Files
linuxkit/tools/mkimage-vmdk/make-vmdk
Justin Cormack 6155e8c8bc Change to use kernel not bzImage everywhere
Previously we hardcoded `bzImage` which is not used for all
use cases or architectures.

fix #1630

Signed-off-by: Justin Cormack <justin.cormack@docker.com>
2017-04-28 16:24:15 +01:00

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#!/bin/sh
set -e
mkdir -p /tmp/image
cd /tmp/image
# input is a tarball of kernel and initrd.img on stdin
# output is a vmdk on stdout
mkdir -p files
cd files
# extract. As guestfs base is currently Debian, no compression support
# only if stdin is a tty, if so need files volume mounted...
[ -t 0 ] || tar xf -
INITRD="$(find . -name '*.img')"
KERNEL="$(find . -name kernel -or -name '*bzImage')"
CMDLINE="$*"
[ "$KERNEL" = "./kernel" ] || mv "$KERNEL" vmlinuz64
[ "$INITRD" = "./initrd.img" ] || mv "$INITRD" initrd.img
# clean up subdirectories
find . -mindepth 1 -maxdepth 1 -type d | xargs rm -rf
CFG="DEFAULT linux
LABEL linux
KERNEL /kernel
INITRD /initrd.img
APPEND ${CMDLINE}
"
printf "$CFG" > syslinux.cfg
cd ..
tar cf files.tar -C files .
# Disk is created in qcow format, testing needed to see if raw->vmdk conversion makes any efficency gains
virt-make-fs --size=1G --type=ext4 --partition files.tar --format=qcow2 disk.qcow
guestfish -a disk.qcow -m /dev/sda1 <<EOF
upload /usr/lib/SYSLINUX/mbr.bin /mbr.bin
copy-file-to-device /mbr.bin /dev/sda size:440
rm /mbr.bin
extlinux /
part-set-bootable /dev/sda 1 true
EOF
# compress qcow image to VMware Disk format
qemu-img convert -f qcow2 -O vmdk -o adapter_type=lsilogic,subformat=streamOptimized,compat6 -c disk.qcow disk.vmdk 1>&2
cat disk.vmdk