xref: /dragonfly/bin/cpdup/scripts/do_mirror_host (revision 36a3d1d6) 
1#!/bin/csh
2#
3# $DragonFly: src/bin/cpdup/scripts/do_mirror_host,v 1.2 2006/09/21 00:18:13 dillon Exp $
4
5source params
6
7if ( "$argv" == "" ) then
8    echo "Specify host mounted in $backup_nfs (e.g. 'apollo'), and level."
9    echo "Level 0 - full backup, do not use hardlink trick"
10    echo "Level 1 - full backup, use hardlink trick but verify each file"
11    echo "Level 2 - full backup, use hardlink trick and stat shortcut"
12    echo "./do_mirror_host <host> <level> > $backup_path/mirrors/<host>.log"
13    exit 1
14endif
15
16set date = `date "+%Y%m%d"`
17set host = "$argv[1]"
18set level = "$argv[2]"
19
20if ( ! -d $backup_nfs/$host ) then
21    echo "Host not found in $backup_nfs"
22    exit 1
23endif
24if ( ! -d $backup_path/mirrors/$host ) then
25    mkdir $backup_path/mirrors/$host
26endif
27
28# Target directory for this backup
29#
30set target = $host.$date
31if ( ! -d $backup_path/mirrors/$target ) then
32    mkdir -p $backup_path/mirrors/$target
33endif
34
35set failed = 0
36
37# Record log
38#
39rm -f $backup_path/mirrors/$target/{INPROGRESS,FAILED,SUCCEEDED}
40if ( -f $backup_path/mirrors/$host.log ) then
41    ln $backup_path/mirrors/$host.log $backup_path/mirrors/$target/INPROGRESS
42else
43    echo "NO LOG RECORDED" > $backup_path/mirrors/$target/INPROGRESS
44endif
45
46# Iterate subdirectories.  Each subdirectory is considered to be a separate
47# filesystem.
48#
49foreach fs ( $backup_nfs/$host/* )
50    set dirname = $fs:t
51
52    echo "Backing up $fs"
53    if ( ! -d $backup_path/mirrors/$target/$dirname ) then
54	mkdir -p $backup_path/mirrors/$target/$dirname
55    endif
56    if ( -f $fs/NOT_MOUNTED ) then
57	echo "NOT MOUNTED"
58	set failed = 1
59	continue
60    endif
61    switch ( $level )
62    case 0:
63	echo "cpdup -i0 -s0 -I $fs $backup_path/mirrors/$target/$dirname"
64	cpdup -i0 -s0 -I $fs $backup_path/mirrors/$target/$dirname
65	if ( $status != 0 ) then
66	    set failed = 1
67	endif
68	breaksw
69    case 1:
70	echo "cpdup -f -i0 -s0 -I -H $backup_path/mirrors/$host/$dirname $fs $backup_path/mirrors/$target/$dirname"
71	cpdup -f -i0 -s0 -I -H $backup_path/mirrors/$host/$dirname $fs $backup_path/mirrors/$target/$dirname
72	if ( $status != 0 ) then
73	    set failed = 1
74	endif
75	breaksw
76    case 2:
77	echo "cpdup -i0 -s0 -I -H $backup_path/mirrors/$host/$dirname $fs $backup_path/mirrors/$target/$dirname"
78	cpdup -i0 -s0 -I -H $backup_path/mirrors/$host/$dirname $fs $backup_path/mirrors/$target/$dirname
79	if ( $status != 0 ) then
80	    set failed = 1
81	endif
82	breaksw
83    default:
84	echo "UNKNOWN BACKUP LEVEL, USE ONLY 0-2"
85	set failed = 1
86	breaksw
87    endsw
88    sync
89    echo ""
90end
91
92# If we succeeded then set up a softlink so a higher level incremental
93# backup can locate the most recent version of the previous level,
94# another so we can locate the most recent backup period, and also
95# rename the log file.
96#
97if ( $failed == 0 ) then
98    rm -f $backup_path/mirrors/$host
99    ln -s "$host.$date" $backup_path/mirrors/$host
100    mv $backup_path/mirrors/$target/{INPROGRESS,SUCCEEDED}
101    sync
102    echo "SUCCEEDED"
103else
104    mv $backup_path/mirrors/$target/{INPROGRESS,FAILED}
105    sync
106    echo "FAILED"
107endif
108
109