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#!/bin/bash
#
# Script to build an "old style" not flat pkg out of the puppet repository.
#
# Author: Nigel Kersten (nigelk@google.com)
#
# Last Updated: 2008-07-31
#
# Copyright 2008 Google Inc.
#
# 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
INSTALLRB="install.rb"
BINDIR="/usr/bin"
SITELIBDIR="/usr/lib/ruby/site_ruby/1.8"
PACKAGEMAKER="/Developer/usr/bin/packagemaker"
PROTO_PLIST="PackageInfo.plist"
PREFLIGHT="preflight"
function find_installer() {
# we walk up three directories to make this executable from the root,
# root/conf or root/conf/osx
if [ -f "./${INSTALLRB}" ]; then
installer="$(pwd)/${INSTALLRB}"
elif [ -f "../${INSTALLRB}" ]; then
installer="$(pwd)/../${INSTALLRB}"
elif [ -f "../../${INSTALLRB}" ]; then
installer="$(pwd)/../${INSTALLRB}"
else
installer=""
fi
}
function find_puppet_root() {
puppet_root=$(dirname "${installer}")
}
function install_puppet() {
echo "Installing Puppet to ${pkgroot}"
"${installer}" --destdir="${pkgroot}" --bindir="${BINDIR}" --sitelibdir="${SITELIBDIR}"
chown -R root:admin "${pkgroot}"
}
function get_puppet_version() {
puppet_version=$(RUBYLIB="${pkgroot}/${SITELIBDIR}:${RUBYLIB}" ruby -e "require 'puppet'; puts Puppet.version")
}
function prepare_package() {
# As we can't specify to follow symlinks from the command line, we have
# to go through the hassle of creating an Info.plist file for packagemaker
# to look at for package creation and substitue the version strings out.
# Major/Minor versions can only be integers, so we have "0" and "245" for
# puppet version 0.24.5
# Note too that for 10.5 compatibility this Info.plist *must* be set to
# follow symlinks.
VER1=$(echo ${puppet_version} | awk -F "." '{print $1}')
VER2=$(echo ${puppet_version} | awk -F "." '{print $2}')
VER3=$(echo ${puppet_version} | awk -F "." '{print $3}')
major_version="${VER1}"
minor_version="${VER2}${VER3}"
cp "${puppet_root}/conf/osx/${PROTO_PLIST}" "${pkgtemp}"
sed -i '' "s/{SHORTVERSION}/${puppet_version}/g" "${pkgtemp}/${PROTO_PLIST}"
sed -i '' "s/{MAJORVERSION}/${major_version}/g" "${pkgtemp}/${PROTO_PLIST}"
sed -i '' "s/{MINORVERSION}/${minor_version}/g" "${pkgtemp}/${PROTO_PLIST}"
# We need to create a preflight script to remove traces of previous
# puppet installs due to limitations in Apple's pkg format.
mkdir "${pkgtemp}/scripts"
cp "${puppet_root}/conf/osx/${PREFLIGHT}" "${pkgtemp}/scripts"
# substitute in the sitelibdir specified above on the assumption that this
# is where any previous puppet install exists that should be cleaned out.
sed -i '' "s|{SITELIBDIR}|${SITELIBDIR}|g" "${pkgtemp}/scripts/${PREFLIGHT}"
chmod 0755 "${pkgtemp}/scripts/${PREFLIGHT}"
}
function create_package() {
rm -fr "$(pwd)/puppet-${puppet_version}.pkg"
echo "Building package"
echo "Note that packagemaker is reknowned for spurious errors. Don't panic."
"${PACKAGEMAKER}" --root "${pkgroot}" \
--info "${pkgtemp}/${PROTO_PLIST}" \
--scripts ${pkgtemp}/scripts \
--out "$(pwd)/puppet-${puppet_version}.pkg"
if [ $? -ne 0 ]; then
echo "There was a problem building the package."
cleanup_and_exit 1
exit 1
else
echo "The package has been built at:"
echo "$(pwd)/puppet-${puppet_version}.pkg"
fi
}
function cleanup_and_exit() {
if [ -d "${pkgroot}" ]; then
rm -fr "${pkgroot}"
fi
if [ -d "${pkgtemp}" ]; then
rm -fr "${pkgtemp}"
fi
exit $1
}
# Program entry point
function main() {
if [ $(whoami) != "root" ]; then
echo "This script needs to be run as root via su or sudo."
cleanup_and_exit 1
fi
find_installer
if [ ! "${installer}" ]; then
echo "Unable to find ${INSTALLRB}"
cleanup_and_exit 1
fi
find_puppet_root
if [ ! "${puppet_root}" ]; then
echo "Unable to find puppet repository root."
cleanup_and_exit 1
fi
pkgroot=$(mktemp -d -t puppetpkg)
if [ ! "${pkgroot}" ]; then
echo "Unable to create temporary package root."
cleanup_and_exit 1
fi
pkgtemp=$(mktemp -d -t puppettmp)
if [ ! "${pkgtemp}" ]; then
echo "Unable to create temporary package root."
cleanup_and_exit 1
fi
install_puppet
get_puppet_version
if [ ! "${puppet_version}" ]; then
echo "Unable to retrieve puppet version"
cleanup_and_exit 1
fi
prepare_package
create_package
cleanup_and_exit 0
}
main "$@"
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