#!/bin/bash

# Slackware build script for icinga2

# Copyright 2015  Mario Preksavec, Zagreb, Croatia
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=icinga2
VERSION=${VERSION:-2.13.2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

# Bail if user or group isn't valid on your system
if ! grep ^icinga: /etc/passwd 2>&1 > /dev/null; then

cat << EOF

  You must have icinga user and a group to run this script

  # groupadd -g 297 icinga
  # groupadd -g 298 icingacmd
  # useradd -u 297 -d /dev/null -s /bin/false -G icingacmd -g icinga icinga

EOF

  exit
fi

# Use MySQL by default
MYSQL=${MYSQL:-yes}
case "$MYSQL" in
  no) MYSQL="-DICINGA2_WITH_MYSQL=OFF" ;;
   *) MYSQL="" ;;
esac

# Don't use PGSQL by default
PGSQL=${PGSQL:-no}
case "$PGSQL" in
  no) PGSQL="-DICINGA2_WITH_PGSQL=OFF" ;;
   *) PGSQL="" ;;
esac

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/v$VERSION.tar.gz || tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_SYSCONFDIR=/etc \
    -DCMAKE_INSTALL_LOCALSTATEDIR=/var \
    -DCMAKE_INSTALL_MANDIR=/usr/man \
    -DCMAKE_INSTALL_DOCDIR=/usr/doc/$PRGNAM-$VERSION \
    $MYSQL \
    $PGSQL \
    -DCMAKE_BUILD_TYPE=Release ..
  make
  make install DESTDIR=$PKG
cd ..

# Where precision tools fail, the hammer succeeds
mv $PKG/usr/share/man $PKG/usr/man

# Dislexya is fun!
sed -e 's# >/dev/null 2&>1; # >/dev/null 2>&1; #' -i $PKG/usr/lib/icinga2/prepare-dirs

# Match config with monitoring-plugins, manubulon-snmp-plugins & nagios-plugins packages
sed -e 's#^\(const ManubulonPluginDir =\).*#\1 "/usr/libexec/manubulon-snmp-plugins"#' \
    -e 's#^\(const PluginDir =\).*#\1 "/usr/libexec/monitoring-plugins"#' \
    -e 's#^\(const PluginContribDir =\).*#\1 "/usr/libexec/nagios"#' \
    -i $PKG/etc/$PRGNAM/constants.conf

# Convert SYSV init script to BSD style
mv $PKG/etc/init.d $PKG/etc/rc.d
mv $PKG/etc/rc.d/$PRGNAM $PKG/etc/rc.d/rc.$PRGNAM

# Set permissions
chmod -R 0775 $PKG/var/{cache,log,lib,run,spool}/$PRGNAM
chown -R icinga:icinga $PKG/var/{cache,log,lib,run,spool}/$PRGNAM
chown icinga:icingacmd $PKG/var/{log/$PRGNAM,run/$PRGNAM/cmd}

# The logrotate script also needs some love
sed -e 's#service icinga2#/etc/rc.d/rc.icinga2#' \
    -i $PKG/etc/logrotate.d/$PRGNAM

# Finally, append .new to files
find $PKG/etc $PKG/usr/share/$PRGNAM -type f ! -name "README" -exec mv {} {}.new \;

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a INSTALL.md $CWD/README.SLACKWARE $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE