]>
Commit | Line | Data |
---|---|---|
c4532a20 SH |
1 | #!/bin/bash |
2 | ||
3 | # lxc: linux Container library | |
4 | ||
5 | # Authors: | |
6 | # Serge Hallyn <serge.hallyn@ubuntu.com> | |
7 | # | |
8 | # This is a test for dependency between snapshots | |
9 | # | |
10 | # When container c2 is created as an overlayfs clone of c1, then | |
11 | # we record it as such, because c1 cannot be deleted until c2 is | |
12 | # deleted. Once c2 is deleted, c1 should be delete-able. | |
13 | ||
14 | # This library is free software; you can redistribute it and/or | |
15 | # modify it under the terms of the GNU Lesser General Public | |
16 | # License as published by the Free Software Foundation; either | |
17 | # version 2.1 of the License, or (at your option) any later version. | |
18 | ||
19 | # This library is distributed in the hope that it will be useful, | |
20 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
22 | # Lesser General Public License for more details. | |
23 | ||
24 | # You should have received a copy of the GNU Lesser General Public | |
25 | # License along with this library; if not, write to the Free Software | |
26 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
27 | ||
28 | # This test assumes an Ubuntu host | |
29 | ||
30 | set -e | |
31 | ||
32 | if ! grep -q overlay /proc/filesystems; then | |
33 | echo "Not running this test as overlay is not available" | |
34 | exit 0 | |
35 | fi | |
36 | ||
37 | cleanup() { | |
38 | for i in `seq 1 20`; do | |
39 | lxc-destroy -n snapdeptest$i > /dev/null 2>&1 || true | |
40 | done | |
41 | lxc-destroy -n snapdeptest > /dev/null 2>&1 || true | |
42 | } | |
43 | ||
44 | verify_deps() { | |
45 | n=$1 | |
46 | m=`wc -l /var/lib/lxc/snapdeptest/lxc_snapshots | awk '{ print $1 }'` | |
47 | [ $((n*2)) -eq $m ] | |
48 | } | |
49 | ||
50 | cleanup | |
51 | ||
52 | trap cleanup EXIT SIGHUP SIGINT SIGTERM | |
53 | ||
54 | lxc-create -t busybox -n snapdeptest | |
d0a6bd39 | 55 | lxc-copy -s -n snapdeptest -N snapdeptest1 |
c4532a20 SH |
56 | fail=0 |
57 | lxc-destroy -n snapdeptest || fail=1 | |
58 | if [ $fail -eq 0 ]; then | |
59 | echo "FAIL: clone did not prevent deletion" | |
60 | false | |
61 | fi | |
62 | ||
63 | for i in `seq 2 20`; do | |
d0a6bd39 | 64 | lxc-copy -s -n snapdeptest -N snapdeptest$i |
c4532a20 SH |
65 | done |
66 | ||
67 | verify_deps 20 | |
68 | ||
69 | lxc-destroy -n snapdeptest1 | |
70 | ||
71 | verify_deps 19 | |
72 | ||
73 | lxc-destroy -n snapdeptest20 | |
74 | ||
75 | verify_deps 18 | |
76 | ||
77 | for i in `seq 2 19`; do | |
78 | lxc-destroy -n snapdeptest$i | |
79 | done | |
80 | ||
81 | lxc-destroy -n snapdeptest | |
82 | ||
83 | echo "Snapshot clone dependency test passed" | |
84 | exit 0 |