#!/bin/bash
#chroot  and /tmp
MVHOSTNAME=larch5
. /etc/profile
TEMP_TEMPLATES=/tmp/templates
disk=$2
rootfs=$3
rootsize=$4
datafs=$5
datasize=$6
swapsize=$7
mountpoint="/new_boot"
run=$MV_ROOT/bin/install_functions.sh
. /etc/systemconfig 2>/dev/null
. $MV_ROOT/bin/networkconfig.sh
CMDLINE=$(cat /proc/cmdline)

#TEMPNET="Hostip"$default_interface
#eval MYTHIP=\$${TEMPNET}


progress () {
mypercent=`echo "$1" | cut -d. -f1`
if [  x$mypercent = x ]
then
echo "" > /tmp/.install_percent
else
echo "${mypercent}% complete" > /tmp/.install_percent
fi


}

function apply_new_auth () {
#check if file is present
    if  [ -f  /root/myth_user_call.out ]
    then
        #read in file, running each command in chroot
        exec 4</root/myth_user_call.out
        while read LINE <&4
        do
            if [ ! x"$LINE" = x ]
            then
                #run commands in chroot
                chroot "$mountpoint"   $MV_ROOT/bin/myth_user_call -i $LINE > /tmp/user_auth.update
            fi
        done
        rm -f /root/myth_user_call.out
    else
        echo "No new password changes to apply"
    fi
}


function backup_sql_check {

    if [ -f $mountpoint/myth/backup/mythconverg.sql.gz ]
    then
        return 0
    else
        return 1
    fi
}

function upgrade_mount_search {
    MYTH_P=`cat /tmp/etc/fstab |grep /myth| awk ' {print $1 '} `
    umount $mountpoint/myth
    mount $MYTH_P $mountpoint/myth
    return 0

}


full_install () {
    if [ -f /tmp/.this_is_upgrade ]
    then
        rm /tmp/.this_is_upgrade
    fi
    echo "Partitioning $disk" > /tmp/.install_state
    progress 1
    sleep 1
    $run partition_it $disk $rootsize $datasize $swapsize

    echo "Formating $disk" > /tmp/.install_state
        progress 2
    sleep 1
    $run format_it $disk $rootfs $datafs

    echo "Preparing $disk" > /tmp/.install_state
    progress 3
    sleep 1
    $run mount_it $disk

    startsize=`statgrab -M disk.|grep $disk.write_bytes|cut -d= -f 2|tr -d " "`

    echo "STARTSIZE=$startsize">/tmp/.startsize.io
    echo "Installing data" > /tmp/.install_state

    sleep 1
        $run copy_it $disk ALL
        rm $mountpoint/etc/fstab
        $run fstab_fix_it $disk $rootfs $datafs FULL_INSTALL

    progress 99
    sleep 1
    $run grub_it $disk


    echo "Configuring system" > /tmp/.install_state
        progress 100
        sleep 1
        cp -f /etc/systemconfig "$mountpoint"/etc
        #run save syssettings to save settings, then copy to new mountpoint
        $MV_ROOT/bin/restore_default_settings.sh  -c save -t syssettings -h $MVHOSTNAME -d localhost
        SE=$TEMPLATES/settings/syssettings
        mkdir -p ${mountpoint}$SE
        cp -rp $SE/*  ${mountpoint}$SE/
        chown root:mythtv "$mountpoint"/etc/systemconfig
        chown -R mythtv:mythtv ${mountpoint}$SE

        chmod -R 775   ${mountpoint}$SE
        chmod 775 "$mountpoint"/etc/systemconfig
        #copy over any updates that might have occured
        cp -f $MV_ROOT/bin/*.sh "$mountpoint"$MV_ROOT/bin/
        chmod -R 755 ${mountpoint}/root
        cp /etc/mtab "$mountpoint"/etc/mtab
        apply_new_auth


    if  [ $SystemType = "Master_backend" -o $SystemType = "Standalone"  ]
    then
            #installing DB to local machine
                #turn off old live database, so the chroot one can start
            /etc/rc.d/mysqld stop
            mount --bind /dev "$mountpoint/dev"
            chroot "$mountpoint"   "$MV_ROOT/bin/install_db_chroot.sh"  >  /tmp/chrootdb.out
            chroot "$mountpoint" $MV_ROOT/bin/systemconfig.sh misc,hostype,network,advanced,this_is_install
            echo "stopping mysql in chroot"
            chroot "$mountpoint" /etc/rc.d/mysqld stop
            umount "$mountpoint/dev"

            #/etc/rc.d/mysqld start
    else
            #update remotedb with this host settings
            chroot "$mountpoint" DISPLAY=127.0.0.1:0  /usr/local/bin/MythVantage -t  restore,default_1
            chroot "$mountpoint" $MV_ROOT/bin/restore_default_settings.sh -c restore -t syssettings
            if [ !  $? = 0 ]
            then
                touch $mountpoint/tmp/.dbsysfailed
                chmod 777 $mountpoint/tmp/.dbsysfailed
            else
            #Run second time
            chroot "$mountpoint" $MV_ROOT/bin/systemconfig.sh misc,hostype,network,advanced,this_is_install
            chroot "$mountpoint" $MV_ROOT/bin/restore_default_settings.sh -c  ACCESSCONTROL
            fi
    fi
    chroot "$mountpoint" $MV_ROOT/bin/systemconfig.sh advanced
    touch $mountpoint/home/mythtv/.configure && chmod 777 $mountpoint/home/mythtv/.configure

    echo "Done" > /tmp/.install_state
    cp /tmp/mythvantage_install.log  $mountpoint/var/log/
    $run unmount_it $disk
}

function createsquashlist(){
if [ -f $1 ]
then
    rm -f
$1
fi
for i in bin boot etc home lib opt root sbin usr var data
do
echo $i >> $1
done


}




function upgrade () {
    touch /tmp/.this_is_upgrade

    if [ ! x$rootfs = "xDo_not_format" ]
    then
        echo "Formating $disk" > /tmp/.install_state
            progress 2
            sleep 1
            $run format_it $disk $rootfs NO
    fi
    echo "Preparing $disk" > /tmp/.install_state
        progress 3
        sleep 1
        $run mount_it $disk
        startsize=`statgrab -M disk.|grep $disk.write_bytes|cut -d= -f 2|tr -d " "`
        echo "STARTSIZE=$startsize">/tmp/.startsize.io
        echo "Installing data" > /tmp/.install_state
        sleep 1
        cp -rf /tmp/etc /new_boot/etc.old
        cp -rf  /tmp/oss /new_boot/var/lib/oss.old


        SQUASHLIST="/tmp/.squashlist"
        createsquashlist $SQUASHLIST
        $run copy_it $disk $SQUASHLIST
        #copy back ssh keys

#        cp -rp /data/var/cache/pacman/pkg/* /new_boot/data/var/cache/pacman/pkg/
        cp -fp /new_boot/etc.old/ssh/*.pub   /new_boot/etc/ssh/
        cp -fp /new_boot/etc.old/ssh/*.key   /new_boot/etc/ssh/
        cp -fp /new_boot/etc.old/ssh/*key   /new_boot/etc/ssh/

        if [ ! -f /tmp/etc/KnoppMyth-version ]
        then
            #passwd/shadow/group
            cp -fp /new_boot/etc.old/passwd /new_boot/etc/
            cp -fp /new_boot/etc.old/shadow /new_boot/etc/
            cp -fp /new_boot/etc.old/group   /new_boot/etc/
        fi

        if [  x$rootfs = "xDo_not_format" ]
        then
            rootfs=`grep \/\  /tmp/etc/fstab |awk ' { print $3 } '`
        fi
        $run fstab_fix_it $disk UPGRADE

	#this is here to copy in the systemconfig file as soon as possible.
        cp -f /etc/systemconfig "$mountpoint"/etc

        echo "Writing boot sector" > /tmp/.install_state
        progress 99
        sleep 1
        $run grub_it $disk


    echo "Configuring system" > /tmp/.install_state
        progress
        sleep 1
        cp /etc/mtab "$mountpoint"/etc/mtab
        cp -f /etc/systemconfig "$mountpoint"/etc
#make sure mythconverg.sql.gz is present
        if [ ! backup_sql_check ]
        then
            upgrade_mount_search
        fi

        if [  -f /tmp/etc/KnoppMyth-version ]
        then
            #run save syssettings to save settings, then copy to new mountpoint
            $MV_ROOT/bin/restore_default_settings.sh  -c save -t syssettings -h $MVHOSTNAME -d localhost
            SE=$TEMPLATES/settings/syssettings
            mkdir -p ${mountpoint}$SE
            cp -rp $SE/*  ${mountpoint}$SE/
            chown root:mythtv "$mountpoint"/etc/systemconfig
            chown -R mythtv:mythtv ${mountpoint}$SE
            chmod -R 775   ${mountpoint}$SE
            touch $mountpoint/home/mythtv/.kmupgrade && chmod 777 $mountpoint/home/mythtv/.kmupgrade
        fi

        cp -f $MV_ROOT/bin/*.sh "$mountpoint"$MV_ROOT/bin/
        chmod -R 755 ${mountpoint}/root
        chown root:mythtv "$mountpoint"/etc/systemconfig
        chmod 775 "$mountpoint"/etc/systemconfig
        #mount /proc and /dev
         mount --bind /dev "$mountpoint/dev"
         mount --bind /proc "$mountpoint/proc"

        chroot "$mountpoint" $MV_ROOT/bin/systemconfig.sh misc,hostype,network,advanced,this_is_install
        #wrap this in a network check_network, no need to update the db if the import worked.
        #####  do I need to start mysql?
        /etc/rc.d/mysqld stop
        if [ -f /myth/backup/mythconverg.sql.gz ]
        then
            echo "--------------------------------"
            echo "Restoring database"
            echo "--------------------------------"
            chroot "$mountpoint"   "$MV_ROOT/bin/restore_km_db_chroot.sh"  >  /tmp/chrootdb_km.out
        else
            echo "--------------------------------"
            echo "Couldn't find backup file, installing new database"
            echo "--------------------------------"
            touch /tmp/.upgrade_db_failed
            chroot "$mountpoint"   "$MV_ROOT/bin/install_db_chroot.sh"  >  /tmp/chrootdb.out
        fi


        if [  -f /tmp/etc/KnoppMyth-version ]
        then
            chroot "$mountpoint" $MV_ROOT/bin/restore_default_settings.sh -c restore -t hostsettings
	    #change permissions of /myth (only needed on km->linhes)
	    chown -R mythtv:mythtv $mountpoint/myth
            chown -R root:root $mountpoint/myth/backup
        else
            chroot "$mountpoint" $MV_ROOT/bin/restore_default_settings.sh -c restore -t syssettings
        fi
        #
        #Run second time
        chroot "$mountpoint" $MV_ROOT/bin/systemconfig.sh misc,hostype,network,advanced,this_is_install
        chroot "$mountpoint" $MV_ROOT/bin/systemconfig.sh advanced,this_is_install
        apply_new_auth



        umount "$mountpoint/dev"
        umount "$mountpoint/proc"

    echo "Done" > /tmp/.install_state
    cp /tmp/mythvantage_install.log  $mountpoint/var/log/

    $run unmount_it $disk
    /etc/rc.d/mysqld start
}

function netboot-full_install () {
    TEMPVAR=${CMDLINE#*nfsroot=}
    NFSROOT=${TEMPVAR%% *}
    NFSROOT=`echo $NFSROOT|cut -d: -f1`
    MAC=`/sbin/ifconfig eth0|grep HWaddr| cut -d: -f2-|awk '{ print $3}'|tr : -`
    URL="http://$NFSROOT:1337/diskless.py?HOSTNAME=$hostname&MAC=$MAC"
    echo "calling $URL"
    echo "Starting" > /tmp/.install_state
    curl $URL
    ${MV_ROOT}/bin/xconfig.sh
}

function killdhcp () {
if [ -f /etc/dhcpc/dhcpcd-eth0.pid ]
        then
            pid=`cat /etc/dhcpc/dhcpcd-eth0.pid`
            kill -9 $pid
            rm -f /etc/dhcpc/dhcpcd-eth0.pid
            rm -f /var/run/dhcpcd*
        fi
if [ -f /var/run/dhcpcd-eth0.pid ]
        then
            pid=`cat /var/run/dhcpcd-eth0.pid`
            kill -9 $pid
            rm -f /var/run/dhcpcd-eth0.pid*
        fi
ip address flush dev eth0
}



function SANE_SYSETTINGS () {
sed -e '/HOSTrootfstype/d' \
        -e '/HOSTrootfstype/d' \
        -e '/HOSTdatafstype/d' \
        -e '/HOSTOSsize/d'  \
        -e '/HostUseALLdata/d'  \
        -e '/HOSTDATAsize/d'    \
        -e '/HOSTuprootfstype/d'    \
        -e '/HostUseSWAP/d' \
        -e '/HOSTSWAPsize/d  ' /tmp/templates/settings/syssettings/settings.txt  >  /tmp/settings.new
    mv  /tmp/settings.new /tmp/templates/settings/syssettings/settings.txt
}

case $1 in
        full_install_it )         full_install       ;;

        NETBOOT)
echo "-----------------------------------------------------------------------3-----"
         netboot-full_install   ;;

        find_update)
            #TRY TO mount first partition of drive
            #copy /etc/systemconfig to live,  import settings into db
            #umount drive
            $run mount_it $disk
                if [ -f /new_boot/etc/systemconfig ]
                then
                ###########ADD templates
                    mkdir -p $TEMP_TEMPLATES
                    cp -pr /new_boot/$TEMPLATES  $TEMP_TEMPLATES
                    SANE_SYSETTINGS
                    cp -rp $TEMP_TEMPLATES/settings $TEMPLATES/
                    cp /new_boot/etc/systemconfig /etc/systemconfig
                    cp -rf  /new_boot/etc /tmp/etc
                    cp -rf /new_boot/var/lib/oss  /tmp/oss

                    $MV_ROOT/bin/restore_default_settings.sh -c restore -t syssettings -h $MVHOSTNAME  -d 127.0.0.1
                else
                    cp -rf  /new_boot/etc /tmp/etc
                    #now we search for the timezone and try to update
                    TZREGION=`cat /tmp/etc/timezone | cut -d"/" -f1`
                    TZSUB=`cat /tmp/etc/timezone | cut -d"/" -f2 -`


                    if [  $TZREGION = $TZSUB ]
                    then
                            $run update_db_it  HostTimeZoneRegion "$TZREGION"
                    else
                            $run update_db_it  HostTimeZoneRegion "$TZREGION"
                            $run update_db_it  HostTimeZoneRegion_$TZREGION "$TZSUB"
                    fi



                fi



            $run umount_it $disk
            ;;

        upgrade_it)
                #"$MV_ROOT/bin/install_proxy.sh upgrade_it " + install_drive + " " + rootfs +  "&"
                upgrade

            ;;
        disk_model_it)
                        model="unknown"
                            size="xxx"
                        case $2 in

                            h* )
                                    model=`cat /proc/ide/$2/model`
                                    ;;
                            s*)     model=`sginfo /dev/$2|grep Product|awk ' { print $2 } '`
                                    ;;
                        esac
                                size=`parted /dev/$2  print |grep Disk|awk  ' { print $3 } '  `


                                echo ""$model" $size " >/tmp/model

            ;;
        network_check_it)
                        #Should never return from check_network
                        case $2 in
                                setup_network)
                                         vnc_check
                                         install_network_setup
                                ;;

                                check_self)
                                            myipdefault=`ifconfig  | grep -C1 $default_interface| grep -v $default_interface | cut -d: -f2 | awk '{ print $1}'`
                                            ping -c 1 $myipdefault
                                                    if [ ! $? = 0 ]
                                                    then
                                                        exit 3
                                                        #can't ping yourself
                                                    fi
                                ;;
                                check_gw)
                                            #check gateway
                                            mygwdefault=`/sbin/route |grep $default_interface|grep UG|awk '{ print $2}'`
					                        if  [ !  x$mygwdefault = x ]
					                        then
	                                            ping -c 1 $mygwdefault
        	                                    if [ ! $? = 0 ]
                	                            then
                        	                        exit 4
                                	      	    fi
				                            fi
                                ;;
                                check_ns)
                                            #check nameserver
                                                    mydns=`cat /etc/resolv.conf|grep nameserver|head -1|awk '{ print $2}'`
                                                    ping -c 1 $mydns
                                                    if [ ! $? = 0 ]
                                                    then
                                                        exit 5
                                                    fi
                                ;;
                                check_names)
                                            host google.com
                                            if [ ! $? = 0 ]
                                            then
                                                exit 6
                                            fi
                                ;;
                                host_names)
                                            #if host is found, then check to see if it's online
                                            #if not online, assume it's ok to use this hostname

                                            hout=`host $hostname`
                                            status=$?
                                            #found host, now grab the ip
                                            if [ $status = 0 ]
                                            then
                                                hoip=`echo $hout|awk  '{print $4}'`
                                                ping -c 1 $hoip
                                                if [  $? = 0 ]
                                                then
                                                    status=0
                                                else
                                                    status=1
                                                fi
                                            fi

                                            if [  $status = 0 ]
                                            then
                                                exit 7
                                            fi


                                ;;

                            esac
                        exit 0
            ;;


        * )
	    if [ -f /tmp/.install_state ]
	    then
            	state=`cat /tmp/.install_state`
	    else
		state=" "
	    fi
            if  [  x"${state}" =  "xConfiguring system" ]
            then
                progress ""
            else

                if [ -f /tmp/.startsize.io ]
                then
                     . /tmp/.startsize.io
                    #finding the drive
                    ddrive=`df |  grep $mountpoint | head -n1 | awk -F/ ' { print $3 } ' | cut -d" " -f 1|cut -b1,2,3 `
                    used=`statgrab -M disk.|grep ${ddrive}.write_bytes|cut -d= -f 2|tr -d " "`
                    used=`echo $used-$STARTSIZE|bc`
                        #echo $used
                fi

        if [ ! x$used = x ]
            then
                .  /root/.install_size
                #somehow find if it's an install or update
                if [ -f /tmp/.this_is_upgrade ]
                then
                    total=$UPGRADESIZE
                else
                    total=$TOTALSIZE
                fi
            percent=`echo "scale=2 ;  ($used/$total) * 100 " |bc `
            cond2=$(echo "$percent > 100" |bc  )
            if [ $cond2 -eq 1  ]
            then
            percent=100
            fi
            cond3=$(echo "$percent < 3" |bc )
            if [ $cond3 -eq 0   ]
                then
                    progress $percent
                fi
            fi
        fi
        ;;
esac