b23adf7132
The capture files are more or less a different form of log output from the tests, so place them in $LOGDIR. Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
409 lines
14 KiB
Bash
Executable file
409 lines
14 KiB
Bash
Executable file
#!/bin/sh
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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#
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# PASST - Plug A Simple Socket Transport
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# for qemu/UNIX domain socket mode
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#
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# PASTA - Pack A Subtle Tap Abstraction
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# for network namespace/tap device mode
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#
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# test/lib/setup - Set up and tear down passt and pasta environments
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#
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# Copyright (c) 2021 Red Hat GmbH
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# Author: Stefano Brivio <sbrivio@redhat.com>
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INITRAMFS="${BASEPATH}/mbuto.img"
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VCPUS="$( [ $(nproc) -ge 8 ] && echo 6 || echo $(( $(nproc) / 2 + 1 )) )"
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__mem_kib="$(sed -n 's/MemTotal:[ ]*\([0-9]*\) kB/\1/p' /proc/meminfo)"
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VMEM="$((${__mem_kib} / 1024 / 4))"
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NSHOLDER="${BASEPATH}/nsholder"
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# setup_build() - Set up pane layout for build tests
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setup_build() {
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context_setup_host host
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layout_host
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}
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# setup_distro() - Set up pane layout for distro tests
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setup_distro() {
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layout_host
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}
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# setup_passt() - Start qemu and passt
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setup_passt() {
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context_setup_host host
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context_setup_host passt
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context_setup_host qemu
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layout_passt
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# Ports:
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#
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# guest | host
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# --------------|---------------------
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# 10001 as server | forwarded to guest
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# 10003 | as server
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__opts=
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[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt.pcap"
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[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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context_run passt "make clean"
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context_run passt "make valgrind"
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context_run_bg passt "valgrind --max-stackframe=$((4 * 1024 * 1024)) --trace-children=yes --vgdb=no --error-exitcode=1 --suppressions=test/valgrind.supp ./passt ${__opts} -f -t 10001 -u 10001 -P passt.pid"
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sleep 5
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GUEST_CID=94557
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context_run_bg qemu './qrap 5 qemu-system-$(uname -m)' \
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' -machine accel=kvm' \
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' -m '${VMEM}' -cpu host -smp '${VCPUS} \
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' -kernel ' "/boot/vmlinuz-$(uname -r)" \
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' -initrd '${INITRAMFS}' -nographic -serial stdio' \
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' -nodefaults' \
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' -append "console=ttyS0 mitigations=off apparmor=0 ' \
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'virtio-net.napi_tx=1"' \
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" -device virtio-net-pci,netdev=hostnet0,x-txburst=16384" \
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" -netdev socket,fd=5,id=hostnet0" \
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" -pidfile passt_qemu.pid" \
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" -device vhost-vsock-pci,guest-cid=$GUEST_CID"
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context_setup_guest guest $GUEST_CID
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}
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# setup_pasta() - Create a network and user namespace, connect pasta to it
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setup_pasta() {
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context_setup_host host
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context_setup_host passt
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context_setup_host unshare
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layout_pasta
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context_run_bg unshare "unshare -rUnpf ${NSHOLDER} ns.hold hold"
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__target_pid=$(${NSHOLDER} ns.hold pid)
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context_setup_nsenter ns -U -n -p --preserve-credentials -t ${__target_pid}
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# Ports:
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#
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# ns | host
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# ------------------|---------------------
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# 10002 as server | spliced to ns
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# 10003 spliced to init | as server
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__opts=
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[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/pasta.pcap"
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[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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context_run_bg passt "./pasta ${__opts} -f -t 10002 -T 10003 -u 10002 -U 10003 -P passt.pid ${__target_pid}"
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sleep 1
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}
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# setup_passt_in_ns() - Set up namespace (with pasta), run qemu and passt into it
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setup_passt_in_ns() {
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context_setup_host host
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context_setup_host pasta
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layout_passt_in_pasta
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# Ports:
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#
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# guest | ns | host
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# -------------|--------------------|-----------------
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# 10001 as server | forwarded to guest | spliced to ns
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# 10002 | as server | spliced to ns
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# 10003 | spliced to init | as server
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# 10011 as server | forwarded to guest | spliced to ns
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# 10012 | as server | spliced to ns
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# 10013 | spliced to init | as server
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#
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# 10021 as server | forwarded to guest |
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# 10031 as server | forwarded to guest |
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__opts=
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[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/pasta_with_passt.pcap"
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[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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context_run_bg pasta "./pasta ${__opts} -t 10001,10002,10011,10012 -T 10003,10013 -u 10001,10002,10011,10012 -U 10003,10013 -P pasta.pid ${NSHOLDER} ns.hold hold"
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sleep 1
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__ns_pid=$(${NSHOLDER} ns.hold pid)
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context_setup_nsenter qemu "-t ${__ns_pid} -U -n -p --preserve-credentials"
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context_setup_nsenter ns "-t ${__ns_pid} -U -n -p --preserve-credentials"
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context_setup_nsenter passt "-t ${__ns_pid} -U -n -p --preserve-credentials"
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__ifname=$(context_run ns "ip -j link show | jq -rM '.[] | select(.link_type == \"ether\").ifname'")
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context_run ns "/sbin/dhclient -4 --no-pid ${__ifname}"
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sleep 2
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context_run ns "/sbin/dhclient -6 --no-pid ${__ifname}"
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__opts=
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[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_in_pasta.pcap"
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[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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if [ ${VALGRIND} -eq 1 ]; then
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context_run passt "make clean"
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context_run passt "make valgrind"
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context_run_bg passt "valgrind --max-stackframe=$((4 * 1024 * 1024)) --trace-children=yes --vgdb=no --error-exitcode=1 --suppressions=test/valgrind.supp ./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031 -P passt.pid"
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else
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context_run passt "make clean"
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context_run passt "make"
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context_run_bg passt "./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031 -P passt.pid"
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fi
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sleep 5
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GUEST_CID=94557
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context_run_bg qemu './qrap 5 qemu-system-$(uname -m)' \
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' -machine accel=kvm' \
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' -M accel=kvm:tcg' \
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' -m '${VMEM}' -cpu host -smp '${VCPUS} \
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' -kernel ' "/boot/vmlinuz-$(uname -r)" \
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' -initrd '${INITRAMFS}' -nographic -serial stdio' \
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' -nodefaults' \
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' -append "console=ttyS0 mitigations=off apparmor=0 ' \
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'virtio-net.napi_tx=1"' \
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" -device virtio-net-pci,netdev=hostnet0,x-txburst=524288" \
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" -netdev socket,fd=5,id=hostnet0" \
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' -pidfile passt_in_ns_qemu.pid' \
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" -device vhost-vsock-pci,guest-cid=$GUEST_CID"
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context_setup_guest guest $GUEST_CID
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}
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# setup_two_guests() - Set up two namespace, run qemu and passt in both of them
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setup_two_guests() {
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context_setup_host host
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context_setup_host pasta_1
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context_setup_host pasta_2
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layout_two_guests
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# Ports:
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#
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# guest #1 | guest #2 | ns #1 | ns #2 | host
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# --------- |-----------|-----------|------------|------------
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# 10001 as server | | to guest | to init | to ns #1
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# 10002 | | as server | | to ns #1
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# 10003 | | to init | to init | as server
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# 10004 | as server | to init | to guest | to ns #2
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# 10005 | | | as server | to ns #2
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__opts=
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[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/pasta_1.pcap"
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[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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context_run_bg pasta_1 "./pasta ${__opts} -P pasta_1.pid -t 10001,10002 -T 10003,10004 -u 10001,10002 -U 10003,10004 ${NSHOLDER} ns1.hold hold"
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__ns1_pid=$(${NSHOLDER} ns1.hold pid)
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context_setup_nsenter passt_1 -U -n -p --preserve-credentials -t ${__ns1_pid}
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__opts=
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[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/pasta_2.pcap"
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[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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context_run_bg pasta_2 "./pasta ${__opts} -P pasta_2.pid -t 10004,10005 -T 10003,10001 -u 10004,10005 -U 10003,10001 ${NSHOLDER} ns2.hold hold"
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__ns2_pid=$(${NSHOLDER} ns2.hold pid)
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context_setup_nsenter passt_2 -U -n -p --preserve-credentials -t ${__ns2_pid}
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context_setup_nsenter qemu_1 -U -n -p --preserve-credentials -t ${__ns1_pid}
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context_setup_nsenter qemu_2 -U -n -p --preserve-credentials -t ${__ns2_pid}
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__ifname="$(context_run qemu_1 "ip -j link show | jq -rM '.[] | select(.link_type == \"ether\").ifname'")"
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context_run qemu_1 "/sbin/dhclient -4 --no-pid ${__ifname}"
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context_run qemu_2 "/sbin/dhclient -4 --no-pid ${__ifname}"
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context_run qemu_1 "/sbin/dhclient -6 --no-pid ${__ifname}"
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context_run qemu_2 "/sbin/dhclient -6 --no-pid ${__ifname}"
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__opts=
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[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_1.pcap"
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[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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context_run_bg passt_1 "./passt -P passt_1.pid -f ${__opts} -t 10001 -u 10001"
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sleep 1
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__opts=
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[ ${PCAP} -eq 1 ] && __opts="${__opts} -p ${LOGDIR}/passt_2.pcap"
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[ ${DEBUG} -eq 1 ] && __opts="${__opts} -d"
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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context_run_bg passt_2 "./passt -P passt_2.pid -f ${__opts} -t 10004 -u 10004"
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GUEST_1_CID=94557
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context_run_bg qemu_1 './qrap 5 qemu-system-$(uname -m)' \
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' -M accel=kvm:tcg' \
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' -m '${VMEM}' -cpu host -smp '${VCPUS} \
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' -kernel ' "/boot/vmlinuz-$(uname -r)" \
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' -initrd '${INITRAMFS}' -nographic -serial stdio' \
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' -nodefaults' \
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' -append "console=ttyS0 mitigations=off apparmor=0 ' \
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'virtio-net.napi_tx=1"' \
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" -device virtio-net-pci,netdev=hostnet0,x-txburst=16384" \
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" -netdev socket,fd=5,id=hostnet0" \
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' -pidfile two_guests_qemu_1.pid' \
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" -device vhost-vsock-pci,guest-cid=$GUEST_1_CID"
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GUEST_2_CID=94558
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context_run_bg qemu_2 './qrap 5 qemu-system-$(uname -m)' \
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' -M accel=kvm:tcg' \
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' -m '${VMEM}' -cpu host -smp '${VCPUS} \
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' -kernel ' "/boot/vmlinuz-$(uname -r)" \
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' -initrd '${INITRAMFS}' -nographic -serial stdio' \
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' -nodefaults' \
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' -append "console=ttyS0 mitigations=off apparmor=0 ' \
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'virtio-net.napi_tx=1"' \
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" -device virtio-net-pci,netdev=hostnet0,x-txburst=16384" \
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" -netdev socket,fd=5,id=hostnet0" \
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' -pidfile two_guests_qemu_2.pid' \
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" -device vhost-vsock-pci,guest-cid=$GUEST_2_CID"
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context_setup_guest guest_1 ${GUEST_1_CID}
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context_setup_guest guest_2 ${GUEST_2_CID}
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}
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# teardown_context_watch() - Remove contexts and stop panes watching them
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# $1: Pane number watching
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# $@: Context names
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teardown_context_watch() {
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__pane="$1"
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shift
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for __c; do
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context_teardown "${__c}"
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done
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tmux send-keys -t ${__pane} "C-c"
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}
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# teardown_build() - Nothing to do, yet
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teardown_build() {
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teardown_context_watch ${PANE_HOST} host
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}
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# teardown_distro() - Nothing to do, yet
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teardown_distro() {
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:
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}
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# teardown_passt() - Kill qemu, remove passt PID file
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teardown_passt() {
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kill $(cat passt_qemu.pid)
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rm passt.pid
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teardown_context_watch ${PANE_HOST} host
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teardown_context_watch ${PANE_PASST} passt
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teardown_context_watch ${PANE_GUEST} qemu guest
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}
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# teardown_passt() - Exit namespace, kill pasta process
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teardown_pasta() {
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${NSHOLDER} ns.hold stop
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context_wait unshare
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teardown_context_watch ${PANE_HOST} host
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teardown_context_watch ${PANE_PASST} passt
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teardown_context_watch ${PANE_NS} unshare ns
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}
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# teardown_passt_in_ns() - Exit namespace, kill qemu and pasta, remove pid file
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teardown_passt_in_ns() {
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context_run ns kill $(cat passt_in_ns_qemu.pid)
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context_wait qemu
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${NSHOLDER} ns.hold stop
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context_wait pasta
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rm passt.pid pasta.pid
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teardown_context_watch ${PANE_HOST} host
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teardown_context_watch ${PANE_PASST} pasta passt
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teardown_context_watch ${PANE_NS} ns
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teardown_context_watch ${PANE_GUEST} qemu guest
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}
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# teardown_two_guests() - Exit namespaces, kill qemu processes, passt and pasta
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teardown_two_guests() {
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__ns1_pid=$(${NSHOLDER} ns1.hold pid)
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__ns2_pid=$(${NSHOLDER} ns2.hold pid)
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nsenter -U -p --preserve-credentials -t ${__ns1_pid} kill $(cat two_guests_qemu_1.pid)
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nsenter -U -p --preserve-credentials -t ${__ns2_pid} kill $(cat two_guests_qemu_2.pid)
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context_wait qemu_1
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context_wait qemu_2
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nsenter -U -p --preserve-credentials -t ${__ns1_pid} kill $(cat passt_1.pid)
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nsenter -U -p --preserve-credentials -t ${__ns2_pid} kill $(cat passt_2.pid)
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context_wait passt_1
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context_wait passt_2
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${NSHOLDER} ns1.hold stop
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${NSHOLDER} ns2.hold stop
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context_wait pasta_1
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context_wait pasta_2
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rm -f passt_[12].pid pasta_[12].pid
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teardown_context_watch ${PANE_HOST} host
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teardown_context_watch ${PANE_GUEST_1} qemu_1 guest_1
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teardown_context_watch ${PANE_GUEST_2} qemu_2 guest_2
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teardown_context_watch ${PANE_PASST_1} pasta_1 passt_1
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teardown_context_watch ${PANE_PASST_2} pasta_2 passt_2
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}
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# teardown_demo_passt() - Exit namespace, kill qemu, passt and pasta
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teardown_demo_passt() {
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tmux send-keys -t ${PANE_GUEST} "C-c"
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pane_wait GUEST
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tmux send-keys -t ${PANE_GUEST} "C-d"
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tmux send-keys -t ${PANE_PASST} "C-c"
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pane_wait GUEST
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pane_wait HOST
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pane_wait PASST
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tmux kill-pane -a -t 0
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tmux send-keys -t 0 "C-c"
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}
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# teardown_demo_pasta() - Exit perf and namespace from remaining pane
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teardown_demo_pasta() {
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tmux send-keys -t ${PANE_NS} "q"
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pane_wait NS
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tmux send-keys -t ${PANE_NS} "C-d"
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pane_wait NS
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tmux kill-pane -a -t 0
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tmux send-keys -t 0 "C-c"
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}
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# teardown_demo_podman() - Exit namespaces
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teardown_demo_podman() {
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tmux send-keys -t ${PANE_NS1} "C-d"
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tmux send-keys -t ${PANE_NS2} "C-d"
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pane_wait NS1
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pane_wait NS2
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tmux kill-pane -a -t 0
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tmux send-keys -t 0 "C-c"
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}
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# setup() - Run setup_*() functions
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# $*: Suffix list of setup_*() functions to be called
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setup() {
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for arg do
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STATESETUP="${STATEBASE}/${arg}"
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mkdir -p "${STATESETUP}"
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eval setup_${arg}
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done
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}
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# teardown() - Run teardown_*() functions
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# $*: Suffix list of teardown_*() functions to be called
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teardown() {
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for arg do
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eval teardown_${arg}
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done
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}
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