We need servers at Online, but there is no availability! So they came to ask me if I didn’t have a magic solution…

A little bash… a notify in this case Slack and here we go!
As usual sources are available.

Dirty way

*To be alerted via slack you have to create an incoming-webhook which will generate a link.

For an XC 2016 series server:

text="DISPO : https://www.online.net/fr/serveur-dedie/dedibox-xc"; json="{\"channel\": \"#infra\", \"text\": \"$text\"}" ; while true ; do curl --silent https://www.online.net/fr/serveur-dedie  | grep '<button class="btn btn--primary js-order-dedibox"' | grep -i 'xc 2016' | grep -i 'victime' || curl -s -d "payload=$json" "https://hooks.slack.com/services/XXX/XXXX/XXXX/XXXX" ; sleep 5 ; done 

Curl will be done only if one server is available.

Clean way

Just code formating :

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#!/bin/bash

webhook="https://hooks.slack.com/services/XXX/XXXX/XXXX/XXXX"
url="https://www.online.net/fr/serveur-dedie/XXXXX"
text="DISPO : $url"
channel="test"
json="{\"channel\": \"#$channel\", \"text\": \"$text\"}"
server="XC 2016"

while true
    do curl --silent https://www.online.net/fr/serveur-dedie | \
    grep '<button class="btn btn--primary js-order-dedibox"' | \
    grep -i "$server" | grep -i 'victime' || \
    curl -s -d "payload=$json" "$webhook" ; \
    sleep 5 ; \
done

You can also push the vice further by filtering on the region and the disc types.

Pig mode

Because… why not ?

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text="DISPO https://www.online.net/fr/serveur-dedie/dedibox-xc"; json="{\"channel\": \"#test\", \"text\": \"$text\"}" ; while true ; do curl --silent https://www.online.net/fr/serveur-dedie/dedibox-xc | egrep -io '<option value="\w+">ssd / france / dc2</option>' && curl -s -d "payload=$json" "https://hooks.slack.com/services/XXX/XXXX/XXXX" ; sleep 5 ; done

Next step, simulate an order ?