d2cb979ddf
With smaller base images, such as Debian, the padding value used to size the root filesystem does not leave enough room for grub which is installed after the filesystem is created. Change-Id: Ic2ab9e2efc9bf1b02f802ee47a36e3fff9c3512e
183 lines
6.3 KiB
Bash
Executable File
183 lines
6.3 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright 2012 Hewlett-Packard Development Company, L.P.
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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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set -eE
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# Prevent perl from complaining a lot, but also remove any unexpected side-effects
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# of $LANG varying between build hosts
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export LANG=C
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# Store our initial environment and command line args for later
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export DIB_ARGS="$@"
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export DIB_ENV=$(export | grep ' DIB_.*=')
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SCRIPTNAME=$(basename $0)
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SCRIPT_HOME=$(dirname $0)
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if [ -d $SCRIPT_HOME/../share/diskimage-builder ]
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then
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export _PREFIX=$SCRIPT_HOME/../share/diskimage-builder
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else
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export _PREFIX=$SCRIPT_HOME/..
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fi
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export _LIB=$_PREFIX/lib
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source $_LIB/die
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IS_RAMDISK=0
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if [ "$SCRIPTNAME" == "ramdisk-image-create" ]; then
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IS_RAMDISK=1
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fi
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function show_options () {
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echo "Usage: ${SCRIPTNAME} [OPTION]... [ELEMENT]..."
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echo
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echo "Options:"
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echo " -a i386|amd64|armhf -- set the architecture of the image(default amd64)"
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echo " -o imagename -- set the imagename of the output image file(default image)"
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echo " -x -- turn on tracing"
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echo " -u -- uncompressed; do not compress the image - larger but faster"
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echo " -c -- clear environment before starting work"
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echo " --image-size size -- image size in GB for the created image"
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echo " --image-cache directory -- location for cached images(default ~/.cache/image-create)"
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echo " --min-tmpfs size -- minimum size in GB needed in tmpfs to build the image"
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echo " --no-tmpfs -- do not use tmpfs to speed image build"
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echo " --offline -- do not update cached resources"
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if [ "$IS_RAMDISK" == "0" ]; then
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echo " -n skip the default inclusion of the 'base' element"
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echo " -p package[,package,package] -- list of packages to install in the image"
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fi
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echo " -h|--help -- display this help and exit"
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echo
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echo "ELEMENTS_PATH will allow you to specify multiple locations for the elements."
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echo
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echo "NOTE: At least one distribution root element must be specified."
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echo
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echo "Examples:"
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if [ "$IS_RAMDISK" == "0" ]; then
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echo " ${SCRIPTNAME} -a amd64 -o ubuntu-amd64 vm ubuntu"
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echo " export ELEMENTS_PATH=~/source/tripleo-image-elements/elements"
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echo " ${SCRIPTNAME} -a amd64 -o fedora-amd64-heat-cfntools vm fedora heat-cfntools"
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else
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echo " ${SCRIPTNAME} -a amd64 -o fedora-deploy deploy fedora"
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echo " ${SCRIPTNAME} -a amd64 -o ubuntu-ramdisk ramdisk ubuntu"
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fi
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}
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INSTALL_PACKAGES=""
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COMPRESS_IMAGE="true"
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TEMP=`getopt -o a:ho:xucnp: -l no-tmpfs,offline,help,min-tmpfs,image-size: -n $SCRIPTNAME -- "$@"`
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if [ $? -ne 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
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# Note the quotes around `$TEMP': they are essential!
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eval set -- "$TEMP"
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while true ; do
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case "$1" in
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-a) export ARCH=$2; shift 2 ;;
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-o) export IMAGE_NAME=$2; shift 2 ;;
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-h|--help) show_options; exit 0;;
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-x) shift; set -x;;
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-u) shift; export COMPRESS_IMAGE="";;
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-c) shift ; export CLEAR_ENV=1;;
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-n) shift; export SKIP_BASE="1";;
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-p) IFS="," read -a INSTALL_PACKAGES <<< "$2"; export INSTALL_PACKAGES ; shift 2 ;;
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--image-size) export DIB_IMAGE_SIZE=$2; shift 2;;
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--image-cache) export DIB_IMAGE_CACHE=$2; shift 2;;
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--min-tmpfs) export DIB_MIN_TMPFS=$2; shift 2;;
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--no-tmpfs) shift; export DIB_NO_TMPFS=1;;
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--offline) shift; export DIB_OFFLINE=1;;
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--) shift ; break ;;
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*) echo "Internal error!" ; exit 1 ;;
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esac
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done
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export DIB_IMAGE_CACHE=${DIB_IMAGE_CACHE:-~/.cache/image-create}
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if [ "$CLEAR_ENV" = "1" -a "$HOME" != "" ]; then
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echo "Re-execing to clear environment."
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echo "(note this will prevent much of the local_config element from working)"
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exec -c $0 "$@"
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fi
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source $_LIB/img-defaults
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source $_LIB/common-functions
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source $_LIB/img-functions
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if [ "$IS_RAMDISK" == "1" ]; then
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source $_LIB/ramdisk-defaults
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source $_LIB/ramdisk-functions
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fi
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arg_to_elements "$@"
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IMAGE_NAME=${IMAGE_NAME%%\.${IMAGE_TYPE}}
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mk_build_dir
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create_base
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run_d extra-data
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# Run pre-install scripts. These do things that prepare the chroot for package installs
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run_d_in_target pre-install
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do_extra_package_install
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# Call install scripts to pull in the software users want.
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run_d_in_target install
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run_d_in_target post-install
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prepare_first_boot
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# Free up /mnt
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unmount_image
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mv $TMP_BUILD_DIR/mnt $TMP_BUILD_DIR/built
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MKFS_OPTS=""
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if [ -n "$DIB_IMAGE_SIZE" ]; then
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truncate -s${DIB_IMAGE_SIZE}G $TMP_IMAGE_PATH
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else
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# in kb*0.60 - underreport to get a slightly bigger device
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# Rounding down size so that is is a multiple of 64, works around a bug in
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# qemu-img that may occur when compressing raw images that aren't a multiple
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# of 64k. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1180021
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_NEEDED_SIZE=$(sudo du --block-size=600 -x -s ${TMP_BUILD_DIR}/built | \
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awk ' { print $1 - ( $1 % 64) } ')
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truncate -s${_NEEDED_SIZE}K $TMP_IMAGE_PATH
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if [ "$FS_TYPE" = "ext4" ] ; then
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# Very conservative to handle images being resized a lot
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# Without -J option specified, default journal size will be set to 32M
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# and online resize will be failed with error of needs too many credits.
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MKFS_OPTS="-i 4096 -J size=64"
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fi
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fi
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# allow up to 1PB of 4KB blocks.
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MKFS_OPTS="$MKFS_OPTS -E resize=274877906944"
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LOOPDEV=$(sudo losetup --show -f $TMP_IMAGE_PATH)
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export EXTRA_UNMOUNT="detach_loopback $LOOPDEV"
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export IMAGE_BLOCK_DEVICE=$LOOPDEV
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eval_run_d block-device "IMAGE_BLOCK_DEVICE="
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sudo mkfs $MKFS_OPTS -t $FS_TYPE -L cloudimg-rootfs ${IMAGE_BLOCK_DEVICE}
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mkdir $TMP_BUILD_DIR/mnt
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sudo mount ${IMAGE_BLOCK_DEVICE} $TMP_BUILD_DIR/mnt
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sudo mv -t $TMP_BUILD_DIR/mnt ${TMP_BUILD_DIR}/built/*
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mount_proc_dev_sys
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run_d_in_target finalise
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finalise_base
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unmount_image
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if [ "$IS_RAMDISK" == "0" ]; then
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compress_and_save_image $IMAGE_NAME.$IMAGE_TYPE
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else
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remove_image
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fi
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