2019-06-06 19:18:45 +00:00
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# Nomad Codebase Documentation
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This directory contains some documentation about the Nomad codebase,
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aimed at readers who are interested in making code contributions.
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If you're looking for information on _using_ using, please instead refer
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to [the main Nomad website](https://nomadproject.io).
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## Architecture
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The code for Nomad's major components is organized as:
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* `api/` provides a Go client for Nomad's HTTP API.
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* `client/` contains Nomad's client agent code.
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* `command/` contains Nomad's CLI code.
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* `nomad/` contains Nomad's server agent code.
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2019-06-06 21:05:13 +00:00
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The high level control flow for many Nomad actions (via the CLI or UI) are:
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2019-06-06 19:18:45 +00:00
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```
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2019-06-06 21:05:13 +00:00
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# Read actions:
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Client -> HTTP API -> RPC -> StateStore
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2019-06-06 19:18:45 +00:00
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2019-06-06 21:05:13 +00:00
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# Actions that change state:
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Client -> HTTP API -> RPC -> Raft -> FSM -> StateStore
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2019-06-06 19:18:45 +00:00
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```
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## Checklists
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When adding new features to Nomad there are often many places to make changes.
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It is difficult to determine where changes must be made and easy to make
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mistakes.
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The following checklists are meant to be copied and pasted into PRs to give
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developers and reviewers confidence that the proper changes have been made:
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* [New `jobspec` entry](checklist-jobspec.md)
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* [New CLI command](checklist-command.md)
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