILE=/var/tmp/hesiod.out |
| | 27 | # Directory into which we will empty the tarfile |
| | 28 | SRC_DIR=/etc/athena/_nameserver |
| | 29 | # Directory into which we will put the final product |
| | 30 | DEST_DIR=/etc/athena/nameserver |
| | 31 | |
| | 32 | NAMED=/etc/athena/named |
| | 33 | NAMED_PID=/var/athena/named.pid |
| | 34 | |
| | 35 | # Create the destination directory if it doesn't exist |
| | 36 | if test ! -d $DEST_DIR |
| | 37 | then |
| | 38 | rm -f $DEST_DIR |
| | 39 | mkdir $DEST_DIR |
| | 40 | chmod 755 $DEST_DIR |
| | 41 | fi |
| | 42 | |
| | 43 | # If $SRC_DIR does not already exist, make sure that it gets created |
| | 44 | # on the same parition as $DEST_DIR. |
| | 45 | if test ! -d $SRC_DIR |
| | 46 | then |
| | 47 | chdir $DEST_DIR |
| | 48 | mkdir ../_nameserver |
| | 49 | chdir ../_nameserver |
| | 50 | if test $SRC_DIR != `pwd` |
| | 51 | then |
| | 52 | ln -s `pwd` $SRC_DIR |
| | 53 | fi |
| | 54 | fi |
| | 55 | |
| | 56 | # make sure SRC_DIR is empty |
| | 57 | /bin/rm -rf $SRC_DIR/* |
| | 58 | |
| | 59 | # Alert if tarfile doesn't exist |
| | 60 | if test ! -r $TARFILE |
| | 61 | then |
| | 62 | exit $MR_MISSINGFILE |
| | 63 | fi |
| | 64 | |
| | 65 | cd $SRC_DIR |
| | 66 | tar xvf $TARFILE |
| | 67 | # Don't put up with errors extracting the information |
| | 68 | if test $? -ne 0 |
| | 69 | then |
| | 70 | exit $MR_TARERR |
| | 71 | fi |
| | 72 | for file in * |
| | 73 | do |
| | 74 | # Make sure the file is not zero-length |
| | 75 | if test ! -z $file |
| | 76 | then |
| | 77 | mv -f $file $DEST_DIR |
| | 78 | if test $? -ne 0 |
| | 79 | then |
| | 80 | exit $MR_HESFILE |
| | 81 | fi |
| | 82 | else |
| | 83 | rm -f $file |
| | 84 | exit $MR_MISSINGFILE |
| | 85 | fi |
| | 86 | done |
| | 87 | |
| | 88 | # Kill off the current named and remove the named.pid file. It is |
| | 89 | # important that this file be removed since the script uses its |
| | 90 | # existance as evidence that named as has been successfully restarted. |
| | 91 | |
| | 92 | # First, get statistics |
| | 93 | kill -ILL `cat $NAMED_PID` |
| | 94 | sleep 1 |
| | 95 | kill -KILL `cat $NAMED_PID` |
| | 96 | rm -f $NAMED_PID |
| | 97 | |
| | 98 | # Restart named. |
| | 99 | $NAMED |
| | 100 | echo named started |
| | 101 | |
| | 102 | sleep 1 |
| | 103 | # This timeout is implemented by having the shell check TIMEOUT times |
| | 104 | # for the existance of $NAMED_PID and to sleep INTERVAL seconds |
| | 105 | # between each check. |
| | 106 | |
| | 107 | TIMEOUT=60 # number of INTERVALS until timeout |
| | 108 | INTERVAL=60 # number of seconds between checks |
| | 109 | i=0 |
| | 110 | while test $i -lt $TIMEOUT |
| | 111 | do |
| | 112 | if test -f $NAMED_PID |
| | 113 | then |
| | 114 | break |
| | 115 | fi |
| | 116 | sleep $INTERVAL |
| | 117 | i=`expr $i + 1` |
| | 118 | done |
| | 119 | echo out of timeout loop |
| | 120 | # Did it time out? |
| | 121 | if test $i -eq $TIMEOUT |
| | 122 | then |
| | 123 | exit $MR_NAMED |
| | 124 | fi |
| | 125 | echo no timeout |
| | 126 | # Clean up! |
| | 127 | rm -f $TARFILE |
| | 128 | echo removed tarfile |
| | 129 | rm -f $0 |
| | 130 | echo removed self |
| | 131 | |
| | 132 | exit 0 |
andersk / moira.git / blame_incremental