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Improve iperf3 error handling in runtest.sh by capturing stderr and logging detailed error messages

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Yaro Kasear 2025-04-21 13:54:02 -05:00
parent cb3278b280
commit 26c3927e75
1 changed files with 13 additions and 7 deletions
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20
runtest.sh
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@ -110,23 +110,25 @@ while [ "$COUNTER" -lt "$NUM_TESTS" ]; do
packet_loss=$(ping -c $PING_COUNT -q $PING_TARGET | grep -oP '\d+(?=% packet loss)') packet_loss=$(ping -c $PING_COUNT -q $PING_TARGET | grep -oP '\d+(?=% packet loss)')
jitter=$(ping -c $PING_COUNT $PING_TARGET | grep "time=" | awk '{print $(NF-1)}' | sed 's/time=//g' | awk '{sum+=$1; sumsq+=$1*$1} END {if (NR>1) print sqrt(sumsq/NR - (sum/NR)**2); else print 0}') jitter=$(ping -c $PING_COUNT $PING_TARGET | grep "time=" | awk '{print $(NF-1)}' | sed 's/time=//g' | awk '{sum+=$1; sumsq+=$1*$1} END {if (NR>1) print sqrt(sumsq/NR - (sum/NR)**2); else print 0}')
# iperf3 function
run_iperf() { run_iperf() {
local target="$1" local target="$1"
local mode="$2" local mode="$2"
local direction="$3" local direction="$3"
local args=("-c" "$target" "-J" "-t" "10") local args=("-c" "$target" "-J" "-t" "10")
if [ "$mode" = "udp" ]; then if [ "$mode" = "udp" ]; then
args+=("-u") args+=("-u")
fi fi
if [ "$direction" = "down" ]; then if [ "$direction" = "down" ]; then
args+=("--reverse") args+=("--reverse")
fi fi
local tmp_err
tmp_err=$(mktemp)
local result local result
result=$(iperf3 "${args[@]}" 2>/dev/null | jq -r ' result=$(iperf3 "${args[@]}" 2>"$tmp_err" | jq -r '
if .error then if .error then
"iperf3-error" "iperf3-error"
elif has("end") | not then elif has("end") | not then
@ -138,15 +140,19 @@ while [ "$COUNTER" -lt "$NUM_TESTS" ]; do
else else
"unexpected-format" "unexpected-format"
end' || echo "execution-failed") end' || echo "execution-failed")
if [[ "$result" == "iperf3-error" || "$result" == "no-end" || "$result" == "unexpected-format" || "$result" == "execution-failed" ]]; then if [[ "$result" == "iperf3-error" || "$result" == "no-end" || "$result" == "unexpected-format" || "$result" == "execution-failed" ]]; then
echo "$(date -Iseconds),iperf $mode $direction to $target failed with '$result'" >> "$FAILURE_LOG" echo "$(date -Iseconds),iperf $mode $direction to $target failed with '$result'" >> "$FAILURE_LOG"
echo "0" # Fallback value for CSV echo "[stderr] $(cat "$tmp_err")" >> "$FAILURE_LOG"
echo "0"
else else
echo "$result" echo "$result"
fi fi
rm -f "$tmp_err"
} }
echo " Running iperf3 tests..." echo " Running iperf3 tests..."
# Run them all. These are in bits per second, convert as needed later. # Run them all. These are in bits per second, convert as needed later.