Monitoring EKS Fargate Logs with Fluent Bit and OpenObserve

Amazon EKS Fargate offers a serverless approach to running Kubernetes pods by eliminating the need to manage underlying infrastructure, but it presents challenges in log management. The guide explains how to set up a logging pipeline for Amazon EKS Fargate workloads using AWS's built-in Fluent Bit log router, Kinesis Firehose, and OpenObserve to address these challenges. Fluent Bit collects container logs within the Fargate environment, which are then sent to Kinesis Firehose and delivered to OpenObserve for visualization and analysis. The implementation involves creating a Fargate profile, setting up a dedicated namespace for logging, configuring a Kinesis Firehose delivery stream, and establishing necessary IAM permissions. The guide provides detailed steps for deploying a sample application to test the logging setup and suggests troubleshooting methods if logs do not appear in OpenObserve. This solution leverages AWS managed services alongside OpenObserve's capabilities to create a robust observability framework for serverless Kubernetes workloads, requiring minimal maintenance.

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