mirror of
https://github.com/LibreELEC/LibreELEC.tv.git
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syslinux: add script to create virtual image
This commit is contained in:
Lukas Rusak
parent
11e072066c
commit
87d33e2c89
332
packages/tools/syslinux/unsupported/create_virtualimage
Executable file
332
packages/tools/syslinux/unsupported/create_virtualimage
Executable file
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#!/bin/sh
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################################################################################
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# This file is part of OpenELEC - http://www.openelec.tv
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# Copyright (C) 2009-2014 Stephan Raue (stephan@openelec.tv)
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#
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# OpenELEC is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# OpenELEC is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with OpenELEC. If not, see <http://www.gnu.org/licenses/>.
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################################################################################
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# usage: sudo ./create_virtualmachine <path> <size(MB)> [<type>] [system partition size(MB)]
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# example: sudo ./create_virtualmachine /home/test/VM 512 [vdi] [128]
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if [ "$(id -u)" != "0" ]; then
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echo "##############################################################"
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echo "# please execute with 'sudo' or -DANGEROUS!!!- as root #"
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echo "# example: #"
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echo "# sudo ./create_virtualmachine <path> <size(MB)> [<type>] #"
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echo "##############################################################"
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exit 1
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fi
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if [ -z "$1" -o -z "$2" ]; then
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echo "##############################################################"
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echo "# please execute as follows #"
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echo "# example: #"
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echo "# sudo ./create_virtualmachine <path> <size(MB)> [<type>] #"
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echo "##############################################################"
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exit 1
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fi
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if [ ! -d "$1" ]; then
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echo "##############################################################"
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echo "# please create target directory #"
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echo "# example: #"
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echo "# mkdir <path> #"
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echo "##############################################################"
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exit 1
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fi
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if [ "$2" -lt "200" -o "$2" -gt "2048" ]; then
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echo "##############################################################"
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echo "# use a value between 200MB and 2048MB (2GB) #"
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echo "# example: #"
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echo "# sudo ./create_virtualmachine /home/test/VM 512 #"
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echo "##############################################################"
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exit 1
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fi
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if [ ! -z "$3" -a "$3" != "vdi" -a "$3" != "vmdk" ]; then
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echo "##############################################################"
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echo "# only vdi or vmdk types are supported #"
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echo "# example: #"
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echo "# sudo ./create_virtualmachine /home/test/VM 512 [vdi] #"
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echo "##############################################################"
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exit 1
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elif [ "$3" = "vdi" ]; then
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TYPE="vdi"
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elif [ -z "$3" -o "$3" = "vmdk" ]; then
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TYPE="vmdk"
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fi
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if [ -z "$4" ]; then
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SYSTEM_SIZE=192
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else
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if [ "$4" -lt "128" -o "$4" -gt "1024" -o "$4" -gt "$2" ]; then
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echo "##############################################################"
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echo "# use a value between 128MB and 1024MB #"
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echo "# example: #"
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echo "# sudo ./create_virtualmachine /home/test/VM 512 [vdi] [256] #"
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echo "##############################################################"
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exit 1
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else
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SYSTEM_SIZE=$4
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fi
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fi
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DISK="$1/OpenELEC.img"
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IMAGE="$1/OpenELEC.$TYPE"
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LOOP=$(losetup -f)
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DISK_SIZE=$2
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STORAGE_SIZE=$(( $DISK_SIZE - $SYSTEM_SIZE ))
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echo ""
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echo " folder: $1"
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echo " loop: $LOOP"
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echo " disk: $DISK"
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echo " image: $IMAGE"
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echo " type: $TYPE"
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echo " disk size: $DISK_SIZE MB"
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echo " system size: $SYSTEM_SIZE MB"
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echo "storage size: $STORAGE_SIZE MB"
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# check for some required tools
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# this is needed to create a bootloader
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which syslinux > /dev/null
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if [ "$?" = "1" ]; then
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echo "#########################################################"
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echo "# #"
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echo "# OpenELEC.tv missing tool - Installation will quit #"
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echo "# #"
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echo "# We can't find the required tool \"syslinux\" #"
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echo "# on your system. #"
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echo "# Please install it via your package manager. #"
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echo "# #"
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echo "#########################################################"
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exit 1
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fi
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# this is needed to create a bootloader
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which extlinux > /dev/null
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if [ "$?" = "1" ]; then
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echo "#########################################################"
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echo "# #"
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echo "# OpenELEC.tv missing tool - Installation will quit #"
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echo "# #"
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echo "# We can't find the required tool \"extlinux\" #"
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echo "# on your system. #"
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echo "# Please install it via your package manager. #"
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echo "# #"
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echo "#########################################################"
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exit 1
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fi
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# this is needed by syslinux
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which mcopy > /dev/null
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if [ "$?" = "1" ]; then
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echo "#########################################################"
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echo "# #"
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echo "# OpenELEC.tv missing tool - Installation will quit #"
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echo "# #"
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echo "# We can't find the required tool \"mcopy\" #"
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echo "# on your system. #"
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echo "# Please install it via your package manager. #"
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echo "# NOTE: Some distributions call this package #"
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echo "# \"mtools\". #"
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echo "# #"
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echo "#########################################################"
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exit 1
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fi
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# this is needed to partion the drive
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which parted > /dev/null
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if [ "$?" = "1" ]; then
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echo "#########################################################"
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echo "# #"
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echo "# OpenELEC.tv missing tool - Installation will quit #"
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echo "# #"
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echo "# We can't find the required tool \"parted\" #"
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echo "# on your system. #"
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echo "# Please install it via your package manager. #"
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echo "# #"
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echo "#########################################################"
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exit 1
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fi
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# this is needed fo convert harddisk image to vmdk or vdi format
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which qemu-img > /dev/null
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if [ "$?" = "1" ]; then
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echo "#########################################################"
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echo "# #"
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echo "# OpenELEC.tv missing tool - Installation will quit #"
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echo "# #"
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echo "# We can't find the required tool \"qemu-img\" #"
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echo "# on your system. #"
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echo "# Please install it via your package manager. #"
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echo "# #"
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echo "#########################################################"
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exit 1
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fi
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# ensure loopX not in use
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echo ""
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echo "next two errors can be ignored..."
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sync
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umount "$LOOP"
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losetup -d "$LOOP"
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# create an image
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echo ""
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echo "creating new empty harddisk image: $DISK..."
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dd if=/dev/zero of="$DISK" bs=1M count="$DISK_SIZE"
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# write a disklabel
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echo ""
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echo "creating new partition table: $DISK..."
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sync
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losetup "$LOOP" "$DISK"
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parted -s "$LOOP" mklabel msdos
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# create partition1
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echo ""
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echo "creating partition1 on $DISK..."
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SYSTEM_PART_END=$(( $SYSTEM_SIZE * 1024 * 1024 / 512 + 64 ))
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parted -s "$LOOP" -a min unit s mkpart primary ext4 64 $SYSTEM_PART_END
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# create partition2
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echo ""
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echo "creating partition2 on $DISK..."
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STORAGE_PART_START=$(( $SYSTEM_PART_END + 1 ))
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parted -s "$LOOP" -a min unit s mkpart primary ext4 $STORAGE_PART_START 100%
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# make partition1 active (bootable)
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echo ""
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echo "marking partition1 active..."
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parted -s "$LOOP" set 1 boot on
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# write mbr
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echo ""
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echo "writing mbr..."
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if [ -f /usr/lib/syslinux/mbr.bin ]; then
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MBR="/usr/lib/syslinux/mbr.bin" # example: debian, ubuntu
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elif [ -f /usr/share/syslinux/mbr.bin ]; then
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MBR="/usr/share/syslinux/mbr.bin" # example: fedora
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elif [ -f /usr/lib/syslinux/bios/mbr.bin ]; then
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MBR="/usr/lib/syslinux/bios/mbr.bin"
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else
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echo "Can't find syslinux's mbr.bin on Host OS"
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exit 1
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fi
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if [ -n "$MBR" ]; then
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cat "$MBR" > "$LOOP"
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fi
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# sync disk
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echo ""
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echo "syncing disk..."
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sync
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# create filesystem on partition1
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echo ""
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sync
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losetup -d "$LOOP"
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echo "creating filesystem on partition1..."
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OFFSET=$(( 64 * 512 ))
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SIZELIMIT=$(( $SYSTEM_SIZE * 1024 * 1024 ))
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losetup -o $OFFSET --sizelimit $SIZELIMIT "$LOOP" "$DISK"
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mke2fs -q -t ext4 -m 0 "$LOOP"
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tune2fs -U random -L "System" "$LOOP"
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sync
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e2fsck -n "$LOOP"
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# mount partition
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echo ""
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echo "mounting partition1 on /tmp/vmware_install..."
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mkdir -p /tmp/vmware_install
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mount "$LOOP" /tmp/vmware_install
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# create bootloader configuration
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echo ""
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echo "creating bootloader configuration..."
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cat >/tmp/vmware_install/syslinux.cfg << EOF
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DEFAULT linux
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PROMPT 0
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LABEL linux
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KERNEL /KERNEL
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APPEND boot=LABEL=System disk=LABEL=Storage quiet ssh
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EOF
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# install extlinux
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echo ""
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echo "installing extlinux to partition1..."
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extlinux --heads=4 --sector=32 -i /tmp/vmware_install
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# copy files
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echo ""
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echo "copying files to partition1..."
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cp target/KERNEL /tmp/vmware_install
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cp target/SYSTEM /tmp/vmware_install
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# sync disk
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echo ""
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echo "syncing disk..."
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sync
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# unmount partition1
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echo ""
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echo "unmounting partition1..."
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umount "$LOOP"
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sync
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# create filesystem on partition2
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echo ""
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sync
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losetup -d "$LOOP"
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echo "creating filesystem on partition2..."
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OFFSET=$(( $STORAGE_PART_START * 512 ))
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losetup -o $OFFSET "$LOOP" "$DISK"
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mke2fs -q -t ext4 -m 0 "$LOOP"
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tune2fs -U random -L "Storage" "$LOOP"
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sync
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e2fsck -n "$LOOP"
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# detach loopX
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sync
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losetup -d "$LOOP"
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# cleaning
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echo ""
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echo "cleaning tempdir..."
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[ -f /tmp/vmware_install/ldlinux.sys ] && chattr -i /tmp/vmware_install/ldlinux.sys
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rm -rf /tmp/vmware_install
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# convert image to vmdk or vdi
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echo ""
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echo "converting $DISK to $TYPE format..."
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qemu-img convert -O $TYPE "$DISK" "$IMAGE"
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rm -f "$DISK"
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# sync disk
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echo ""
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echo "syncing disk..."
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sync
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echo ""
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echo "installation finished..."
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echo ""
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