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116 lines
2.5 KiB
Bash
116 lines
2.5 KiB
Bash
#!/bin/bash -e
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# build_pxe_boot.sh - Create a PXE boot environment
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#
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# build_pxe_boot.sh [-k kernel-version] destdir
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#
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# Assumes syslinux is installed
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# Assumes devstack files are in `pwd`/pxe
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# Only needs to run as root if the destdir permissions require it
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UBUNTU_MIRROR=http://archive.ubuntu.com/ubuntu/dists/natty/main/installer-amd64/current/images/netboot/ubuntu-installer/amd64
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MEMTEST_VER=4.10
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MEMTEST_BIN=memtest86+-${MEMTEST_VER}.bin
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MEMTEST_URL=http://www.memtest.org/download/${MEMTEST_VER}/
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KVER=`uname -r`
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if [ "$1" = "-k" ]; then
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KVER=$2
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shift;shift
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fi
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DEST_DIR=${1:-/tmp}/tftpboot
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OPWD=`pwd`
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PROGDIR=`dirname $0`
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mkdir -p $DEST_DIR/pxelinux.cfg
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cd $DEST_DIR
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for i in memdisk menu.c32 pxelinux.0; do
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cp -p /usr/lib/syslinux/$i $DEST_DIR
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done
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DEFAULT=$DEST_DIR/pxelinux.cfg/default
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cat >$DEFAULT <<EOF
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default menu.c32
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prompt 0
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timeout 0
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MENU TITLE PXE Boot Menu
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EOF
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# Setup devstack boot
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mkdir -p $DEST_DIR/ubuntu
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if [ ! -d $OPWD/pxe ]; then
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mkdir -p $OPWD/pxe
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fi
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if [ ! -r $OPWD/pxe/vmlinuz-${KVER} ]; then
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sudo chmod 644 /boot/vmlinuz-${KVER}
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if [ ! -r /boot/vmlinuz-${KVER} ]; then
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echo "No kernel found"
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else
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cp -p /boot/vmlinuz-${KVER} $OPWD/pxe
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fi
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fi
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cp -p $OPWD/pxe/vmlinuz-${KVER} $DEST_DIR/ubuntu
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if [ ! -r $OPWD/pxe/stack-initrd.gz ]; then
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cd $OPWD
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sudo $PROGDIR/build_pxe_ramdisk.sh $OPWD/pxe/stack-initrd.gz
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fi
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cp -p $OPWD/pxe/stack-initrd.gz $DEST_DIR/ubuntu
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cat >>$DEFAULT <<EOF
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LABEL devstack
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MENU LABEL ^devstack
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MENU DEFAULT
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KERNEL ubuntu/vmlinuz-$KVER
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APPEND initrd=ubuntu/stack-initrd.gz ramdisk_size=2109600 root=/dev/ram0
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EOF
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# Get Ubuntu
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if [ -d $OPWD/pxe ]; then
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cp -p $OPWD/pxe/natty-base-initrd.gz $DEST_DIR/ubuntu
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fi
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cat >>$DEFAULT <<EOF
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LABEL ubuntu
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MENU LABEL ^Ubuntu Natty
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KERNEL ubuntu/vmlinuz-$KVER
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APPEND initrd=ubuntu/natty-base-initrd.gz ramdisk_size=419600 root=/dev/ram0
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EOF
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# Get Memtest
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cd $DEST_DIR
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if [ ! -r $MEMTEST_BIN ]; then
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wget -N --quiet ${MEMTEST_URL}/${MEMTEST_BIN}.gz
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gunzip $MEMTEST_BIN
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fi
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cat >>$DEFAULT <<EOF
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LABEL memtest
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MENU LABEL ^Memtest86+
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KERNEL $MEMTEST_BIN
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EOF
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# Get FreeDOS
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mkdir -p $DEST_DIR/freedos
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cd $DEST_DIR/freedos
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wget -N --quiet http://www.fdos.org/bootdisks/autogen/FDSTD.288.gz
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gunzip -f FDSTD.288.gz
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cat >>$DEFAULT <<EOF
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LABEL freedos
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MENU LABEL ^FreeDOS bootdisk
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KERNEL memdisk
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APPEND initrd=freedos/FDSTD.288
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EOF
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# Local disk boot
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cat >>$DEFAULT <<EOF
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LABEL local
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MENU LABEL ^Local disk
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MENU DEFAULT
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LOCALBOOT 0
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EOF
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