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qemu-kvm/SOURCES/kvm-iotests-test-NBD-TLS-iothread.patch

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From 88adaeaecb1d7753aa8ac3da40f617d93eaf8bdc Mon Sep 17 00:00:00 2001
From: Eric Blake <eblake@redhat.com>
Date: Fri, 17 May 2024 21:50:15 -0500
Subject: [PATCH 2/4] iotests: test NBD+TLS+iothread
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Eric Blake <eblake@redhat.com>
RH-MergeRequest: 244: qio: Inherit follow_coroutine_ctx across TLS
RH-Jira: RHEL-33440
RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Commit: [2/2] 29c3128a158b7c49fa79c141a9adcc12693f7de4 (ebblake/centos-qemu-kvm)
Prevent regressions when using NBD with TLS in the presence of
iothreads, adding coverage the fix to qio channels made in the
previous patch.
The shell function pick_unused_port() was copied from
nbdkit.git/tests/functions.sh.in, where it had all authors from Red
Hat, agreeing to the resulting relicensing from 2-clause BSD to GPLv2.
CC: qemu-stable@nongnu.org
CC: "Richard W.M. Jones" <rjones@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-ID: <20240531180639.1392905-6-eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
(cherry picked from commit a73c99378022ebb785481e84cfe1e81097546268)
Jira: https://issues.redhat.com/browse/RHEL-33440
Signed-off-by: Eric Blake <eblake@redhat.com>
---
tests/qemu-iotests/tests/nbd-tls-iothread | 168 ++++++++++++++++++
tests/qemu-iotests/tests/nbd-tls-iothread.out | 54 ++++++
2 files changed, 222 insertions(+)
create mode 100755 tests/qemu-iotests/tests/nbd-tls-iothread
create mode 100644 tests/qemu-iotests/tests/nbd-tls-iothread.out
diff --git a/tests/qemu-iotests/tests/nbd-tls-iothread b/tests/qemu-iotests/tests/nbd-tls-iothread
new file mode 100755
index 0000000000..a2fb07206e
--- /dev/null
+++ b/tests/qemu-iotests/tests/nbd-tls-iothread
@@ -0,0 +1,168 @@
+#!/usr/bin/env bash
+# group: rw quick
+#
+# Test of NBD+TLS+iothread
+#
+# Copyright (C) 2024 Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+# creator
+owner=eblake@redhat.com
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_qemu
+ _cleanup_test_img
+ rm -f "$dst_image"
+ tls_x509_cleanup
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+cd ..
+. ./common.rc
+. ./common.filter
+. ./common.qemu
+. ./common.tls
+. ./common.nbd
+
+_supported_fmt qcow2 # Hardcoded to qcow2 command line and QMP below
+_supported_proto file
+
+# pick_unused_port
+#
+# Picks and returns an "unused" port, setting the global variable
+# $port.
+#
+# This is inherently racy, but we need it because qemu does not currently
+# permit NBD+TLS over a Unix domain socket
+pick_unused_port ()
+{
+ if ! (ss --version) >/dev/null 2>&1; then
+ _notrun "ss utility required, skipped this test"
+ fi
+
+ # Start at a random port to make it less likely that two parallel
+ # tests will conflict.
+ port=$(( 50000 + (RANDOM%15000) ))
+ while ss -ltn | grep -sqE ":$port\b"; do
+ ((port++))
+ if [ $port -eq 65000 ]; then port=50000; fi
+ done
+ echo picked unused port
+}
+
+tls_x509_init
+
+size=1G
+DST_IMG="$TEST_DIR/dst.qcow2"
+
+echo
+echo "== preparing TLS creds and spare port =="
+
+pick_unused_port
+tls_x509_create_root_ca "ca1"
+tls_x509_create_server "ca1" "server1"
+tls_x509_create_client "ca1" "client1"
+tls_obj_base=tls-creds-x509,id=tls0,verify-peer=true,dir="${tls_dir}"
+
+echo
+echo "== preparing image =="
+
+_make_test_img $size
+$QEMU_IMG create -f qcow2 "$DST_IMG" $size | _filter_img_create
+
+echo
+echo === Starting Src QEMU ===
+echo
+
+_launch_qemu -machine q35 \
+ -object iothread,id=iothread0 \
+ -object "${tls_obj_base}"/client1,endpoint=client \
+ -device '{"driver":"pcie-root-port", "id":"root0", "multifunction":true,
+ "bus":"pcie.0"}' \
+ -device '{"driver":"virtio-scsi-pci", "id":"virtio_scsi_pci0",
+ "bus":"root0", "iothread":"iothread0"}' \
+ -device '{"driver":"scsi-hd", "id":"image1", "drive":"drive_image1",
+ "bus":"virtio_scsi_pci0.0"}' \
+ -blockdev '{"driver":"file", "cache":{"direct":true, "no-flush":false},
+ "filename":"'"$TEST_IMG"'", "node-name":"drive_sys1"}' \
+ -blockdev '{"driver":"qcow2", "node-name":"drive_image1",
+ "file":"drive_sys1"}'
+h1=$QEMU_HANDLE
+_send_qemu_cmd $h1 '{"execute": "qmp_capabilities"}' 'return'
+
+echo
+echo === Starting Dst VM2 ===
+echo
+
+_launch_qemu -machine q35 \
+ -object iothread,id=iothread0 \
+ -object "${tls_obj_base}"/server1,endpoint=server \
+ -device '{"driver":"pcie-root-port", "id":"root0", "multifunction":true,
+ "bus":"pcie.0"}' \
+ -device '{"driver":"virtio-scsi-pci", "id":"virtio_scsi_pci0",
+ "bus":"root0", "iothread":"iothread0"}' \
+ -device '{"driver":"scsi-hd", "id":"image1", "drive":"drive_image1",
+ "bus":"virtio_scsi_pci0.0"}' \
+ -blockdev '{"driver":"file", "cache":{"direct":true, "no-flush":false},
+ "filename":"'"$DST_IMG"'", "node-name":"drive_sys1"}' \
+ -blockdev '{"driver":"qcow2", "node-name":"drive_image1",
+ "file":"drive_sys1"}' \
+ -incoming defer
+h2=$QEMU_HANDLE
+_send_qemu_cmd $h2 '{"execute": "qmp_capabilities"}' 'return'
+
+echo
+echo === Dst VM: Enable NBD server for incoming storage migration ===
+echo
+
+_send_qemu_cmd $h2 '{"execute": "nbd-server-start", "arguments":
+ {"addr": {"type": "inet", "data": {"host": "127.0.0.1", "port": "'$port'"}},
+ "tls-creds": "tls0"}}' '{"return": {}}' | sed "s/\"$port\"/PORT/g"
+_send_qemu_cmd $h2 '{"execute": "block-export-add", "arguments":
+ {"node-name": "drive_image1", "type": "nbd", "writable": true,
+ "id": "drive_image1"}}' '{"return": {}}'
+
+echo
+echo === Src VM: Mirror to dst NBD for outgoing storage migration ===
+echo
+
+_send_qemu_cmd $h1 '{"execute": "blockdev-add", "arguments":
+ {"node-name": "mirror", "driver": "nbd",
+ "server": {"type": "inet", "host": "127.0.0.1", "port": "'$port'"},
+ "export": "drive_image1", "tls-creds": "tls0",
+ "tls-hostname": "127.0.0.1"}}' '{"return": {}}' | sed "s/\"$port\"/PORT/g"
+_send_qemu_cmd $h1 '{"execute": "blockdev-mirror", "arguments":
+ {"sync": "full", "device": "drive_image1", "target": "mirror",
+ "job-id": "drive_image1_53"}}' '{"return": {}}'
+_timed_wait_for $h1 '"ready"'
+
+echo
+echo === Cleaning up ===
+echo
+
+_send_qemu_cmd $h1 '{"execute":"quit"}' ''
+_send_qemu_cmd $h2 '{"execute":"quit"}' ''
+
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/tests/nbd-tls-iothread.out b/tests/qemu-iotests/tests/nbd-tls-iothread.out
new file mode 100644
index 0000000000..1d83d4f903
--- /dev/null
+++ b/tests/qemu-iotests/tests/nbd-tls-iothread.out
@@ -0,0 +1,54 @@
+QA output created by nbd-tls-iothread
+
+== preparing TLS creds and spare port ==
+picked unused port
+Generating a self signed certificate...
+Generating a signed certificate...
+Generating a signed certificate...
+
+== preparing image ==
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824
+Formatting 'TEST_DIR/dst.IMGFMT', fmt=IMGFMT size=1073741824
+
+=== Starting Src QEMU ===
+
+{"execute": "qmp_capabilities"}
+{"return": {}}
+
+=== Starting Dst VM2 ===
+
+{"execute": "qmp_capabilities"}
+{"return": {}}
+
+=== Dst VM: Enable NBD server for incoming storage migration ===
+
+{"execute": "nbd-server-start", "arguments":
+ {"addr": {"type": "inet", "data": {"host": "127.0.0.1", "port": PORT}},
+ "tls-creds": "tls0"}}
+{"return": {}}
+{"execute": "block-export-add", "arguments":
+ {"node-name": "drive_image1", "type": "nbd", "writable": true,
+ "id": "drive_image1"}}
+{"return": {}}
+
+=== Src VM: Mirror to dst NBD for outgoing storage migration ===
+
+{"execute": "blockdev-add", "arguments":
+ {"node-name": "mirror", "driver": "nbd",
+ "server": {"type": "inet", "host": "127.0.0.1", "port": PORT},
+ "export": "drive_image1", "tls-creds": "tls0",
+ "tls-hostname": "127.0.0.1"}}
+{"return": {}}
+{"execute": "blockdev-mirror", "arguments":
+ {"sync": "full", "device": "drive_image1", "target": "mirror",
+ "job-id": "drive_image1_53"}}
+{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "drive_image1_53"}}
+{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "drive_image1_53"}}
+{"return": {}}
+{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "drive_image1_53"}}
+
+=== Cleaning up ===
+
+{"execute":"quit"}
+{"execute":"quit"}
+*** done
--
2.39.3
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