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Various improvements, fixes for build.sh script

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This commit is contained in:
Stefan Reimer 2014-10-02 23:59:42 -07:00
parent 371b8fdd19
commit d484a86107
1 changed files with 31 additions and 27 deletions
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48
scripts/build.sh
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@ -1,13 +1,12 @@
#!/bin/sh
# - builds a generic image from a stage3 tarball and portage snapshot
# - creates and uploads AMI
#
# based on work from JD Harrington https://github.com/psi/gentoo-aws
# and Matsuu Takuto https://gist.github.com/870789
#===============================================================================
GENTOO_MIRROR="http://gentoo.arcticnetwork.ca"
GENTOO_MIRROR="http://distfiles.gentoo.org"
LOCAL_CACHE=/var/tmp
IMAGE_ROOT=/mnt/gentoo
@ -25,7 +24,7 @@ fetch_file() {
local DIGEST=$2
FILE_NAME=$(basename ${URL})
SHA512=$(curl -s -S ${DIGEST} | grep -A1 -e "^# SHA512 HASH" | grep -o -E -e "^[0-9a-f]{128} *${FILE_NAME}$" | awk '{print $1}')
SHA512=$(curl -q -s -S ${DIGEST} | grep -A1 -e "^# SHA512 HASH" | grep -o -E -e "^[0-9a-f]{128} *${FILE_NAME}$" | awk '{print $1}')
# Check if local cache is usable
if [ ! -d ${LOCAL_CACHE} ] || [ ! -w ${LOCAL_CACHE} ]; then
@ -34,7 +33,7 @@ fetch_file() {
if [ -z ${SHA512} ]; then
# Let's try md5sum before giving up
MD5=$(curl -s -S ${DIGEST} | grep -o -E -e "^[0-9a-f]{32} *${FILE_NAME}$" | awk '{print $1}')
MD5=$(curl -q -s -S ${DIGEST} | grep -o -E -e "^[0-9a-f]{32} *${FILE_NAME}$" | awk '{print $1}')
if [ -z ${MD5} ]; then
die "Unable to get checksum for ${FILE_NAME}, abort"
fi
@ -47,6 +46,7 @@ fetch_file() {
if [ ! -z ${SHA512} ]; then
if [ $(sha512sum ${LOCAL_CACHE}/${FILE_NAME} | awk '{print $1}') = ${SHA512} ]; then
echo "SHA512 checksum for ${FILE_NAME} verified."
cp ${LOCAL_CACHE}/${FILE_NAME} .
return
else
@ -57,6 +57,7 @@ fetch_file() {
if [ ! -z ${MD5} ]; then
if [ $(md5sum ${LOCAL_CACHE}/${FILE_NAME} | awk '{print $1}') = ${MD5} ]; then
echo "MD5 checksum for ${FILE_NAME} verified."
cp ${LOCAL_CACHE}/${FILE_NAME} .
return
else
@ -115,38 +116,46 @@ bootstrap() {
if [ -d "usr" ] ; then
echo "There seems to be already files in ${ROOT_FS} !"
echo "Press <Ctrl+c> to abort, or <Return> to proceed with extracting stage3 ..."
read
read -r REPLY
fi
fetch_file "${STAGE_TARBALL}" "${STAGE_TARBALL}.DIGESTS"
echo "Extracting stage3 to ${ROOT_FS} ..."
tar jxpf $(basename ${STAGE_TARBALL}) || die "Extracting stage file failed"
rm -f $(basename ${STAGE_TARBALL})
}
# Portage snapshot
# setup_chroot ROOT_FS
setup_chroot() {
local ROOT_FS=$1
# Import certain values from host config
PORTAGE_SNAPSHOT="${GENTOO_MIRROR}/releases/snapshots/current/portage-latest.tar.bz2"
if [ ${BIND_PORTAGE} = 1 ] ; then
if [ ! -r $MAKE_CONF ]; then
echo "Cannot find make.conf: $MAKE_CONF, using defaults ..."
else
_PORTDIR=$(. ${MAKE_CONF} && echo $PORTDIR)
_DISTDIR=$(. ${MAKE_CONF} && echo $DISTDIR)
_PKGDIR=$(. ${MAKE_CONF} && echo $PKGDIR)
fi
HOST_PORTDIR=${_PORTDIR:-/usr/portage}
HOST_DISTDIR=${_DISTDIR:-/usr/portage/distfiles}
HOST_PKGDIR=${_PKGDIR:-/usr/portage/packages}
PORTAGE_SNAPSHOT="${GENTOO_MIRROR}/snapshots/portage-latest.tar.bz2"
if [ ${BIND_PORTAGE} = 1 ] ; then
mkdir -p ${ROOT_FS}/${HOST_PORTDIR}
mount --bind ${HOST_PORTDIR} ${ROOT_FS}/${HOST_PORTDIR} || die "Error mounting ${HOST_PORTDIR}"
else
# install latest portage snapshot
if [ ! -d "usr/portage" ] ; then
fetch_file "${PORTAGE_SNAPSHOT}" "${PORTAGE_SNAPSHOT}.md5sum"
echo "Extracting latest portage snapshot to ${ROOT_FS}/usr ..."
tar jxf $(basename ${PORTAGE_SNAPSHOT}) -C "${ROOT_FS}/usr" || die "Extracting portage snapshot failed"
rm -f portage-latest.tar.bz2
fi
fi
}
# setup_chroot ROOT_FS
setup_chroot() {
local ROOT_FS=$1
# resolve.conf
cp -L /etc/resolv.conf ${ROOT_FS}/etc/resolv.conf || die "Can't copy resolv.conf"
@ -167,7 +176,7 @@ setup_chroot() {
else
echo "Done !"
echo "Press <Return> to tear down the chroot environment once you are done."
read
read -r REPLY
fi
}
@ -236,19 +245,14 @@ ARCH=${ARCH-"$(uname -m)"}
PROFILE=${PROFILE="server"}
TIMEZONE=${TIMEZONE-"GMT"}
if [ ${VERBOSE} = 1 ]; then
if [ ${VERBOSE} -eq 1 ]; then
set -x
fi
if [ ${INTERACTIVE} = 0 ]; then
if [ ${INTERACTIVE} -eq 0 ]; then
bootstrap ${IMAGE_ROOT} ${PROFILE} ${ARCH}
fi
if [ ! -r $MAKE_CONF ]; then
echo "Cannot find requested make.conf: $MAKE_CONF"
exit 1
fi
# From here make sure we don't leave stuff around
trap "cleanup ${IMAGE_ROOT}" INT TERM EXIT