blob: 0db62a3203630f2df0022662e95bd81335e2d664 (
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
|
#!/bin/bash
#
# This is a simple backup script using duplicity. It's supposed to serve as a
# starting point and to be adjusted to your system.
#
# Important steps:
# - define a host "backup" in root's .ssh/config
# - read the script and adjust to your needs
set -e
main() {
if [[ $UID != 0 ]]; then
exec sudo "$0" "$@"
fi
TMPDIR="$(mktemp -d "/tmp/${0##*/}.XXXXXX")"
trap "rm -rf '${TMPDIR}'" EXIT TERM
# ensure duplicity keeps its cache at a central location
export HOME=/root
# if you want to encrypt the backups remove --no-encryption in the duplicity call
# and uncomment the lines that contain PASSPHRASE
#PASSPHRASE="randomstringhere"
# these mountpoints will be excluded
excludeMountpoints=(
/tmp/
/sys/
/dev/
/proc/
/run/
/mnt/levant/nfs/
/media/
)
# first line that matches wins
IFS='' read -r -d '' excludeList <<EOF || true
+ /home/flo/.local/share/Steam/steamapps/common/Counter-Strike Global Offensive/csgo/cfg
- /home/*/.local/share/Steam/steamapps/common/*/*
- /home/*/.cache/*
- /home/*/.claws-mail/*
- /root/.cache/*
- /var/cache/pacman/pkg/*
EOF
exclude_mountpoints
echo "$excludeList" > "$TMPDIR/exclude-list"
# save some data that's useful for restores
backupDataDir=/root/backup-data/
mkdir -p "$backupDataDir"
fdisk -l > "$backupDataDir/fdisk"
vgdisplay > "$backupDataDir/vgdisplay"
pvdisplay > "$backupDataDir/pvdisplay"
lvdisplay > "$backupDataDir/lvdisplay"
lvdisplay > "$backupDataDir/lvdisplay"
df -a > "$backupDataDir/df"
findmnt -l > "$backupDataDir/findmnt"
# this does not ignore /proc and network mounts so it's not that useful :(
#find / | gzip > /root/full-file-list.txt.gz
backup / sftp://backup/$HOSTNAME-backup/full-backup/ --exclude-filelist "$TMPDIR/exclude-list"
}
backup() {
local src=$1
local dest=$2
shift 2
#export PASSPHRASE
duplicity \
-v2 \
--numeric-owner \
--volsize 150 \
--allow-source-mismatch \
--asynchronous-upload \
--full-if-older-than 30D \
--no-encryption \
"$@" "$src" "$dest"
duplicity --force remove-older-than 120D "$dest"
#export PASSPHRASE=""
}
### support functions below ###
##
# usage : in_array( $needle, $haystack )
# return : 0 - found
# 1 - not found
##
in_array() {
local needle=$1; shift
local item
for item in "$@"; do
[[ $item = "$needle" ]] && return 0 # Found
done
return 1 # Not Found
}
# same as in_array except 0 is returned if any item in haystack starts with needle
in_array_startswith() {
local needle=$1; shift
local item
for item in "$@"; do
[[ "$needle" == "$item"* ]] && return 0 # Found
done
return 1 # Not Found
}
exclude_mountpoints() {
local error=0
for fs in "${excludeMountpoints[@]}"; do
if [[ $fs != */ ]]; then
error=1
echo "Error: excludeMountpoints entry doesn't end with /: $fs" >&2
fi
excludeList+="- $fs*"$'\n'
done
while read line; do
local mountpoint=$(echo "$line" | cut -d\ -f2 | sed 's#\040# #g;')
type=$(echo "$line" | cut -d\ -f3)
if in_array $type fuse.sshfs tmpfs cifs nfs fuseblk; then
if ! in_array_startswith "$mountpoint/" "${excludeMountpoints[@]}"; then
error=1
echo "Warning: mountpoint not excluded: $mountpoint" >&2
fi
fi
done </etc/mtab
if ((error)); then
exit 1
fi
}
main "$@"
|
