#!/bin/bash set -eo pipefail shopt -s nullglob DO_CHOWN=1 if [ "${CLICKHOUSE_DO_NOT_CHOWN:-0}" = "1" ]; then DO_CHOWN=0 fi CLICKHOUSE_UID="${CLICKHOUSE_UID:-"$(id -u clickhouse)"}" CLICKHOUSE_GID="${CLICKHOUSE_GID:-"$(id -g clickhouse)"}" # support --user if [ "$(id -u)" = "0" ]; then USER=$CLICKHOUSE_UID GROUP=$CLICKHOUSE_GID if command -v gosu &> /dev/null; then gosu="gosu $USER:$GROUP" elif command -v su-exec &> /dev/null; then gosu="su-exec $USER:$GROUP" else echo "No gosu/su-exec detected!" exit 1 fi else USER="$(id -u)" GROUP="$(id -g)" gosu="" DO_CHOWN=0 fi # set some vars CLICKHOUSE_CONFIG="${CLICKHOUSE_CONFIG:-/etc/clickhouse-server/config.xml}" if ! $gosu test -f "$CLICKHOUSE_CONFIG" -a -r "$CLICKHOUSE_CONFIG"; then echo "Configuration file '$dir' isn't readable by user with id '$USER'" exit 1 fi # get CH directories locations DATA_DIR="$(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 "$CLICKHOUSE_CONFIG" --key=logger.log || true)" LOG_DIR="" if [ -n "$LOG_PATH" ]; then LOG_DIR="$(dirname "$LOG_PATH")"; fi ERROR_LOG_PATH="$(clickhouse extract-from-config --config-file "$CLICKHOUSE_CONFIG" --key=logger.errorlog || true)" ERROR_LOG_DIR="" if [ -n "$ERROR_LOG_PATH" ]; then ERROR_LOG_DIR="$(dirname "$ERROR_LOG_PATH")"; fi FORMAT_SCHEMA_PATH="$(clickhouse extract-from-config --config-file "$CLICKHOUSE_CONFIG" --key=format_schema_path || true)" CLICKHOUSE_USER="${CLICKHOUSE_USER:-default}" CLICKHOUSE_PASSWORD="${CLICKHOUSE_PASSWORD:-}" CLICKHOUSE_DB="${CLICKHOUSE_DB:-}" CLICKHOUSE_ACCESS_MANAGEMENT="${CLICKHOUSE_DEFAULT_ACCESS_MANAGEMENT:-0}" for dir in "$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: $dir" exit 1 fi if [ "$DO_CHOWN" = "1" ]; then # ensure proper directories permissions chown -R "$USER:$GROUP" "$dir" elif ! $gosu test -d "$dir" -a -w "$dir" -a -r "$dir"; then echo "Necessary directory '$dir' isn't accessible by user with id '$USER'" exit 1 fi done # if clickhouse user is defined - create it (user "default" already exists out of box) if [ -n "$CLICKHOUSE_USER" ] && [ "$CLICKHOUSE_USER" != "default" ] || [ -n "$CLICKHOUSE_PASSWORD" ]; then echo "$0: create new user '$CLICKHOUSE_USER' instead 'default'" cat < /etc/clickhouse-server/users.d/default-user.xml <${CLICKHOUSE_USER}> default ::/0 ${CLICKHOUSE_PASSWORD} default ${CLICKHOUSE_ACCESS_MANAGEMENT} EOT fi if [ -n "$(ls /docker-entrypoint-initdb.d/)" ] || [ -n "$CLICKHOUSE_DB" ]; then # port is needed to check if clickhouse-server is ready for connections HTTP_PORT="$(clickhouse extract-from-config --config-file "$CLICKHOUSE_CONFIG" --key=http_port)" # Listen only on localhost until the initialization is done $gosu /usr/bin/clickhouse-server --config-file="$CLICKHOUSE_CONFIG" -- --listen_host=127.0.0.1 & pid="$!" # check if clickhouse is ready to accept connections # will try to send ping clickhouse via http_port (max 12 retries by default, with 1 sec timeout and 1 sec delay between retries) tries=${CLICKHOUSE_INIT_TIMEOUT:-12} while ! wget --spider -T 1 -q "http://127.0.0.1:$HTTP_PORT/ping" 2>/dev/null; do if [ "$tries" -le "0" ]; then echo >&2 'ClickHouse init process failed.' exit 1 fi tries=$(( tries-1 )) sleep 1 done clickhouseclient=( clickhouse-client --multiquery --host "127.0.0.1" -u "$CLICKHOUSE_USER" --password "$CLICKHOUSE_PASSWORD" ) echo # create default database, if defined if [ -n "$CLICKHOUSE_DB" ]; then echo "$0: create database '$CLICKHOUSE_DB'" "${clickhouseclient[@]}" -q "CREATE DATABASE IF NOT EXISTS $CLICKHOUSE_DB"; fi for f in /docker-entrypoint-initdb.d/*; do case "$f" in *.sh) if [ -x "$f" ]; then echo "$0: running $f" "$f" else echo "$0: sourcing $f" # shellcheck source=/dev/null . "$f" fi ;; *.sql) echo "$0: running $f"; "${clickhouseclient[@]}" < "$f" ; 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" "$@" fi # Otherwise, we assume the user want to run his own process, for example a `bash` shell to explore this image exec "$@"