dc93feee69
save_image is used to copy kernel and ramdisks out of the image, which we will sometimes want to keep the source, and sometimes not. However for the main image itself, the temp copy is never kept, so use mv rather than cp and avoid the excess IO. Change-Id: I5a9f0d69ffee3e6b872a8927537ac17f02f5aa4d
123 lines
4.3 KiB
Plaintext
123 lines
4.3 KiB
Plaintext
# Copyright 2012 Hewlett-Packard Development Company, L.P.
|
|
# 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.
|
|
|
|
function unmount_image () {
|
|
# Calling sync before helps ensure the mount isn't busy when you unmount it.
|
|
# Previously observing having disk corruption issues; one possibility is
|
|
# qemu-nbd not flushing dirty pages on disconnect?
|
|
# https://bugs.launchpad.net/diskimage-builder/+bug/1214388
|
|
sync
|
|
|
|
# unmount from the chroot
|
|
# Don't use TMP_MOUNT_PATH here, it might not have been set.
|
|
unmount_dir "$TMP_BUILD_DIR/mnt"
|
|
if [ -n "$EXTRA_UNMOUNT" ]; then
|
|
$EXTRA_UNMOUNT
|
|
fi
|
|
}
|
|
|
|
function cleanup () {
|
|
unmount_image
|
|
cleanup_dirs
|
|
}
|
|
|
|
function ensure_nbd () {
|
|
NBD=`which qemu-nbd` || true
|
|
if [ -z "$NBD" ]; then
|
|
echo "qemu-nbd is not found in your PATH"
|
|
echo "Please install it on your system"
|
|
exit 1
|
|
fi
|
|
# prep nbd for mounting
|
|
(lsmod | grep '^nbd ' >/dev/null) || sudo modprobe nbd max_part=16
|
|
}
|
|
|
|
function ensure_sudo () {
|
|
sudo echo "Ensuring sudo is available"
|
|
}
|
|
|
|
# Helper function to run a command inside the chroot
|
|
function run_in_target () {
|
|
# Force the inclusion of /usr/local/bin in PATH, this is needed for some
|
|
# distros that does not include /usr/local/bin in the sudoers secure_path.
|
|
# Note that we're not expanding PATH during argument processing, the \$
|
|
# will preserve the PATH syntax until after the sh command runs
|
|
cmd="PATH=\$PATH:/usr/local/bin ; $@"
|
|
# -E to preserve http_proxy
|
|
ORIG_HOME=$HOME
|
|
export HOME=/root
|
|
sudo -E chroot $TMP_MOUNT_PATH sh -c "$cmd"
|
|
export HOME=$ORIG_HOME
|
|
}
|
|
|
|
# Helper function to run a directory of scripts inside the chroot
|
|
function run_d_in_target () {
|
|
check_element
|
|
# If we can find a directory of hooks to run in the target filesystem, bind
|
|
# mount it into the target and then execute run-parts in a chroot
|
|
if [ -d ${TMP_HOOKS_PATH}/$1.d ] ; then
|
|
sudo mkdir $TMP_MOUNT_PATH/tmp/in_target.d
|
|
sudo mount --bind ${TMP_HOOKS_PATH} $TMP_MOUNT_PATH/tmp/in_target.d
|
|
sudo mount -o remount,ro,bind ${TMP_HOOKS_PATH} $TMP_MOUNT_PATH/tmp/in_target.d
|
|
check_break before-$1 run_in_target bash
|
|
trap "check_break after-error run_in_target bash" ERR
|
|
run_in_target dib-run-parts /tmp/in_target.d/$1.d
|
|
trap - ERR
|
|
check_break after-$1 run_in_target bash
|
|
sudo umount -f $TMP_MOUNT_PATH/tmp/in_target.d
|
|
sudo rmdir $TMP_MOUNT_PATH/tmp/in_target.d
|
|
fi
|
|
}
|
|
|
|
function prepare_first_boot () {
|
|
check_break before-first-boot run_in_target bash
|
|
if [ -d ${TMP_HOOKS_PATH}/first-boot.d ] ; then
|
|
sudo cp -t $TMP_MOUNT_PATH/etc/ -a $TMP_HOOKS_PATH/first-boot.d
|
|
fi
|
|
check_break after-first-boot run_in_target bash
|
|
}
|
|
|
|
function finalise_base () {
|
|
TARGET_ROOT=$TMP_MOUNT_PATH run_d cleanup
|
|
# Remove the resolv.conf we created above
|
|
sudo rm -f $TMP_MOUNT_PATH/etc/resolv.conf
|
|
# Move the original back
|
|
if [ -L $TMP_MOUNT_PATH/etc/resolv.conf.ORIG ] || [ -f $TMP_MOUNT_PATH/etc/resolv.conf.ORIG ] ; then
|
|
sudo mv $TMP_MOUNT_PATH/etc/resolv.conf.ORIG $TMP_MOUNT_PATH/etc/resolv.conf
|
|
fi
|
|
}
|
|
|
|
function compress_and_save_image () {
|
|
# Recreate our image to throw away unnecessary data
|
|
test $IMAGE_TYPE != qcow2 && COMPRESS_IMAGE=""
|
|
qemu-img convert ${COMPRESS_IMAGE:+-c} -f raw $TMP_IMAGE_PATH -O $IMAGE_TYPE $1-new
|
|
rm $TMP_IMAGE_PATH
|
|
|
|
TMP_IMAGE_PATH=$1-new
|
|
finish_image $1
|
|
}
|
|
|
|
function do_extra_package_install () {
|
|
# Install any packages that were requested with the -p command line option
|
|
if [ "$INSTALL_PACKAGES" != "" ]; then
|
|
run_in_target install-packages ${INSTALL_PACKAGES[@]}
|
|
fi
|
|
}
|
|
|
|
function copy_elements_lib () {
|
|
sudo mkdir -p $TMP_MOUNT_PATH/lib/diskimage-builder
|
|
sudo cp -t $TMP_MOUNT_PATH/lib/diskimage-builder $_LIB/elements-functions
|
|
}
|