# Uptime Atomic

uptimeatomic alerts when downtime happens and generates an html status page via shell script.

## Features

* Parallel checks
* HTTP, ping, port checks
* HTTP expected status code (401, ...)
* Minimal dependencies (curl, nc and coreutils)
* Easy configuration and customisation
* Tiny (~1kb) optimized result page
* Incident history (manual)
* Crontab friendly

## Demo

An example site is available [here](https://ops.lowfive.nl/)

## Setup

To install uptimeatomic:

* Clone the repository and go to the created directory
* Edit `uptimeatomic` variables to your liking
* Edit the checks file `checks.csv`
* To add incidents or maintenance, edit `incidents.txt`
* To add past incidents or maintenance, edit `pastincidents.txt`
* Generate status page `./uptimeatomic`
* Serve the page with your favorite web server

## Configuration file

The syntax of `checks.csv` file is:
```
Command, Expected Code, Status Text, Host to check
http, 200, Google Website, https://google.com
maint, 200, Google Drive Maintenance, https://drive.google.com
ping, 0, Google ping, 8.8.8.8
port, 0, Google DNS, 8.8.8.8 53
```

Command can be:
* `http` - Check http status
* `ping` - Check ping status 
* `port` - Check open port status
* `maint` - Host is in maintance

There are also `http4`, `http6`, `ping4`, `ping6`, `port4`, `port6` for IPv4 or IPv6 only check.  
Note: `port4` and `port6` require OpenBSD `nc` binary.

## Parameters

```
./uptimeatomic -c CHECKFILE -i INCIDENTSFILE -o HTMLFILE
Default:
	-c = checks.csv
	-i = incidents.txt
	-p = pastincidents.txt
	-o = index.html
```