mirror of
https://github.com/GTNewHorizons/GTNH-Actions-Workflows.git
synced 2026-07-15 20:39:58 +02:00
119 lines
3.6 KiB
Bash
119 lines
3.6 KiB
Bash
#!/usr/bin/env bash
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# Server side of the integration run: starts the server, lets it settle, then
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# stops it cleanly and records the exit code for later verification.
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#
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# This script does not decide whether a run was good. That is verified later by
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# verify_server.sh, which reads the outputs produced here (server.log and the
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# exit-code flag).
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#
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# Base logic moved here from https://github.com/MalTeeez/packscripts-auto-builds/blob/gtnh-daily/packaging/scripts/entrypoint.sh
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set -euo pipefail
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SERVER_DIR="${SERVER_DIR:-/home/gtnh}"
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RUN_DIR="${RUN_DIR:-$SERVER_DIR}"
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SERVER_LOG="$RUN_DIR/server.log"
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SERVER_EXIT_FLAG="${SERVER_EXIT_FLAG:-$RUN_DIR/server.exit}"
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SERVER_READY_FLAG="${SERVER_READY_FLAG:-$RUN_DIR/server.ready}"
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RCON_HOST="${RCON_HOST:-localhost}"
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RCON_PORT="${RCON_PORT:-25575}"
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RCON_PASSWORD="${RCON_PASSWORD:-whoahaplaintextpassword}"
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SERVER_JAVA_ARGS="${SERVER_JAVA_ARGS:--Xms1G -Xmx2G -Dfml.readTimeout=5 @java9args.txt -jar lwjgl3ify-forgePatches.jar nogui}"
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START_TIMEOUT="${SERVER_START_TIMEOUT:-240}"
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SETTLE_DURATION="${SERVER_SETTLE_DURATION:-30}"
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STOP_TIMEOUT="${SERVER_STOP_TIMEOUT:-20}"
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SERVER_PID=""
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TAIL_PID=""
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cleanup() {
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[ -n "$TAIL_PID" ] && kill "$TAIL_PID" 2>/dev/null
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# If we still hold the JVM (e.g. an early failure), don't leak it into the runner.
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[ -n "$SERVER_PID" ] && kill -0 "$SERVER_PID" 2>/dev/null && kill "$SERVER_PID" 2>/dev/null
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return 0
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}
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stop_and_reap() {
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( sleep "$STOP_TIMEOUT"; kill -9 "$SERVER_PID" 2>/dev/null ) &
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local killer=$!
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local code=0
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wait "$SERVER_PID" || code=$?
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kill "$killer" 2>/dev/null
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SERVER_PID=""
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echo "$code" > "$SERVER_EXIT_FLAG"
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echo "server exited with code $code"
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}
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trap cleanup EXIT INT TERM
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run() {
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# SERVER_JAVA_ARGS can arrive as a multi-line string. Split it on whitespace
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# into a proper argv array so the launch below stays happy.
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local java_args=()
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local arg
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for arg in $SERVER_JAVA_ARGS; do
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java_args+=("$arg")
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done
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mkdir -p "$RUN_DIR"
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rm -f "$SERVER_EXIT_FLAG" "$SERVER_READY_FLAG"
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cd "$SERVER_DIR"
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sed -i 's|eula=false|eula=true|g' eula.txt
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sed -i "s|enable-rcon=false|enable-rcon=true\nrcon.password=${RCON_PASSWORD}\nrcon.port=${RCON_PORT}|" server.properties
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sed -i 's|online-mode=true|online-mode=false|' server.properties
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# Backgrounded and logged to a file so we can watch startup while the JVM runs.
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java "${java_args[@]}" > "$SERVER_LOG" 2>&1 &
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SERVER_PID=$!
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tail -n +1 -F "$SERVER_LOG" 2>/dev/null &
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TAIL_PID=$!
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local waited=0
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while [ "$waited" -lt "$START_TIMEOUT" ]; do
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if ! kill -0 "$SERVER_PID" 2>/dev/null; then
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echo "server exited unexpectedly during startup"
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return
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fi
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if grep -q 'Done.*For help, type' "$SERVER_LOG" 2>/dev/null; then
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echo "server started after ${waited}s"
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: > "$SERVER_READY_FLAG"
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break
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fi
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sleep 5
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waited=$((waited + 5))
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done
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if [ ! -e "$SERVER_READY_FLAG" ]; then
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echo "server did not become ready within ${START_TIMEOUT}s"
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return
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fi
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echo "waiting ${SETTLE_DURATION}s for server to settle..."
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sleep "$SETTLE_DURATION"
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if ! kill -0 "$SERVER_PID" 2>/dev/null; then
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echo "server exited during settling"
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return
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fi
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echo "stopping server via rcon"
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rcon-cli --host "$RCON_HOST" --port "$RCON_PORT" --password "$RCON_PASSWORD" stop
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stop_and_reap
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}
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# Run the lifecycle without aborting on a server-side failure - capturing the
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# exit code is the whole point, so verify_server.sh can judge the run.
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run || true
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# run bailed early with the JVM still up so stop it too
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if [ -n "$SERVER_PID" ]; then
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kill "$SERVER_PID" 2>/dev/null || true
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stop_and_reap
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fi |