366 lines
11 KiB
Text
366 lines
11 KiB
Text
|
#!/bin/bash
|
||
|
#
|
||
|
# Copyright (c) 2011 Citrix Systems, Inc.
|
||
|
# Copyright 2011 OpenStack LLC.
|
||
|
# All Rights Reserved.
|
||
|
#
|
||
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||
|
# not use this file except in compliance with the License. You may obtain
|
||
|
# a copy of the License at
|
||
|
#
|
||
|
# http://www.apache.org/licenses/LICENSE-2.0
|
||
|
#
|
||
|
# Unless required by applicable law or agreed to in writing, software
|
||
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||
|
# License for the specific language governing permissions and limitations
|
||
|
# under the License.
|
||
|
#
|
||
|
|
||
|
set -eu
|
||
|
|
||
|
set -o xtrace
|
||
|
|
||
|
VBOX_IMG=/output/packages/vbox-img
|
||
|
|
||
|
usage() {
|
||
|
cat >&2 <<EOF
|
||
|
$0 -o <output filenames> -t <types> -x <xml files> <fs-staging-dir> <fs-size-MiB> <tmpdir>
|
||
|
-o: Colon-separated list of output filenames (one for each type).
|
||
|
-p: Create a disk label and partition within the output image
|
||
|
-t: Colon-separated list of types of output file. xva and ovf supported.
|
||
|
-x: XML filenames (one for each type)
|
||
|
|
||
|
EOF
|
||
|
exit 1
|
||
|
}
|
||
|
|
||
|
# parse cmdline
|
||
|
|
||
|
OPT_USE_PARTITION=
|
||
|
OPT_TYPES=
|
||
|
OPT_OUTPUT_FILES=
|
||
|
OPT_XML_FILES=
|
||
|
|
||
|
while getopts o:pt:x: o
|
||
|
do case "$o" in
|
||
|
o) OPT_OUTPUT_FILES=$(echo "$OPTARG" | sed -e 's/\s*:\s*/ /g')
|
||
|
;;
|
||
|
p) OPT_USE_PARTITION=1
|
||
|
;;
|
||
|
t) OPT_TYPES=$(echo "$OPTARG" | sed -e 's/\s*:\s*/ /g')
|
||
|
;;
|
||
|
x) OPT_XML_FILES=$(echo "$OPTARG" | sed -e 's/\s*:\s*/ /g')
|
||
|
;;
|
||
|
[?]) usage
|
||
|
;;
|
||
|
esac
|
||
|
done
|
||
|
shift $((OPTIND-1))
|
||
|
|
||
|
[ $# -ne 3 ] && usage
|
||
|
FS_STAGING="$1"
|
||
|
FS_SIZE_MIB="$2"
|
||
|
TMPDIR="$3"
|
||
|
|
||
|
if [ "$UID" = "0" ]
|
||
|
then
|
||
|
SUDO=
|
||
|
else
|
||
|
SUDO=sudo
|
||
|
fi
|
||
|
|
||
|
if [ "$FS_SIZE_MIB" = "0" ]
|
||
|
then
|
||
|
# Just create a dummy file. This allows developers to bypass bits of
|
||
|
# the build by setting the size to 0.
|
||
|
touch $OPT_OUTPUT_FILES
|
||
|
exit 0
|
||
|
fi
|
||
|
|
||
|
# create temporary files and dirs
|
||
|
FS_TMPFILE=$(mktemp "$TMPDIR/mkxva-fsimg-XXXXX")
|
||
|
XVA_TARBALL_STAGING=$(mktemp -d "$TMPDIR/mkxva-tarball-staging-XXXXX")
|
||
|
OVF_STAGING=$(mktemp -d "$TMPDIR/mkxva-ovf-staging-XXXXX")
|
||
|
|
||
|
# Find udevsettle and udevtrigger on this installation
|
||
|
if [ -x "/sbin/udevsettle" ] ; then
|
||
|
UDEVSETTLE="/sbin/udevsettle --timeout=30"
|
||
|
elif [ -x "/sbin/udevadm" ] ; then
|
||
|
UDEVSETTLE='/sbin/udevadm settle'
|
||
|
else
|
||
|
UDEVSETTLE='/bin/true'
|
||
|
fi
|
||
|
|
||
|
if [ -x "/sbin/udevtrigger" ] ; then
|
||
|
UDEVTRIGGER=/sbin/udevtrigger
|
||
|
elif [ -x "/sbin/udevadm" ] ; then
|
||
|
UDEVTRIGGER='/sbin/udevadm trigger'
|
||
|
else
|
||
|
UDEVTRIGGER=
|
||
|
fi
|
||
|
|
||
|
# CLEAN_ variables track devices and mounts that must be taken down
|
||
|
# no matter how the script exits. Loop devices are vulnerable to
|
||
|
# exhaustion so we make every effort to remove them
|
||
|
|
||
|
CLEAN_KPARTX=
|
||
|
CLEAN_LOSETUP=
|
||
|
CLEAN_MOUNTPOINT=
|
||
|
|
||
|
cleanup_devices () {
|
||
|
if [ -n "$CLEAN_MOUNTPOINT" ] ; then
|
||
|
echo "Mountpoint $CLEAN_MOUNTPOINT removed on abnormal exit"
|
||
|
$SUDO umount "$CLEAN_MOUNTPOINT" || echo "umount failed"
|
||
|
rmdir "$CLEAN_MOUNTPOINT" || echo "rmdir failed"
|
||
|
fi
|
||
|
if [ -n "$CLEAN_KPARTX" ] ; then
|
||
|
echo "kpartx devices for $CLEAN_KPARTX removed on abnormal exit"
|
||
|
$SUDO kpartx -d "$CLEAN_KPARTX" || echo "kpartx -d failed"
|
||
|
fi
|
||
|
if [ -n "$CLEAN_LOSETUP" ] ; then
|
||
|
echo "Loop device $CLEAN_LOSETUP removed on abnormal exit"
|
||
|
$SUDO losetup -d "$CLEAN_LOSETUP" # Allow losetup errors to propagate
|
||
|
fi
|
||
|
}
|
||
|
|
||
|
trap "cleanup_devices" EXIT
|
||
|
|
||
|
make_fs_inner () {
|
||
|
local staging="$1"
|
||
|
local output="$2"
|
||
|
local options="$3"
|
||
|
CLEAN_MOUNTPOINT=$(mktemp -d "$TMPDIR/mkfs-XXXXXX")
|
||
|
|
||
|
# copy staging dir contents to fs image
|
||
|
$SUDO mount $options "$output" "$CLEAN_MOUNTPOINT"
|
||
|
$SUDO tar -C "$staging" -c . | tar -C "$CLEAN_MOUNTPOINT" -x
|
||
|
$SUDO umount "$CLEAN_MOUNTPOINT"
|
||
|
rmdir "$CLEAN_MOUNTPOINT"
|
||
|
CLEAN_MOUNTPOINT=
|
||
|
}
|
||
|
|
||
|
# Turn a staging dir into an ext3 filesystem within a partition
|
||
|
make_fs_in_partition () {
|
||
|
local staging="$1"
|
||
|
local output="$2"
|
||
|
|
||
|
# create new empty disk
|
||
|
dd if=/dev/zero of="$output" bs=1M count=$FS_SIZE_MIB
|
||
|
# Set up a loop device on the empty disk image
|
||
|
local loopdevice=$($SUDO losetup -f)
|
||
|
$SUDO losetup "$loopdevice" "$output"
|
||
|
CLEAN_LOSETUP="$loopdevice"
|
||
|
# Create a partition table and single partition.
|
||
|
# Start partition at sector 63 to allow space for grub
|
||
|
cat <<EOF
|
||
|
Errors from sfdisk below are expected because the new disk is uninitialised
|
||
|
Expecting: sfdisk: ERROR: sector 0 does not have an msdos signature
|
||
|
Expecting: /dev/loop0: unrecognized partition table type
|
||
|
EOF
|
||
|
$SUDO sfdisk -uS "$CLEAN_LOSETUP" <<EOF
|
||
|
63 - - *
|
||
|
EOF
|
||
|
|
||
|
# kpartx creates a device for the new partition
|
||
|
# in the form /dev/mapper/loop1p1
|
||
|
$SUDO kpartx -av "$CLEAN_LOSETUP"
|
||
|
CLEAN_KPARTX="$CLEAN_LOSETUP"
|
||
|
# Wait for the device to appear
|
||
|
$UDEVTRIGGER
|
||
|
$UDEVSETTLE || echo "udev settle command return code non-zero"
|
||
|
# Infer the name of the partition device
|
||
|
local partition="${CLEAN_LOSETUP/dev/dev/mapper}p1"
|
||
|
# Set permissive privileges on the device
|
||
|
$SUDO chmod 0777 "$partition"
|
||
|
# Make an ext3 filesystem on the partition
|
||
|
/sbin/mkfs.ext3 -I 128 -m0 -F "$partition"
|
||
|
/sbin/e2label "$partition" vpxroot
|
||
|
make_fs_inner "$staging" "$partition" ""
|
||
|
|
||
|
# Now run grub on the image we've created
|
||
|
CLEAN_MOUNTPOINT=$(mktemp -d "$TMPDIR/mkfs-XXXXXX")
|
||
|
|
||
|
# copy Set up[ grub files prior to installing grub within the image
|
||
|
$SUDO mount "$partition" "$CLEAN_MOUNTPOINT"
|
||
|
$SUDO cp $CLEAN_MOUNTPOINT/usr/share/grub/i386-redhat/* "$CLEAN_MOUNTPOINT/boot/grub"
|
||
|
kernel_version=$($SUDO chroot "$CLEAN_MOUNTPOINT" rpm -qv kernel | sed -e 's/kernel-//')
|
||
|
kernel_version_xen=$($SUDO chroot "$CLEAN_MOUNTPOINT" rpm -qv kernel-xen | sed -e 's/kernel-xen-//')
|
||
|
$SUDO cat > "$CLEAN_MOUNTPOINT/boot/grub/grub.conf" <<EOF
|
||
|
default 0
|
||
|
timeout 2
|
||
|
|
||
|
title vmlinuz-$kernel_version (HVM)
|
||
|
root (hd0,0)
|
||
|
kernel /boot/vmlinuz-$kernel_version ro root=LABEL=vpxroot
|
||
|
initrd /boot/initrd-$kernel_version.img
|
||
|
|
||
|
title vmlinuz-${kernel_version_xen}xen (PV)
|
||
|
root (hd0,0)
|
||
|
kernel /boot/vmlinuz-${kernel_version_xen}xen ro root=LABEL=vpxroot console=xvc0
|
||
|
initrd /boot/initrd-${kernel_version_xen}xen.img
|
||
|
EOF
|
||
|
|
||
|
$SUDO umount "$CLEAN_MOUNTPOINT"
|
||
|
CLEAN_MOUNTPOINT=
|
||
|
|
||
|
# Grub expects a disk with name /dev/xxxx with a first partition
|
||
|
# named /dev/xxxx1, so we give it what it wants using symlinks
|
||
|
# Note: /dev is linked to the real /dev of the build machine, so
|
||
|
# must be cleaned up
|
||
|
local disk_name="/dev/osxva$$bld"
|
||
|
local disk_part1_name="${disk_name}1"
|
||
|
rm -f "$disk_name"
|
||
|
rm -f "$disk_part1_name"
|
||
|
ln -s "$CLEAN_LOSETUP" "$disk_name"
|
||
|
ln -s "$partition" "$disk_part1_name"
|
||
|
|
||
|
# Feed commands into the grub shell to setup the disk
|
||
|
grub --no-curses --device-map=/dev/null <<EOF
|
||
|
device (hd0) $disk_name
|
||
|
setup (hd0) (hd0,0)
|
||
|
quit
|
||
|
EOF
|
||
|
|
||
|
# Cleanup
|
||
|
rm -f "$disk_name"
|
||
|
rm -f "$disk_part1_name"
|
||
|
$SUDO kpartx -dv "$CLEAN_KPARTX"
|
||
|
CLEAN_KPARTX=
|
||
|
$SUDO losetup -d "$CLEAN_LOSETUP"
|
||
|
CLEAN_LOSETUP=
|
||
|
}
|
||
|
|
||
|
# turn a staging dir into an ext3 filesystem image
|
||
|
make_fs () {
|
||
|
local staging="$1"
|
||
|
local output="$2"
|
||
|
|
||
|
# create new empty fs
|
||
|
dd if=/dev/zero of="$output" bs=1M count=0 seek=$FS_SIZE_MIB
|
||
|
/sbin/mkfs.ext3 -m0 -F "$output"
|
||
|
/sbin/e2label "$output" vpxroot
|
||
|
make_fs_inner "$staging" "$output" "-oloop"
|
||
|
}
|
||
|
|
||
|
|
||
|
# split a virtual disk image into the format expected inside an xva file
|
||
|
splitvdi () {
|
||
|
local diskimg="$1"
|
||
|
local outputdir="$2"
|
||
|
local rio="$3"
|
||
|
|
||
|
local n_bytes=$(stat --printf=%s "$diskimg")
|
||
|
local n_meg=$((($n_bytes+$((1024*1024 -1)))/$((1024*1024))))
|
||
|
local i=0
|
||
|
while [ $i -lt $n_meg ] ; do
|
||
|
if [ $rio -eq 0 ] ; then
|
||
|
local file="$outputdir"/chunk-$(printf "%08d" $i)
|
||
|
dd if="$diskimg" of="$file" skip=$i bs=1M count=1 2>/dev/null
|
||
|
gzip "$file"
|
||
|
else
|
||
|
local file="$outputdir"/$(printf "%08d" $i)
|
||
|
dd if="$diskimg" of="$file" skip=$i bs=1M count=1 2>/dev/null
|
||
|
local chksum=$(sha1sum -b "$file")
|
||
|
echo -n "${chksum/ */}" > "$file.checksum"
|
||
|
fi
|
||
|
i=$(($i + 1))
|
||
|
done
|
||
|
}
|
||
|
|
||
|
if [ -n "$OPT_USE_PARTITION" ] ; then
|
||
|
make_fs_in_partition "$FS_STAGING" "$FS_TMPFILE"
|
||
|
else
|
||
|
make_fs "$FS_STAGING" "$FS_TMPFILE"
|
||
|
fi
|
||
|
|
||
|
VDI_SIZE=$(stat --format=%s "$FS_TMPFILE")
|
||
|
|
||
|
make_xva () {
|
||
|
local output_file="$1"
|
||
|
local xml_file="$2"
|
||
|
local subdir
|
||
|
local rio
|
||
|
|
||
|
if [[ `cat $xml_file` =~ "<member>\s*<name>class</name>\s*<value>VDI</value>\s*</member>\s*<member>\s*<name>id</name>\s*<value>(Ref:[0-9]+)</value>" ]]
|
||
|
then
|
||
|
# it's a rio style xva
|
||
|
subdir="${BASH_REMATCH[1]}";
|
||
|
rio=1
|
||
|
else
|
||
|
# it's a geneva style xva
|
||
|
subdir="xvda"
|
||
|
rio=0
|
||
|
fi
|
||
|
|
||
|
cp "$xml_file" "$XVA_TARBALL_STAGING"/ova.xml
|
||
|
sed -i -e "s/@VDI_SIZE@/$VDI_SIZE/" "$XVA_TARBALL_STAGING"/ova.xml
|
||
|
mkdir "$XVA_TARBALL_STAGING/$subdir"
|
||
|
splitvdi "$FS_TMPFILE" "$XVA_TARBALL_STAGING/$subdir" "$rio"
|
||
|
TARFILE_MEMBERS=$(cd "$XVA_TARBALL_STAGING" && echo ova.xml $subdir/*)
|
||
|
tar -C "$XVA_TARBALL_STAGING" --format=v7 -c $TARFILE_MEMBERS -f "$output_file.tmp"
|
||
|
mv "$output_file.tmp" "$output_file"
|
||
|
}
|
||
|
|
||
|
make_ovf () {
|
||
|
local output_dir="$1"
|
||
|
local xml_file="$2"
|
||
|
local output_base=$(basename "$output_dir")
|
||
|
local disk="$output_dir/${output_base}.vmdk"
|
||
|
local manifest="$output_dir/${output_base}.mf"
|
||
|
local ovf="$output_dir/${output_base}.ovf"
|
||
|
|
||
|
mkdir -p "$output_dir"
|
||
|
rm -f "$disk"
|
||
|
$VBOX_IMG convert --srcfilename="$FS_TMPFILE" --dstfilename="$disk" \
|
||
|
--srcformat RAW --dstformat VMDK --variant Stream
|
||
|
chmod 0644 "$disk"
|
||
|
|
||
|
local n_bytes=$(stat --printf=%s "$disk")
|
||
|
cp "$xml_file" "$ovf"
|
||
|
sed -i -e "s/@MKXVA_DISK_FULLSIZE@/$VDI_SIZE/" "$ovf"
|
||
|
sed -i -e "s/@MKXVA_DISK_SIZE@/$n_bytes/" "$ovf"
|
||
|
sed -i -e "s/@MKXVA_DISK_MIB_SIZE@/$FS_SIZE_MIB/" "$ovf"
|
||
|
sed -i -e "s/@MKXVA_DISK_FILENAME@/${output_base}.vmdk/" "$ovf"
|
||
|
|
||
|
for to_sign in "$ovf" "$disk"
|
||
|
do
|
||
|
local sha1_sum=$(sha1sum "$to_sign" | cut -d' ' -f1)
|
||
|
echo "SHA1($(basename "$to_sign"))= $sha1_sum" >> $manifest
|
||
|
done
|
||
|
}
|
||
|
|
||
|
output_files="$OPT_OUTPUT_FILES"
|
||
|
xml_files="$OPT_XML_FILES"
|
||
|
# Iterate through the type list creating the relevant VMs
|
||
|
for create_type in $OPT_TYPES
|
||
|
do
|
||
|
# Shift one parameter from the front of the lists
|
||
|
create_output_file="${output_files%% *}"
|
||
|
output_files="${output_files#* }"
|
||
|
create_xml_file="${xml_files%% *}"
|
||
|
xml_files="${xml_files#* }"
|
||
|
echo "Creating $create_type appliance $create_output_file using metadata file $create_xml_file"
|
||
|
|
||
|
case "$create_type" in
|
||
|
xva)
|
||
|
make_xva "$create_output_file" "$create_xml_file"
|
||
|
;;
|
||
|
ovf)
|
||
|
make_ovf "$create_output_file" "$create_xml_file"
|
||
|
;;
|
||
|
*)
|
||
|
echo "Unknown VM type '$create_type'"
|
||
|
exit 1
|
||
|
;;
|
||
|
esac
|
||
|
|
||
|
done
|
||
|
|
||
|
|
||
|
# cleanup
|
||
|
if [ -z "${DO_NOT_CLEANUP:-}" ] ; then
|
||
|
rm -rf "$XVA_TARBALL_STAGING"
|
||
|
rm -f "$FS_TMPFILE"
|
||
|
fi
|