177 lines
4.1 KiB
Bash
Executable File
177 lines
4.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# THe name of the screen in which the proxy server will run
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PROXY_SCREEN="proxy"
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# The relative path of the velocity proxy server
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VELOCITY_DIR="proxy"
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# The relative path of the bungeecord proxy server
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BUNGEE_DIR="bungee"
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# How many seconds to sleep before starting the server again, unless it is explicitly specified
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DEFAULT_SLEEP_SECONDS=3
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function main {
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local proxy=false
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local bungee=false
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local help=false
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local sleep_seconds=$DEFAULT_SLEEP_SECONDS
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local config=""
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local start_proxy=false
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local tmp=false
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local cmd=$0
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# Parse arguments
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while [ $# -gt 0 ]; do
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local arg=$1
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case "$arg" in
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"--config" | "-c")
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local mode=$2
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case "$mode" in
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"proxy")
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config="velocity"
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;;
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"bungee")
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config="bungeecord"
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;;
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"standalone")
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config="standalone"
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;;
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*)
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err "Invalid mode for --config: $mode"
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;;
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esac
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if $proxy; then
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err "--config can't be used together with --proxy"
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elif $bungee; then
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err "--config can't be used together with --bungee"
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fi
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shift 2
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;;
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"--temp" | "--tmp" | "-t")
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tmp=true
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shift
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;;
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"--sleep" | "-s")
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sleep_seconds=$2
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shift 2
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;;
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"--proxy")
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proxy=true
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if $bungee; then
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err "--proxy can't be used together with --bungee"
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elif [[ -n $config ]]; then
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err "--proxy can't be used together with --config"
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fi
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shift
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;;
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"--bungee")
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bungee=true
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if $proxy; then
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err "--bungee can't be used together with --proxy"
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elif [[ -n $config ]]; then
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err "--bungee can't be used together with --config"
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fi
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shift
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;;
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"--help" | "-h")
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help=true
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shift
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;;
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*)
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err "Unknown argument: $arg"
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;;
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esac
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done
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# Late parsing:
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if $tmp && [[ -z $config ]]; then
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err "--temp requires --config parameter"
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fi
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if $proxy; then
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start_proxy=true
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config="velocity"
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tmp=true
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elif $bungee; then
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start_proxy=true
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config="bungeecord"
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tmp=true
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fi
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if $help; then
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echo "Create a start loop for the minecraft server, additionally behind a velocity proxy or bungeecord proxy"
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echo ""
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echo "Usage $cmd [OPTIONS]"
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echo ""
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echo "OPTIONS:"
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echo " -c --config <mode> How to configure the server. Possible values for mode are: proxy, bungee, standalone"
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echo " -t --temp --tmp Apply the configuration only temporary, while the server is running. Requires --config."
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echo " -s --sleep <secs> How many seconds to sleep after the server has stopped before starting it again"
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echo " -h --help Show help"
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echo " --proxy Start the server behind a velocity proxy"
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echo " --bungee Start the server behind a bungeecord proxy"
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exit
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fi
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# Apply configuration
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local previous_config=""
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if [[ -n $config ]]; then
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previous_config=$(./configure.sh "$config" --fetch)
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fi
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# Start proxy
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if $start_proxy; then
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# create proxy screen if it doesn't exist yet
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screen -ls | grep -q "$PROXY_SCREEN" || screen -dmS "$PROXY_SCREEN"
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# start the proxy
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local proxy_dir="$(pwd)/proxy"
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case "$config" in
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"velocity")
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proxy_dir=$VELOCITY_DIR
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;;
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"bungeecord")
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proxy_dir=$BUNGEE_DIR
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;;
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esac
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screen -S "$PROXY_SCREEN" -X stuff "cd $proxy_dir; ./launch.sh\n"
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echo "The proxy has been started in screen $PROXY_SCREEN"
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fi
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function cleanup {
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if $start_proxy; then
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# stop the proxy
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screen -S "$PROXY_SCREEN" -X stuff "end\n"
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echo "The proxy has been stopped"
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fi
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if $tmp; then
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./configure.sh "$previous_config"
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fi
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exit
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}
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trap cleanup SIGINT
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while true
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do
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echo starting server...
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./launch.sh
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echo sleeping...
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sleep "$sleep_seconds"
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done
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}
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# Shows an error message and exits the program with code 1
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#
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# Usage: err <msg>
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function err {
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echo "$1"
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exit 1
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}
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main "$@"
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