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@ -1,365 +0,0 @@
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#!/bin/bash
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#
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# Copyright (c) 2011 Citrix Systems, Inc.
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# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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set -eu
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set -o xtrace
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VBOX_IMG=/output/packages/vbox-img
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usage() {
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cat >&2 <<EOF
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$0 -o <output filenames> -t <types> -x <xml files> <fs-staging-dir> <fs-size-MiB> <tmpdir>
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-o: Colon-separated list of output filenames (one for each type).
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-p: Create a disk label and partition within the output image
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-t: Colon-separated list of types of output file. xva and ovf supported.
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-x: XML filenames (one for each type)
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EOF
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exit 1
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}
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# parse cmdline
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OPT_USE_PARTITION=
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OPT_TYPES=
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OPT_OUTPUT_FILES=
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OPT_XML_FILES=
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while getopts o:pt:x: o
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do case "$o" in
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o) OPT_OUTPUT_FILES=$(echo "$OPTARG" | sed -e 's/\s*:\s*/ /g')
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;;
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p) OPT_USE_PARTITION=1
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;;
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t) OPT_TYPES=$(echo "$OPTARG" | sed -e 's/\s*:\s*/ /g')
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;;
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x) OPT_XML_FILES=$(echo "$OPTARG" | sed -e 's/\s*:\s*/ /g')
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;;
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[?]) usage
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;;
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esac
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done
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shift $((OPTIND-1))
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[ $# -ne 3 ] && usage
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FS_STAGING="$1"
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FS_SIZE_MIB="$2"
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TMPDIR="$3"
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if [ "$UID" = "0" ]
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then
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SUDO=
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else
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SUDO=sudo
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fi
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if [ "$FS_SIZE_MIB" = "0" ]
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then
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# Just create a dummy file. This allows developers to bypass bits of
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# the build by setting the size to 0.
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touch $OPT_OUTPUT_FILES
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exit 0
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fi
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# create temporary files and dirs
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FS_TMPFILE=$(mktemp "$TMPDIR/mkxva-fsimg-XXXXX")
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XVA_TARBALL_STAGING=$(mktemp -d "$TMPDIR/mkxva-tarball-staging-XXXXX")
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OVF_STAGING=$(mktemp -d "$TMPDIR/mkxva-ovf-staging-XXXXX")
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# Find udevsettle and udevtrigger on this installation
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if [ -x "/sbin/udevsettle" ] ; then
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UDEVSETTLE="/sbin/udevsettle --timeout=30"
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elif [ -x "/sbin/udevadm" ] ; then
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UDEVSETTLE='/sbin/udevadm settle'
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else
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UDEVSETTLE='/bin/true'
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fi
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if [ -x "/sbin/udevtrigger" ] ; then
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UDEVTRIGGER=/sbin/udevtrigger
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elif [ -x "/sbin/udevadm" ] ; then
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UDEVTRIGGER='/sbin/udevadm trigger'
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else
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UDEVTRIGGER=
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fi
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# CLEAN_ variables track devices and mounts that must be taken down
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# no matter how the script exits. Loop devices are vulnerable to
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# exhaustion so we make every effort to remove them
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CLEAN_KPARTX=
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CLEAN_LOSETUP=
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CLEAN_MOUNTPOINT=
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cleanup_devices () {
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if [ -n "$CLEAN_MOUNTPOINT" ] ; then
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echo "Mountpoint $CLEAN_MOUNTPOINT removed on abnormal exit"
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$SUDO umount "$CLEAN_MOUNTPOINT" || echo "umount failed"
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rmdir "$CLEAN_MOUNTPOINT" || echo "rmdir failed"
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fi
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if [ -n "$CLEAN_KPARTX" ] ; then
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echo "kpartx devices for $CLEAN_KPARTX removed on abnormal exit"
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$SUDO kpartx -d "$CLEAN_KPARTX" || echo "kpartx -d failed"
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fi
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if [ -n "$CLEAN_LOSETUP" ] ; then
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echo "Loop device $CLEAN_LOSETUP removed on abnormal exit"
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$SUDO losetup -d "$CLEAN_LOSETUP" # Allow losetup errors to propagate
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fi
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}
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trap "cleanup_devices" EXIT
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make_fs_inner () {
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local staging="$1"
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local output="$2"
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local options="$3"
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CLEAN_MOUNTPOINT=$(mktemp -d "$TMPDIR/mkfs-XXXXXX")
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# copy staging dir contents to fs image
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$SUDO mount $options "$output" "$CLEAN_MOUNTPOINT"
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$SUDO tar -C "$staging" -c . | tar -C "$CLEAN_MOUNTPOINT" -x
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$SUDO umount "$CLEAN_MOUNTPOINT"
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rmdir "$CLEAN_MOUNTPOINT"
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CLEAN_MOUNTPOINT=
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}
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# Turn a staging dir into an ext3 filesystem within a partition
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make_fs_in_partition () {
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local staging="$1"
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local output="$2"
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# create new empty disk
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dd if=/dev/zero of="$output" bs=1M count=$FS_SIZE_MIB
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# Set up a loop device on the empty disk image
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local loopdevice=$($SUDO losetup -f)
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$SUDO losetup "$loopdevice" "$output"
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CLEAN_LOSETUP="$loopdevice"
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# Create a partition table and single partition.
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# Start partition at sector 63 to allow space for grub
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cat <<EOF
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Errors from sfdisk below are expected because the new disk is uninitialised
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Expecting: sfdisk: ERROR: sector 0 does not have an msdos signature
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Expecting: /dev/loop0: unrecognized partition table type
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EOF
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$SUDO sfdisk -uS "$CLEAN_LOSETUP" <<EOF
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63 - - *
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EOF
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# kpartx creates a device for the new partition
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# in the form /dev/mapper/loop1p1
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$SUDO kpartx -av "$CLEAN_LOSETUP"
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CLEAN_KPARTX="$CLEAN_LOSETUP"
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# Wait for the device to appear
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$UDEVTRIGGER
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$UDEVSETTLE || echo "udev settle command return code non-zero"
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# Infer the name of the partition device
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local partition="${CLEAN_LOSETUP/dev/dev/mapper}p1"
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# Set permissive privileges on the device
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$SUDO chmod 0777 "$partition"
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# Make an ext3 filesystem on the partition
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/sbin/mkfs.ext3 -I 128 -m0 -F "$partition"
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/sbin/e2label "$partition" vpxroot
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make_fs_inner "$staging" "$partition" ""
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# Now run grub on the image we've created
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CLEAN_MOUNTPOINT=$(mktemp -d "$TMPDIR/mkfs-XXXXXX")
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# copy Set up[ grub files prior to installing grub within the image
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$SUDO mount "$partition" "$CLEAN_MOUNTPOINT"
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$SUDO cp $CLEAN_MOUNTPOINT/usr/share/grub/i386-redhat/* "$CLEAN_MOUNTPOINT/boot/grub"
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kernel_version=$($SUDO chroot "$CLEAN_MOUNTPOINT" rpm -qv kernel | sed -e 's/kernel-//')
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kernel_version_xen=$($SUDO chroot "$CLEAN_MOUNTPOINT" rpm -qv kernel-xen | sed -e 's/kernel-xen-//')
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$SUDO cat > "$CLEAN_MOUNTPOINT/boot/grub/grub.conf" <<EOF
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default 0
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timeout 2
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title vmlinuz-$kernel_version (HVM)
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root (hd0,0)
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kernel /boot/vmlinuz-$kernel_version ro root=LABEL=vpxroot
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initrd /boot/initrd-$kernel_version.img
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title vmlinuz-${kernel_version_xen}xen (PV)
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root (hd0,0)
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kernel /boot/vmlinuz-${kernel_version_xen}xen ro root=LABEL=vpxroot console=xvc0
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initrd /boot/initrd-${kernel_version_xen}xen.img
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EOF
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$SUDO umount "$CLEAN_MOUNTPOINT"
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CLEAN_MOUNTPOINT=
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# Grub expects a disk with name /dev/xxxx with a first partition
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# named /dev/xxxx1, so we give it what it wants using symlinks
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# Note: /dev is linked to the real /dev of the build machine, so
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# must be cleaned up
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local disk_name="/dev/osxva$$bld"
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local disk_part1_name="${disk_name}1"
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rm -f "$disk_name"
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rm -f "$disk_part1_name"
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ln -s "$CLEAN_LOSETUP" "$disk_name"
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ln -s "$partition" "$disk_part1_name"
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# Feed commands into the grub shell to setup the disk
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grub --no-curses --device-map=/dev/null <<EOF
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device (hd0) $disk_name
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setup (hd0) (hd0,0)
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quit
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EOF
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# Cleanup
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rm -f "$disk_name"
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rm -f "$disk_part1_name"
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$SUDO kpartx -dv "$CLEAN_KPARTX"
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CLEAN_KPARTX=
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$SUDO losetup -d "$CLEAN_LOSETUP"
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CLEAN_LOSETUP=
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}
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# turn a staging dir into an ext3 filesystem image
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make_fs () {
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local staging="$1"
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local output="$2"
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# create new empty fs
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dd if=/dev/zero of="$output" bs=1M count=0 seek=$FS_SIZE_MIB
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/sbin/mkfs.ext3 -m0 -F "$output"
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/sbin/e2label "$output" vpxroot
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make_fs_inner "$staging" "$output" "-oloop"
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}
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# split a virtual disk image into the format expected inside an xva file
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splitvdi () {
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local diskimg="$1"
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local outputdir="$2"
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local rio="$3"
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local n_bytes=$(stat --printf=%s "$diskimg")
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local n_meg=$((($n_bytes+$((1024*1024 -1)))/$((1024*1024))))
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local i=0
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while [ $i -lt $n_meg ] ; do
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if [ $rio -eq 0 ] ; then
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local file="$outputdir"/chunk-$(printf "%08d" $i)
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dd if="$diskimg" of="$file" skip=$i bs=1M count=1 2>/dev/null
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gzip "$file"
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else
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local file="$outputdir"/$(printf "%08d" $i)
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dd if="$diskimg" of="$file" skip=$i bs=1M count=1 2>/dev/null
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local chksum=$(sha1sum -b "$file")
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echo -n "${chksum/ */}" > "$file.checksum"
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fi
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i=$(($i + 1))
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done
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}
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if [ -n "$OPT_USE_PARTITION" ] ; then
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make_fs_in_partition "$FS_STAGING" "$FS_TMPFILE"
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else
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make_fs "$FS_STAGING" "$FS_TMPFILE"
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fi
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VDI_SIZE=$(stat --format=%s "$FS_TMPFILE")
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make_xva () {
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local output_file="$1"
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local xml_file="$2"
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local subdir
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local rio
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if [[ `cat $xml_file` =~ "<member>\s*<name>class</name>\s*<value>VDI</value>\s*</member>\s*<member>\s*<name>id</name>\s*<value>(Ref:[0-9]+)</value>" ]]
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then
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# it's a rio style xva
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subdir="${BASH_REMATCH[1]}";
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rio=1
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else
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# it's a geneva style xva
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subdir="xvda"
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rio=0
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fi
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cp "$xml_file" "$XVA_TARBALL_STAGING"/ova.xml
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sed -i -e "s/@VDI_SIZE@/$VDI_SIZE/" "$XVA_TARBALL_STAGING"/ova.xml
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mkdir "$XVA_TARBALL_STAGING/$subdir"
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splitvdi "$FS_TMPFILE" "$XVA_TARBALL_STAGING/$subdir" "$rio"
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TARFILE_MEMBERS=$(cd "$XVA_TARBALL_STAGING" && echo ova.xml $subdir/*)
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tar -C "$XVA_TARBALL_STAGING" --format=v7 -c $TARFILE_MEMBERS -f "$output_file.tmp"
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mv "$output_file.tmp" "$output_file"
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}
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make_ovf () {
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local output_dir="$1"
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local xml_file="$2"
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local output_base=$(basename "$output_dir")
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local disk="$output_dir/${output_base}.vmdk"
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local manifest="$output_dir/${output_base}.mf"
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local ovf="$output_dir/${output_base}.ovf"
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mkdir -p "$output_dir"
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rm -f "$disk"
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|
$VBOX_IMG convert --srcfilename="$FS_TMPFILE" --dstfilename="$disk" \
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|
|
--srcformat RAW --dstformat VMDK --variant Stream
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|
chmod 0644 "$disk"
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|
|
local n_bytes=$(stat --printf=%s "$disk")
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|
|
cp "$xml_file" "$ovf"
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|
|
sed -i -e "s/@MKXVA_DISK_FULLSIZE@/$VDI_SIZE/" "$ovf"
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|
|
sed -i -e "s/@MKXVA_DISK_SIZE@/$n_bytes/" "$ovf"
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sed -i -e "s/@MKXVA_DISK_MIB_SIZE@/$FS_SIZE_MIB/" "$ovf"
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|
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sed -i -e "s/@MKXVA_DISK_FILENAME@/${output_base}.vmdk/" "$ovf"
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|
|
for to_sign in "$ovf" "$disk"
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|
|
do
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|
|
local sha1_sum=$(sha1sum "$to_sign" | cut -d' ' -f1)
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|
|
echo "SHA1($(basename "$to_sign"))= $sha1_sum" >> $manifest
|
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|
|
done
|
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|
|
}
|
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|
|
output_files="$OPT_OUTPUT_FILES"
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|
|
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 $create_xml_file"
|
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|
|
|
|
|
|
|
|
case "$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 '$create_type'"
|
|
|
|
|
exit 1
|
|
|
|
|
;;
|
|
|
|
|
esac
|
|
|
|
|
|
|
|
|
|
done
|
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|
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|
|
# cleanup
|
|
|
|
|
if [ -z "${DO_NOT_CLEANUP:-}" ] ; then
|
|
|
|
|
rm -rf "$XVA_TARBALL_STAGING"
|
|
|
|
|
rm -f "$FS_TMPFILE"
|
|
|
|
|
fi
|
John Hua