container-images/mysql-replication-init/tools/start

#!/bin/bash

test -z "${FILEPATH}" && FILEPATH=/var/data/db/master_dump.sql
mkdir -p $(dirname "${FILEPATH}")
useradd gerrit -u 1000 -g users
chown -R gerrit:users /var/data/db
rm -f ${FILEPATH} || echo "File did not exist yet."

getTimeFromLastChange() {
    lastAccess=$(stat --format=%Y ${FILEPATH})
    now=$(date +%s)
    timePassed=$((now - lastAccess))
    echo ${timePassed}
}

echo "$(date): Started"
echo "Waiting for database dump file at ${FILEPATH}"
while ! test -f ${FILEPATH}; do
    sleep 1
done
echo "$(date): File appeared"

echo "Waiting for the copy process to finish."
while [ "$(getTimeFromLastChange ${FILEPATH})" -lt 5 ]; do
    sleep 1
done
echo "$(date): Database dump received"

# Load database dump into database
mysql -h ${MYSQL_HOST} -P${MYSQL_PORT} -u root -p${MYSQL_ROOT_PASSWORD} < ${FILEPATH}

# Configure and start database slave
mysql -h ${MYSQL_HOST} -P${MYSQL_PORT} -u root -p${MYSQL_ROOT_PASSWORD} \
    -e "set @replpwd='${REPL_PASSWORD}'; source /var/sql/initialize-slave.sql;"