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Peter 2 years ago
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      README.md
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      spacestatus.json
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      spacestatus.sh

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README.md View File

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# spacestatus
A simple `bash` script to display the open/close status of `/usr/space`.
Depends on:
- `isc-dhcp-server`
- `arping`

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spacestatus.json View File

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{"api":"0.13","space":"/usr/space","logo":"","url":"https://usrspace.at","location":{"lat":47.92305,"lon":16.21173,"address":"Mühlgasse 8, 2544 Leobersdorf, Austria"},"state":{"open":%s},"contact":{"twitter":"@usrspace_at","email":"kernel AT usrspace.at","facebook":"https://facebook.com/usrspace.at","keymasters":[{"name":"Peter","twitter":"@pludikovsky"}]},"issue_report_channels":["email","twitter"],"feeds":{"calendar":{"type":"ical","url":"https://usrspace.at/termine.ics"}},"cache":{"schedule":"m.05"},"projects":["https://gitlab.usrspace.at/","https://www.usrspace.at/w/index.php?title=Kategorie:Projekte"]}

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spacestatus.sh View File

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#!/usr/bin/env bash
[ ! -z "$DEBUG" ] && set -x
set -eu
function write_html {
status=$1
STATUS_HTML=/srv/www/spacestatus.html
TEMPLATE_HTML='<!DOCTYPE html><html><head><title>Status /usr/space: %s</title></head><body><p><code style="color: %s">%s</code></p></html>'
CLOSED_HTML='Closed darkred Closed'
OPEN_HTML='Open brightgreen Open'
if [ "$status" -gt 0 ]
then
printf "$TEMPLATE_HTML" $OPEN_HTML > $STATUS_HTML
else
printf "$TEMPLATE_HTML" $CLOSED_HTML > $STATUS_HTML
fi
}
function write_json {
status=$1
STATUS_JSON=/srv/www/spacestatus.json
TEMPLATE_JSON=$( cat /usr/local/etc/spacestatus.json )
CLOSED_JSON='false'
OPEN_JSON='true'
if [ "$status" -gt 0 ]
then
printf "$TEMPLATE_JSON" $OPEN_JSON > $STATUS_JSON
else
printf "$TEMPLATE_JSON" $CLOSED_JSON > $STATUS_JSON
fi
}
tmpcount=$(mktemp)
exec 3>$tmpcount
/usr/sbin/dhcp-lease-list --parsable | awk '{print $4}' | while read ip
do
/usr/bin/arping -w 1 -f -q $ip
[ $? -eq 0 ] && echo 1 >&3
done
exec 3>&-
leases=$( cat $tmpcount | wc -l )
write_html $leases
write_json $leases
rm $tmpcount

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