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updated readme to use the new template
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Signed-off-by: Sean Porter <portertech@gmail.com>
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[![Bonsai Asset Badge](https://img.shields.io/badge/Sensu%20Prometheus%20Collector-Download%20Me-brightgreen.svg?colorB=89C967&logo=sensu)](https://bonsai.sensu.io/assets/sensu/sensu-prometheus-collector) [![Build Status](https://travis-ci.org/sensu/sensu-prometheus-collector.svg?branch=master)](https://travis-ci.org/sensu/sensu-prometheus-collector)
## Sensu Prometheus Collector
[![Bonsai Asset Badge](https://img.shields.io/badge/Sensu%20Prometheus%20Collector-Download%20Me-brightgreen.svg?colorB=89C967&logo=sensu)](https://bonsai.sensu.io/assets/sensu/sensu-prometheus-collector)

# Sensu Prometheus Collector

## Table of Contents
- [Overview](#overview)
- [Usage examples](#usage-examples)
- [Configuration](#configuration)
- [Sensu Go](#sensu-go)
- [Asset definition](#asset-definition)
- [Check definition(s)](#check-definitions)
- [Sensu Core](#sensu-core)
- [Check definition](#check-definition)
- [Handler definition](#handler-definition)
- [Installation from source and contributing](#installation-from-source-and-contributing)
- [Asset registration](#asset-registration)
- [Resource definition](#resource-definition)
- [Installation from source](#installation-from-source)
- [Contributing](#contributing)

### Overview
## Overview

The Sensu Prometheus Collector is a Sensu Check Plugin that collects
metrics from a Prometheus exporter or the Prometheus query API. The
Expand All @@ -26,14 +25,12 @@ one or more time-series databases, for example InfluxDB and/or
Graphite! Instrument your applications with the Prometheus libraries
and immediately begin collecting your metrics with Sensu!

### Usage examples

## Usage examples

Help:

```
$ sensu-prometheus-collector -h
Usage of ./sensu-prometheus-collector:
Usage of sensu-prometheus-collector:
-exporter-authorization string
Prometheus exporter Authorization header.
-exporter-password string
Expand Down Expand Up @@ -77,115 +74,64 @@ $ sensu-prometheus-collector -prom-url http://localhost:9090 -prom-query up
up,instance=localhost:9090,job=prometheus value=1 1506991495
```

### Asset registration

Assets are the best way to make use of this handler. If you're not using an asset, please consider doing so! If you're using sensuctl 5.13 or later, you can use the following command to add the asset:

`sensuctl asset add sensu/sensu-prometheus-collector`

If you're using an earlier version of sensuctl, you can download the asset definition from [this project's Bonsai Asset Index page](https://bonsai.sensu.io/assets/sensu/sensu-prometheus-collector).
## Configuration

### Configuration
### Asset registration

#### Sensu Go
[Sensu Assets][10] are the best way to make use of this plugin. If you're not using an asset, please
consider doing so! If you're using sensuctl 5.13 with Sensu Backend 5.13 or later, you can use the
following command to add the asset:

##### Asset definition
```yaml
---
type: Asset
api_version: core/v2
metadata:
name: sensu-prometheus-collector_linux_amd64
labels:
annotations:
io.sensu.bonsai.url: https://bonsai.sensu.io/assets/sensu/sensu-prometheus-collector
io.sensu.bonsai.api_url: https://bonsai.sensu.io/api/v1/assets/sensu/sensu-prometheus-collector
io.sensu.bonsai.tier: Supported
io.sensu.bonsai.version: 1.1.6
io.sensu.bonsai.namespace: sensu
io.sensu.bonsai.name: sensu-prometheus-collector
io.sensu.bonsai.tags: check
spec:
url: https://assets.bonsai.sensu.io/ef812286f59de36a40e51178024b81c69666e1b7/sensu-prometheus-collector_1.1.6_linux_amd64.tar.gz
sha512: a70056ca02662fbf2999460f6be93f174c7e09c5a8b12efc7cc42ce1ccb5570ee0f328a2dd8223f506df3b5972f7f521728f7bdd6abf9f6ca2234d690aeb3808
filters:
- entity.system.os == 'linux'
- entity.system.arch == 'amd64'
```
sensuctl asset add sensu/sensu-prometheus-collector
```

##### Check definition
If you're using an earlier version of sensuctl, you can find the asset on the [Bonsai Asset Index][https://bonsai.sensu.io/assets/sensu/sensu-prometheus-collector].

```yaml
### Resource definition

```yml
---
type: CheckConfig
api_version: core/v2
metadata:
name: sensu-prom-metrics
namespace: default
spec:
check_hooks: null
command: sensu-prometheus-collector -exporter-url http://localhost:9182/metrics
output_metric_format: influxdb_line
output_metric_handlers:
- influxdb
runtime_assets:
- sensu/sensu-prometheus-collector
stdin: false
subdue: null
subscriptions:
- linux
timeout: 5
ttl: 0
```
#### Sensu Core
##### Check definition
```
{
"checks": {
"prometheus_metrics": {
"type": "metric",
"command": "sensu-prometheus-collector -exporter-url http://localhost:8080/metrics",
"subscribers": ["app_tier"],
"interval": 10,
"handler": "influx"
}
}
}
```

##### Handler definition
## Installation from source
```
{
"handlers": {
"influx": {
"type": "udp",
"mutator": "only_check_output",
"socket": {
"host": "influx.example.com",
"port": 8189
}
}
}
}
```


## Installation from source and contributing

The preferred way of installing and deploying this plugin is to use it as an [asset]. If you would like to compile and install the plugin from source or contribute to it, download the latest version of the sensu-CHANGEME from [releases][1]
The preferred way of installing and deploying this plugin is to use it as an Asset. If you would
like to compile and install the plugin from source or contribute to it, download the latest version
or create an executable script from this source.
From the local path of the sensu-prometheus-collector repository:
```
go build -o /usr/local/bin/sensu-prometheus-collector main.go
go build
```

If you'd like to contribute to this plugin, see https://github.com/sensu/sensu-go/blob/master/CONTRIBUTING.md
## Contributing

For more information about contributing to this plugin, see [Contributing][1].

[1]: https://github.com/sensu/sensu-prometheus-collector/releases
[2]: #asset-registration
[1]: https://github.com/sensu/sensu-go/blob/master/CONTRIBUTING.md
[2]: https://github.com/sensu-community/sensu-plugin-sdk
[3]: https://github.com/sensu-plugins/community/blob/master/PLUGIN_STYLEGUIDE.md
[4]: https://github.com/sensu-community/check-plugin-template/blob/master/.github/workflows/release.yml
[5]: https://github.com/sensu-community/check-plugin-template/actions
[6]: https://docs.sensu.io/sensu-go/latest/reference/checks/
[7]: https://github.com/sensu-community/check-plugin-template/blob/master/main.go
[8]: https://bonsai.sensu.io/
[9]: https://github.com/sensu-community/sensu-plugin-tool
[10]: https://docs.sensu.io/sensu-go/latest/reference/assets/

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