34 lines
1.2 KiB
Markdown
34 lines
1.2 KiB
Markdown
|
---
|
||
|
|
layout: "docs"
|
||
|
|
page_title: "Plugins"
|
||
|
|
sidebar_current: "docs-internals-plugins"
|
||
|
|
description: |-
|
||
|
|
Learn about how external plugins work in Nomad.
|
||
|
|
---
|
||
|
|
|
||
|
|
# Plugins
|
||
|
|
|
||
|
|
Nomad 0.9 introduced a plugin framework which allows users to extend the
|
||
|
|
functionality of some components within Nomad. The design of the plugin system
|
||
|
|
is inspired by the lessons learned from plugin systems implemented in other
|
||
|
|
HashiCorp products such as Terraform and Vault.
|
||
|
|
|
||
|
|
The following components are currently plugable within Nomad:
|
||
|
|
|
||
|
|
- [Task Drivers](/docs/internals/plugins/task-drivers.html)
|
||
|
|
- [Devices](/docs/internals/plugins/devices.html)
|
||
|
|
|
||
|
|
# Architecture
|
||
|
|
|
||
|
|
The Nomad plugin framework uses the [go-plugin][goplugin] project to expose
|
||
|
|
a language independent plugin interface. Plugins implement a set of GRPC
|
||
|
|
services, and Nomad manages running the plugin and calling the implemented
|
||
|
|
RPCs. This means that plugins are free to be implemented in the author's
|
||
|
|
language of choice.
|
||
|
|
|
||
|
|
To make plugin development easier, a set of go interfaces and structs exist for
|
||
|
|
each plugin type that abstract away go-plugin and the GRPC interface. The
|
||
|
|
guides in this documentation reference these abstractions for ease of use.
|
||
|
|
|
||
|
|
[goplugin]: https://github.com/hashicorp/go-plugin
|