docs: Revamp readme (influxdata#15290)

Co-authored-by: Dane Strandboge <[email protected]>

README.md

@@ -1,164 +1,92 @@
+# ![tiger](assets/TelegrafTigerSmall.png "tiger") Telegraf
 
-# Telegraf
+[![GoDoc](https://img.shields.io/badge/doc-reference-00ADD8.svg?logo=go)](https://godoc.org/github.com/influxdata/telegraf)  [![Docker pulls](https://img.shields.io/docker/pulls/library/telegraf.svg)](https://hub.docker.com/_/telegraf/) [![Go Report Card](https://goreportcard.com/badge/github.com/influxdata/telegraf)](https://goreportcard.com/report/github.com/influxdata/telegraf) [![Circle CI](https://circleci.com/gh/influxdata/telegraf.svg?style=svg)](https://circleci.com/gh/influxdata/telegraf)
 
-![tiger](assets/TelegrafTiger.png "tiger")
+Telegraf is an agent for collecting, processing, aggregating, and writing
+metrics, logs, and other arbitrary data.
 
-[![Contribute](https://img.shields.io/badge/Contribute%20To%20Telegraf-orange.svg?logo=influx&style=for-the-badge)](https://github.com/influxdata/telegraf/blob/master/CONTRIBUTING.md) [![Slack Status](https://img.shields.io/badge/slack-join_chat-white.svg?logo=slack&style=for-the-badge)](https://www.influxdata.com/slack) [![Circle CI](https://circleci.com/gh/influxdata/telegraf.svg?style=svg)](https://circleci.com/gh/influxdata/telegraf) [![GoDoc](https://godoc.org/github.com/influxdata/telegraf?status.svg)](https://godoc.org/github.com/influxdata/telegraf) [![Docker pulls](https://img.shields.io/docker/pulls/library/telegraf.svg)](https://hub.docker.com/_/telegraf/) [![Go Report Card](https://goreportcard.com/badge/github.com/influxdata/telegraf)](https://goreportcard.com/report/github.com/influxdata/telegraf)
+* Offers a comprehensive suite of over 300 plugins, covering a wide range of
+  functionalities including system monitoring, cloud services, and message
+  passing
+* Enables the integration of user-defined code to collect, transform, and
+  transmit data efficiently
+* Compiles into a standalone static binary without any external dependencies,
+  ensuring a streamlined deployment process
+* Utilizes TOML for configuration, providing a user-friendly and unambiguous
+  setup experience
+* Developed with contributions from a diverse community of over 1,200
+  contributors
 
-Telegraf is an agent for collecting, processing, aggregating, and writing metrics. Based on a
-plugin system to enable developers in the community to easily add support for additional
-metric collection. There are four distinct types of plugins:
+Users can choose plugins from a wide range of topics, including but not limited
+to:
 
-1. [Input Plugins](/docs/INPUTS.md) collect metrics from the system, services, or 3rd party APIs
-2. [Processor Plugins](/docs/PROCESSORS.md) transform, decorate, and/or filter metrics
-3. [Aggregator Plugins](/docs/AGGREGATORS.md) create aggregate metrics (e.g. mean, min, max, quantiles, etc.)
-4. [Output Plugins](/docs/OUTPUTS.md) write metrics to various destinations
+* Devices: OPC UA, Modbus
+* Logs: File, Tail, Directory Monitor
+* Messaging: AMQP, Kafka, MQTT
+* Monitoring: OpenTelemetry, Prometheus
+* Networking: Cisco TelemetryMDT, gNMI
+* System monitoring: CPU, Memory, Disk, Network, SMART, Docker, Nvidia SMI, etc.
+* Universal: Exec, HTTP, HTTP Listener, SNMP, SQL
+* Windows: Event Log, Management Instrumentation, Performance Counters
 
-New plugins are designed to be easy to contribute, pull requests are welcomed, and we work to
-incorporate as many pull requests as possible. Consider looking at the
-[list of external plugins](EXTERNAL_PLUGINS.md) as well.
+## 🔨 Installation
 
-## Minimum Requirements
+For binary builds, Docker images, RPM & DEB packages, and other builds of
+Telegraf, please see the [install guide](/docs/INSTALL_GUIDE.md).
 
-Telegraf shares the same [minimum requirements][] as Go:
+See the [releases documentation](/docs/RELEASES.md) for details on versioning
+and when releases are made.
 
-- Linux kernel version 2.6.32 or later
-- Windows 10 or later
-- FreeBSD 12 or later
-- macOS 10.15 Catalina or later
+## 💻 Usage
 
-[minimum requirements]: https://go.dev/wiki/MinimumRequirements
+Users define a TOML configuration with the plugins and settings they wish to
+use, then pass that configuration to Telegraf. The Telegraf agent then
+collects data from inputs at each interval and sends data to outputs at each
+flush interval.
 
-## Obtaining Telegraf
+For a basic walkthrough see [quick start](/docs/QUICK_START.md).
 
-View the [changelog](/CHANGELOG.md) for the latest updates and changes by version.
+## 📖 Documentation
 
-### Binary Downloads
+For a full list of documentation including tutorials, reference and other
+material, start with the [Docs directory](/docs/README.md).
 
-Binary downloads are available from the [InfluxData downloads](https://www.influxdata.com/downloads)
-page or from each [GitHub Releases](https://github.com/influxdata/telegraf/releases) page.
+Additionally, each plugin has its own README that includes details about how to
+configure, use, and sometimes debug or troubleshoot. Look under the
+[/plugins directory](/plugins/) for specific plugins.
 
-### Package Repository
+Here are some commonly used documents:
 
-InfluxData also provides a package repo that contains both DEB and RPM downloads.
+* [Changelog](/CHANGELOG.md)
+* [Configuration](/docs/CONFIGURATION.md)
+* [FAQ](/docs/FAQ.md)
+* [Releases](https://github.com/influxdata/telegraf/releases)
+* [Security](/SECURITY.md)
 
-For deb-based platforms (e.g. Ubuntu and Debian) run the following to add the
-repo key and setup a new sources.list entry:
+## ❤️ Contribute
 
-```shell
-# influxdata-archive_compat.key GPG fingerprint:
-#     9D53 9D90 D332 8DC7 D6C8 D3B9 D8FF 8E1F 7DF8 B07E
-wget -q https://repos.influxdata.com/influxdata-archive_compat.key
-echo '393e8779c89ac8d958f81f942f9ad7fb82a25e133faddaf92e15b16e6ac9ce4c influxdata-archive_compat.key' | sha256sum -c && cat influxdata-archive_compat.key | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/influxdata-archive_compat.gpg > /dev/null
-echo 'deb [signed-by=/etc/apt/trusted.gpg.d/influxdata-archive_compat.gpg] https://repos.influxdata.com/debian stable main' | sudo tee /etc/apt/sources.list.d/influxdata.list
-sudo apt-get update && sudo apt-get install telegraf
-```
+[![Contribute](https://img.shields.io/badge/contribute-to_telegraf-blue.svg?logo=influxdb)](https://github.com/influxdata/telegraf/blob/master/CONTRIBUTING.md)
 
-For RPM-based platforms (e.g. RHEL, CentOS) use the following to create a repo
-file and install telegraf:
+We love our community of over 1,200 contributors! Many of the plugins included
+in Telegraf were originally contributed by community members. Check out
+our [contributing guide](CONTRIBUTING.md) if you are interested in helping out.
+Also, join us on our [Community Slack](https://influxdata.com/slack) or
+[Community Forums](https://community.influxdata.com/) if you have questions or
+comments for our engineering teams.
 
-```shell
-# influxdata-archive_compat.key GPG fingerprint:
-#     9D53 9D90 D332 8DC7 D6C8 D3B9 D8FF 8E1F 7DF8 B07E
-cat <<EOF | sudo tee /etc/yum.repos.d/influxdata.repo
-[influxdata]
-name = InfluxData Repository - Stable
-baseurl = https://repos.influxdata.com/stable/\$basearch/main
-enabled = 1
-gpgcheck = 1
-gpgkey = https://repos.influxdata.com/influxdata-archive_compat.key
-EOF
-sudo yum install telegraf
-```
+If you are completely new to Telegraf and InfluxDB, you can also enroll for free at
+[InfluxDB university](https://www.influxdata.com/university/) to take courses to
+learn more.
 
-### Build From Source
+## ℹ️ Support
 
-Telegraf requires Go version 1.22 or newer and the Makefile requires GNU make.
+[![Slack](https://img.shields.io/badge/slack-join_chat-blue.svg?logo=slack)](https://www.influxdata.com/slack) [![Forums](https://img.shields.io/badge/discourse-join_forums-blue.svg?logo=discourse)](https://community.influxdata.com/)
 
-On Windows, the makefile requires the use of a bash terminal to support all makefile targets.
-An easy option to get bash for windows is using the version that comes with [git for windows](https://gitforwindows.org/).
+Please use the [Community Slack](https://influxdata.com/slack) or
+[Community Forums](https://community.influxdata.com/) if you have questions or
+comments for our engineering teams. GitHub issues are limited to actual issues
+and feature requests only.
 
-1. [Install Go](https://golang.org/doc/install)
-2. Clone the Telegraf repository:
+## 📜 License
 
-   ```shell
-   git clone https://github.com/influxdata/telegraf.git
-   ```
-
-3. Run `make build` from the source directory
-
-   ```shell
-   cd telegraf
-   make build
-   ```
-
-### Nightly Builds
-
-[Nightly](/docs/NIGHTLIES.md) builds are available, generated from the master branch.
-
-### 3rd Party Builds
-
-Builds for other platforms or package formats are provided by members of theTelegraf community.
-These packages are not built, tested, or supported by the Telegraf project or InfluxData. Please
-get in touch with the package author if support is needed:
-
-- [Ansible Role](https://github.com/rossmcdonald/telegraf)
-- [Chocolatey](https://chocolatey.org/packages/telegraf) by [ripclawffb](https://chocolatey.org/profiles/ripclawffb)
-- [Scoop](https://github.com/ScoopInstaller/Main/blob/master/bucket/telegraf.json)
-- [Snap](https://snapcraft.io/telegraf) by Laurent Sesquès (sajoupa)
-- [Homebrew](https://formulae.brew.sh/formula/telegraf#default)
-
-## Getting Started
-
-See usage with:
-
-```shell
-telegraf --help
-```
-
-### Generate a telegraf config file
-
-```shell
-telegraf config > telegraf.conf
-```
-
-### Generate config with only cpu input & influxdb output plugins defined
-
-```shell
-telegraf config --section-filter agent:inputs:outputs --input-filter cpu --output-filter influxdb
-```
-
-### Run a single telegraf collection, outputting metrics to stdout
-
-```shell
-telegraf --config telegraf.conf --test
-```
-
-### Run telegraf with all plugins defined in config file
-
-```shell
-telegraf --config telegraf.conf
-```
-
-### Run telegraf, enabling the cpu & memory input, and influxdb output plugins
-
-```shell
-telegraf --config telegraf.conf --input-filter cpu:mem --output-filter influxdb
-```
-
-## Contribute to the Project
-
-Telegraf is an MIT licensed open source project and we love our community. The fastest way to get something fixed is to open a PR. Check out our [contributing guide](CONTRIBUTING.md) if you're interested in helping out. Also, join us on our [Community Slack](https://influxdata.com/slack) or [Community Page](https://community.influxdata.com/) if you have questions or comments for our engineering teams.
-
-If your completely new to Telegraf and InfluxDB, you can also enroll for free at [InfluxDB university](https://www.influxdata.com/university/) to take courses to learn more.
-
-## Documentation
-
-[Latest Release Documentation](https://docs.influxdata.com/telegraf/latest/)
-
-For documentation on the latest development code see the [documentation index](/docs).
-
-- [Input Plugins](/docs/INPUTS.md)
-- [Output Plugins](/docs/OUTPUTS.md)
-- [Processor Plugins](/docs/PROCESSORS.md)
-- [Aggregator Plugins](/docs/AGGREGATORS.md)
+[![MIT](https://img.shields.io/badge/license-MIT-blue)](https://github.com/influxdata/telegraf/blob/master/LICENSE)