mirror of https://gitlab.com/qemu-project/qemu
iotests: test NBD+TLS+iothread
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>
This commit is contained in:
Eric Blake
parent
199e84de1c
commit
a73c993780
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#!/usr/bin/env bash
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# group: rw quick
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#
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# Test of NBD+TLS+iothread
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#
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# Copyright (C) 2024 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=eblake@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_qemu
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_cleanup_test_img
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rm -f "$dst_image"
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tls_x509_cleanup
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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cd ..
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. ./common.rc
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. ./common.filter
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. ./common.qemu
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. ./common.tls
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. ./common.nbd
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_supported_fmt qcow2 # Hardcoded to qcow2 command line and QMP below
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_supported_proto file
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# pick_unused_port
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#
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# Picks and returns an "unused" port, setting the global variable
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# $port.
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#
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# This is inherently racy, but we need it because qemu does not currently
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# permit NBD+TLS over a Unix domain socket
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pick_unused_port ()
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{
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if ! (ss --version) >/dev/null 2>&1; then
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_notrun "ss utility required, skipped this test"
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fi
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# Start at a random port to make it less likely that two parallel
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# tests will conflict.
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port=$(( 50000 + (RANDOM%15000) ))
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while ss -ltn | grep -sqE ":$port\b"; do
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((port++))
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if [ $port -eq 65000 ]; then port=50000; fi
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done
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echo picked unused port
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}
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tls_x509_init
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size=1G
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DST_IMG="$TEST_DIR/dst.qcow2"
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echo
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echo "== preparing TLS creds and spare port =="
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pick_unused_port
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tls_x509_create_root_ca "ca1"
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tls_x509_create_server "ca1" "server1"
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tls_x509_create_client "ca1" "client1"
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tls_obj_base=tls-creds-x509,id=tls0,verify-peer=true,dir="${tls_dir}"
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echo
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echo "== preparing image =="
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_make_test_img $size
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$QEMU_IMG create -f qcow2 "$DST_IMG" $size | _filter_img_create
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echo
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echo === Starting Src QEMU ===
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echo
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_launch_qemu -machine q35 \
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-object iothread,id=iothread0 \
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-object "${tls_obj_base}"/client1,endpoint=client \
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-device '{"driver":"pcie-root-port", "id":"root0", "multifunction":true,
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"bus":"pcie.0"}' \
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-device '{"driver":"virtio-scsi-pci", "id":"virtio_scsi_pci0",
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"bus":"root0", "iothread":"iothread0"}' \
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-device '{"driver":"scsi-hd", "id":"image1", "drive":"drive_image1",
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"bus":"virtio_scsi_pci0.0"}' \
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-blockdev '{"driver":"file", "cache":{"direct":true, "no-flush":false},
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"filename":"'"$TEST_IMG"'", "node-name":"drive_sys1"}' \
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-blockdev '{"driver":"qcow2", "node-name":"drive_image1",
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"file":"drive_sys1"}'
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h1=$QEMU_HANDLE
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_send_qemu_cmd $h1 '{"execute": "qmp_capabilities"}' 'return'
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echo
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echo === Starting Dst VM2 ===
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echo
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_launch_qemu -machine q35 \
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-object iothread,id=iothread0 \
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-object "${tls_obj_base}"/server1,endpoint=server \
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-device '{"driver":"pcie-root-port", "id":"root0", "multifunction":true,
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"bus":"pcie.0"}' \
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-device '{"driver":"virtio-scsi-pci", "id":"virtio_scsi_pci0",
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"bus":"root0", "iothread":"iothread0"}' \
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-device '{"driver":"scsi-hd", "id":"image1", "drive":"drive_image1",
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"bus":"virtio_scsi_pci0.0"}' \
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-blockdev '{"driver":"file", "cache":{"direct":true, "no-flush":false},
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"filename":"'"$DST_IMG"'", "node-name":"drive_sys1"}' \
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-blockdev '{"driver":"qcow2", "node-name":"drive_image1",
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"file":"drive_sys1"}' \
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-incoming defer
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h2=$QEMU_HANDLE
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_send_qemu_cmd $h2 '{"execute": "qmp_capabilities"}' 'return'
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echo
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echo === Dst VM: Enable NBD server for incoming storage migration ===
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echo
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_send_qemu_cmd $h2 '{"execute": "nbd-server-start", "arguments":
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{"addr": {"type": "inet", "data": {"host": "127.0.0.1", "port": "'$port'"}},
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"tls-creds": "tls0"}}' '{"return": {}}' | sed "s/\"$port\"/PORT/g"
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_send_qemu_cmd $h2 '{"execute": "block-export-add", "arguments":
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{"node-name": "drive_image1", "type": "nbd", "writable": true,
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"id": "drive_image1"}}' '{"return": {}}'
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echo
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echo === Src VM: Mirror to dst NBD for outgoing storage migration ===
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echo
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_send_qemu_cmd $h1 '{"execute": "blockdev-add", "arguments":
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{"node-name": "mirror", "driver": "nbd",
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"server": {"type": "inet", "host": "127.0.0.1", "port": "'$port'"},
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"export": "drive_image1", "tls-creds": "tls0",
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"tls-hostname": "127.0.0.1"}}' '{"return": {}}' | sed "s/\"$port\"/PORT/g"
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_send_qemu_cmd $h1 '{"execute": "blockdev-mirror", "arguments":
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{"sync": "full", "device": "drive_image1", "target": "mirror",
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"job-id": "drive_image1_53"}}' '{"return": {}}'
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_timed_wait_for $h1 '"ready"'
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echo
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echo === Cleaning up ===
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echo
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_send_qemu_cmd $h1 '{"execute":"quit"}' ''
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_send_qemu_cmd $h2 '{"execute":"quit"}' ''
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echo "*** done"
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rm -f $seq.full
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status=0
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@ -0,0 +1,54 @@
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QA output created by nbd-tls-iothread
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== preparing TLS creds and spare port ==
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picked unused port
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Generating a self signed certificate...
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Generating a signed certificate...
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Generating a signed certificate...
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== preparing image ==
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1073741824
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Formatting 'TEST_DIR/dst.IMGFMT', fmt=IMGFMT size=1073741824
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=== Starting Src QEMU ===
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{"execute": "qmp_capabilities"}
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{"return": {}}
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=== Starting Dst VM2 ===
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{"execute": "qmp_capabilities"}
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{"return": {}}
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=== Dst VM: Enable NBD server for incoming storage migration ===
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{"execute": "nbd-server-start", "arguments":
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{"addr": {"type": "inet", "data": {"host": "127.0.0.1", "port": PORT}},
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"tls-creds": "tls0"}}
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{"return": {}}
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{"execute": "block-export-add", "arguments":
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{"node-name": "drive_image1", "type": "nbd", "writable": true,
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"id": "drive_image1"}}
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{"return": {}}
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=== Src VM: Mirror to dst NBD for outgoing storage migration ===
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{"execute": "blockdev-add", "arguments":
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{"node-name": "mirror", "driver": "nbd",
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"server": {"type": "inet", "host": "127.0.0.1", "port": PORT},
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"export": "drive_image1", "tls-creds": "tls0",
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"tls-hostname": "127.0.0.1"}}
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{"return": {}}
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{"execute": "blockdev-mirror", "arguments":
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{"sync": "full", "device": "drive_image1", "target": "mirror",
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"job-id": "drive_image1_53"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "drive_image1_53"}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "drive_image1_53"}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "ready", "id": "drive_image1_53"}}
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=== Cleaning up ===
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{"execute":"quit"}
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{"execute":"quit"}
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*** done
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