blob: 5f506747e055ce36a4eeeaa271c028059e3c5ef5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
#!/bin/bash
#set -x
# get path to all needed tools
# /bin
date=$(which date)
echo=$(which echo)
grep=$(which grep)
mktemp=$(which mktemp)
mv=$(which mv)
pwd=$(which pwd)
rm=$(which rm)
sed=$(which sed)
# /usr/bin
cut=$(which cut)
dirname=$(which dirname)
expr=$(which expr)
head=$(which head)
nice=$(which nice)
ssh=$(which ssh)
tail=$(which tail)
# check if all needed tools are installed (only the ones not installed under /bin/)
alltoolsinstalled="yes"
test "$cut" = "" && echo "'cut' not installed or not found by 'which'" && alltoolsinstalled="no"
test "$dirname" = "" && echo "'dirname' not installed or not found by 'which'" && alltoolsinstalled="no"
test "$expr" = "" && echo "'expr' not installed or not found by 'which'" && alltoolsinstalled="no"
test "$head" = "" && echo "'head' not installed or not found by 'which'" && alltoolsinstalled="no"
test "$nice" = "" && echo "'nice' not installed or not found by 'which'" && alltoolsinstalled="no"
test "$ssh" = "" && echo "'ssh' not installed or not found by 'which'" && alltoolsinstalled="no"
test "$tail" = "" && echo "'tail' not installed or not found by 'which'" && alltoolsinstalled="no"
if [ "$alltoolsinstalled" = "no" ]
then
exit 1
fi
# main configuration
script_dir="$( cd "$( $dirname "${BASH_SOURCE[0]}" )" && $pwd )"
config_file="$script_dir/main.cfg"
# timestamps yyyy-mm-dd and unixtime for calculating
backup_stamp=$($date +%F)
backup_time=$($date -d$backup_stamp +%s)
# source a specified section from a specified config
function source_section {
config_name="$1"
section_name="$2"
section_start="^\[$section_name\]$"
section_end="^\[/$section_name\]$"
line_start=$($grep -n "$section_start" "$config_name" | $cut -d: -f1)
line_end=$($expr $($grep -n "$section_end" "$config_name" | $cut -d: -f1) - 1)
line_diff=$($expr $line_end - $line_start)
tmp_file=$($mktemp)
$head -n $line_end "$config_name" | $tail -n $line_diff > "$tmp_file"
source "$tmp_file"
$rm -f "$tmp_file"
}
# check if borg repo exists and create if not
function check_borg_repo {
repo="$1"
serverdir="$2"
usesamerepo="$3"
if [ "$usesamerepo" = "yes" ]
then
repo_path="$userserver:$backupdir/$serverdir"
else
repo_path="$userserver:$backupdir/$serverdir/$repo"
fi
#check if repo exists
$borg_local_path list --remote-path "$borg_remote_path" --no-files-cache "$repo_path" > /dev/null 2>&1
if [ $? -ne 0 ]
then
# create repo if not exists
$borg_local_path init --remote-path "$borg_remote_path" --encryption "$borg_encryption" "$repo_path"
fi
}
# backup single dir with borg
function backup_dir {
repo="$1"
serverdir="$2"
logfileentry="$3"
usesamerepo="$4"
check_borg_repo "$repo" "$serverdir" "$usesamerepo"
# to get backup.ignore work with relative paths we need to change the directory
pushd "$repo" > /dev/null
if [ "$usesamerepo" = "yes" ]
then
repo_path="$userserver:$backupdir/$serverdir::$repo-{now:$default_timestamp}"
else
repo_path="$userserver:$backupdir/$serverdir/$repo::{now:$default_timestamp}"
fi
ret=0
if [ -f "backup.ignore" ]
then
$borg_local_path create --remote-path "$borg_remote_path" --one-file-system --exclude-from "backup.ignore" --compression "$borg_compression" "$repo_path" .
ret=$?
else
$borg_local_path create --remote-path "$borg_remote_path" --one-file-system --compression "$borg_compression" "$repo_path" .
ret=$?
fi
popd > /dev/null
if [ $ret -eq 0 ]
then
$sed -e "s/^$logfileentry .*$/${logfileentry} $backup_time/" "$logfile" > "$logfile.tmp"
$mv -f "$logfile.tmp" "$logfile"
else
$echo "problem in borg create $repo"
fi
}
# general section from main config
source_section "$config_file" "general"
# handle all specified configs
for config_single in $configs
do
# does the configuration file exists?
config_act="$confdir/$config_single"
if [ -e "$config_act" ]
then
# reset default settings
usesamerepo="no"
# general section from specific config
source_section "$config_act" "general"
# change folder for backup
pushd "$rootdir" > /dev/null
# handle all specified folders
for dir_single in $dirssingle
do
# check if folder exists
if [ -e "$dir_single" ]
then
# section for specified folder
source_section "$config_act" "$dir_single"
# rotate is done through days, so we have to know the interval in sections
rotate_stamp=$($expr $time \* 24 \* 60 \* 60)
# for new configurations that does not have a last timestamp we create a zero one
$grep "^${config_single}_$dir_single " $logfile > /dev/null 2>&1
if [ $? -ne 0 ]
then
$echo "${config_single}_$dir_single 0" >> $logfile
fi
# get the stamp for the last backup
last_stamp=$($grep "^${config_single}_$dir_single " $logfile | $cut -d" " -f2)
# get the stamp for the next backup
now_stamp=$($expr $last_stamp + $rotate_stamp)
do_backup="no"
# check wether it is time to do a backup by time and also month
if [ $now_stamp -le $backup_time ]
then
do_backup="yes"
fi
# now we are sure to do a backup
if [ "$do_backup" = "yes" ]
then
# backup everything
backup_dir "$dir_single" "$backupdirsingle" "${config_single}_$dir_single" "$usesamerepo"
fi # if [ "$do_backup" = "yes" ]
fi # if [ -e "$dir_single" ]
done # for dir_single in $dirssingle
# go back
popd > /dev/null
fi # if [ -e "$config_act" ]
done # for config_single in $configs
|