#!/bin/sh

### BEGIN INIT INFO
# Provides:             evobackup
# Required-Start:       $syslog
# Required-Stop:        $syslog
# Default-Start:        2
# Default-Stop:         1
# Short-Description:    Backup manager using rsync and OpenSSH chroot.
### END INIT INFO

set -e
BACKUP_PATH=/backup

case "$1" in
    start)
        for jail in $(ls -1 ${BACKUP_PATH}/jails |grep -v \.bak); do
            mount -t proc proc-chroot ${BACKUP_PATH}/jails/${jail}/proc/
            mount -t devtmpfs udev ${BACKUP_PATH}/jails/${jail}/dev/
            mount -t devpts devpts ${BACKUP_PATH}/jails/${jail}/dev/pts
            chroot ${BACKUP_PATH}/jails/${jail} /usr/sbin/sshd > /dev/null
        done
    ;;

    stop)
        for jail in $(ls -1 ${BACKUP_PATH}/jails |grep -v \.bak); do
            kill $(chroot ${BACKUP_PATH}/jails/${jail} cat /var/run/sshd.pid)
            umount ${BACKUP_PATH}/jails/${jail}/proc/
            umount ${BACKUP_PATH}/jails/${jail}/dev/pts/
            # Need to wait a little time before unmounting /dev
            sleep 0.2
            umount ${BACKUP_PATH}/jails/${jail}/dev
        done
    ;;

    reload|force-reload)
        for jail in $(ls -1 ${BACKUP_PATH}/jails |grep -v \.bak); do
            kill -HUP \
                $(chroot ${BACKUP_PATH}/jails/${jail} cat /var/run/sshd.pid)
        done
    ;;

    restart)
        for jail in $(ls -1 ${BACKUP_PATH}/jails |grep -v \.bak); do
            kill $(chroot ${BACKUP_PATH}/jails/${jail} cat /var/run/sshd.pid)
            chroot ${BACKUP_PATH}/jails/${jail} /usr/sbin/sshd > /dev/null
        done
    ;;

  *)

    echo "Usage: $0 {start|stop|restart|reload}"
    exit 1

esac

exit 0