tests: Add pane_status command to check for success of issued commands
When we use pane_wait to wait for a command issued to a tmux pane to finish
we have no idea whether the command succeeded or not. This means that the
test scripts can keep running long after the point something vital has
failed, making it difficult to work out what went wrong.
Add a new pane_status command that checks for success of the issued command
and use it in most places instead of pane_wait. We still need explicit
pane_wait where we're gathering explicit output with pane_parse, because
the way we check the status with 'echo $?' means we lose track of that
output.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
[sbrivio:
- instead of quitting the script, make a test fail if a command
issued in a pane fails during a test, and loop until the status code is
numeric in pane_status() as a hack to make it a bit more robust
- retain usage of pane_wait() in iperf3 and teardown functions as we
interrupt iperf3, passt, and pasta, so a non-zero exit code is expected
- drop bogus ns_{1,2}_wait() calls in teardown_two_guests(), those
functions were never implemented
- use pane_status() for "guest" test directives too
]
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson
Stefano Brivio
parent
3e0641f91f
commit
13ad716f30
3 changed files with 59 additions and 50 deletions
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@ -32,10 +32,10 @@ setup_passt() {
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__mbuto_dir="$(mktemp -d)"
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pane_run GUEST "git -C ${__mbuto_dir} clone git://mbuto.sh/mbuto"
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pane_wait GUEST
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pane_status GUEST
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pane_run GUEST "${__mbuto_dir}/mbuto/mbuto -p passt -c lz4 -f mbuto.img"
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pane_wait GUEST
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pane_status GUEST
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rm -rf "${__mbuto_dir}"
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@ -52,9 +52,9 @@ setup_passt() {
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[ ${TRACE} -eq 1 ] && __opts="${__opts} --trace"
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pane_run PASST "make clean"
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pane_wait PASST
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pane_status PASST
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pane_run PASST "make valgrind"
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pane_wait PASST
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pane_status PASST
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pane_run PASST "valgrind --max-stackframe=$((4 * 1024 * 1024)) --trace-children=yes --vgdb=no --error-exitcode=1 --suppressions=test/valgrind.supp ./passt ${__opts} -f -t 10001 -u 10001 -P passt.pid"
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sleep 5
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@ -66,7 +66,7 @@ setup_passt() {
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'virtio-net.napi_tx=1"' \
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" -device virtio-net-pci,netdev=hostnet0,x-txburst=16384" \
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" -netdev socket,fd=5,id=hostnet0"
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pane_wait GUEST
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pane_status GUEST
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}
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# setup_pasta() - Create a network and user namespace, connect pasta to it
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@ -80,7 +80,7 @@ setup_pasta() {
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__tty_pid="$(pane_parse NS)"
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pane_run NS "unshare -rUnpf /bin/sh"
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pane_wait NS
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pane_status NS
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pane_run PASST "pstree -p ${__tty_pid} | sed -n 's/.*(\([0-9].*\))$/\1/p'"
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pane_wait PASST
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@ -131,24 +131,24 @@ setup_passt_in_ns() {
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pane_run PASST "./pasta ${__opts} -t 10001,10002,10011,10012 -T 10003,10013 -u 10001,10002,10011,10012 -U 10003,10013 -P ${__pid_file}"
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sleep 1
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pane_run PASST ''
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pane_wait PASST
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pane_status PASST
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__pasta_pid="$(cat "${__pid_file}")"
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__ns_pid="$(cat /proc/${__pasta_pid}/task/${__pasta_pid}/children | cut -f1 -d' ')"
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rm "${__pid_file}"
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pane_run GUEST "nsenter -t ${__ns_pid} -U -n --preserve-credentials"
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pane_run NS "nsenter -t ${__ns_pid} -U -n -p --preserve-credentials"
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pane_wait GUEST
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pane_wait NS
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pane_status GUEST
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pane_status NS
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pane_run NS "ip -j li sh | jq -rM '.[] | select(.link_type == \"ether\").ifname'"
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pane_wait NS
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__ifname="$(pane_parse NS)"
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pane_run NS "/sbin/udhcpc -i ${__ifname}"
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pane_wait NS
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pane_status NS
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sleep 2
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pane_run NS "/sbin/dhclient -6 ${__ifname}"
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pane_wait NS
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pane_status NS
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__opts=
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[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/passt_in_pasta.pcap"
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@ -157,15 +157,15 @@ setup_passt_in_ns() {
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if [ ${VALGRIND} -eq 1 ]; then
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pane_run PASST "make clean"
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pane_wait PASST
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pane_status PASST
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pane_run PASST "make valgrind"
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pane_wait PASST
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pane_status PASST
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pane_run PASST "valgrind --max-stackframe=$((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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pane_run PASST "make clean"
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pane_wait PASST
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pane_status PASST
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pane_run PASST "make"
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pane_wait PASST
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pane_status PASST
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pane_run PASST "./passt -f ${__opts} -t 10001,10011,10021,10031 -u 10001,10011,10021,10031 -P passt.pid"
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fi
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sleep 5
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@ -178,7 +178,7 @@ setup_passt_in_ns() {
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'virtio-net.napi_tx=1"' \
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" -device virtio-net-pci,netdev=hostnet0,x-txburst=524288" \
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" -netdev socket,fd=5,id=hostnet0"
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pane_wait GUEST
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pane_status GUEST
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}
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# setup_two_guests() - Set up two namespace, run qemu and passt in both of them
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@ -216,8 +216,8 @@ setup_two_guests() {
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pane_run PASST_1 ''
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pane_run PASST_2 ''
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pane_wait PASST_1
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pane_wait PASST_2
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pane_status PASST_1
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pane_status PASST_2
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__pasta1_pid="$(cat "${__pid1_file}")"
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__ns1_pid="$(cat /proc/${__pasta1_pid}/task/${__pasta1_pid}/children | cut -f1 -d' ')"
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rm "${__pid1_file}"
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@ -234,13 +234,13 @@ setup_two_guests() {
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pane_run GUEST_1 "/sbin/udhcpc -i ${__ifname}"
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pane_run GUEST_2 "/sbin/udhcpc -i ${__ifname}"
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pane_wait GUEST_1
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pane_wait GUEST_2
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pane_status GUEST_1
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pane_status GUEST_2
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sleep 2
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pane_run GUEST_1 "/sbin/dhclient -6 ${__ifname}"
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pane_run GUEST_2 "/sbin/dhclient -6 ${__ifname}"
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pane_wait GUEST_1
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pane_wait GUEST_2
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pane_status GUEST_1
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pane_status GUEST_2
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__opts=
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[ ${PCAP} -eq 1 ] && __opts="${__opts} -p /tmp/passt_1.pcap"
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@ -257,7 +257,7 @@ setup_two_guests() {
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pane_run PASST_2 "./passt -f ${__opts} -t 10004 -u 10004"
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pane_run GUEST_2 'cp mbuto.img mbuto_2.img'
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pane_wait GUEST_2
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pane_status GUEST_2
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pane_run GUEST_1 './qrap 5 kvm -m '${VMEM}' -cpu host -smp '${VCPUS} \
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' -kernel ' "/boot/vmlinuz-$(uname -r)" \
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@ -275,8 +275,8 @@ setup_two_guests() {
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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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pane_wait GUEST_1
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pane_wait GUEST_2
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pane_status GUEST_1
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pane_status GUEST_2
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}
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# teardown_passt() - Kill qemu, remove passt PID file
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@ -301,7 +301,7 @@ teardown_passt_in_ns() {
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tmux send-keys -t ${PANE_GUEST} "C-d"
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[ ${VALGRIND} -eq 0 ] && tmux send-keys -t ${PANE_PASST} "C-c"
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[ ${VALGRIND} -eq 0 ] && pane_wait GUEST
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[ ${VALGRIND} -eq 0 ] && pane_status GUEST
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tmux send-keys -t ${PANE_PASST} "C-d"
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tmux send-keys -t ${PANE_NS} "C-d"
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@ -331,13 +331,8 @@ teardown_two_guests() {
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pane_wait PASST_2
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tmux send-keys -t ${PANE_PASST_2} "C-d"
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tmux send-keys -t ${PANE_NS_1} "C-d"
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tmux send-keys -t ${PANE_NS_2} "C-d"
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pane_wait GUEST_1
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pane_wait GUEST_2
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ns_1_wait
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ns_2_wait
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pane_wait PASST_1
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pane_wait PASST_2
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}
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@ -228,6 +228,20 @@ pane_parse() {
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printf '%s' "${__buf}" || printf '@EMPTY@'
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}
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# pane_status() - Wait for command to complete and return its exit status
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# $1: Pane name
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pane_status() {
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pane_wait "${1}"
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__status="$(pane_parse "${1}")"
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while ! [ "${__status}" -eq "${__status}" ]; do
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sleep 1
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pane_run "${1}" 'echo $?'
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pane_wait "${1}"
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__status="$(pane_parse "${1}")"
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done
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return ${__status}
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}
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# status_file_end() - Display and log messages when tests from one file are done
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status_file_end() {
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[ -z "${STATUS_FILE}" ] && return
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@ -52,7 +52,7 @@ test_iperf3() {
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}'); do' \
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':> s${i}.bw; done'
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pane_wait "${__pane}"
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pane_status "${__pane}"
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if [ ${UDP_CLIENT} -eq 0 ]; then
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}');' \
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@ -70,7 +70,7 @@ test_iperf3() {
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'done'
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fi
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pane_wait "${__pane}"
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pane_status "${__pane}"
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sleep 45
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}'); do' \
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'kill -INT $(cat s${i}.pid) 2>/dev/null; done'
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@ -83,7 +83,7 @@ test_iperf3() {
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pane_parse "${__pane}"
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pane_run "${__pane}" 'for i in $(seq 0 '${__procs}'); do' \
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'rm -f s${i}.bw; done'
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pane_wait "${__pane}"
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pane_status "${__pane}"
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}
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test_one_line() {
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@ -139,13 +139,13 @@ test_one_line() {
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;;
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"host")
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pane_run HOST "${__arg}"
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pane_wait HOST
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pane_status HOST || TEST_ONE_nok=1
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;;
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"hostb")
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pane_run HOST "${__arg}"
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;;
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"hostw")
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pane_wait HOST
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pane_status HOST || TEST_ONE_nok=1
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;;
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"hint")
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tmux send-keys -t ${PANE_HOST} "C-c"
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@ -157,13 +157,13 @@ test_one_line() {
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;;
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"passt")
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pane_run PASST "${__arg}"
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pane_wait PASST
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pane_status PASST || TEST_ONE_nok=1
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;;
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"passtb")
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pane_run PASST "${__arg}"
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;;
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"passtw")
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pane_wait PASST
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pane_status PASST || TEST_ONE_nok=1
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;;
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"pout")
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__varname="${__arg%% *}"
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@ -173,23 +173,23 @@ test_one_line() {
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;;
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"guest")
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pane_run GUEST "${__arg}"
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pane_wait GUEST
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pane_status GUEST || TEST_ONE_nok=1
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;;
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"guestb")
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pane_run GUEST "${__arg}"
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;;
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"guestw")
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pane_wait GUEST
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pane_status GUEST || TEST_ONE_nok=1
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;;
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"guest1")
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pane_run GUEST_1 "${__arg}"
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pane_wait GUEST_1
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pane_status GUEST_1 || TEST_ONE_nok=1
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;;
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"guest1b")
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pane_run GUEST_1 "${__arg}"
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;;
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"guest1w")
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pane_wait GUEST_1
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pane_status GUEST_1 || TEST_ONE_nok=1
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;;
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"gtools")
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pane_run GUEST 'which '"${__arg}"' >/dev/null || echo skip'
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@ -208,25 +208,25 @@ test_one_line() {
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;;
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"guest2")
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pane_run GUEST_2 "${__arg}"
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pane_wait GUEST_2
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pane_status GUEST_2 || TEST_ONE_nok=1
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;;
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"guest2b")
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pane_run GUEST_2 "${__arg}"
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;;
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"guest2w")
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pane_wait GUEST_2
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pane_status GUEST_2 || TEST_ONE_nok=1
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;;
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"ns")
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pane_run NS "${__arg}"
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pane_wait NS
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pane_status NS || TEST_ONE_nok=1
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;;
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"ns1")
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pane_run NS1 "${__arg}"
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pane_wait NS1
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pane_status NS1 || TEST_ONE_nok=1
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;;
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"ns2")
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pane_run NS2 "${__arg}"
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pane_wait NS2
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pane_status NS2 || TEST_ONE_nok=1
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;;
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"nsb")
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pane_run NS "${__arg}"
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@ -238,13 +238,13 @@ test_one_line() {
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pane_run NS2 "${__arg}"
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;;
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"nsw")
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pane_wait NS
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pane_status NS || TEST_ONE_nok=1
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;;
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"ns1w")
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pane_wait NS1
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pane_status NS1 || TEST_ONE_nok=1
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;;
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"ns2w")
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pane_wait NS2
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pane_status NS2 || TEST_ONE_nok=1
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;;
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"nstools")
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pane_run NS 'which '"${__arg}"' >/dev/null || echo skip'
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Reference in a new issue