Move deployment script to gist: https://gist.github.com/GabrielTofvesson/eb093c1434f5541bd9984e7baac4d65f
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Gabriel Tofvesson
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test_env.sh
276
test_env.sh
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#!/bin/bash
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MIN_JAVA_VERSION=15
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[ -z "$JAVA_PATH" ] && JAVA_PATH=$(which java)
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[ -z "$PYTHON_PATH" ] && PYTHON_PATH=$(which python3)
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[ -z "$SHELL" ] && SHELL=/bin/bash
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SCRIPT_RUN_NAME="start.sh"
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SCRIPT_DEBUG_NAME="start_debug.sh"
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# JVM options graciously "borrowed" from the PaperMC Timings JVM Tuning page
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# https://aikar.co/2018/07/02/tuning-the-jvm-g1gc-garbage-collector-flags-for-minecraft/
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MC_AUTORUN_FLAGS="-XX:+UnlockExperimentalVMOptions -Xmx1G -Xms512M -XX:+UseG1GC -XX:+ParallelRefProcEnabled -XX:MaxGCPauseMillis=200 -XX:+DisableExplicitGC -XX:+AlwaysPreTouch -XX:G1NewSizePercent=30 -XX:G1MaxNewSizePercent=40 -XX:G1HeapRegionSize=8M -XX:G1ReservePercent=20 -XX:G1HeapWastePercent=5 -XX:G1MixedGCCountTarget=4 -XX:InitiatingHeapOccupancyPercent=15 -XX:G1MixedGCLiveThresholdPercent=90 -XX:G1RSetUpdatingPauseTimePercent=5 -XX:SurvivorRatio=32 -XX:+PerfDisableSharedMem -XX:MaxTenuringThreshold=1"
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MC_VERSION="1.16"
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ENV_DIR="$(pwd)/server"
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PAPER_JAR_FILE="paper.jar"
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PLUGIN_PATH=""
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UPDATE_PAPER=true
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AUTORUN=""
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EULA=false
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DEPS=""
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CLEAR_PLUGINS=0
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print_help() {
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echo -e "Paper test server deployment script\nArguments:"
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echo " -v [VERSION] - Specify minecraft version to download"
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echo " -p [PATH] - Path to plugin to debug"
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echo " -d [PATH] - Path to directory where server will be deployed"
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echo " -j [PATH] - Java executable path"
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echo " --python [PATH] - Python3 executable path"
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echo " --no-update - Don't download updates for Paper if jar file already exists"
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echo " -n - Same as --no-update"
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echo " -s [type] - Autorun server after deployment. Type is \"debug\" to start with remote debugging, else \"run\""
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echo " -e - Accepts the EULA for the deployed server (user must accept it in a provided prompt)"
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echo " --deps [PATH] - Path for plugin dependencies needed to load plugin"
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echo " -c - Delete existing plugins directory on autorun"
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echo " -h - Show this help prompt"
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echo -e "Example:\n $0 -v 1.16 -p out/plugin.jar -s debug -e"
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}
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print_error() {
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echo "[ERROR] $1" >&2
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return 1
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}
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print_info() {
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if [ $# -eq 2 ]
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then
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echo -e "$1" "[TEST_ENV] $2"
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else
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echo -e "[TEST_ENV] $1"
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fi
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return 1
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}
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SKIP=false
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CUR=""
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TARGET=""
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for arg in "$@"
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do
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if $SKIP
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then
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eval "$TARGET"="$arg"
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SKIP=false
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continue
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fi
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CUR="$arg"
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case "$arg" in
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"-h")
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print_help
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exit
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;;
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"-v")
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TARGET="MC_VERSION"
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SKIP=true
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;;
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"-p")
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TARGET="PLUGIN_PATH"
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SKIP=true
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;;
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"-d")
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TARGET="ENV_DIR"
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SKIP=true
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;;
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"-j")
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TARGET="JAVA_PATH"
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SKIP=true
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;;
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"--python")
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TARGET="PYTHON_PATH"
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SKIP=true
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;;
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"-n" | "--no-update")
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UPDATE_PAPER=false
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;;
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"-s")
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TARGET="AUTORUN"
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SKIP=true
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;;
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"-e")
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EULA=true
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;;
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"--deps")
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TARGET="DEPS"
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SKIP=true
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;;
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"-c")
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CLEAR_PLUGINS=1
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;;
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*)
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print_error "Unknown argument: $arg"
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exit
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;;
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esac
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done
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if $SKIP
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then
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print_error "Malformed parameter $CUR"
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exit
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fi
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case "$AUTORUN" in
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"run")
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AUTORUN="$SCRIPT_RUN_NAME"
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;;
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"debug")
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AUTORUN="$SCRIPT_DEBUG_NAME"
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;;
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*)
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print_error "Unknown autorun argument \"$AUTORUN\""
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exit
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;;
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esac
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check_java_version() {
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version=$("$JAVA_PATH" -version 2>&1 | head -n 1 | sed "s/java version \"\\([0-9]*\\)\\..*/\\1/g")
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if [ "$version" -lt "$MIN_JAVA_VERSION" ]
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then
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print_error "Java version is too low! Minimum is $MIN_JAVA_VERSION (found $version)"
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return 1
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fi
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print_info "Found Java version $version"
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return 0
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}
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ensure_python3() {
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if [ -z "$PYTHON_PATH" ]
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then
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print_error "Could not locate Python3 which is required for automatic server deployment: please install it"
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return 1
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fi
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print_info "Found Python3 binary"
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return 0
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}
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get_paper() {
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print_info "Polling all versions of paper for MC $MC_VERSION"
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link=$(curl -s "https://papermc.io/api/v2/projects/paper/version_group/$MC_VERSION/builds" | python3 -c "import sys, json; versions=json.load(sys.stdin); print('https://papermc.io/api/v2/projects/paper/versions/' + str(versions['builds'][-1]['version']) + '/builds/' + str(versions['builds'][-1]['build']) + '/downloads/' + str(versions['builds'][-1]['downloads']['application']['name']))")
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if [ -f "new_$PAPER_JAR_FILE" ]
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then
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rm -f "new_$PAPER_JAR_FILE"
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fi
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print_info "Downloading from pulled link: $link"
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result=$(curl -o "new_$PAPER_JAR_FILE" -s -w "%{http_code}" "$link")
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if [ "$result" -eq 200 ] && [ -f "new_$PAPER_JAR_FILE" ]
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then
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rm -f "$PAPER_JAR_FILE"
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mv "new_$PAPER_JAR_FILE" "$PAPER_JAR_FILE"
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print_info "Downloaded latest version of paper"
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return 1
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else
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print_info "Could not download new version of paper"
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return 0
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fi
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}
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check_java_version || exit
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ensure_python3 || exit
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if [ -d "$ENV_DIR/plugins" ] && [ $CLEAR_PLUGINS -eq 1 ]
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then
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print_info "Found existing plugins directory. Clearing it..."
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rm -r "$ENV_DIR/plugins"
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fi
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mkdir -p "$ENV_DIR/plugins" || (print_error "Could not create server directory at $ENV_DIR" && exit)
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if [ -n "$PLUGIN_PATH" ]
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then
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print_info "Copying plugin to server directory..."
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cp "$PLUGIN_PATH" "$ENV_DIR/plugins" || (print_error "Could not copy targeted plugin to test environment" && exit)
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fi
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if [ -n "$DEPS" ]
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then
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if [ -d "$DEPS" ]
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then
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print_info "Copying dependencies..."
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cp "$DEPS"/* "$ENV_DIR/plugins"
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else
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print_error "Dependencies directory does not exist!"
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exit
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fi
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fi
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cd "$ENV_DIR" || (print_error "Could not enter directory $ENV_DIR" && exit)
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{ ! [ -f "$PAPER_JAR_FILE" ] || $UPDATE_PAPER; } && get_paper && { ! [ -f "$PAPER_JAR_FILE" ]; } && exit
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[ -f "$PAPER_JAR_FILE" ] || exit
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if ! [ -f "$SCRIPT_RUN_NAME" ]
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then
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echo -e "#!/bin/bash\njava $MC_AUTORUN_FLAGS -jar \"$PAPER_JAR_FILE\" nogui" > "$SCRIPT_RUN_NAME"
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fi
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if ! [ -f "$SCRIPT_DEBUG_NAME" ]
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then
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echo -e "#!/bin/bash\njava -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:5005 -jar \"$PAPER_JAR_FILE\" nogui" > "$SCRIPT_DEBUG_NAME"
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fi
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print_info "Test environment successfully prepared!"
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# Disable case-sensitivity for conditional expressions
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shopt -s nocaseglob
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# No need to ask user to accept EULA if it is already accepted
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if $EULA && ! { [ -f "eula.txt" ] && [[ "$(cat eula.txt)" =~ eula=true ]]; }
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then
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print_info -n "Do you accept the terms of the Minecraft End User License Agreement? (https://account.mojang.com/documents/minecraft_eula) [y/N]: "
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read -r ACCEPTS
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case "$ACCEPTS" in
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"y"* | "Y"*)
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echo "eula=true" > eula.txt
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;;
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*)
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print_info "EULA was not accepted"
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;;
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esac
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fi
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# Re-enable case-sensitivity, just in case
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shopt -u nocaseglob
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if [ -n "$AUTORUN" ]
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then
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print_info "Autorun was specified. Attempting to kill active server processes..."
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kill -9 $(fuser 25565/tcp | sed "s/.*\\s\\(.*\\)/\\1/g") > /dev/null 2>&1
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print_info "Starting server..."
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"$SHELL" "$AUTORUN"
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fi
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