#!/bin/bash

# Slackware build script for graphite-carbon

# 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.

PRGNAM=graphite-carbon
VERSION=${VERSION:-0.9.15}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

SRCNAM=carbon

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

CWD=$(pwd)
TMP=${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 ^graphite: /etc/passwd 2>&1 > /dev/null; then

cat << EOF

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

  # groupadd -g 299 graphite
  # useradd -u 299 -d /var/lib/graphite -s /bin/false -g graphite graphite

EOF

  exit
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
cd $SRCNAM-$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 {} \;

# Set some sane defaults
patch -p1 <$CWD/patches/carbon.conf.example.diff
# We don't have a RedHat system
patch -p1 <$CWD/patches/setup.cfg.diff
# Look for config file in /etc/carbon
patch -p1 <$CWD/patches/validate-storage-schemas.py.diff

python2 setup.py install --root=$PKG

# Need some dirs
mkdir -p $PKG/etc/{rc.d,logrotate.d} $PKG/var/{lib/graphite/whisper,log/carbon}
chown -R graphite:graphite $PKG/var/lib/graphite $PKG/var/log/carbon

# Install rc script
install -D -m0644 -oroot -groot $CWD/rc.carbon-cache \
  $PKG/etc/rc.d/rc.carbon-cache.new

# Logrotate script
install -D -m0644 -oroot -groot $CWD/graphite-carbon.logrotate \
  $PKG/etc/logrotate.d/graphite-carbon.new

# Configuration goes into /etc/carbon
mv $PKG/usr/conf $PKG/etc/carbon
for i in $PKG/etc/carbon/*.example ; do mv $i ${i/.example/.new} ; done

# Do we really want .py suffix in /usr/bin
for i in $PKG/usr/bin/*.py ; do mv $i ${i/.py/} ; done

# Cruft removal
rm -rf $PKG/usr/{storage,examples}

# Manpages thanks to Debian folks!
mkdir -p $PKG/usr/man
cp -r $CWD/man1 $PKG/usr/man
find $PKG/usr/man -type f -exec gzip -9 {} \;

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a LICENSE $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:-tgz}