#!/bin/sh

if [ ! -z "$1" ]
    then
        DCF=$1
    else
        /bin/echo "Syntax incorrect! Usage: dar2-restore dcf"
        exit 0
fi

STATUS=$(/sbin/e-smith/db /home/e-smith/db/dar2 getprop $DCF status)
if [ "$STATUS" != 'enabled' ]
    then
        exit 1
fi

STIME=$(/bin/date)
DAR="/usr/bin/dar"

# Backup variables
ID=$(/sbin/e-smith/config get SystemName).$(/sbin/e-smith/config get DomainName)
MOUNT=$(/sbin/e-smith/db /home/e-smith/db/dar2 getprop $DCF Mount)
TARGET=$(/sbin/e-smith/db /home/e-smith/db/dar2 getprop $DCF Target)
USERNAME=$(/sbin/e-smith/db /home/e-smith/db/dar2 getprop $DCF Username)
PASSWORD=$(/sbin/e-smith/db /home/e-smith/db/dar2 getprop $DCF Password)
VFSTYPE=$(/sbin/e-smith/db /home/e-smith/db/dar2 getprop $DCF VFSType)

# Restore variables
DATE=$(/sbin/e-smith/db /home/e-smith/db/dar2 getprop Restore.$DCF Date)
DR=$(/sbin/e-smith/db /home/e-smith/db/dar2 getprop Restore.$DCF DR)
RESTORETO=$(/sbin/e-smith/db /home/e-smith/db/dar2 getprop Restore.$DCF RestoreTo)

/bin/umount $MOUNT >/dev/null 2>&1

# mount 
if [ "$MOUNT" == "/mnt/dar2" ]
    then
        MOUNT=$MOUNT/$DCF
        # create mount dir
        if [ ! -d $MOUNT ]
            then
                /bin/echo "Creating $MOUNT dir"
                /bin/mkdir -p $MOUNT || exit 2
        fi
        /bin/echo "Connecting $MOUNT to $TARGET"
        /bin/mount -t $VFSTYPE -o username=$USERNAME,password=$PASSWORD $TARGET $MOUNT || exit 3
     else
        /bin/echo "Connecting to $MOUNT"
        /bin/mount $MOUNT || exit 4
fi

# expand job template
/bin/echo "Expanding /etc/dar2/$DCF template"
if [ -e "/etc/dar2/$DCF" ]
   then
        /bin/rm -f /etc/dar2/$DCF || exit 5
fi
/sbin/e-smith/expand-template /etc/dar2/dar2-restore $DCF ; /bin/mv /etc/dar2/dar2-restore /etc/dar2/$DCF || exit 6

# check backup dir
if [ ! -d $MOUNT/$ID/$DCF ]
    then
        /bin/echo "Error locating /$ID/$DCF dir"
        exit 7
fi

# execute pre-restore event
if [ "$DR" == "Enabled" ]
    then
    /bin/echo "Executing pre-restore event"
    /sbin/e-smith/signal-event pre-restore || exit 8
fi

# perform dar restore
/bin/echo "Performing $DCF restore"
$DAR -x $MOUNT/$ID/$DCF/$DATE -B /etc/dar2/$DCF || exit 9

# dismount
/bin/echo "Dismounting $MOUNT"
/bin/umount -l $MOUNT &

FTIME=$(/bin/date)

/bin/echo "$STIME - restore started"
/bin/echo "$FTIME - restore finished"

if [ "$DR" == "Enabled" ]
    then
	/bin/echo "To finish your disaster recovery restore, please run:"
        /bin/echo ""
        /bin/echo "signal-event post-upgrade ; signal-event reboot"
fi