projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 514d9da5 SH |
1 | #!/bin/bash |
| 2 | # | |
| 3 | # Test that qemu-img info --backing-chain detects infinite loops | |
| 4 | # | |
| 5 | # Copyright (C) 2012 Red Hat, Inc. | |
| 6 | # | |
| 7 | # This program is free software; you can redistribute it and/or modify | |
| 8 | # it under the terms of the GNU General Public License as published by | |
| 9 | # the Free Software Foundation; either version 2 of the License, or | |
| 10 | # (at your option) any later version. | |
| 11 | # | |
| 12 | # This program is distributed in the hope that it will be useful, | |
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | # GNU General Public License for more details. | |
| 16 | # | |
| 17 | # You should have received a copy of the GNU General Public License | |
| 18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | # | |
| 20 | ||
| 21 | # creator | |
| 22 | [email protected] | |
| 23 | ||
| 24 | seq=`basename $0` | |
| 25 | echo "QA output created by $seq" | |
| 26 | ||
| 27 | here=`pwd` | |
| 28 | tmp=/tmp/$$ | |
| 29 | status=1 # failure is the default! | |
| 30 | ||
| 31 | _cleanup() | |
| 32 | { | |
| 33 | _cleanup_test_img | |
| 34 | rm -f $TEST_IMG.[123].base | |
| 35 | } | |
| 36 | trap "_cleanup; exit \$status" 0 1 2 3 15 | |
| 37 | ||
| 38 | # get standard environment, filters and checks | |
| 39 | . ./common.rc | |
| 40 | . ./common.filter | |
| 41 | ||
| 42 | # Any format supporting backing files | |
| 43 | _supported_fmt qcow qcow2 vmdk qed | |
| 44 | _supported_proto generic | |
| 45 | _supported_os Linux | |
| 46 | ||
| 47 | ||
| 48 | size=128M | |
| 49 | _make_test_img $size | |
| 50 | $QEMU_IMG rebase -u -b $TEST_IMG $TEST_IMG | |
| 51 | ||
| 52 | echo | |
| 53 | echo "== backing file references self ==" | |
| 54 | _img_info --backing-chain | |
| 55 | ||
| 56 | _make_test_img $size | |
| 57 | mv $TEST_IMG $TEST_IMG.base | |
| 58 | _make_test_img -b $TEST_IMG.base $size | |
| 59 | $QEMU_IMG rebase -u -b $TEST_IMG $TEST_IMG.base | |
| 60 | ||
| 61 | echo | |
| 62 | echo "== parent references self ==" | |
| 63 | _img_info --backing-chain | |
| 64 | ||
| 65 | _make_test_img $size | |
| 66 | mv $TEST_IMG $TEST_IMG.1.base | |
| 67 | _make_test_img -b $TEST_IMG.1.base $size | |
| 68 | mv $TEST_IMG $TEST_IMG.2.base | |
| 69 | _make_test_img -b $TEST_IMG.2.base $size | |
| 70 | mv $TEST_IMG $TEST_IMG.3.base | |
| 71 | _make_test_img -b $TEST_IMG.3.base $size | |
| 72 | $QEMU_IMG rebase -u -b $TEST_IMG.2.base $TEST_IMG.1.base | |
| 73 | ||
| 74 | echo | |
| 75 | echo "== ancestor references another ancestor ==" | |
| 76 | _img_info --backing-chain | |
| 77 | ||
| 78 | _make_test_img $size | |
| 79 | mv $TEST_IMG $TEST_IMG.1.base | |
| 80 | _make_test_img -b $TEST_IMG.1.base $size | |
| 81 | mv $TEST_IMG $TEST_IMG.2.base | |
| 82 | _make_test_img -b $TEST_IMG.2.base $size | |
| 83 | ||
| 84 | echo | |
| 85 | echo "== finite chain of length 3 (human) ==" | |
| 86 | _img_info --backing-chain | |
| 87 | ||
| 88 | echo | |
| 89 | echo "== finite chain of length 3 (json) ==" | |
| 90 | _img_info --backing-chain --output=json | |
| 91 | ||
| 92 | # success, all done | |
| 93 | echo "*** done" | |
| 94 | rm -f $seq.full | |
| 95 | status=0 |