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Data shipper for the Elastic Agent - single, unified way to add monitoring for logs, metrics, and other types of data to a host.

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elastic-agent-shipper

⚠️ Development of the Elastic Agent data shipper has been paused. The functionality it intended to provide will be implemented in other ways.

Data shipper for the Elastic Agent - a single, unified way to add monitoring for logs, metrics, and other types of data to a host.

The data shipper is a new process in the Elastic agent system designed to centralize local data processing, queueing, and publishing to the target output (Elasticsearch, Logstash, etc.).

The data shipper is a part of a larger effort to rearchitect the Elastic agent. In the initial Elastic agent architecture each underlying data collector (e.g. Filebeat) was required to implement its own processing, queueing, and output connection(s) for each supported output type. The data shipper simplifies this architecture by allowing data collectors to implement a single gRPC client to process, queue, and publish data. The initial design goals of the data shipper are to:

  • Remove the need for processing, queueing, and output protocols to be reimplemented in each input.
  • Minimize the number of output connections required in Elastic agent deployments.
  • Simplify configuration and performance tuning of Elastic agent data pipelines.
  • Make Elastic agent data pipelines more observable and easier to debug.
  • Improve on or maintain the performance of the existing Beats outputs.
  • Define the event publishing interface all current and future Elastic agent data inputs will use.

Each output in an agent policy will map to a separate instance of the shipper process: Elastic Agent Data Shipper

Client Development

Data shipper clients must implement the shipper gRPC API. The reference client is the Beats shipper output, which is used by Beats like Filebeat and Metricbeat when they are started by Elastic agent integrations.

Data shipper support in the Elastic Agent is under active development.

The shipper currently can be run in 2 modes:

  • Under Elastic agent (managed mode): the main mode for running in production environments
  • Using a local config file (unmanaged mode): is supposed to be used for local development and testing

To run the shipper in the unmanaged mode use this flag on the built binary:

./elastic-agent-shipper run -c elastic-agent-shipper.yml

Where elastic-agent-shipper.yml is a path to a local configuration file. The reference shipper configuration file defines the available configuration options.

Contributing

The process for contributing to any of the Elastic repositories is similar.

  1. Please make sure you have signed our Contributor License Agreement. We are not asking you to assign copyright to us, but to give us the right to distribute your code without restriction. We ask this of all contributors in order to assure our users of the origin and continuing existence of the code. You only need to sign the CLA once.

  2. Send a pull request! Push your changes to your fork of the repository and submit a pull request. New PRs go to the main branch. The development team will backport your PR to previous release branches if necessary. In the pull request, describe what your changes do and mention any bugs/issues related to the pull request.

Developing

The data shipper is developed in Go so install the version which is being used for shipper development. One deterministic manner to install the proper Go version to work with the shipper is to use the GVM Go version manager.

The data shipper primarily uses the mage build system. The list of supported mage commands can be obtained by running mage -l from the root of the repository. The most commonly used commands are:

  • mage build to build the data shipper binary.
  • mage check to check license files and dependencies.
  • mage lint to lint the source code using golangci-lint.
  • mage package to produce release artifacts.
  • go test ./... to run all tests.

Run mage commands with the -v flag for more detailed output, for example mage -v check.

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Data shipper for the Elastic Agent - single, unified way to add monitoring for logs, metrics, and other types of data to a host.

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