#!/bin/sh
# $Id$
# Copyright (c) 2007 Eric Hameleers <alien@slackware.com>
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:        Eric Hameleers <alien@slackware.com>
# For:       heartbeat
# Descr:     Heartbeat subsystem for High-Availability Linux
# URL:       http://linux-ha.org/Heartbeat
# Needs:     libnet
# Changelog:
# 2.0.8-1:   12/Jan/2007 by Eric Hameleers <alien@slackware.com>
#            * Initial build.
# 
# Run 'sh heartbeat.SlackBuild --cleanup' to build a Slackware package.
# The package (.tgz) plus descriptive .txt file are created in /tmp .
# Install using 'installpkg'. 
#
# -----------------------------------------------------------------------------

# --- INIT ---
# Set initial variables:

PRGNAM=heartbeat
VERSION=${VERSION:-2.0.8}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}

# the user:group "hacluster:haclient" uses the id's "90:90" in the RPMs that
# Heartbeat creates. Try to keep to the sames idnumbers here:
HUID=90
HGID=90

# Not used, heartbeat's build script does it well enough:
#DOCS=""

# Where do we look for sources?
CWD=`pwd`
SRCDIR=`dirname $0`
[ "${SRCDIR:0:1}" == "." ] && SRCDIR=${CWD}/${SRCDIR}

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# Input URL: http://linux-ha.org/download/heartbeat-2.0.8.tar.gz
SOURCE="$SRCDIR/${PRGNAM}-${VERSION}.tar.gz"
SRCURL="http://linux-ha.org/download/${PRGNAM}-${VERSION}.tar.gz"

##
## --- with a little luck, you won't have to edit below this point --- ##
##

# Exit the script on errors:
set -e
trap 'echo "$0 FAILED at line $LINENO!" | tee $OUTPUT/error-${PRGNAM}.log' ERR
# Catch unitialized variables:
set -u
P1=${1:-1}

# Slackware 11 and up need other option (gcc > 3.3.x)
if [ `gcc -dumpversion | tr -d  '.' |cut -c 1-2` -gt 33 ]; then
  MOPT=tune
else
  MOPT=cpu
fi

case "$ARCH" in
  i386)      SLKCFLAGS="-O2 -march=i386 -m${MOPT}=i686"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  i486)      SLKCFLAGS="-O2 -march=i486 -m${MOPT}=i686"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  s390)      SLKCFLAGS="-O2"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  powerpc)   SLKCFLAGS="-O2"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  x86_64)    SLKCFLAGS="-O2 -fPIC"
             SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"
             ;;
  athlon-xp) SLKCFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
esac

if [ ! -d $TMP/tmp-$PRGNAM ]; then
  mkdir -p $TMP/tmp-$PRGNAM # location to build the source
elif [ "$P1" != "--oldbuild" ]; then
  # If the "--oldbuild" parameter is present, we keep
  #  the old build files and continue;
  # By default we remove the remnants of previous build and continue:
  rm -rf $TMP/tmp-$PRGNAM/*
fi

if [ ! -d $PKG ]; then
  mkdir -p $PKG  # place for the package to be built
else
  rm -rf $PKG/*  # We always erase old package's contents:
fi

if [ ! -d $OUTPUT ]; then
  mkdir -p $OUTPUT  # place for the package to be saved
fi


# --- SOURCE FILE AVAILABILITY ---

if ! [ -f ${SOURCE} ]; then
  if ! [ "x${SRCURL}" == "x" ]; then
    # Check if the $SRCDIR is writable at all - if not, download to $OUTPUT
    [ -w "$SRCDIR" ] || SOURCE="$OUTPUT/`basename $SOURCE`"
    echo "Source '`basename ${SOURCE}`' not available yet..."
    echo "Will download file to `dirname $SOURCE`"
    wget -nv -O "${SOURCE}" "${SRCURL}" || true
    if [ $? -ne 0 ]; then
      echo "Downloading '`basename ${SOURCE}`' failed... aborting the build."
      mv -f "${SOURCE}" "${SOURCE}".FAIL
      exit 1
    fi
  else
    echo "File '`basename ${SOURCE}`' not available... aborting the build."
    exit 1
  fi
fi

if [ "$P1" == "--download" ]; then
  echo "Download complete."
  exit 0
fi

# --- PACKAGE BUILDING ---

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"

cd $PKG

# Explode the package framework:
if [ -f $SRCDIR/_$PRGNAM.tar.gz ]; then
  explodepkg $SRCDIR/_$PRGNAM.tar.gz
fi

cd $TMP/tmp-$PRGNAM


# --- TARBALL EXTRACTION,PATCH,MODIFY ---

echo "Extracting the source archive(s) for $PRGNAM..."
if `file ${SOURCE} | grep -q ": bzip2"`; then
  tar -xjvf ${SOURCE}
elif `file ${SOURCE} | grep -qi ": zip"`; then
  unzip ${SOURCE}
elif `file ${SOURCE} | grep -qi ": 7-zip"`; then
  7za -x ${SOURCE}
else
  tar -xzvf ${SOURCE}
fi
if [ -d ${PRGNAM}-${VERSION} ]; then
  cd ${PRGNAM}-${VERSION}
else
  cd  ${PRGNAM}*  # a little less specific
fi

chown -R root.root *
chmod -R u+w,go+r-w,a-s .


# --- BUILDING ---

echo Building ...

LDFLAGS="$SLKLDFLAGS" \
CFLAGS="$SLKCFLAGS" \
./configure --prefix=/usr \
            --libdir=/usr/lib${LIBDIRSUFFIX} \
            --localstatedir=/var \
            --sysconfdir=/etc \
            --with-group-id=${HGID} --with-ccmuser-id=${HUID} \
            --enable-snmp \
            --enable-bundled_ltdl \
            --with-initdir=/etc/rc.d
            --program-prefix="" \
            --program-suffix="" \
            $ARCH-slackware-linux \
            2>&1 | tee $OUTPUT/configure-${PRGNAM}.log
            # The management GUI needs PAM and GnuTLS...
            #--enable-mgmt \

make 2>&1 | tee $OUTPUT/make-${PRGNAM}.log

#
# Install all the needed stuff to the package dir
#
# Use installwatch if available, to produce a logfile of the installation
# process that is more easily readable:
if `which installwatch  > /dev/null 2>&1`; then
  installwatch -o $OUTPUT/install-${PRGNAM}.log make DESTDIR=$PKG install
else
  make DESTDIR=$PKG install 2>&1 |tee $OUTPUT/install-${PRGNAM}.log
fi

# Add a symlink for ldirectord
ln -s /sbin/ldirectord $PKG/etc/ha.d/resource.d/ldirectord

# Create Slackware rc script names:
mv $PKG/etc/rc.d/heartbeat $PKG/etc/rc.d/rc.heartbeat.new
mv $PKG/etc/rc.d/ldirectord $PKG/etc/rc.d/rc.ldirectord.new

# Add this to the doinst.sh
! [ -d $PKG/install ] && mkdir -p $PKG/install
cat <<EOINS >> $PKG/install/doinst.sh
# Handle the incoming configuration files:
config() {
  for infile in \$1; do
    NEW="\$infile"
    OLD="\`dirname \$NEW\`/\`basename \$NEW .new\`"
    # If there's no config file by that name, mv it over:
    if [ ! -r \$OLD ]; then
      mv \$NEW \$OLD
    elif [ "\`cat \$OLD | md5sum\`" = "\`cat \$NEW | md5sum\`" ]; then
      # toss the redundant copy
      rm \$NEW
    fi
    # Otherwise, we leave the .new copy for the admin to consider...
  done
}

config etc/rc.d/rc.heartbeat.new
config etc/rc.d/rc.ldirectord.new

# Create heartbeat user/group :
if chroot . getent group haclient >/dev/null
then
  : OK group haclient already present
else
  GROUPOPT="-g $HGID"
  if chroot . groupadd \$GROUPOPT haclient 2>/dev/null
  then
    : OK we were able to add group haclient
  else
    chroot . groupadd haclient
  fi
fi

if chroot . getent passwd hacluster >/dev/null
then
  : OK user hacluster already present
else
  USEROPT="-g haclient -u $HUID -d /var/lib/heartbeat/cores/hacluster"
  if chroot . useradd \$USEROPT hacluster 2>/dev/null
  then
    : OK we were able to add user hacluster
  else
    chroot . useradd hacluster
  fi
fi

# Now, set the correct permissions on the installed stuff:
chown root: /var/lib/heartbeat/cores/root
chmod 0700 /var/lib/heartbeat/cores/root

chown nobody: /var/lib/heartbeat/cores/nobody
chmod 0700 /var/lib/heartbeat/cores/nobody

chown hacluster: /var/lib/heartbeat/cores/hacluster
chmod 0700 /var/lib/heartbeat/cores/hacluster

chown hacluster:haclient /usr/bin/cl_status
chmod 2555 /usr/bin/cl_status

chown hacluster:haclient /var/run/heartbeat/ccm
chmod 750 /var/run/heartbeat/ccm

chown hacluster:haclient /var/run/heartbeat/crm
chmod 750 /var/run/heartbeat/crm

chown hacluster:haclient /var/lib/heartbeat/pengine
chmod 750 /var/lib/heartbeat/pengine

EOINS


# --- DOCUMENTATION ---

mv $PKG/usr/share/doc $PKG/usr/
chmod -R a-w $PKG/usr/doc/$PRGNAM-$VERSION/*

# Move incorrectly installed man pages, if any
[ -d $PKG/usr/share/man ] && \
  mv $PKG/usr/share/man $PKG/usr/ && rmdir $PKG/usr/share || true
# Compress the man page(s)
if [ -d $PKG/usr/man ]; then
  find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;
  for i in `find $PKG/usr/man -type l -name "*.?"` ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
fi
rmdir $PKG/usr/share || true

# Strip binaries
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)


# --- OWNERSHIP, RIGHTS ---

chmod -R o-w $PKG


# --- PACKAGE DESCRIPTION ---

mkdir -p $PKG/install
cat $SRCDIR/slack-desc > $PKG/install/slack-desc
if [ -f $SRCDIR/doinst.sh ]; then
  cat $SRCDIR/doinst.sh >> $PKG/install/doinst.sh
fi
if [ -f $SRCDIR/slack-required ]; then
  cat $SRCDIR/slack-required > $PKG/install/slack-required
fi


# --- BUILDING ---

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.tgz \
  2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log
(cd $OUTPUT && md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.tgz > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.tgz.md5)
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.txt
if [ -f $PKG/install/slack-required ]; then
  cat $PKG/install/slack-required > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.dep
fi


# --- CLEANUP ---

# Clean up the extra stuff:
if [ "$P1" = "--cleanup" ]; then
  rm -rf $TMP/tmp-$PRGNAM
  rm -rf $PKG
fi