#!/bin/bash


# Lock the script

lockfile /tmp/vservercreator.lock


# Read parameters passed to script

read TEMP

echo $TEMP > /tmp/vservercreator-$$.tmp

. /tmp/vservercreator-$$.tmp

rm /tmp/vservercreator-$$.tmp


# Does the tar file exist?

if [ ! -e $VTAR ]
then

        echo "Fatal Error! $VTAR does not exist!"

else

        # Is the vserver name invalid?

        if [[ ! "$VNAME" =~ '^[a-zA-Z0-9-]{3,20}$' ]]
        then

                echo "Fatal Error! '$VNAME' is an invalid vserver name!, The name must be between 3-20 characters long and contain only letters, numebrs and hyphens."

        else

                # extract 

                echo "vservercreator.sh -> Extracting $VTAR..."

                mkdir /tmp/vserver-template-$$
                cd /tmp/vserver-template-$$
                tar -xf $VTAR

                # remove config symlinks

                echo "vservercreator.sh -> Removing old config symlinks..."

                rm /tmp/vserver-template-$$/etc/vservers/template-vserver/run /tmp/vserver-template-$$/etc/vservers/template-vserver/cache /tmp/vserver-template-$$/etc/vservers/template-vserver/vdir

                # move to new location

                echo "vservercreator.sh -> Moving files to their new location..."

                mv /tmp/vserver-template-$$/etc/vservers/template-vserver /etc/vservers/$VNAME
                mv /tmp/vserver-template-$$/var/lib/vservers/template-vserver /var/lib/vservers/$VNAME

                # create config symlinks

                echo "vservercreator.sh -> Creating the new config symlinks..."

                ln -s /etc/vservers/.defaults/cachebase/$VNAME /etc/vservers/$VNAME/cache
                ln -s /var/run/vservers/$VNAME /etc/vservers/$VNAME/run
                ln -s /var/lib/vservers/$VNAME /etc/vservers/$VNAME/vdir

                # configure vserver

                echo "vservercreator.sh -> Configuring the new vserver..."

                echo $VNAME > /etc/vservers/$VNAME/name
                echo $VNAME > /etc/vservers/$VNAME/vdir/etc/hostname
                echo $VNAME.$VDOMAIN > /etc/vservers/$VNAME/uts/nodename
                echo $VIP > /etc/vservers/$VNAME/interfaces/0/ip
                echo $VDEV > /etc/vservers/$VNAME/interfaces/0/dev

                # remove unwanted files

                echo "vservercreator.sh -> Removing unwanted files..."

                rm -rf /tmp/vserver-template-$$
                rm -f $VTAR
                cd /

                if [ "$VSTART" == 1 ]
                then

                        # start new vserver

                        echo "vservercreator.sh -> Starting the vserver..."

                        vserver $VNAME start 1>/dev/null 2>&1

                fi

                echo "vservercreator.sh -> Success, vserver '$VNAME' created successfully."

        fi

fi


# unlock script

rm -f /tmp/vservercreator.lock