Coordinate distributed systems.
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set -x -e
clean_exit () {
local error_code="$?"
kill $(jobs -p)
rm -rf ${MYSQL_DATA}
return $error_code
wait_for_line () {
while read line
echo "$line" | grep -q "$1" && break
done < "$2"
# Read the fifo for ever otherwise process would block
cat "$2" >/dev/null &
get_random_port () {
while netstat -atwn | grep "^.*:${PORT}.*:\*\s*LISTEN\s*$"
PORT=$(( ${PORT} + 1 ))
trap "clean_exit" EXIT
# On systems like Fedora here's where mysqld can be found
export PATH=$PATH:/usr/libexec
# Start MySQL process for tests
MYSQL_DATA=`mktemp -d /tmp/tooz-mysql-XXXXX`
mkfifo ${MYSQL_DATA}/out
# Initialize MySQL Data Directory
mysql_install_db --user=${USER} --ldata=${MYSQL_DATA}
# Get random unused port for mysql
# Start mysqld with networking (i.e. - allow connection with TCP/IP)
mysqld --no-defaults --datadir=${MYSQL_DATA} --port=${PORT} --pid-file=${MYSQL_DATA}/ --socket=${MYSQL_DATA}/mysql.socket --slow-query-log-file=${MYSQL_DATA}/mysql-slow.log --skip-grant-tables &> ${MYSQL_DATA}/out &
# Wait for MySQL to start listening to connections
wait_for_line "mysqld: ready for connections." ${MYSQL_DATA}/out
# The default root password is blank
mysql --host=localhost -S ${MYSQL_DATA}/mysql.socket -e 'CREATE DATABASE IF NOT EXISTS test;'
export TOOZ_TEST_MYSQL_URL="mysql://root@localhost:${PORT}/test"
# Yield execution to venv command