laradock/clickhouse/entrypoint.sh

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2020-11-11 13:47:25 +08:00
#!/bin/bash
# set some vars
CLICKHOUSE_CONFIG="${CLICKHOUSE_CONFIG:-/etc/clickhouse-server/config.xml}"
if [ x"$UID" == x0 ]; then
USER="$(id -u clickhouse)"
GROUP="$(id -g clickhouse)"
gosu="gosu $USER:$GROUP"
else
USER="$(id -u)"
GROUP="$(id -g)"
gosu=""
fi
# port is needed to check if clickhouse-server is ready for connections
HTTP_PORT="$(clickhouse extract-from-config --config-file $CLICKHOUSE_CONFIG --key=http_port)"
# get CH directories locations
DATA_DIR="$(clickhouse extract-from-config --config-file $CLICKHOUSE_CONFIG --key=path || true)"
TMP_DIR="$(clickhouse extract-from-config --config-file $CLICKHOUSE_CONFIG --key=tmp_path || true)"
USER_PATH="$(clickhouse extract-from-config --config-file $CLICKHOUSE_CONFIG --key=user_files_path || true)"
LOG_PATH="$(clickhouse extract-from-config --config-file $CLICKHOUSE_CONFIG --key=logger.log || true)"
LOG_DIR="$(dirname $LOG_PATH || true)"
ERROR_LOG_PATH="$(clickhouse extract-from-config --config-file $CLICKHOUSE_CONFIG --key=logger.errorlog || true)"
ERROR_LOG_DIR="$(dirname $ERROR_LOG_PATH || true)"
FORMAT_SCHEMA_PATH="$(clickhouse extract-from-config --config-file $CLICKHOUSE_CONFIG --key=format_schema_path || true)"
CLICKHOUSE_USER="${CLICKHOUSE_USER:-default}"
for dir in "$DATA_DIR" \
"$ERROR_LOG_DIR" \
"$LOG_DIR" \
"$TMP_DIR" \
"$USER_PATH" \
"$FORMAT_SCHEMA_PATH"
do
# check if variable not empty
[ -z "$dir" ] && continue
# ensure directories exist
if ! mkdir -p "$dir"; then
echo "Couldn't create necessary directory: $dir"
exit 1
fi
if [ x"$UID" == x0 ] && [ "$CLICKHOUSE_DO_NOT_CHOWN" != "1" ]; then
# ensure proper directories permissions
chown -R "$USER:$GROUP" "$dir"
elif [ "$(stat -c %u "$dir")" != "$USER" ]; then
echo "Necessary directory '$dir' isn't owned by user with id '$USER'"
exit 1
fi
done
if [ -n "$(ls /docker-entrypoint-initdb.d/)" ]; then
$gosu /usr/bin/clickhouse-server --config-file=$CLICKHOUSE_CONFIG &
pid="$!"
# check if clickhouse is ready to accept connections
# will try to send ping clickhouse via http_port (max 12 retries, with 1 sec delay)
if ! wget --spider --quiet --tries=12 --waitretry=1 --retry-connrefused "http://localhost:$HTTP_PORT/ping" ; then
echo >&2 'ClickHouse init process failed.'
exit 1
fi
if [ ! -z "$CLICKHOUSE_PASSWORD" ]; then
printf -v WITH_PASSWORD '%s %q' "--password" "$CLICKHOUSE_PASSWORD"
fi
clickhouseclient=( clickhouse-client --multiquery -u $CLICKHOUSE_USER $WITH_PASSWORD )
echo
for f in /docker-entrypoint-initdb.d/*; do
case "$f" in
*.sh)
if [ -x "$f" ]; then
echo "$0: running $f"
"$f"
else
echo "$0: sourcing $f"
. "$f"
fi
;;
*.sql) echo "$0: running $f"; cat "$f" | "${clickhouseclient[@]}" ; echo ;;
*.sql.gz) echo "$0: running $f"; gunzip -c "$f" | "${clickhouseclient[@]}"; echo ;;
*) echo "$0: ignoring $f" ;;
esac
echo
done
if ! kill -s TERM "$pid" || ! wait "$pid"; then
echo >&2 'Finishing of ClickHouse init process failed.'
exit 1
fi
fi
# if no args passed to `docker run` or first argument start with `--`, then the user is passing clickhouse-server arguments
if [[ $# -lt 1 ]] || [[ "$1" == "--"* ]]; then
exec $gosu /usr/bin/clickhouse-server --config-file=$CLICKHOUSE_CONFIG "$@"
fi
# Otherwise, we assume the user want to run his own process, for example a `bash` shell to explore this image
exec "$@"