java_multi_run.sh

#!/bin/bash
# set -x
set -e

declare -a PIDS
LOG_DIR="logs"
TIMESTAMP=$(date +%Y%m%d_%H%M%S)
DEBUG_PORT=5000
mkdir -p "$LOG_DIR"

cleanup() {
    echo "Caught signal, killing background processes..."
    for pid in "${PIDS[@]}"; do
        if kill -0 "$pid" 2>/dev/null; then
            kill "$pid"
        fi
    done
    rm $LOG_DIR/*_$TIMESTAMP.log
    exit 0
}

trap cleanup SIGINT SIGTERM

start_service() {
    local jar_path="$1"
    local service_name="$2"
    local port="$3"
    if [ -f "$jar_path" ]; then
        java -agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=*:"$port" -Xms256m -Xmx512m  -jar "$jar_path" > "$LOG_DIR/${service_name}.log" 2>&1 &
        local pid=$!
        PIDS+=($pid)
        echo "Started $service_name service (PID: $pid) - logs: $LOG_DIR/${service_name}.log"
    else
        echo "Error: JAR file not found: $jar_path"
        exit 1
    fi
}



if [ "$1" = "--no-build" ] || [ "$1" = "-n" ]; then
    echo "Skipping build process..."
else
    echo "Building all modules..."
    
    if [ -f "pom.xml" ]; then
        echo "Building parent project..."
        mvn clean package -DskipTests -q
        if [ $? -ne 0 ]; then
            echo "Error building project"
            exit 1
        fi
    else
        modules=("a" "b")
        for module in "${modules[@]}"; do
            if [ -d "$module" ]; then
                echo "Building $module..."
                cd "$module" || exit 1
                mvn clean package -DskipTests -q
                if [ $? -ne 0 ]; then
                    echo "Error building $module"
                    exit 1
                fi
                cd - > /dev/null || exit 1
            else
                echo "Warning: Module directory $module not found"
            fi
        done
    fi
    echo "All modules built successfully!"
fi

echo "Starting services..."

services=(
    "a/target/a-0.10.0-SNAPSHOT.jar:a"
    "b/target/b-0.10.0-SNAPSHOT.jar:b"
)

async_services=(
    "Y/target/y-0.9.0-SNAPSHOT.jar:y"
)

sync_services=(
    "X/target/X-0.7.0-SNAPSHOT.jar:x"
)

if [ "$2" = "--sync" ] || [ "$2" = "-s" ]; then
    echo "Starting sync services..."
    for service in "${sync_services[@]}"; do
        ((DEBUG_PORT += 5))
        jar_path="${service%%:*}"
        service_name="${service##*:}"
        start_service "$jar_path" "$service_name" "$DEBUG_PORT"
    done
elif [ "$2" = "--async" ] || [ "$2" = "-a" ]; then
     echo "Starting async services..."
    for service in "${async_services[@]}"; do
	((DEBUG_PORT += 5))
        jar_path="${service%%:*}"
        service_name="${service##*:}"
        start_service "$jar_path" "$service_name" "$DEBUG_PORT"
    done
else
    echo "invalid tag..."
fi

for service in "${services[@]}"; do
    ((DEBUG_PORT += 5))
    jar_path="${service%%:*}"
    service_name="${service##*:}"
    start_service "$jar_path" "$service_name" "$DEBUG_PORT" 
done

echo "Started all services. Press Ctrl+C to stop all."
echo "Background PIDs: ${PIDS[*]}"
echo "Log files: $LOG_DIR/*_$TIMESTAMP.log"

wait