Centralized Container logging with Fluent Bit.Kubernetes logging powered by AWS for Fluent Bit.If you are new to Fluent Bit, I recommend reading the following blogs from my fellow colleagues: Version 1.18.17 or later of the AWS CLI installed (to install or upgrade the AWS CLI, see this documentation on installing the AWS CLI).Basic understanding of log shipping and forwarding using Fluent Bit.Basic understanding of Kubernetes and Amazon EFS. ![]() Installed eksctl a simple command line utility for creating and managing Kubernetes clusters on Amazon EKS).Installed the Kubernetes command line utility kubectl version 1.14 or later.Prerequisites:īefore we dive into our use cases, let’s review the prerequisites. You can route logs to Amazon CloudWatch, Amazon Elasticsearch Service, Amazon Redshift, and a wide range of other destinations supported by the Fluent Bit. It creates a tiny footprint on your system’s memory. Fluent Bit is a part of the Fluentd Ecosystem but uses much fewer resources. Fluent Bit is a lightweight and performant log shipper and forwarder that is a successor to Fluentd. In addition, with our recently launched support for Amazon EFS file systems on AWS Fargate, EKS pods running on AWS Fargate can now mount EFS file systems using the EFS CSI driver.įluent Bit is an open source log shipper and processor, to collect data from multiple sources and forward it to different destinations for further analysis. It also automatically detects and replaces unhealthy control plane instances, and provides automated version upgrades and patching for them. EKS runs Kubernetes control plane instances across multiple Availability Zones, to ensure high availability. Using our fully managed Amazon EKS, AWS makes it easy to run Kubernetes without needing to install and operate your own Kubernetes control plane or worker nodes. If a Kubernetes pod is shut down and relaunched, the CSI driver reconnects the EFS file system, even if the pod is relaunched in a different Availability Zone. Amazon EFS provides shared persistent storage that can scale automatically and enables deployment of highly available applications that have access to the same shared data across all Availability Zones in the Region. EFS provides fully managed, elastic, highly available, scalable, and high-performance, cloud-native shared file systems. Using the Amazon EFS Container Storage Interface (CSI) driver, now generally available, EFS enables customers to persist data and state from their containers running in Amazon EKS. Storing these logs on EFS provides developers and operations teams peace of mind, as they know a copy of their logs are available on EFS. When you are routing your container logs using Fluent Bit to external sources like Elasticsearch for centralized logging, there could be risk of losing the logs when these external sources are under heavy load, or must be restarted. Use case 2: Persist your container logs centrally on an Amazon EFS file system using the Fluent Bit file plugin.Traditional applications that are containerized and need the ability to write application logs to a file.Fargate requires applications to write logs to a file system instead of stdout. Applications running on AWS Fargate for Amazon EKS. ![]()
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