blob: 0be98dc069eabdb00c0d2d73e9a18821d81e6e0b (
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
170
171
172
173
174
175
176
177
|
#!/bin/bash
LVM_DEFINED=0
LVM_PREFIX="patchy_snap"
LVM_COUNT=0
VHD_SIZE="1G"
function init_lvm() {
if [ "$1" == "" ]; then
echo "Error: Invalid argument supplied"
return 1
fi
LVM_COUNT=$1
if [ "$2" != "" ]; then
VHD_SIZE=$2
fi
local b
local i
if [ "$B1" = "" ]; then
B1=$B0
fi
for i in `seq 1 $LVM_COUNT`; do
b="B$i"
if [ "${!b}" = "" ]; then
echo "Error: $b not defined."
echo "Please run launch_cluster with atleast $LVM_COUNT nodes"
return 1
fi
eval "L$i=${!b}/${LVM_PREFIX}_mnt"
l="L$i"
mkdir -p ${!l}
if [ $? -ne 0 ]; then
echo "Error: failed to create dir ${!l}"
return 1
fi
eval "VG$i=${LVM_PREFIX}_vg_${i}"
done
LVM_DEFINED=1
return 0
}
function setup_lvm() {
init_lvm $@ || return 1
_setup_lvm
return 0
}
function cleanup_lvm() {
pkill gluster
if [ "$LVM_DEFINED" = "1" ]; then
_cleanup_lvm
fi
_cleanup_lvm_again >/dev/null 2>&1
return 0
}
########################################################
# Private Functions
########################################################
function _setup_lvm() {
local count=$LVM_COUNT
local b
local i
for i in `seq 1 $count`; do
b="B$i"
_create_vhd ${!b} $i
_create_lv ${!b} $i
_mount_lv $i
done
}
function _cleanup_lvm() {
local count=$LVM_COUNT
local b
local i
for i in `seq 1 $count`; do
b="B$i"
_umount_lv $i
_remove_lv $i
_remove_vhd ${!b}
done
}
function _cleanup_lvm_again() {
local file
mount | grep $LVM_PREFIX | awk '{print $3}' | xargs -r umount -f
/sbin/vgs | grep $LVM_PREFIX | awk '{print $1}' | xargs -r vgremove -f
find $B0 -name "${LVM_PREFIX}_loop" | xargs -r losetup -d
find $B0 -name "${LVM_PREFIX}*" | xargs -r rm -rf
find /run/gluster/snaps -name "*${LVM_PREFIX}*" | xargs -r rm -rf
for file in `ls /run/gluster/snaps`; do
find /run/gluster/snaps/$file -mmin -2 | xargs -r rm -rf
done
}
########################################################
########################################################
function _create_vhd() {
local dir=$1
local num=$2
local loop_num=`expr $2 + 8`
fallocate -l${VHD_SIZE} $dir/${LVM_PREFIX}_vhd
mknod -m660 $dir/${LVM_PREFIX}_loop b 7 $loop_num
/sbin/losetup $dir/${LVM_PREFIX}_loop $dir/${LVM_PREFIX}_vhd
}
function _create_lv() {
local dir=$1
local num=$2
local vg="VG$num"
/sbin/pvcreate $dir/${LVM_PREFIX}_loop
/sbin/vgcreate ${!vg} $dir/${LVM_PREFIX}_loop
/sbin/lvcreate -l 100%FREE -T /dev/${!vg}/thinpool
/sbin/lvcreate -V $VHD_SIZE -T /dev/${!vg}/thinpool -n brick_lvm
mkfs.xfs -f /dev/${!vg}/brick_lvm
}
function _mount_lv() {
local num=$1
local vg="VG$num"
local l="L$num"
mount -t xfs -o nouuid /dev/${!vg}/brick_lvm ${!l}
}
function _umount_lv() {
local num=$1
local l="L$num"
umount -f ${!l} 2>/dev/null || true
rmdir ${!l} 2>/dev/null || true
}
function _remove_lv() {
local num=$1
local vg="VG$num"
vgremove -f ${!vg}
}
function _remove_vhd() {
local dir=$1
losetup -d $dir/${LVM_PREFIX}_loop
rm -f $dir/${LVM_PREFIX}_loop
rm -f $dir/${LVM_PREFIX}_vhd
}
########################################################
# Utility Functions
########################################################
function snapshot_exists() {
local snapname=$1
$CLI snapshot list | egrep -q "\s$snapname\b"
return $?
}
|