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1 | #!/bin/bash | |
2 | # | |
3 | # This script will make a simple backup of the most critical partitions, | |
4 | # using the "dump" facility, into the backup partition. It will stop the | |
5 | # webserver, and recurse the sites directories making a tar mini-backup of | |
6 | # the database dirs. It will the restart the webserver, and start the | |
7 | # "dump" backup. | |
8 | # | |
9 | ||
10 | if [ "$2" = "nodumpdate" ]; then | |
11 | UPDATEDDATE="" | |
12 | else | |
13 | UPDATEDDATE="-u" | |
14 | fi | |
15 | ||
16 | if [ "$1" = "full" ]; then | |
17 | DLEVEL="0" | |
18 | BTYPE="full" | |
19 | BACKUP="Full" | |
20 | elif [ "$1" = "inc" ]; then | |
21 | DLEVEL="1" | |
22 | BTYPE="inc" | |
23 | BACKUP="Incremental" | |
24 | else | |
25 | echo "Usage: $0 full|inc [nodumpdate]" | |
26 | exit 1 | |
27 | fi | |
28 | ||
29 | ||
30 | # | |
31 | # Configuration Parameters | |
32 | # | |
33 | ||
34 | BACKUPPART=${BACKUPPART:-"/backup"} | |
35 | BACKUPDIR=${BACKUPDIR:-"current"} | |
36 | DUMPLOGARCH="$BACKUPPART/backup.dump.log.gz" | |
37 | FSTODUMP=${FSTODUMP:-/ /var /home /mnt/hdb1 /usr} | |
38 | DUMPFILESMODE="0644" | |
39 | DUMPFILESOWN="root.root" | |
40 | ||
41 | # | |
42 | # Start | |
43 | # | |
44 | ||
45 | echo | |
46 | echo "#####################################################################" | |
47 | echo "Starting ${BACKUP} backup." | |
48 | echo "#####################################################################" | |
49 | echo | |
50 | ||
51 | ||
52 | # | |
53 | # Make system backup | |
54 | # | |
55 | ||
56 | echo "### ${BACKUP} System Dump Backup ###" | |
57 | echo "Using backup partition: $BACKUPPART" | |
58 | echo "Filesystems to dump: $FSTODUMP" | |
59 | ||
60 | echo -n "Remounting backup partition read-write ... " | |
61 | if ( mount $BACKUPPART -o remount,rw &> /dev/null ) then | |
62 | echo "done." | |
63 | else | |
64 | echo "failure!" | |
65 | echo " There were problems remounting $BACKUPPART in read-write mode!" | |
66 | echo "Aborting ${BACKUP} System Dump Backup." | |
67 | echo "Aborted." | |
68 | echo "-------------------------------------------------------------------------------" | |
69 | exit 1 | |
70 | fi | |
71 | ||
72 | echo -n "Checking backup partition for correct dir structure ... " | |
73 | if [ -d $BACKUPPART/$BACKUPDIR -a -w $BACKUPPART/$BACKUPDIR ]; then | |
74 | echo "done." | |
75 | ||
76 | echo -n "Checking backup partition for available space ... " | |
77 | SREQ=`for i in $FSTODUMP;do dump -$DLEVEL -S $i 2> /dev/null;done|awk '{x=x+$1/1048576} END {printf "%6.0f\n", x}'` | |
78 | SAVAILFREE=`df --block-size=1048576 |grep -Ew $BACKUPPART|awk '{printf "%6.0f\n", $4}'` | |
79 | SAVAILDEL=`du -s --block-size=1048576 $BACKUPPART/$BACKUPDIR/. |awk '{printf "%6.0f\n", $1}'` | |
80 | SAVAIL=`expr $SAVAILFREE + $SAVAILDEL` | |
81 | ||
82 | if [ `expr $SAVAIL - $SREQ` -gt "0" ]; then | |
83 | echo "done." | |
84 | echo "Available: $SAVAIL MB Required: $SREQ MB." | |
85 | else | |
86 | echo "no enough space!" | |
87 | echo "There is not enough space left in $BACKUPPART for the backup!" | |
88 | echo "Available: $SAVAIL MB Required: $SREQ MB." | |
89 | echo -n "Remounting backup partition read-only ... " | |
90 | if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then | |
91 | echo "done." | |
92 | else | |
93 | echo "failure!" | |
94 | echo "There were problems remounting $BACKUPPART in read-only mode!" | |
95 | echo "Aborting ${BACKUP} System Dump Backup." | |
96 | echo "Aborted." | |
97 | echo "-------------------------------------------------------------------------------" | |
98 | exit 1 | |
99 | fi | |
100 | echo "Aborting ${BACKUP} System Dump Backup." | |
101 | echo "Aborted." | |
102 | echo "-------------------------------------------------------------------------------" | |
103 | exit 1 | |
104 | fi | |
105 | ||
106 | echo -n "Deleting old files ... " | |
107 | if [ `ls -la $BACKUPPART/$BACKUPDIR/|wc -l` -gt "3" ]; then | |
108 | rm -f $BACKUPPART/$BACKUPDIR/* &> /dev/null | |
109 | echo "done." | |
110 | else | |
111 | echo "no old files to delete." | |
112 | fi | |
113 | ||
114 | echo "Dumping filesystems ... " | |
115 | for FS in $FSTODUMP | |
116 | do | |
117 | if [ "$FS" = "/" ]; then | |
118 | FSNAME="root" | |
119 | else | |
120 | FSNAME=`echo $FS|tr / _|cut -b 2-` | |
121 | fi | |
122 | sync | |
123 | echo -n "Starting dump of $FSNAME ( $FS ) ... " | |
124 | if ( dump -$DLEVEL $UPDATEDDATE -z -M -s 27306 -f $BACKUPPART/$BACKUPDIR/$FSNAME.$BTYPE. $FS &> $BACKUPPART/$BACKUPDIR/$FSNAME.log ) then | |
125 | echo "done." | |
126 | else | |
127 | echo "problems!" | |
128 | echo "There where problems with the dump of $FSNAME ( $FS )." | |
129 | echo "Check logfile $BACKUPPART/$BACKUPDIR/$FSNAME.log for more info" | |
130 | echo "Also check log archive file $DUMPLOGARCH." | |
131 | fi | |
132 | cat $BACKUPPART/$BACKUPDIR/$FSNAME.log |gzip >> $DUMPLOGARCH | |
133 | echo "-------------------------------------------------------------------------------" |gzip >> $DUMPLOGARCH | |
134 | done | |
135 | ||
136 | echo -n "Setting ownership and permissions of dump files ... " | |
137 | chmod $DUMPFILESMODE $BACKUPPART/$BACKUPDIR/* $DUMPLOGARCH &> /dev/null | |
138 | chown $DUMPFILESOWN $BACKUPPART/$BACKUPDIR/* $DUMPLOGARCH &> /dev/null | |
139 | echo "done." | |
140 | ||
141 | echo -n "Compressing dump log files ... " | |
142 | gzip $BACKUPPART/$BACKUPDIR/*.log &> /dev/null | |
143 | echo "done." | |
144 | sync | |
145 | ||
146 | else | |
147 | echo "problems!" | |
148 | echo "There are problems with the directory structure." | |
149 | echo "Check dirs: $BACKUPPART/$BACKUPDIR" | |
150 | echo -n "Remounting backup partition read-only ... " | |
151 | if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then | |
152 | echo "done." | |
153 | else | |
154 | echo "failure!" | |
155 | echo "There were problems remounting $BACKUPPART in read-only mode!" | |
156 | echo "Aborting ${BACKUP} System Dump Backup." | |
157 | echo "Aborted." | |
158 | echo "-------------------------------------------------------------------------------" | |
159 | exit 1 | |
160 | fi | |
161 | echo "Aborting ${BACKUP} System Dump Backup." | |
162 | echo "Aborted." | |
163 | echo "-------------------------------------------------------------------------------" | |
164 | exit 1 | |
165 | fi | |
166 | ||
167 | echo -n "Remounting backup partition read-only ... " | |
168 | if ( mount $BACKUPPART -o remount,ro &> /dev/null ) then | |
169 | echo "done." | |
170 | else | |
171 | echo "failure!" | |
172 | echo "There were problems remounting $BACKUPPART in read-only mode!" | |
173 | echo "Aborting ${BACKUP} System Dump Backup." | |
174 | echo "Aborted." | |
175 | echo "-------------------------------------------------------------------------------" | |
176 | exit 1 | |
177 | fi | |
178 | ||
179 | echo "### End of ${BACKUP} System Dump Backup ###" | |
180 | echo "Done." | |
181 | echo "-------------------------------------------------------------------------------" |