lanturtle-modules/modules/cron

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#!/bin/bash /usr/lib/turtle/turtle_module
VERSION="1.0"
DESCRIPTION="Schedule Tasks"
CONF=/tmp/cron.form
: ${DIALOG_OK=0}
: ${DIALOG_CANCEL=1}
: ${DIALOG_HELP=2}
: ${DIALOG_EXTRA=3}
: ${DIALOG_ITEM_HELP=4}
: ${DIALOG_ESC=255}
function configure {
if [ ! -e /etc/crontabs/root ]; then
touch /etc/crontabs/root
echo -e "\
# * * * * * command\n\
# | | | | +- - - - day of week (0 - 6) (Sunday=0)\n\
# | | | +- - - - - month (1 - 12)\n\
# | | +- - - - - - day of month (1 - 31)\n\
# | +- - - - - - - hour (0 - 23)\n\
# +- - - - - - - - minute (0 - 59)\n\
# \n\
# 30 2 * * * start script2email # Run at 2:30 AM daily\n\
# */15 * * * * start script2http # Run every 15 minutes\n\
# \n\
# See Help for a list of modules which may be scheduled.\n\
" > /etc/crontabs/root
fi
dialog \
--help-button \
--title "Crontab: /etc/crontabs/root" \
--editbox /etc/crontabs/root 18 72\
2>$CONF
return=$?
case $return in
$DIALOG_OK)
cat $CONF | {
cat $CONF > /etc/crontabs/root
/etc/init.d/cron stop
rm $CONF
/etc/init.d/cron start
};;
$DIALOG_HELP)
dialog --title "Help" \
--msgbox "Cron is a job scheduler which can be used to start and stop modules at specific times or regular intervals using the 'start' and 'stop' commands.\n \n\
30 2 * * * start script2email # Run at 2:30 AM daily\n\
*/15 * * * * start script2http # Run every 15 minutes\n\
\n\
Available modules:\n\
$(ls -w 40 /etc/turtle/modules/)\n \n\
Jobs may be temporarily disabled by prefixing them with a comment (#)\n \n\
Syntax:\n\
* * * * * command\n\
| | | | +- - - - day of week (0 - 6) (Sunday=0)\n\
| | | +- - - - - month (1 - 12)\n\
| | +- - - - - - day of month (1 - 31)\n\
| +- - - - - - - hour (0 - 23)\n\
+- - - - - - - - minute (0 - 59)\n\
" 20 60
configure
;;
$DIALOG_CANCEL)
rm $CONF;;
$DIALOG_ESC)
rm $CONF;;
esac
}
function start {
/etc/init.d/cron reload
/etc/init.d/cron start
}
function stop {
/etc/init.d/cron stop
}
function status {
if pgrep crond > /dev/null; then echo "1"; else echo "0"; fi
}