209 lines
8 KiB
Bash
Executable file
209 lines
8 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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#
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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 $(readlink -f $0))
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if [ -d $SCRIPT_HOME/../share/diskimage-builder ]; then
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export _PREFIX=$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 " -t qcow2|tar -- set the imagetype of the output image file(default qcow2)"
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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 " --max-online-resize size -- max number of filesystem blocks to support when resizing."
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echo " Useful if you want a really large root partition when the image is deployed."
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echo " Using a very large value may run into a known bug in resize2fs."
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echo " Setting the value to 274877906944 will get you a 1PB root file system."
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echo " Making this value unnecessarily large will consume extra disk space "
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echo " on the root partition with extra file system inodes."
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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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echo " --qemu-img-options -- option flags to be passed directly to qemu-img."
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echo " Options need to be comma separated, and follow the key=value pattern."
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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:t:xucnp: -l no-tmpfs,offline,help,min-tmpfs:,image-size:,image-cache:,max-online-resize:,qemu-img-options: -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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-t) export IMAGE_TYPE=$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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--max-online-resize) export MAX_ONLINE_RESIZE=$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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--qemu-img-options) QEMU_IMG_OPTIONS=$2; shift 2;;
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--) shift ; break ;;
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*) echo "Internal error!" ; exit 1 ;;
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esac
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done
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export DIB_IMAGE_CACHE=${DIB_IMAGE_CACHE:-~/.cache/image-create}
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mkdir -p $DIB_IMAGE_CACHE
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if [ "$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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export 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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# ensure we do not have a lost+found directory in the root folder
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# that could cause copy to fail (it will be created again later
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# when creating the file system, if it needs such directory)
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if [ -e "$TMP_BUILD_DIR/mnt/lost+found" ]; then
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sudo rm -rf "$TMP_BUILD_DIR/mnt/lost+found"
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fi
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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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if [ -n "$MAX_ONLINE_RESIZE" ]; then
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MKFS_OPTS="$MKFS_OPTS -E resize=$MAX_ONLINE_RESIZE"
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fi
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LOOPDEV=$(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 ${TMP_BUILD_DIR}/built/*
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mount_proc_dev_sys
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run_d_in_target finalise
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finalise_base
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if [ "$IMAGE_TYPE" == "tar" ]; then
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sudo tar -C ${TMP_BUILD_DIR}/mnt -cf $IMAGE_NAME.tar --exclude ./sys \
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--exclude ./proc --xattrs --xattrs-include=\* .
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sudo chown $USER: $IMAGE_NAME.tar
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fi
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unmount_image
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if [ "$IS_RAMDISK" == "0" -a "$IMAGE_TYPE" != "tar" ]; then
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compress_and_save_image $IMAGE_NAME.$IMAGE_TYPE
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else
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# This is a ramdisk build, we have already extracted the kernel and ramdisk
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# by this point.
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rm $TMP_IMAGE_PATH
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fi
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