d9a2211d14
For machines with low RAM (or no access to /proc/meminfo) the builder will still run, but will just build inside the filesystem that is hosting /tmp. This will result in a slower build (especially if there are a lot of .deb packages installed). Fixes bug #1175453 Change-Id: I79f2672058c11e377548820df0ab4fad8f47ffdc
132 lines
4.3 KiB
Bash
Executable file
132 lines
4.3 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 -e
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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=$(export)
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SCRIPTNAME=$(basename $0)
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SCRIPT_HOME=$(dirname $0)
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export _LIB=$(dirname $0)/../lib
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source $_LIB/die
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function show_options () {
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echo "Options:"
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echo " -a i386|amd64|armhf -- set the architecture of the image"
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echo " -o filename -- set the name of the output file"
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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 " -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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echo " --no-tmpfs -- do not use tmpfs to speed image build"
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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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exit 0
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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 -n $SCRIPTNAME -- "$@"`
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if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
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# Note the quotes around `$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) show_options;;
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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 <<< "$2"; export INSTALL_PACKAGES ; shift 2 ;;
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--no-tmpfs) shift; export DIB_NO_TMPFS=1;;
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--) shift ; break ;;
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*) echo "Internal error!" ; exit 1 ;;
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esac
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done
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if [ "$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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for arg do IMAGE_ELEMENT="$IMAGE_ELEMENT $arg" ; done
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if [ "$SKIP_BASE" != "1" ]; then
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IMAGE_ELEMENT="base $IMAGE_ELEMENT"
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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 $_LIB/img-functions
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IMAGE_NAME=${IMAGE_NAME%%\.${IMAGE_TYPE}}
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IMAGE_ELEMENT=$($SCRIPT_HOME/element-info --expand-dependencies $IMAGE_ELEMENT)
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echo "Building elements: $IMAGE_ELEMENT"
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echo "If prompted for sudo, install sudoers.d/img-build-sudoers into /etc/sudoers.d and restart the build."
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# TODO: make into an element.
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ensure_nbd
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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 $TMP_BUILD_DIR/built
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# in kb*0.8 - underreport to get a slightly bigger device
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_NEEDED_SIZE=$(sudo du --block-size=800 -x -s ${TMP_BUILD_DIR}/built | awk ' { print $1 } ')
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truncate -s${_NEEDED_SIZE}K $TMP_IMAGE_PATH
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LOOPDEV=$(sudo losetup --show -f $TMP_IMAGE_PATH)
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export EXTRA_UNMOUNT="sudo losetup -d $LOOPDEV"
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export IMAGE_BLOCK_DEVICE=$LOOPDEV
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eval_run_d block-device "IMAGE_BLOCK_DEVICE="
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OPTS=""
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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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OPTS="-i 4096"
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fi
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sudo 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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compress_image
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save_image $IMAGE_NAME.$IMAGE_TYPE
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