youtubebeat/vendor/github.com/elastic/beats/docs/devguide/contributing.asciidoc

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[[beats-contributing]]
== Contributing to Beats
If you have a bugfix or new feature that you would like to contribute, please
start by opening a topic on the https://discuss.elastic.co/c/beats[forums].
It may be that somebody is already working on it, or that there are particular
issues that you should know about before implementing the change.
We enjoy working with contributors to get their code accepted. There are many
approaches to fixing a problem and it is important to find the best approach
before writing too much code.
The process for contributing to any of the Elastic repositories is similar.
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[[contribution-steps]]
=== Contribution Steps
. Please make sure you have signed our
https://www.elastic.co/contributor-agreement/[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.
. Send a pull request! Push your changes to your fork of the repository and
https://help.github.com/articles/using-pull-requests[submit a pull request]. In
the pull request, describe what your changes do and mention any bugs/issues
related to the pull request. Please also add a changelog entry to
https://github.com/elastic/beats/blob/master/CHANGELOG.asciidoc[CHANGELOG.asciidoc].
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[[adding-new-beat]]
=== Adding a New Beat
If you want to create a new Beat, please read <<new-beat>>. You don't need to
submit the code to this repository. Most new Beats start in their own repository
and just make use of the libbeat packages. After you have a working Beat that
you'd like to share with others, open a PR to add it to our list of
https://github.com/elastic/beats/blob/master/libbeat/docs/communitybeats.asciidoc[community
Beats].
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[[setting-up-dev-environment]]
=== Setting Up Your Dev Environment
The Beats are Go programs, so install the latest version of
http://golang.org/[Go] if you don't have it already. The current Go version
used for development is Go {go-version}.
The location where you clone is important. Please clone under the source
directory of your `GOPATH`. If you don't have `GOPATH` already set, you can
simply set it to the `go` directory in your home (`export GOPATH=$HOME/go`).
[source,shell]
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mkdir -p ${GOPATH}/src/github.com/elastic
cd ${GOPATH}/src/github.com/elastic
git clone https://github.com/elastic/beats.git
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NOTE: If you have multiple go paths, use `${GOPATH%%:*}` instead of `${GOPATH}`.
Then you can compile a particular Beat by using the Makefile. For example, for
Packetbeat:
[source,shell]
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cd beats/packetbeat
make
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Some of the Beats might have extra development requirements, in which case
you'll find a CONTRIBUTING.md file in the Beat directory.
We use an http://editorconfig.org/[EditorConfig] file in the beats repository
to standardise how different editors handle whitespace, line endings, and other
coding styles in our files. Most popular editors have a
http://editorconfig.org/#download[plugin] for EditorConfig and we strongly
recommend that you install it.
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[[update-scripts]]
=== Update scripts
The Beats use a variety of scripts based on Python to generate configuration files
and documentation. The command used for this is:
[source,shell]
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make update
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This command has the following dependencies:
* Python >= {python}
* https://virtualenv.pypa.io/en/latest/[virtualenv] for Python
Virtualenv can be installed with the command `easy_install virtualenv` or `pip
install virtualenv`. More details can be found
https://virtualenv.pypa.io/en/latest/installation.html[here].
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[[running-testsuite]]
=== Testing
You can run the whole testsuite with the following command:
[source,shell]
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make testsuite
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Running the testsuite has the following requirements:
* Python >= {python}
* Docker >= {docker}
* Docker-compose >= {docker-compose}
For more details check the <<testing>> guide.
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[[documentation]]
=== Documentation
The documentation for each Beat is located under `{beatname}/docs` and is based
on asciidoc. After changing the docs, you should verify that the docs are still
building to avoid breaking the automated docs build. To build the docs run
`make docs`. If you want to preview the docs for a specific Beat, run
`make docs-preview` inside the folder for the Beat. This will automatically open
your browser with the docs for preview.
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[[dependencies]]
=== Dependencies
To manage the `vendor/` folder we use
https://github.com/kardianos/govendor[govendor]. Please see
the govendor documentation on how to add or update vendored dependencies.
In most cases `govendor fetch your/dependency@version +out` will get the job done.
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[[changelog]]
=== Changelog
To keep up to date with changes to the official Beats for community developers,
follow the developer changelog
https://github.com/elastic/beats/blob/master/CHANGELOG-developer.md[here].