# 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 and maintenance history (manual)
* RSS feed for incidents and maintenance messages
* 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.conf` 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, Timeout (sec)
http, 200, Google Website, https://google.com,20
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.

The default timeout is set in `uptimeatomic` but can be set in `checks.csv` per host.

## Incidents / Maintenance


The syntax of the `incidents.txt` and `pastincidents.txt` files is:

```
Datetime, Type, Description
202305231230, Incident, There was a service disruption on 2023-05-23 at 12:23 UTC
202306031700, Maintenance, Server maintenance is scheduled on 2023-07-13 at 00:00 UTC
```

## Parameters

```
./uptimeatomic -c CHECKFILE -i INCIDENTSFILE -p PASTINCENTSFILE -o HTMLFILE -r RSSFILE
Default:
	-c = checks.csv (default)
	-i = incidents.txt (default)
	-p = pastincidents.txt (default)
	-o = index.html (default)
	-r = rss file (no default, optional)
```

For example:
        
```     
./uptimeatomic -c services.csv -o status.html -r rss.xml
```