| 1 | #!/usr/bin/env bash |
| 2 | # group: rw quick |
| 3 | # |
| 4 | # Test of opening both server and client NBD in a qcow2 backing chain |
| 5 | # |
| 6 | # Copyright (C) Red Hat, Inc. |
| 7 | # |
| 8 | # SPDX-License-Identifier: GPL-2.0-or-later |
| 9 | |
| 10 | # creator |
| 11 | owner=eblake@redhat.com |
| 12 | |
| 13 | seq=`basename $0` |
| 14 | echo "QA output created by $seq" |
| 15 | |
| 16 | status=1 # failure is the default! |
| 17 | |
| 18 | _cleanup() |
| 19 | { |
| 20 | _cleanup_qemu |
| 21 | _cleanup_test_img |
| 22 | rm -f "$SOCK_DIR/nbd" |
| 23 | } |
| 24 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 25 | |
| 26 | # get standard environment, filters and checks |
| 27 | cd .. |
| 28 | . ./common.rc |
| 29 | . ./common.filter |
| 30 | . ./common.qemu |
| 31 | . ./common.nbd |
| 32 | |
| 33 | _supported_fmt qcow2 # Hardcoded to qcow2 command line and QMP below |
| 34 | _supported_proto file |
| 35 | |
| 36 | size=100M |
| 37 | |
| 38 | echo |
| 39 | echo "=== Preparing base image ===" |
| 40 | |
| 41 | TEST_IMG="$TEST_IMG.base" _make_test_img $size |
| 42 | |
| 43 | echo |
| 44 | echo "=== Starting QEMU and exposing base image ===" |
| 45 | |
| 46 | _launch_qemu -machine q35 |
| 47 | h1=$QEMU_HANDLE |
| 48 | _send_qemu_cmd $QEMU_HANDLE '{"execute": "qmp_capabilities"}' 'return' |
| 49 | _send_qemu_cmd $QEMU_HANDLE '{"execute": "blockdev-add", |
| 50 | "arguments": {"node-name":"base", "driver":"qcow2", |
| 51 | "file":{"driver":"file", "filename":"'"$TEST_IMG.base"'"}}}' 'return' |
| 52 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-start", |
| 53 | "arguments": {"addr":{"type":"unix", |
| 54 | "data":{"path":"'"$SOCK_DIR/nbd"'"}}}}' 'return' |
| 55 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", |
| 56 | "arguments": {"device":"base","name":"base"}}' 'return' |
| 57 | |
| 58 | echo |
| 59 | echo "=== Adding explicit NBD client ===" |
| 60 | |
| 61 | _send_qemu_cmd $QEMU_HANDLE '{"execute": "blockdev-add", |
| 62 | "arguments": {"node-name":"client", "driver":"nbd", |
| 63 | "read-only":true, "export":"base", |
| 64 | "server":{"type":"unix", "path":"'"$SOCK_DIR/nbd"'"}}}' 'return' |
| 65 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", |
| 66 | "arguments": {"device":"client","name":"client"}}' 'return' |
| 67 | |
| 68 | echo |
| 69 | echo "=== Creating wrapper image ===" |
| 70 | |
| 71 | _make_test_img -F raw -b "nbd+unix:///base?socket=$SOCK_DIR/nbd" $size |
| 72 | |
| 73 | echo |
| 74 | echo "=== Adding wrapper image with implicit client from qcow2 file ===" |
| 75 | |
| 76 | _send_qemu_cmd $QEMU_HANDLE '{"execute": "blockdev-add", |
| 77 | "arguments": {"node-name":"wrap", "driver":"qcow2", |
| 78 | "file":{"driver":"file", "filename":"'"$TEST_IMG"'"}}}' 'return' |
| 79 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"nbd-server-add", |
| 80 | "arguments": {"device":"wrap","name":"wrap"}}' 'return' |
| 81 | |
| 82 | echo |
| 83 | echo "=== Checking NBD server ===" |
| 84 | |
| 85 | $QEMU_NBD --list -k $SOCK_DIR/nbd |
| 86 | |
| 87 | echo |
| 88 | echo "=== Cleaning up ===" |
| 89 | |
| 90 | _send_qemu_cmd $QEMU_HANDLE '{"execute":"quit"}' '' |
| 91 | |
| 92 | echo "*** done" |
| 93 | rm -f $seq.full |
| 94 | status=0 |