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Community implementation of Facter

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# openfact

[![Gem Version](https://badge.fury.io/rb/openfact.svg)](https://badge.fury.io/rb/openfact)
[![License](https://img.shields.io/github/license/OpenVoxProject/openfact.svg)](https://github.com/OpenVoxProject/openfact/blob/main/LICENSE)

OpenFact is a community implementation of [Facter](https://github.com/puppetlabs/facter/), a command-line tool that gathers basic facts about nodes (systems)
such as hardware details, network settings, OS type and version, and more.
These facts are made available as variables in your Puppet manifests and can be
used to inform conditional expressions in Puppet.

## Documentation

Documentation for OpenFact can be found on the [OpenVox Docs
site](https://docs.openvoxproject.org/openfact/latest/).

Your help improving the documentation is very welcome!
Reach out to the [Documentation Special Interest Group](https://github.com/voxpupuli/community-triage/wiki/SIG.Documentation) if you want to help.

## Supported platforms
* Linux
* macOS
* Windows
* Solaris
* AIX

## Requirements
* Ruby 2.5+
* FFI (for facts like `mountpoints` which are resolved using C API calls)

## Basic concepts
The project has three main parts, the framework, facts and resolvers.
In the framework we implement functionality that is agnostic of specific facts like parsing user input, formatting output, etc.

Facts are the nuggets of information that will be provided by openfact e.g. `os.name`, `networking.interfaces`, etc.

Resolvers have the role of gathering data from the system.
For example a resolver can execute a command on the system, can read a file or any operation that retrieves some data from a single source on the system.

```mermaid
sequenceDiagram
    participant user
    participant framework
    participant fact
    participant resolver
    user->>framework: user query
    framework->>fact: create
    fact->>resolver: resolve
    resolver->>fact: system information
    fact->>framework: fact value
    framework->>user: formatted user output
````

## Getting started
After cloning the project, run `bundle install` to install all dependencies.

You can run openfact by executing `./bin/facter`.
The command will output all the facts that openfact detected for the current OS.

The implementation can be validated locally by running `bundle exec rake check`.

## Licensing
See [LICENSE](LICENSE) file.
OpenFact is licensed by the OpenVox Project as a community maintained implementation of Facter.
The OpenVox Project can be contacted at: openvox@voxpupuli.org.
Puppet itself is licensed by Puppet, Inc. under the Apache license.
Puppet, Inc. can be contacted at: info@puppet.com.

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