aee18c749b
Check that function calls look like ^function foo {$ in bash8, and fix
all existing failures of that check. Add a note to HACKING.rst
Change-Id: Ic19eecb39e0b20273d1bcd551a42fe400d54e938
149 lines
3.2 KiB
Bash
Executable File
149 lines
3.2 KiB
Bash
Executable File
#!/bin/bash -e
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# **build_usb_boot.sh**
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# Create a syslinux boot environment
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#
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# build_usb_boot.sh destdev
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#
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# Assumes syslinux is installed
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# Needs to run as root
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DEST_DIR=${1:-/tmp/syslinux-boot}
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PXEDIR=${PXEDIR:-/opt/ramstack/pxe}
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# Clean up any resources that may be in use
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function cleanup {
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set +o errexit
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# Mop up temporary files
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if [ -n "$DEST_DEV" ]; then
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umount $DEST_DIR
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rmdir $DEST_DIR
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fi
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if [ -n "$MNTDIR" -a -d "$MNTDIR" ]; then
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umount $MNTDIR
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rmdir $MNTDIR
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fi
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# Kill ourselves to signal any calling process
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trap 2; kill -2 $$
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}
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trap cleanup SIGHUP SIGINT SIGTERM SIGQUIT EXIT
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# Keep track of the current directory
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TOOLS_DIR=$(cd $(dirname "$0") && pwd)
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TOP_DIR=`cd $TOOLS_DIR/..; pwd`
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if [ -b $DEST_DIR ]; then
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# We have a block device, install syslinux and mount it
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DEST_DEV=$DEST_DIR
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DEST_DIR=`mktemp -d --tmpdir mntXXXXXX`
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mount $DEST_DEV $DEST_DIR
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if [ ! -d $DEST_DIR/syslinux ]; then
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mkdir -p $DEST_DIR/syslinux
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fi
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# Install syslinux on the device
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syslinux --install --directory syslinux $DEST_DEV
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else
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# We have a directory (for sanity checking output)
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DEST_DEV=""
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if [ ! -d $DEST_DIR/syslinux ]; then
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mkdir -p $DEST_DIR/syslinux
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fi
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fi
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# Get some more stuff from syslinux
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for i in memdisk menu.c32; do
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cp -pu /usr/lib/syslinux/$i $DEST_DIR/syslinux
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done
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CFG=$DEST_DIR/syslinux/syslinux.cfg
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cat >$CFG <<EOF
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default /syslinux/menu.c32
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prompt 0
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timeout 0
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MENU TITLE devstack 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 $PXEDIR ]; then
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mkdir -p $PXEDIR
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fi
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# Get image into place
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if [ ! -r $PXEDIR/stack-initrd.img ]; then
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cd $TOP_DIR
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$TOOLS_DIR/build_uec_ramdisk.sh $PXEDIR/stack-initrd.img
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fi
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if [ ! -r $PXEDIR/stack-initrd.gz ]; then
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gzip -1 -c $PXEDIR/stack-initrd.img >$PXEDIR/stack-initrd.gz
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fi
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cp -pu $PXEDIR/stack-initrd.gz $DEST_DIR/ubuntu
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if [ ! -r $PXEDIR/vmlinuz-*-generic ]; then
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MNTDIR=`mktemp -d --tmpdir mntXXXXXXXX`
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mount -t ext4 -o loop $PXEDIR/stack-initrd.img $MNTDIR
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if [ ! -r $MNTDIR/boot/vmlinuz-*-generic ]; then
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echo "No kernel found"
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umount $MNTDIR
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rmdir $MNTDIR
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if [ -n "$DEST_DEV" ]; then
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umount $DEST_DIR
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rmdir $DEST_DIR
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fi
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exit 1
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else
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cp -pu $MNTDIR/boot/vmlinuz-*-generic $PXEDIR
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fi
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umount $MNTDIR
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rmdir $MNTDIR
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fi
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# Get generic kernel version
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KNAME=`basename $PXEDIR/vmlinuz-*-generic`
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KVER=${KNAME#vmlinuz-}
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cp -pu $PXEDIR/vmlinuz-$KVER $DEST_DIR/ubuntu
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cat >>$CFG <<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 $PXEDIR -a -r $PXEDIR/natty-base-initrd.gz ]; then
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cp -pu $PXEDIR/natty-base-initrd.gz $DEST_DIR/ubuntu
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cat >>$CFG <<EOF
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LABEL ubuntu
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MENU LABEL ^Ubuntu Natty
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KERNEL /ubuntu/vmlinuz-$KVER
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APPEND initrd=/ubuntu/natty-base-initrd.gz ramdisk_size=419600 root=/dev/ram0
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EOF
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fi
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# Local disk boot
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cat >>$CFG <<EOF
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LABEL local
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MENU LABEL ^Local disk
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LOCALBOOT 0
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EOF
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if [ -n "$DEST_DEV" ]; then
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umount $DEST_DIR
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rmdir $DEST_DIR
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fi
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trap - SIGHUP SIGINT SIGTERM SIGQUIT EXIT
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