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Commit | Line | Data |
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ce52ba53 | 1 | #!/bin/sh |
5eaef520 | 2 | # This script performs updates of hesiod files on hesiod servers. |
f8f5fe16 | 3 | # $Header$ |
4 | ||
f4f32185 | 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 | ||
ce52ba53 | 11 | set -x |
12 | ||
13 | PATH=/etc:/bin:/usr/bin:/usr/etc:/usr/athena/etc | |
14 | export PATH | |
39f6c9df | 15 | |
16 | # The following exit codes are defined and MUST BE CONSISTENT with the | |
59ec8dae | 17 | # error codes the library uses: |
ce52ba53 | 18 | MR_HESFILE=47836472 |
19 | MR_MISSINGFILE=47836473 | |
20 | MR_NAMED=47836475 | |
21 | MR_TARERR=47836476 | |
39f6c9df | 22 | |
ce52ba53 | 23 | umask 022 |
abe0e1b9 | 24 | |
39f6c9df | 25 | # File that will contain the necessary information to be updated |
80349f41 | 26 | TARFILE=/var/tmp/hesiod.out |
39f6c9df | 27 | # Directory into which we will empty the tarfile |
ce52ba53 | 28 | SRC_DIR=/etc/athena/_nameserver |
39f6c9df | 29 | # Directory into which we will put the final product |
ce52ba53 | 30 | DEST_DIR=/etc/athena/nameserver |
31 | ||
32 | NAMED=/etc/athena/named | |
33 | NAMED_PID=/var/athena/named.pid | |
39f6c9df | 34 | |
35 | # Create the destination directory if it doesn't exist | |
ce52ba53 | 36 | if test ! -d $DEST_DIR |
37 | then | |
f8f5fe16 | 38 | rm -f $DEST_DIR |
39 | mkdir $DEST_DIR | |
40 | chmod 755 $DEST_DIR | |
ce52ba53 | 41 | fi |
39f6c9df | 42 | |
abe0e1b9 | 43 | # If $SRC_DIR does not already exist, make sure that it gets created |
44 | # on the same parition as $DEST_DIR. | |
ce52ba53 | 45 | if test ! -d $SRC_DIR |
46 | then | |
f2a412ca | 47 | cd $DEST_DIR |
abe0e1b9 | 48 | mkdir ../_nameserver |
f2a412ca | 49 | cd ../_nameserver |
ce52ba53 | 50 | if test $SRC_DIR != `pwd` |
51 | then | |
f8f5fe16 | 52 | ln -s `pwd` $SRC_DIR |
ce52ba53 | 53 | fi |
54 | fi | |
55 | ||
56 | # make sure SRC_DIR is empty | |
57 | /bin/rm -rf $SRC_DIR/* | |
39f6c9df | 58 | |
59 | # Alert if tarfile doesn't exist | |
ce52ba53 | 60 | if test ! -r $TARFILE |
61 | then | |
62 | exit $MR_MISSINGFILE | |
63 | fi | |
39f6c9df | 64 | |
de56407f | 65 | cd $SRC_DIR |
ce52ba53 | 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 | |
39f6c9df | 74 | # Make sure the file is not zero-length |
ce52ba53 | 75 | if test ! -z $file |
76 | then | |
f8f5fe16 | 77 | mv -f $file $DEST_DIR |
ce52ba53 | 78 | if test $? -ne 0 |
79 | then | |
80 | exit $MR_HESFILE | |
81 | fi | |
39f6c9df | 82 | else |
f8f5fe16 | 83 | rm -f $file |
2ce085d2 | 84 | exit $MR_MISSINGFILE |
ce52ba53 | 85 | fi |
86 | done | |
de56407f | 87 | |
39f6c9df | 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 | ||
f8f5fe16 | 92 | # First, get statistics |
0041862d | 93 | /usr/athena/etc/rndc stats |
f8f5fe16 | 94 | sleep 1 |
ce52ba53 | 95 | kill -KILL `cat $NAMED_PID` |
96 | rm -f $NAMED_PID | |
39f6c9df | 97 | |
98 | # Restart named. | |
ce52ba53 | 99 | $NAMED |
d7e5ee08 | 100 | echo named started |
39f6c9df | 101 | |
ce52ba53 | 102 | sleep 1 |
39f6c9df | 103 | # This timeout is implemented by having the shell check TIMEOUT times |
ce52ba53 | 104 | # for the existance of $NAMED_PID and to sleep INTERVAL seconds |
39f6c9df | 105 | # between each check. |
106 | ||
ce52ba53 | 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 | |
39f6c9df | 116 | sleep $INTERVAL |
ce52ba53 | 117 | i=`expr $i + 1` |
118 | done | |
d7e5ee08 | 119 | echo out of timeout loop |
39f6c9df | 120 | # Did it time out? |
ce52ba53 | 121 | if test $i -eq $TIMEOUT |
122 | then | |
123 | exit $MR_NAMED | |
124 | fi | |
d7e5ee08 | 125 | echo no timeout |
39f6c9df | 126 | # Clean up! |
f8f5fe16 | 127 | rm -f $TARFILE |
d7e5ee08 | 128 | echo removed tarfile |
f8f5fe16 | 129 | rm -f $0 |
d7e5ee08 | 130 | echo removed self |
f89684dc | 131 | |
39f6c9df | 132 | exit 0 |