homeserver/roles/mgrote.zfs_sanoid/templates/sanoid-cron.sh

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#!/bin/bash
{{ file_header | default () }}
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export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
LOCKDIR=${HOME}/.cache
# Get an exclusive lock or exit
function exlock() {
exec {lock_fd}>${LOCKDIR}/$(basename $0).lock
flock -nx "$lock_fd"
if [[ $? == 1 ]]; then
exit 1
fi
}
# Cleanup lock file and exit
function unlock() {
rm "${LOCKDIR}/$(basename $0).lock"
[[ -n $1 ]] && exit $1
exit 0
}
# Damit prueft ob das Script ob es schon laeuft
exlock
(
echo "--------------------------------------------------"
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echo $(date +%d.%m.%Y-%T) sanoid start
echo ""
/usr/local/bin/sanoid --cron --verbose
echo ""
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echo $(date +%d.%m.%Y-%T) sanoid end
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) >> /var/log/sanoid-cron.log 2>&1 &
#Hiermit wird die Lockdatei geloescht
unlock