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https://passt.top/passt
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1401962a37
As pasta now configures that target network namespace with --config-net, we need to wait for addresses and routes to be actually present. Just sending netlink messages doesn't mean this is done synchronously. A more elegant alternative, which probably makes sense regardless of this test setup, would be to query, from pasta, addresses and routes we added, and wait until they're there, before proceeding. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
397 lines
14 KiB
Bash
Executable File
397 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_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 ${STATESETUP}/passt.pid"
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# pidfile isn't created until passt is listening
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wait_for [ -f "${STATESETUP}/passt.pid" ]
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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 ${STATESETUP}/qemu.pid" \
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" -device vhost-vsock-pci,guest-cid=$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} ${STATESETUP}/ns.hold hold"
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__target_pid=$(${NSHOLDER} ${STATESETUP}/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 ${STATESETUP}/passt.pid ${__target_pid}"
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# pidfile isn't created until pasta is ready
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wait_for [ -f "${STATESETUP}/passt.pid" ]
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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 ${STATESETUP}/pasta.pid --config-net ${NSHOLDER} ${STATESETUP}/ns.hold hold"
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wait_for [ -f "${STATESETUP}/pasta.pid" ]
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__ns_pid=$(${NSHOLDER} ${STATESETUP}/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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__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 ${STATESETUP}/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 ${STATESETUP}/passt.pid"
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fi
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wait_for [ -f "${STATESETUP}/passt.pid" ]
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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 ${STATESETUP}/qemu.pid" \
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" -device vhost-vsock-pci,guest-cid=$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 ${STATESETUP}/pasta_1.pid -t 10001,10002 -T 10003,10004 -u 10001,10002 -U 10003,10004 --config-net ${NSHOLDER} ${STATESETUP}/ns1.hold hold"
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__ns1_pid=$(${NSHOLDER} ${STATESETUP}/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 ${STATESETUP}/pasta_2.pid -t 10004,10005 -T 10003,10001 -u 10004,10005 -U 10003,10001 --config-net ${NSHOLDER} ${STATESETUP}/ns2.hold hold"
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__ns2_pid=$(${NSHOLDER} ${STATESETUP}/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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sleep 1
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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 ${STATESETUP}/passt_1.pid -f ${__opts} -t 10001 -u 10001"
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wait_for [ -f "${STATESETUP}/passt_1.pid" ]
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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 ${STATESETUP}/passt_2.pid -f ${__opts} -t 10004 -u 10004"
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wait_for [ -f "${STATESETUP}/passt_2.pid" ]
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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 ${STATESETUP}/qemu_1.pid" \
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" -device vhost-vsock-pci,guest-cid=$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 ${STATESETUP}/qemu_2.pid" \
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" -device vhost-vsock-pci,guest-cid=$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_passt() - Kill qemu, remove passt PID file
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teardown_passt() {
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kill $(cat "${STATESETUP}/qemu.pid")
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rm "${STATESETUP}/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 ${PANE_GUEST} qemu guest
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}
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# teardown_pasta() - Exit namespace, kill pasta process
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teardown_pasta() {
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${NSHOLDER} "${STATESETUP}/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 $(cat "${STATESETUP}/qemu.pid")
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context_wait qemu
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${NSHOLDER} "${STATESETUP}/ns.hold" stop
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context_wait pasta
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rm "${STATESETUP}/passt.pid" "${STATESETUP}/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 ${PANE_GUEST} qemu guest
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}
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# teardown_two_guests() - Exit namespaces, kill qemu processes, passt and pasta
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teardown_two_guests() {
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__ns1_pid=$(${NSHOLDER} "${STATESETUP}/ns1.hold" pid)
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__ns2_pid=$(${NSHOLDER} "${STATESETUP}/ns2.hold" pid)
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nsenter -U -p --preserve-credentials -t ${__ns1_pid} kill $(cat "${STATESETUP}/qemu_1.pid")
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nsenter -U -p --preserve-credentials -t ${__ns2_pid} kill $(cat "${STATESETUP}/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 $(cat "${STATESETUP}/passt_1.pid")
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nsenter -U -p --preserve-credentials -t ${__ns2_pid} kill $(cat "${STATESETUP}/passt_2.pid")
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context_wait passt_1
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context_wait passt_2
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${NSHOLDER} "${STATESETUP}/ns1.hold" stop
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${NSHOLDER} "${STATESETUP}/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 "${STATESETUP}/passt__[12].pid" "${STATESETUP}/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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