53 lines
1.1 KiB
Bash
Executable File
53 lines
1.1 KiB
Bash
Executable File
#!/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
|