Java Framework におけるロギングとモニタリングのセキュリティ

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class SecureLogger {

    private static final Logger logger = LogManager.getLogger(SecureLogger.class);

    public static void main(String[] args) {
        // Encrypted password (replace with real encryption)
        String password = "c464d5808e1d6861d02e2c9b413a9586";

        // Log the password as a masked value
        logger.info("Password: {}", String.format("%s (masked)", password.substring(0, 3)));
    }
}

import io.prometheus.client.Collector;
import io.prometheus.client.Gauge;
import io.prometheus.client.Histogram;
import io.prometheus.client.Summary;

public class SecureMonitoring {

    private static final Gauge cpuUsage = Gauge.build()
            .name("jvm_cpu_usage")
            .help("Current CPU usage of the JVM")
            .register();

    private static final Histogram requestLatency = Histogram.build()
            .name("http_request_latency")
            .help("Latency of HTTP requests")
            .register();

    private static final Summary requestDuration = Summary.build()
            .name("http_request_duration")
            .help("Duration of HTTP requests")
            .register();

    public static void main(String[] args) {
        // Update metrics (replace with real data)
        cpuUsage.set(0.5);
        requestLatency.observe(100);
        requestDuration.observe(200);

        // Start Prometheus server with TLS encryption
        Prometheus prometheus = new PrometheusBuilder()
                .httpsServer(8443)
                .build();
        prometheus.start();
    }
}