deadwind4 commented on code in PR #20174: URL: https://github.com/apache/flink/pull/20174#discussion_r934328425
########## flink-table/flink-sql-gateway/bin/sql-gateway.sh: ########## @@ -0,0 +1,94 @@ +#!/usr/bin/env bash +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +function usage() { + echo "Usage: sql-gateway.sh [start|start-foreground|stop|stop-all] [args]" + echo " commands:" + echo " start - Run a SQL Gateway as a daemon" + echo " start-foreground - Run a SQL Gateway as a console application" + echo " stop - Stop the SQL Gateway daemon" + echo " stop-all - Stop all the SQL Gateway daemons" + echo " -h | --help - Show this help message" +} + +################################################################################ +# Adopted from "flink" bash script +################################################################################ + +target="$0" +# For the case, the executable has been directly symlinked, figure out +# the correct bin path by following its symlink up to an upper bound. +# Note: we can't use the readlink utility here if we want to be POSIX +# compatible. +iteration=0 +while [ -L "$target" ]; do + if [ "$iteration" -gt 100 ]; then + echo "Cannot resolve path: You have a cyclic symlink in $target." + break + fi + ls=`ls -ld -- "$target"` + target=`expr "$ls" : '.* -> \(.*\)$'` + iteration=$((iteration + 1)) +done + +# Convert relative path to absolute path +bin=`dirname "$target"` + +# get flink config +. "$bin"/config.sh + +if [ "$FLINK_IDENT_STRING" = "" ]; then + FLINK_IDENT_STRING="$USER" +fi + +################################################################################ +# SQL gateway specific logic +################################################################################ + +ENTRYPOINT=sql-gateway + +if [[ "$1" = *--help ]] || [[ "$1" = *-h ]]; then + usage + exit 0 +fi + +STARTSTOP=$1 + +if [ -z "$STARTSTOP" ]; then + STARTSTOP="start" +fi + +if [[ $STARTSTOP != "start" ]] && [[ $STARTSTOP != "start-foreground" ]] && [[ $STARTSTOP != "stop" ]] && [[ $STARTSTOP != "stop-all" ]]; then + usage + exit 1 +fi + +# ./sql-gateway.sh start --help, print the message to the console +if [[ "$STARTSTOP" = start* ]] && ( [[ "$*" = *--help ]] || [[ "$*" = *-h ]] ); then Review Comment: ```suggestion if [[ "$STARTSTOP" = start* ]] && ( [[ "$*" = *--help* ]] || [[ "$*" = *-h* ]] ); then ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
