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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eux
set -o pipefail
NPROC=$(nproc)
MAX_QUEUE_SIZE=${NPROC:-2}
TESTS_GLOB=${TESTS_GLOB:-test-*}
mapfile -t TEST_LIST < <(find /usr/lib/systemd/tests/ -maxdepth 1 -type f -name "${TESTS_GLOB}")
# Reset state
rm -fv /failed-tests /skipped-tests /skipped
if ! systemd-detect-virt -qc; then
# Make sure ping works for unprivileged users (for test-bpf-firewall)
sysctl net.ipv4.ping_group_range="0 2147483647"
fi
# Check & report test results
# Arguments:
# $1: test path
# $2: test exit code
function report_result() {
if [[ $# -ne 2 ]]; then
echo >&2 "check_result: missing arguments"
exit 1
fi
local name="${1##*/}"
local ret=$2
if [[ $ret -ne 0 && $ret != 77 ]]; then
echo "$name failed with $ret"
echo "$name" >>/failed-tests
{
echo "--- $name begin ---"
cat "/$name.log"
echo "--- $name end ---"
} >>/failed
elif [[ $ret == 77 ]]; then
echo "$name skipped"
echo "$name" >>/skipped-tests
{
echo "--- $name begin ---"
cat "/$name.log"
echo "--- $name end ---"
} >>/skipped
else
echo "$name OK"
echo "$name" >>/testok
fi
systemd-cat echo "--- $name ---"
systemd-cat cat "/$name.log"
}
set +x
# Associative array for running tasks, where running[test-path]=PID
declare -A running=()
for task in "${TEST_LIST[@]}"; do
# If there's MAX_QUEUE_SIZE running tasks, keep checking the running queue
# until one of the tasks finishes, so we can replace it.
while [[ ${#running[@]} -ge $MAX_QUEUE_SIZE ]]; do
for key in "${!running[@]}"; do
if ! kill -0 "${running[$key]}" &>/dev/null; then
# Task has finished, report its result and drop it from the queue
wait "${running[$key]}" && ec=0 || ec=$?
report_result "$key" $ec
unset "running[$key]"
# Break from inner for loop and outer while loop to skip
# the sleep below when we find a free slot in the queue
break 2
fi
done
# Precisely* calculated constant to keep the spinlock from burning the CPU(s)
sleep 0.01
done
if [[ -x $task ]]; then
echo "Executing test '$task'"
log_file="/${task##*/}.log"
$task &>"$log_file" &
running[$task]=$!
fi
done
# Wait for remaining running tasks
for key in "${!running[@]}"; do
echo "Waiting for test '$key' to finish"
wait ${running[$key]} && ec=0 || ec=$?
report_result "$key" $ec
unset "running[$key]"
done
set -x
# Test logs are sometimes lost, as the system shuts down immediately after
journalctl --sync
exit 0
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