]>
Commit | Line | Data |
---|---|---|
1733496b | 1 | #!/bin/bash |
6a33575a SP |
2 | |
3 | ### | |
4 | # Copyright (C) 2001 Eugenio Diaz <getnito@yahoo.com> | |
5 | # | |
6 | # Redistribution and use in source and binary forms, with or without | |
7 | # modification, are permitted provided that the following conditions | |
8 | # are met: | |
9 | # | |
10 | # 1. Redistributions of source code must retain the above copyright | |
11 | # notice, this list of conditions and the following disclaimer. | |
12 | # 2. Redistributions in binary form must reproduce the above | |
13 | # copyright notice, this list of conditions and the following | |
14 | # disclaimer in the documentation and/or other materials provided | |
15 | # with the distribution. | |
16 | # 3. Neither the name of the University nor the names of its | |
17 | # contributors may be used to endorse or promote products derived | |
18 | # from this software without specific prior written permission. | |
19 | # | |
20 | # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' | |
21 | # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
22 | # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
23 | # PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS | |
24 | # OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
25 | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
26 | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | |
27 | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
28 | # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
29 | # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
30 | # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | # SUCH DAMAGE. | |
32 | # | |
33 | ## | |
34 | # | |
35 | # This script will redirect the backup directory to implement desired | |
36 | # backup schedules. | |
37 | # | |
38 | # We will use just a seven day format where we just move a link that | |
39 | # represents the backup directory, to point to the day of the week. | |
40 | ## | |
41 | ||
1733496b SP |
42 | |
43 | # | |
44 | # Configuration Parameters | |
45 | # | |
46 | ||
47 | if [ "$1" = "monthly" ]; then | |
48 | REALDIR="monthly" | |
49 | else | |
50 | REALDIR=`date +%A` | |
51 | fi | |
52 | ||
b35abb32 SP |
53 | BACKUPPART=${BACKUPPART:-"/backup"} |
54 | BACKUPDIR=${BACKUPDIR:-"current"} | |
1733496b SP |
55 | |
56 | echo "### Start of Backup Rotation ###" | |
57 | echo "Using backup partition: $BACKUPPART" | |
58 | ||
59 | echo -n "Remounting backup partition read-write ... " | |
60 | if ( mount $BACKUPPART -o remount,rw &> /dev/null ) then | |
61 | echo "done." | |
62 | else | |
63 | echo "failure!" | |
6a33575a | 64 | echo "There were problems remounting $BACKUPPART in read-write mode!" |
1733496b SP |
65 | echo "Rotation not made!" |
66 | echo "### End of Backup Rotation ###" | |
67 | exit 1 | |
68 | fi | |
69 | ||
70 | echo -n "Checking that no directory named \"$BACKUPDIR\" exists ... " | |
71 | if [ -d $BACKUPPART/$BACKUPDIR -a ! -L $BACKUPPART/$BACKUPDIR ]; then | |
72 | echo "failure!" | |
6a33575a | 73 | echo "Directory \"$BACKUPDIR\" exists. Can't create link!" |
1733496b SP |
74 | echo "Rotation not made!" |
75 | ||
76 | echo -n "Remounting backup partition read-only ... " | |
77 | if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then | |
78 | echo "done." | |
79 | else | |
80 | echo "failure!" | |
6a33575a | 81 | echo "There were problems remounting $BACKUPPART in read-only mode!" |
1733496b SP |
82 | echo "### End of Backup Rotation ###" |
83 | exit 1 | |
84 | fi | |
85 | echo "### End of Backup Rotation ###" | |
86 | exit 1 | |
87 | else | |
88 | echo "done." | |
89 | fi | |
90 | ||
91 | cd $BACKUPPART | |
92 | ||
93 | echo -n "Creating link: $BACKUPDIR --> $REALDIR ... " | |
94 | if ( ln -snf $REALDIR $BACKUPDIR &> /dev/null ) then | |
95 | echo "done." | |
96 | else | |
97 | echo "failure!" | |
6a33575a | 98 | echo "There were problems creating link!" |
1733496b SP |
99 | echo "Rotation not made!" |
100 | ||
101 | echo -n "Remounting backup partition read-only ... " | |
102 | if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then | |
103 | echo "done." | |
104 | else | |
105 | echo "failure!" | |
6a33575a | 106 | echo "There were problems remounting $BACKUPPART in read-only mode!" |
1733496b SP |
107 | echo "### End of Backup Rotation ###" |
108 | exit 1 | |
6a33575a | 109 | fi |
1733496b SP |
110 | echo "### End of Backup Rotation ###" |
111 | exit 1 | |
112 | fi | |
113 | ||
114 | echo -n "Remounting backup partition read-only ... " | |
115 | if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then | |
116 | echo "done." | |
117 | else | |
118 | echo "failure!" | |
6a33575a | 119 | echo "There were problems remounting $BACKUPPART in read-only mode!" |
1733496b SP |
120 | echo "### End of Backup Rotation ###" |
121 | exit 1 | |
122 | fi | |
123 | echo "### End of Backup Rotation ###" | |
6a33575a SP |
124 | |
125 | ## end of script |