diskimage-builder/elements/debootstrap/root.d/08-debootstrap
Gregory Haynes 2678209e94 Don't cache debootstrap rootfs by default
By default we create a tarball of any debootstrap rootfs we create. For
the majority of use cases this is a large performance hit for no
benefit. Lets make this an opt-in feature.

Change-Id: I58fc485aacacaa17243bf9ce760ed91256d1f182
2016-02-16 07:55:19 +00:00

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#!/bin/bash
#
# Copyright 2014 Hewlett-Packard Development Company, L.P.
#
# 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.
#
if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
if [ -f ${TARGET_ROOT}/.extra_settings ] ; then
. ${TARGET_ROOT}/.extra_settings
fi
[ -n "$DISTRO_NAME" ]
[ -n "$DIB_RELEASE" ]
[ -n "$DIB_DISTRIBUTION_MIRROR" ]
if [ $DISTRO_NAME = 'ubuntu' ] ; then
KERNEL='generic'
else
case $ARCH in
amd64) KERNEL='amd64' ;;
i386) KERNEL='686' ;;
arm7)
[ -n "$DIB_ARM_KERNEL" ]
KERNEL="$DIB_ARM_KERNEL"
;;
esac
fi
KERNEL_PACKAGE="linux-image-$KERNEL"
DIB_DEBIAN_COMPONENTS=${DIB_DEBIAN_COMPONENTS:-main}
DIB_DEBOOTSTRAP_EXTRA_ARGS=${DIB_DEBOOTSTRAP_EXTRA_ARGS:-}
DEBOOTSTRAP_TARBALL=$DIB_IMAGE_CACHE/debootstrap-${DISTRO_NAME}-${DIB_RELEASE}-${ARCH}-${KERNEL}.tar.gz
http_proxy=${http_proxy:-}
if [ -n "$DIB_OFFLINE" -o -n "${DIB_DEBIAN_USE_DEBOOTSTRAP_CACHE:-}" ] && [ -f $DEBOOTSTRAP_TARBALL ] ; then
echo $DEBOOTSTRAP_TARBALL found in cache. Using.
sudo tar -C $TARGET_ROOT --numeric-owner -xzf $DEBOOTSTRAP_TARBALL
else
KEYRING_OPT=
if [ -n "${DIB_APT_KEYRING:-${DIB_DEBIAN_KEYRING:-}}" ] ; then
KEYRING_OPT="--keyring=${DIB_APT_KEYRING:-${DIB_DEBIAN_KEYRING:-}}"
fi
# Have to --include=python because of dib-run-parts
# Have to --include=sudo for pre-install.d use of sudoers files
sudo sh -c "http_proxy=$http_proxy debootstrap --verbose \
--variant=minbase \
--include=python,sudo,$KERNEL_PACKAGE \
--components=${DIB_DEBIAN_COMPONENTS} \
--arch=${ARCH} \
$KEYRING_OPT \
$DIB_DEBOOTSTRAP_EXTRA_ARGS \
$DIB_RELEASE \
$TARGET_ROOT \
$DIB_DISTRIBUTION_MIRROR \
${DIB_DEBIAN_DEBOOTSTRAP_SCRIPT:-}"
echo Caching debootstrap result in $DEBOOTSTRAP_TARBALL
if [ "${DIB_DEBOOTSTRAP_CACHE:-0}" != "0" ]; then
sudo tar --numeric-owner -C $TARGET_ROOT -zcf $DEBOOTSTRAP_TARBALL --exclude='./tmp/*' .
fi
fi
sudo rm -f ${TARGET_ROOT}/.extra_settings