| 1 | #!/usr/bin/env bash |
| 2 | # group: rw auto quick |
| 3 | # |
| 4 | # Test change-backing-file command |
| 5 | # |
| 6 | # Copyright (C) 2017 Red Hat, Inc. |
| 7 | # |
| 8 | # This program is free software; you can redistribute it and/or modify |
| 9 | # it under the terms of the GNU General Public License as published by |
| 10 | # the Free Software Foundation; either version 2 of the License, or |
| 11 | # (at your option) any later version. |
| 12 | # |
| 13 | # This program is distributed in the hope that it will be useful, |
| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | # GNU General Public License for more details. |
| 17 | # |
| 18 | # You should have received a copy of the GNU General Public License |
| 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 | # |
| 21 | |
| 22 | # creator |
| 23 | owner=kwolf@redhat.com |
| 24 | |
| 25 | seq=`basename $0` |
| 26 | echo "QA output created by $seq" |
| 27 | |
| 28 | status=1 # failure is the default! |
| 29 | |
| 30 | _cleanup() |
| 31 | { |
| 32 | _cleanup_test_img |
| 33 | _rm_test_img "$TEST_IMG.mid" |
| 34 | } |
| 35 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 36 | |
| 37 | # get standard environment, filters and checks |
| 38 | . ./common.rc |
| 39 | . ./common.filter |
| 40 | |
| 41 | _supported_fmt qcow2 |
| 42 | _supported_proto file fuse |
| 43 | |
| 44 | do_run_qemu() |
| 45 | { |
| 46 | echo Testing: "$@" |
| 47 | $QEMU -nographic -qmp-pretty stdio -serial none "$@" |
| 48 | echo |
| 49 | } |
| 50 | |
| 51 | run_qemu() |
| 52 | { |
| 53 | do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_imgfmt | _filter_qemu \ |
| 54 | | _filter_qmp | _filter_qemu_io \ |
| 55 | | _filter_generated_node_ids |
| 56 | } |
| 57 | |
| 58 | size=64M |
| 59 | TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| 60 | TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT |
| 61 | _make_test_img -b "$TEST_IMG.mid" -F $IMGFMT |
| 62 | |
| 63 | echo |
| 64 | echo "Change backing file of mid (opened read-only)" |
| 65 | echo |
| 66 | |
| 67 | run_qemu -drive if=none,file="$TEST_IMG",backing.node-name=mid <<EOF |
| 68 | {"execute":"qmp_capabilities"} |
| 69 | {"execute":"change-backing-file", "arguments":{"device":"none0","image-node-name":"mid","backing-file":"/dev/null"}} |
| 70 | {"execute":"quit"} |
| 71 | EOF |
| 72 | |
| 73 | TEST_IMG="$TEST_IMG.mid" _img_info |
| 74 | |
| 75 | echo |
| 76 | echo "Change backing file of top (opened writable)" |
| 77 | echo |
| 78 | |
| 79 | TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT |
| 80 | |
| 81 | run_qemu -drive if=none,file="$TEST_IMG",node-name=top <<EOF |
| 82 | {"execute":"qmp_capabilities"} |
| 83 | {"execute":"change-backing-file", "arguments":{"device":"none0","image-node-name":"top","backing-file":"/dev/null"}} |
| 84 | {"execute":"quit"} |
| 85 | EOF |
| 86 | |
| 87 | _img_info |
| 88 | |
| 89 | # success, all done |
| 90 | echo "*** done" |
| 91 | rm -f $seq.full |
| 92 | status=0 |