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build_sledgehammer.sh
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build_sledgehammer.sh
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#!/bin/bash
#
# Build a sledgehammer image for Crowbar and put it in the build cache.
# Copyright 2011, Dell
#
# 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.
#
# Author: VictorLowther
# We always use the C language and locale
export LANG="C"
export LC_ALL="C"
GEM_RE='([^0-9].*)-([0-9].*)'
readonly currdir="$PWD"
export PATH="$PATH:/sbin:/usr/sbin:/usr/local/sbin"
if ! [[ $CACHE_DIR ]]; then
# Source our config file if we have one
[[ -f $HOME/.build-crowbar.conf ]] && \
. "$HOME/.build-crowbar.conf"
# Look for a local one.
[[ -f build-crowbar.conf ]] && \
. "build-crowbar.conf"
fi
# Always run in verbose mode for now.
VERBOSE=true
# OS to stage Sledgehammer on to. Defaults to CentOS 6.2
[[ $SLEDGEHAMMER_OS ]] || SLEDGEHAMMER_OS="centos-6.2"
OS_TO_STAGE="$SLEDGEHAMMER_OS"
OS_TOKEN="$OS_TO_STAGE"
# Location for caches that should not be erased between runs
[[ $CACHE_DIR ]] || CACHE_DIR="$HOME/.crowbar-build-cache"
# The directory that we will mount the OS .ISO on .
[[ $IMAGE_DIR ]] || \
IMAGE_DIR="$CACHE_DIR/$OS_TOKEN/sledgehammer-image"
# Location to store .iso images that we use in the build process.
# These are usually OS install DVDs that we will stage Crowbar on to.
[[ $ISO_LIBRARY ]] || ISO_LIBRARY="$CACHE_DIR/iso"
[[ $CHROOT ]] || CHROOT="$CACHE_DIR/$OS_TOKEN/sledgehammer-chroot"
sudo rm -rf "$CHROOT"
mkdir -p "$CACHE_DIR" "$IMAGE_DIR" "$CHROOT"
# Location of the Crowbar checkout we are building from.
[[ $CROWBAR_DIR ]] || CROWBAR_DIR="${0%/*}"
[[ $CROWBAR_DIR = /* ]] || CROWBAR_DIR="$currdir/$CROWBAR_DIR"
[[ -f $CROWBAR_DIR/build_crowbar.sh && -d $CROWBAR_DIR/.git ]] || \
die "$CROWBAR_DIR is not a git checkout of Crowbar!"
export CROWBAR_DIR
# If the provisioner provides a build_sledgehammer,sh, use it instead.
if [[ -x $CROWBAR_DIR/barclamps/provisioner/build_sledgehammer.sh ]]; then
(cd "$CROWBAR_DIR/barclamps/provisioner/"
./build_sledgehammer.sh)
exit $?
fi
# Directory that holds our Sledgehammer PXE tree.
[[ $SLEDGEHAMMER_PXE_DIR ]] || SLEDGEHAMMER_PXE_DIR="$CACHE_DIR/tftpboot"
unset CROWBAR_BUILD_PID
# Source our common build functions
. "$CROWBAR_DIR/build_lib.sh" || exit 1
. "$CROWBAR_DIR/test_lib.sh" || exit 1
if ! which cpio &>/dev/null; then
die "Cannot find cpio, we cannot proceed."
fi
if ! which rpm rpm2cpio &>/dev/null; then
die "Cannot find rpm and rpm2cpio, we cannot proceed."
fi
if ! which ruby &>/dev/null; then
die "You must have Ruby installed to run this script. We cannot proceed."
fi
# Make sure that we actually know how to build the ISO we were asked to
# build. If we do not, print a helpful error message.
if ! [[ $OS_TO_STAGE && -d $CROWBAR_DIR/$OS_TO_STAGE-extra && \
-f $CROWBAR_DIR/$OS_TO_STAGE-extra/build_lib.sh ]]; then
cat <<EOF
You must pass the name of the operating system you want to stage Sledgehammer
on to. Valid choices are:
EOF
cd "$CROWBAR_DIR"
for d in *-extra; do
[[ -d $d && -f $d/build_lib.sh ]] || continue
echo " ${d%-extra}"
done
exit 1
fi
SLEDGEHAMMER_CHROOT_CACHE="$CACHE_DIR/sledgehammer/$OS_TO_STAGE/chroot_cache"
SLEDGEHAMMER_LIVECD_CACHE="$CACHE_DIR/sledgehammer/$OS_TO_STAGE/livecd_cache"
[[ -f $CROWBAR_DIR/$OS_TO_STAGE-extra/build_sledgehammer_lib.sh && \
-f $CROWBAR_DIR/$OS_TO_STAGE-extra/sledgehammer.ks ]] || \
die "Do not know how to build Sledgehammer on this OS!"
. "$CROWBAR_DIR/$OS_TO_STAGE-extra/build_lib.sh"
. "$CROWBAR_DIR/$OS_TO_STAGE-extra/build_sledgehammer_lib.sh"
setup_sledgehammer_chroot
sudo cp "$CROWBAR_DIR/$OS_TO_STAGE-extra/sledgehammer.ks" "$CHROOT/mnt"
sudo cp "$CROWBAR_DIR/sledgehammer-common/"* "$CHROOT/mnt"
mkdir -p "$SLEDGEHAMMER_CHROOT_CACHE"
mkdir -p "$SLEDGEHAMMER_LIVECD_CACHE"
in_chroot mkdir -p /mnt/cache
sudo mount --bind "$SLEDGEHAMMER_CHROOT_CACHE" "$CHROOT/$CHROOT_PKGDIR"
sudo mount --bind "$SLEDGEHAMMER_LIVECD_CACHE" "$CHROOT/mnt/cache"
in_chroot touch /mnt/make_sledgehammer
in_chroot chmod 777 /mnt/make_sledgehammer
echo '#!/bin/bash' >>"$CHROOT/mnt/make_sledgehammer"
if [[ $USE_PROXY = "1" ]]; then
printf "\nexport no_proxy=%q http_proxy=%q\n" \
"$no_proxy" "$http_proxy" >> "$CHROOT/mnt/make_sledgehammer"
printf "\nexport NO_PROXY=%q HTTP_PROXY=%q\n" \
"$no_proxy" "$http_proxy" >> "$CHROOT/mnt/make_sledgehammer"
fi
cat >> "$CHROOT/mnt/make_sledgehammer" <<EOF
set -e
cd /mnt
livecd-creator --config=sledgehammer.ks --cache=./cache -f sledgehammer
$SLEDGEECHO rm -fr /mnt/tftpboot
livecd-iso-to-pxeboot sledgehammer.iso
$SLEDGEECHO /bin/rm /mnt/sledgehammer.iso
EOF
in_chroot ln -s /proc/self/mounts /etc/mtab
in_chroot /mnt/make_sledgehammer
cp -a "$CHROOT/mnt/tftpboot" "$CACHE_DIR/"
$SLEDGEECHO in_chroot /bin/rm -rf /mnt/tftpboot
# Make sure that the loopback kernel module is loaded.
KMLOOP=`lsmod | cut -f1 -d " " | grep loop`
[[ $KMLOOP == "loop" ]] || sudo modprobe loop
while read line; do
sudo losetup -d "${line%%:*}"
done < <(sudo losetup -a |grep sledgehammer.iso)
[[ -f $CACHE_DIR/tftpboot/initrd0.img ]]