August 2021 Summaries

The Payment Card Industry Data Security Standard (PCI DSS) remains a crucial IT security compliance framework for e-commerce and cloud-centric retailers, even as the cybersecurity landscape evolves with new threats and regulations like GDPR. The rise of cloud computing has added complexity to PCI compliance, requiring modern solutions like cloud-native Security Information and Event Management (SIEM) systems, such as Logz.io Cloud SIEM, to effectively manage security in dynamic cloud environments. These advanced SIEMs help ensure compliance by addressing PCI requirements like data protection, encryption, and access management through integration with firewalls, antivirus systems, and endpoint detection systems. Logz.io offers a comprehensive solution with customizable dashboards and rules, data retention features, and integration with open-source tools, providing a robust option for organizations seeking to meet PCI standards in cloud settings.

Organizations transitioning from monolithic to microservices-based architectures face increased system complexity, requiring efficient debugging tools such as logging and distributed tracing. This text discusses adding distributed tracing to C++ applications using the OpenTelemetry framework, which includes monitoring tools for metrics, logs, and traces. The process involves setting up two HTTP services with C++ using the Pistache framework and implementing tracing with the OpenTelemetry C++ client, which exports traces to Logz.io using the Jaeger exporter. The services are containerized using Docker and orchestrated with Docker Compose, enabling the visualization of traces via a local or remote Jaeger UI. By following this approach, developers can track interactions between microservices and external APIs, enhancing observability and performance monitoring of their applications.

In response to recent changes in the open-source community, Logz.io has enhanced its support for Fluentd, a log shipping tool, as an alternative to Filebeat and Logstash, which have shifted away from open-source licensing. Fluentd offers benefits such as using an HTTP proxy instead of the less popular SOCKS5 proxy, making it more compatible with various tools and reducing potential security risks associated with TCP connections. The tutorial outlines steps for configuring a Docker environment to ship logs to Logz.io using Fluentd, which retains its open-source status, allowing for continued community contribution and compatibility with other open-source projects. This guide also provides advanced configuration options for users to customize log output and emphasizes Fluentd's ease of integration with Logz.io's platform. Additionally, it highlights the importance of keeping up with updates to maintain compatibility and functionality with the latest developments in the open-source ecosystem.

Telegraf, an open-source agent part of the TICK Stack, is highly versatile for collecting and outputting metrics due to its plugin-driven architecture, boasting over 200 community-developed plugins. As companies increasingly adopt serverless architectures, the article explains how to run Telegraf on AWS Lambda, leveraging Amazon's support for custom runtimes, to collect metrics from various SaaS applications without the need for dedicated infrastructure. The process involves creating a Telegraf Lambda layer, configuring a custom runtime function, and setting the Telegraf configuration to monitor memory usage and send metrics to platforms like Logz.io. This setup allows for efficient serverless metric collection and visualization, with the potential to expand capabilities into solutions like Synthetic Monitoring.

In the realm of DevOps observability, numerous "Open" projects, standards, and tools can be confusing due to their similar names and overlapping purposes. Key among these is OpenTelemetry, a unified set of vendor-agnostic APIs, SDKs, and tools for collecting telemetry data, which emerged from the merger of OpenTracing and OpenCensus and is now a Cloud Native Computing Foundation (CNCF) project. OpenTracing and OpenCensus were initial, separate efforts to create vendor-neutral APIs for distributed tracing and metrics collection, respectively, and have been integrated into OpenTelemetry. OpenMetrics aims to standardize cloud-native metrics transmission using Prometheus' wire format and is advancing towards CNCF incubation and IETF standardization. OpenSearch, developed as an open-source fork of Elasticsearch and Kibana, incorporates features from OpenDistro for Elasticsearch, after the latter's merger into OpenSearch. These projects illustrate the complexity and ongoing consolidation within the open-source observability domain, offering various tools and standards for data collection and analysis while highlighting the need for clarity amidst the proliferation of "Open" initiatives.