tempfs sync

#! /bin/sh
### BEGIN INIT INFO
# Provides:          tempfs
# Required-Start:    $remote_fs
# Required-Stop:     $remote_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Example initscript
# Description:       This file move the /var/log on tempfs, and copy them to
#                    harddrive on shutdown

#                    Create the link with :
#                    #update-rc.d tempfs start 05 2 3 4 5 . stop 95 0 1 6 .
### END INIT INFO

# Author: Sébastien Dailly <sebastien@chimrod.com>
#

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Description of the service"
NAME=tempfs
SCRIPTNAME=/etc/init.d/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
    # Return
    #   0 if daemon has been started
    #   1 if daemon was already running
    #   2 if daemon could not be started

    #C'est ici qu'on va définir le système à mettre en place ( creation des répertoires etc )

    #Creer les répertoires /devrait/ être inutile, puisque tout est sauvegardé sur
    #la partition en dur
    mkdir /tmp/log/fsck
    mkdir /tmp/log/ksymoops
    mkdir /tmp/log/news
    mkdir /tmp/log/apt
    mkdir /tmp/log/dbconfig-common
    mkdir -p /tmp/log/debian-installer/cdebconf

    mkdir /tmp/log/ntpstats;        chown ntp       /tmp/log/ntpstats/
    mkdir /tmp/log/exim4;           chown Debian-exim   /tmp/log/exim4
    mkdir /tmp/log/mysql;           chown mysql     /tmp/log/mysql/
    mkdir -p /tmp/log/apache2/evasive;  chown -R www-data:www-data /tmp/log/apache2/
    mkdir /tmp/log/pure-ftpd
    mkdir /tmp/log/mldonkey;        chown mldonkey      /tmp/log/mldonkey/
    mkdir /tmp/log/mpd;         chown mpd       /tmp/log/mpd/
    mkdir /tmp/log/lastfm;          chown lastfm        /tmp/log/lastfm/
    chgrp -R adm /tmp/log/
    mkdir /tmp/log/tor;         chown debian-tor    /tmp/log/tor/
    mkdir /tmp/uptimed;

    mkdir -p /tmp/mysql/wp_blog_chimrod/

    chown debian-tor    /var/lib/tor/
    chown daemon:daemon /var/spool/uptimed/
    chown ntp       /var/lib/ntp

    chmod 775       /var/run/screen

    #Lie les répertoires
    cp -af /var/log/ /tmp/
    cp -af /var/spool/uptimed/ /tmp/
    cp -af /var/lib/mysql/wp_blog_chimrod /tmp/mysql/
    mount --bind /tmp/log/ /var/log/
    mount --bind /tmp/mysql/wp_blog_chimrod/ /var/lib/mysql/wp_blog_chimrod/
    mount --bind /tmp/uptimed/ /var/spool/uptimed

    test -d /tmp/php_session/ || mkdir /tmp/php_session/
    chmod 777 /tmp/php_session/

    #Pour les partitions sur la clef USB on n'a pas besoin de copier lors de l'initialisation
    #mount /dev/disk/by-id/usb-EMTEC_U3_Smart_Drive_0700077B0C440397-0:0-part1 /mnt/data/
    #mount --bind /mnt/data/site/wordpress/wp-content/ /usr/share/wordpress/wp-content/
    #mount --bind /mnt/data/site/main/ /var/www/main/
}

#
# Function that stops the daemon/service
#
do_stop()
{
    #Sauvegarde les logs points de sauvegarde avant d'eteindre
    #monter avec bind permet d'outrepasser le point de montage
    #On utilise rsync pour se synchroniser
    #   (   ne pas oublier le / final
    #       sur le nom de fichier )
    mkdir /tmp/$$
    mount --bind /var/ /tmp/$$

    rsync -a --del /tmp/uptimed/ /tmp/$$/spool/uptimed/
    rsync -a --del /tmp/log/ /tmp/$$/log/
    rsync -a --del /tmp/mysql/wp_blog_chimrod/ /tmp/$$/lib/mysql/wp_blog_chimrod/
    #rsync -a --del /mnt/data/site/main/ /tmp/$$/www/main/

    #rsync -a --del /mnt/data/site/wordpress/wp-content/ /usr/share/wordpress/wp-content/

    umount /tmp/$$ && rm -r /tmp/$$
}

case "$1" in
  start)
    do_start
    ;;
  stop)
    do_stop
    ;;
  *)
    echo "Usage: $SCRIPTNAME {start|stop}" >&2
    exit 3
    ;;
esac
: