Fluent bit plugins. In versions earlier than 3.

Fluent bit plugins. . Fluent Bit has two flavours of Windows installers: a ZIP archive (for quick testing) and an EXE installer (for system installation). As of this version the following input plugins are available: Oct 9, 2025 · 80+ Plugins for inputs, filters, analytics tools and outputs. The Amazon CloudWatch output plugin lets you ingest your records into the CloudWatch Logs service. With over 13 billion Docker pulls, Fluent Bit is the industry standard for Kubernetes and major cloud providers, including Google, Amazon, Oracle, IBM, and Microsoft. 12 but for the best experience we recommend using versions greater than 1. This project is provided AS-IS WITHOUT WARRANTY OR SUPPORT, although you can report issues and This allows the exec plugin to be used as a wrapper for another command, sending the target command's output to any Fluent Bit sink, then exits. Fluent Bit's YAML configuration provides two ways to load these external plugins: Fluent Bit Loki output plugin Fluent Bit is a fast and lightweight logs and metrics processor and forwarder that can be configured with the Fluent-bit Loki output plugin to ship logs to Loki. Defaults to the SERVICE section's Log_Level. The Azure Blob output plugin allows ingesting your records into Azure Blob Storage service. Dec 8, 2023 · I've tried to use the cpu plugin and it says that 'cpu' tried to instance a plugin name that don't exists. The interface for the Golang plugins is currently under development but is functional. Fluent Bit is designed to work with JSON objects, and the pgsql output plugin allows users to send their data to a PostgreSQL database and store it using the JSONB type. Each instance has its own independent configuration. If you already know how CMake works, you can skip this section and review the available build options. Fluent Bit supports integration of Wasm plugins built as Wasm/WASI objects for inputs and filter plugins only. In Fluent Bit 3. h. Fluentd is more than a basic tool. Azure output plugin allows to ingest your records into Azure Log Analytics service. 1 or later, this plugin uses a Kubernetes watch stream instead of polling. It is widely used as a low-forwarder in the Cloud-native landscape and supports metrics and traces as core features. While Fluent Bit itself is written in C, it provides extensible interfaces that allow input, filter, and output plugins to be written in various Nov 6, 2024 · Describe the bug I am trying to use the node_exporter_metrics plugin to retrieve some host metrics (and subsequently send them to opensearch, but that doesn't matter here). Dependencies Before you begin, ensure you have the following Fluent Bit is distributed as fluent-bit package for Windows and as a Windows container on Docker Hub. Fluent Bit currently supports integration of Golang plugins built as shared objects for output plugins only. This CloudWatch plugin is The Amazon S3 output plugin lets you ingest records into the S3 cloud object store. Additionally, Fluent Bit supports multiple Filter and Parser plugins (Kubernetes, JSON, etc. Fluent Bit API development/usage is out of the scope of this article. Fluent Bit supports integration of Wasm plugins built as Wasm/WASI objects for input and filter plugins only. Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows - fluent/fluent-bit Installation Download and install Fluent Bit Containers on AWS AWS maintains a distribution of Fluent Bit that combines the latest official release with a set of Go Plugins for sending logs to AWS services. Fluent Bit Golang package to build plugins. Fluent Bit is distributed as the fluent-bit package for Windows and as a Windows container on Docker Hub. You can integrate the monitoring interface with Prometheus. The interface for Wasm filter plugins is currently under development but is functional. The Emitter is an internal Fluent Bit plugin that allows other components of the pipeline to emit custom records. Support for CloudWatch Metrics is also provided using Embedded Metric Format (EMF). Fluent Bit for developers Wasm filter plugins WebAssembly (Wasm) is a binary instruction format for stack-based virtual machines. Fluent Bit is a lightweight and fast log processor and forwarder that can collect, process, and deliver logs to various destinations. Apr 20, 2023 · Fluent Bit’s Windows exporter metrics plugin has been updated with new features and improvements. 9. 4 or higher is required. Common destinations are remote services, local file systems, or other standard interfaces. Fluentd and Fluent Bit The production grade telemetry ecosystem Telemetry data processing can be complex, especially at scale. The collected metrics can be processed similarly to those from the Prometheus Node Exporter input plugin. This feature is really helpful because expand significantly the possibilities of FluentBit with the powerful ecosystem of libraries available for Golang. Learn how with this step-by-step demonstration. Despite its versatility, however, there are still scenarios that may not be covered by the existing plugins, such as the need to filter or map records based on custom logic. As of this version the following filter plugins are available: Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows - fluent-bit/DEVELOPER_GUIDE. 1) there is a documented feature that allows to extend output plugins using Go programming language. Each available filter can be used to match, exclude, or enrich your logs with specific metadata. There is a separate Golang output plugin provided by Grafana with different configuration options. A Fluent Bit output plugin for Amazon Kinesis Data Firehose. Not all plugins are supported on Windows: the CMake configuration shows the default set of supported plugins. Output Plugins The output plugins defines where Fluent Bit should flush the information it gathers from the input. Apr 21, 2025 · This page documents how plugins are registered in the Fluent Bit build system. Not all plugins are supported on Windows. Run Fluent Bit: Start Fluent Bit and verify that it’s collecting and forwarding telemetry data as expected. YAML, now fully supported in Fluent Bit v3. May 4, 2022 · Add documentation for your plugin by submitting a PR to Fluent Bit’s documentation repository. This MessagePack data is then appended to what Fluent Bit calls a chunk, which is a collection of serialized records that belong to the same tag. When using Fluent Bit to ship logs to Loki, you can define which log files you want to collect using the Tail or Stdin data pipeline input. Fluent Bit is licensed under the terms of the Apache License v2. (Boolean, default: false). It's grown into a full-scale ecosystem that contains SDKs for different languages and sub-projects, like Fluent Bit. In order to do so, I have the following docker compose configura NOTE: A new higher performance Fluent Bit Firehose Plugin has been released. Contribute to fluent/fluent-bit-go development by creating an account on GitHub. 2, offers a more intuitive and flexible configuration experience, essential for modern cloud The filter plugins allows to alter the incoming data generated by the input plugins. Fluent Bit will stream data in a series of parts. Jun 20, 2019 · The following repository provides the structure and build-system helpers to develop C dynamic plugins for Fluent Bit like inputs, filters and outputs. It can replace the aws/amazon-cloudwatch-logs-for-fluent-bit Golang Fluent Bit plugin (cloudwatch). At the moment the available options are the following: Some plugins collect data from log files, and others gather metrics information from the operating system. Fluent Bit provides two Windows installers: a ZIP archive and an EXE installer. Outputs let you define destinations for your data. ) to structure and alter log lines. 04, 18. This connector is designed to use the Append Blob and Block Blob API. AWS and Fluent Bit are working together to rewrite their plugins for inclusion in the official Fluent Bit distribution. This feature is especially useful for loading Go or Wasm plugins that are built as shared object files (. It explains the CMake macros used for plugin registration, how plugins are enabled or disabled during build, and the overall registration process that makes plugins available to the Fluent Bit engine at runtime. Dec 19, 2024 · Fluent Bit is a Fast and Lightweight Data Processor and Forwarder for Linux, BSD, Windows and macOS. To get more details about how to setup the Azure Log Analytics please refer to the following documentation: Azure Log Analytics The filter plugins allows to alter the incoming data generated by the input plugins. Fluent Bit supports integration of Golang plugins built as shared objects for output plugins only. We are proud to announce the availability of Fluent Bit v3. The Fluent Bit plugin works with the official Azure Service and can be configured to be used with a service emulator such as Azurite. Oct 19, 2023 · Fluent Bit supports various output plugins that facilitate log forwarding to different destinations. The input plugins defines the source from where Fluent Bit can collect data, it can be through a network interface, radio hardware or some built-in metric. The Fluentd and Fluent Bit projects A Fluent Bit output plugin for CloudWatch Logs. Fluent Bit is a super fast, lightweight, and scalable telemetry data agent and processor for logs, metrics, and traces. Fluent Bit comes with a variety of built-in plugins, and also supports loading external plugins at runtime. Tag is mandatory for all plugins except for the input forward plugin, which provides dynamic tags. We are proud to announce the availability of Fluent Bit v1. Contribute to aws/amazon-cloudwatch-logs-for-fluent-bit development by creating an account on GitHub. PostgreSQL 9. log Refresh_Interval 90 Parser json_log_parser db /logs/test. The filter plugins allows to alter the incoming data generated by the input plugins. Fluent Bit plugin for log forwarding If your log data is already being monitored by Fluent Bit, you can use our Fluent Bit output plugin to forward and enrich your log data in New Relic. so). Common Fluent Bit Library Functions/Types Filter plugins: Mutating, filtering, calculating events. We will use the official Fluent Bit Loki output plugin to send logs to Loki. I know that not all inputs are supported on every operating system but how can I guest a l Aug 11, 2020 · Fluent Bit is a fast and lightweight log processor, stream processor, and forwarder for Linux, OSX, Windows, and BSD family operating systems. Secure Forward (TLS): When TLS is enabled, the plugin switches to Secure Forward mode. Nov 27, 2019 · Bug Report Describe the bug in_tail plugin randomly fails with "too many open files" and errno=24 - unless switched from inotify to stat tail To Reproduce Example log message if applicable: [TIMEST Apr 23, 2024 · Bug Report Describe the bug using tail input plugin setting bellow [INPUT] Name tail Tag samplapp Path /logs/*. This feature is especially useful for loading Go or WebAssembly (Wasm) plugins that are built as shared object files (. Mar 25, 2020 · We provides the means for the collection, organization and computerized retrieval of knowledge and Lightweight Data Forwarder for Linux, BSD and OSX. 1, the interval parameters are used for reconnecting the Kubernetes watch stream. Its focus on performance allows the collection of events from different sources and the shipping to multiple destinations without complexity. As of this version the following filter plugins are available: Fluent Bit is a widely used, fast and lightweight processor for logs and metrics, written in C and offering a rich set of plugins for collecting, parsing, and forwarding logs and metrics. Sending logs to Loki using Fluent Bit tutorial In this tutorial, you will learn how to send logs to Loki using Fluent Bit. On this case rewrite_tag creates an emitter instance to use it exclusively to emit records, allowing for granular control of who is emitting what. They can be sent to output plugins including Prometheus Exporter, Prometheus Remote Write or OpenTelemetry. Fluent Bit is a fast and lightweight telemetry agent for logs, metrics, and traces for Linux, macOS, Windows, and BSD family operating systems. What is a problem? I read through the developer documentation on how to add plugins to fluent-bit and couldn't find any details on how to create an external plugin that gets pulled in via the [PLUGINS] section of the configuration. 4. At the moment the available options are the following: This article explains the components of Fluent Bit, including input, filter, and output plugins for efficient log management and analysis. Like input plugins, filters run in an instance context, which has its own independent configuration When you write Fluent Bit code, you'll use the Fluent Bit versions of the standard C functions for working with memory: Dec 29, 2021 · Gophere & Fluent Bit Starting with the earliest version of Fluent Bit (1. Check out our official guidance. In versions earlier than 3. For detailed configuration instructions, visit the Fluent Bit documentation. md at master · fluent/fluent-bit Apr 21, 2025 · Filter plugins are integral components of Fluent Bit's data processing pipeline that transform, enrich, or filter data records between the input and output stages. As of this version the following filter plugins are available: Nov 11, 2024 · While Fluent Bit comes with a variety of built-in plugins, it also supports loading external plugins at runtime. The Kusto output plugin lets you ingest your logs into an Azure Data Explorer cluster, using the Queued Ingestion mechanism. 1. This output plugin can also be used to ingest logs into an Eventhouse cluster in Microsoft Fabric Real Time Analytics. 3. Filtering is implemented through plugins. For Jul 16, 2022 · Fluent Bit for developers Wasm input plugins WebAssembly (Wasm) is a binary instruction format for stack-based virtual machines. Fluent Bit has been made with a strong focus on performance to allow the collection and processing of telemetry data from different sources without complexity. Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows - fluent/fluent-bit Fluent Bit includes an HTTP server for querying internal information and monitoring metrics of each running plugin. There are many different plugins, and they let you handle many different needs. Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows - fluent/fluent-bit The filter plugins allows to alter the incoming data generated by the input plugins. In the context of PostgreSQL databases, Fluent Bit provides the pgsql output plugin, which allows logs to be sent directly to a PostgreSQL database. That's why Fluentd was created. It supports data enrichment with Kubernetes labels, custom label keys, and Tenant ID, along with other information. It works on all versions of Fluent Bit greater than 0. Extensive Plugin Ecosystem: Fluent Bit supports a wide range of plugins for input, filtering, and output, enabling integration with various systems and formats. The plugin can upload data to S3 using the multipart upload API or PutObject. As of this version the following input plugins are available: The newrelic-fluent-bit-output plugin forwards output to New Relic. Apr 23, 2025 · KNOWLEDGE BASE Release Notes v4. May 24, 2023 · With the Azure Data Explorer output plugin for Fluent Bit, you can easily process logs from multiple sources, and forward them to an ADX database, where they can be queried and analyzed fast and in a central place. When you complete this step, Fluent Bit creates the following log groups if they don't already exist. Outputs are implemented as plugins. 1 Fluent Bit is a Fast and Lightweight Data Processor and Forwarder for Linux, BSD, Windows and macOS. Mar 1, 2025 · Security bulletin for Windows and Linux infrastructure agent and Fluent Bit, the Kubernetes plugin, and the Fluent Bit output plugin. This list includes filter like output plugins. When using the Syslog input plugin, Fluent Bit requires access to the parsers configuration file. 2. This document explains how the plugin works internally, its architecture, and the key components that enable its functionality. Feb 14, 2025 · If you’re using Fluent bit within your organization already for log processing, then integrating with Microsoft Sentinel is also a possibility as Fluent Bit has the output plugin for Azure Logs Ingestion API taking leverage from the Log Ingestion API which supports not only ingestion for custom tables but also for built-in tables. The Windows Event logs (winevtlog) input plugin lets you read Windows Event logs with the API from winevt. When an input plugin loads, an internal instance is created. We are proud to announce the availability of Fluent Bit v4. This limits the amount of data buffered on disk at any point in time. By default, every time 5 MiB of data have been received, a new part Apr 21, 2025 · Input plugins are the data collection components in Fluent Bit that gather logs, metrics, and other telemetry data from various sources for processing and forwarding. db Read_from_Head true bu Feb 25, 2023 · Writing Golang Fluent Bit Input Plugins Context Fluent Bit is a highly reliable and memory-efficient pipeline data processing engine. Configuration keys are often called properties. 0. The CMake configuration shows the default set of supported plugins. Fluent Bit support many filters. 4 days ago · Notifications You must be signed in to change notification settings Fork 312 In the following steps, you set up Fluent Bit as a daemonSet to send logs to CloudWatch Logs. The following steps explain how to build and install the project with the default options. Every pod log needs the proper metadata associated with it. They represent the entry point of Nov 12, 2024 · Below a list of the highlights of this release: Complete YAML Support Fluent Bit is moving away from its classic configuration mode, which only supports basic key-value pairs and lacks advanced features. Fluent Bit has a compliant implementation which fully supports OTLP/HTTP and OTLP/GRPC. The path to this file can be specified with the option -R or through the parsers_file key in the service section. A typical usage of this library involves: Set the plugin's logging verbosity level. Mar 29, 2025 · Fluent Bit now includes experimental support for plugins written in the Zig programming language. This is the documentation for the core Fluent Bit CloudWatch plugin written in C. Allowed values are: off, error, warn, info, debug, and trace. May 26, 2024 · Setting up Fluent Bit involves configuring input plugins to collect logs, filters to process and enrich them, and output plugins to forward the logs to desired destinations. Forwarding your Fluent Bit logs to New Relic will give you enhanced log management capabilities to collect, process, explore, query, and alert on your log data. A common use case for filtering is Kubernetes deployments. This update includes extended support for WMI metrics, enabling users to collect more detailed information from Windows systems. Fluent Bit exposes metrics to let you monitor the internals of your pipeline. Fluent Bit runs as a service, which means that the exposed API provides interfaces to create and manage contexts, specify inputs and outputs, set configuration parameters, and set routing paths for events or records. Fluent Bit is a CNCF (Cloud Native Computing Foundation) graduated project under the umbrella of Fluentd. What’s new ? In v4. 04 and The OpenTelemetry input plugin lets you receive data based on the OpenTelemetry specification from various OpenTelemetry exporters, the OpenTelemetry Collector, or the Fluent Bit OpenTelemetry output plugin. As of this version the following filter plugins are available: Sep 27, 2024 · Fluent Bit is a Fast and Lightweight Data Processor and Forwarder for Linux, BSD, Windows and macOS. Name is mandatory and tells Fluent Bit which input plugin to load. I want to point out that only output plugins are currently supported Sep 28, 2023 · Fluent Bit’s Lua plugin allows users to create custom filters for their data pipelines. 0 series, we have upgraded our internal dependencies and deprecated packages for older targets like Ubuntu 16. This new capability allows developers to write high-performance plugins with Zig’s modern features and safety guarantees. You can define which log files you want to collect using the Tail or Stdin data pipeline input. The Fluent Bit Loki built-in output plugin lets you send your log or events to a Loki service. Tap can be used to generate events or records detailing what messages pass through Fluent Bit, at what time and what filters affect them. As of this version the following input plugins are available: Use Fluent Bit ElasticSearch plugin with other services Connect to Amazon OpenSearch or Elastic Cloud with the ElasticSearch plugin. The single port configured defaults to 4318 and supports both transport methods. Configure OpenTelemetry: Set up Fluent Bit to use the OpenTelemetry Protocol by configuring the appropriate input (source) and output (destination) plugins. Multipart is the default and is recommended. This document provides an in-depth overview of Fluent Bit's filter plugin architecture, how filter plugins process data, and how they interact with other components of the system. Although Fluent Bit has a soft limit of 2 MB for chunks, input plugins like Tail can generate MessagePack buffers larger than 2 MB, and the final chunk can exceed this soft limit. Apr 21, 2025 · Tail Input Plugin Relevant source files The Tail Input Plugin is a core input component of Fluent Bit that monitors log files for changes and ingests new entries as they're appended, similar to the tail -f command in Unix/Linux systems but with more features. Good information to include in your documentation includes a brief introduction of your plugin, details about each configurable parameter, and example outputs/results of running your plugin. 5krp yu96 uhcwz6 icn j71j 7kdn2 yhs0dd x58 hzjqz zzclr