# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

inherit eutils webapp toolchain-funcs gnuconfig

#MY_P=${PN/-core}-${PV/_}
DESCRIPTION="Zenoss Core is an enterprise-grade network and systems monitoring product"
HOMEPAGE="http://www.zenoss.com"
SRC_URI="http://prdownloads.sourceforge.net/zenoss/zenoss-${PV}.tar.gz"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="-x86"
IUSE="prebundle"

ZEN_DIR="/usr/zenoss"
ZEN_HOME="/home/zenoss"

zenuid="zenoss"
zenpass="zenoss"
zengid="zenoss"
zendb="events"
host="localhost"

RDEPEND=">=dev-db/mysql-5.0.22
		>=dev-lang/python-2.3.4
		!prebundle? (
			<net-zope/zope-3
			>=dev-python/epydoc-2.1
			>=media-libs/freetype-2.1.9
			>=media-gfx/graphviz-2.8
			>=media-libs/libart_lgpl-2.3.17
			media-libs/libpng
			>=net-libs/libsmi-0.4.5
			>=net-analyzer/nagios-plugins-1.4.3
			dev-python/pycrypto
			>=dev-python/pydot-0.9.10
			>=dev-python/pyparsing-1.4.3
			>=net-analyzer/rrdtool-1.2.11
			>=net-dialup/sendpage-1.000001
			>=dev-python/twisted-2.4.0
			>=dev-python/simplejson-1.4
			>=yapps-2.1.1
			=twistedsnmp-0.3.13
			=dev-python/pysnmp-3.4.3
			=dev-python/mysql-python-1.2.0-r1)"
			# twistedsnmp, pysnmp and mysql-python ebuilds
			# are patched with zenoss-patches, and are in this stage
			# tied to specific versions. 

DEPEND="sys-devel/make
        >=app-admin/zope-config-0.5"


pkg_setup() {

	# check useflags
	if use prebundle; then
		einfo
		einfo "You are building Zenoss with the pre-bundled dependencies."
		einfo
	else
		einfo
		einfo "You are building Zenoss with native dependencies."
		einfo	
	fi

	ewarn "Make sure there are no stray Zenoss processes running!"
	einfo

	einfo "Creating a new Zope instance..."
	einfo
	# deduce the zope lib dir, use last found
	local zopedir="$(/bin/ls -d /usr/lib/zope* | tail -n 1)"
	zope-config --zserv=${zopedir} --zinst=${ZEN_DIR} --zgid=${zengid} \
	--zuid=${zenuid} --zinituser &>/dev/null

	[ $? -eq 1 ] && einfo "Failed to create the Zope instance." && exit 1

	elog "New Zope instance 'zenoss' created to $ZEN_DIR."
	einfo

	# this also creates /etc/init.d/zenoss, zenuser, zenhome


	# enewuser <user> [uid] [shell] [homedir] [groups] [params]
	#enewuser zenoss -1 /bin/bash "${ZEN_HOME}" 
	# enewuser doesn't create the home under ${D}??!


# NAGIOS -----------


#	sed -i -e 's/^contactgroups$//g' Makefile
#
#	make DESTDIR=${D} install
#	make DESTDIR=${D} install-config
#	make DESTDIR=${D} install-commandmode
#
#	docinto sample-configs
#	dodoc ${D}/etc/nagios/*
#	rm ${D}/etc/nagios/*
#
#	newdoc ${WORKDIR}/nagios-2.0b.cfg-sample nagios.cfg-sample
#
#	#contribs are not configured by the configure script, we'll configure them overselves...
#	find ${S}/contrib/ -type f | xargs sed -e 's:/usr/local/nagios/var/rw:/var/nagios/rw:;
#						s:/usr/local/nagios/libexec:/usr/nagios/libexec:;
#						s:/usr/local/nagios/etc:/etc/nagios:;
#						s:/usr/local/nagios/sbin:/usr/nagios/sbin:;' -i
#
#	insinto /usr/share/doc/${PF}/contrib
#	doins -r contrib/eventhandlers
#
#	exeinto /etc/init.d
#	doexe ${FILESDIR}/nagios
#
#	insinto /etc/conf.d
#	newins ${FILESDIR}/conf.d nagios
#
#	chmod 644 ${S}/contrib/*.cgi
#	into /usr/nagios
#	for bin in `find contrib/ -type f -perm 0755 -maxdepth 1` ; do
#		dobin $bin
#	done
#
#	# Apache Module
#	if use !noweb; then
#		if use apache2; then
#			insinto ${APACHE2_MODULES_CONFDIR}
#			doins ${FILESDIR}/99_nagios.conf
#		else
#			insinto ${APACHE1_MODULES_CONFDIR}
#			doins ${FILESDIR}/nagios.conf
#		fi
#		if use perl; then
#			into /usr/nagios ; dosbin contrib/traceroute.cgi
#		fi
#	fi
#
#	for dir in etc/nagios usr/nagios var/nagios ; do
#		chown -R nagios:nagios ${D}/${dir} || die "Failed chown of ${D}/${dir}"
#	done
#
#	keepdir /etc/nagios
#	keepdir /var/nagios
#	keepdir /var/nagios/archives
#	keepdir /usr/nagios/share/ssi
#	keepdir /var/nagios/rw
#
#	if use noweb; then
#		chown -R nagios:nagios ${D}/var/nagios/rw || die "Failed Chown of ${D}/var/nagios/rw"
#	else
#		chown -R nagios:apache ${D}/var/nagios/rw || die "Failed Chown of ${D}/var/nagios/rw"
#	fi
#
#	chmod ug+s ${D}/var/nagios/rw || die "Failed Chmod of ${D}/var/nagios/rw"
#	chmod 0750 ${D}/etc/nagios || die "Failed chmod of ${D}/etc/nagios"
}

src_unpack() {

	unpack ${A}
	cd ${S}
	epatch ${FILESDIR}/GNUmakefile.patch
	
	# unpack libzenoss (to $S)
	for i in Products bin ; do
		tar -xzf libzenoss/$i.tar.gz 
	done

}

#src_compile() {
#	local myconf
#
#	if use perl
#	then
#		myconf="${myconf} --enable-embedded-perl --with-perlcache"
#	fi
#
#	if use debug; then
#		myconf="${myconf} --enable-DEBUG0"
#		myconf="${myconf} --enable-DEBUG1"
#		myconf="${myconf} --enable-DEBUG2"
#		myconf="${myconf} --enable-DEBUG3"
#		myconf="${myconf} --enable-DEBUG4"
#		myconf="${myconf} --enable-DEBUG5"
#	fi
#
#	if use noweb; then
#		myconf="${myconf} --with-command-grp=nagios"
#	else
#		myconf="${myconf} --with-command-grp=apache"
#	fi
#
#	./configure ${myconf} \
#		--host=${CHOST} \
#		--prefix=/usr/nagios \
#		--localstatedir=/var/nagios \
#		--sysconfdir=/etc/nagios \
#		--infodir=/usr/share/info \
#		--mandir=/usr/share/man \
#		${myconf} || die "./configure failed"
#
#	emake CC=$(tc-getCC) nagios || die "make failed"
#
#	if use !noweb ; then
#		# Only compile the CGI's if "noweb" useflag is not set.
#		make CC=$(tc-getCC) DESTDIR=${D} cgis || die
#	fi
#
#	emake -C contrib all || "contrib make filed"
#
#}

src_compile() {

	if use prebundle; then # build as the installer script would do it;
	                       # use the bundled dependencies
		S="${WORKDIR}/${P}"
		cd ${S}

		einfo "Following the bundled install script -"
		ewarn "This may cause sandbox to get alarmed."
		ewarn

		# replicate the install script
		. build-functions.sh
		. install-functions.sh

		set_vars
		# set other internal variables
		MYSQLEVENTDB="$zendb"
		MYSQLUSER="$zenuid"
		MYSQLPASS="$zenpass"
		ZOPEPASSWD="$zenpass"
		ZENHOME=${ZEN_DIR}
		ZOPEHOME=${ZENHOME}

		#set_make
		#set_mysql

		# performs safety checks to make sure the environment is good for install:
		check_preexist      # handle situation where installation already exists
		check_perf          # preserve performance data
		check_mysql         # make sure that variables are set and directories exist
		check_mysql_config  # make sure mysql development environment exists

		# purge the last backup
		purge_backup


		elog "Zenoss will now start compiling. Note that the Zenoss package"
		elog "comes with pre-bundled dependencies, therefore the install"
		elog "is a rather long a process."
		elog

		emake CC=$(tc-getCC) \
			ZOPEPASSWORD="$ZOPEPASSWORD" \
			PYTHON=$PYTHON \
			ZENHOME=$ZENHOME \
			DESTDIR=$DESTDIR \
			SVNTAG=$SVNTAG || die "make failed"

		einfo
		elog "Build successful. :)"
		elog

	fi

}

src_install() {

	# create install directories
	dodir ${ZEN_DIR}
	into ${ZEN_DIR}

	if ! use prebundle; then # unpack the Zenoss core Product

		einfo "Installing Zenoss binaries"
		dobin bin/*

		einfo "Installing Zenoss Products"
		# if doins cannot copy recursively, cp
		#insinto "${ZEN_DIR}/Products"
		#doins Products/*
		cp -r "${S}/Products" "${D}/${ZEN_DIR}"

		einfo "Installing configuration files"
		insinto /etc/zenoss/
		doins conf/*

	fi

	# Set environment variables in the zenoss user environment
	echo -e "#!/usr/bin/env bash" "\n" \
	        "export ZENHOME=${ZEN_DIR}" "\n" \
	        'export PYTHONPATH=${ZENHOME}/lib/python' "\n" \
	        'export PATH=${ZENHOME}/bin:${PATH}' > "${S}/.bashrc"

	insinto "${ZEN_HOME}"
	doins "${S}/.bashrc"
	#ZEN_BASHRC="${D}/${ZEN_HOME}/.bashrc"



	# install docs
	dodoc ${S}/*.txt
	cd ${S}/docs
	dodoc Zenoss*
	# the directories below contain jpg, doc and pdf files.
	# any way to get them recursively into docdir and not gzipped?
	docinto Admin_Guide_1.0_Screens
	dodoc Admin_Guide_1.0_Screens/*
	docinto QuickStartGuide-1.0
	dodoc QuickStartGuide-1.0/Zenoss*
	docinto QuickStartGuide-1.0/QuickStartScreens
	dodoc QuickStartGuide-1.0/QuickStartScreens/*

}

pkg_postinst() {

	if ! use prebundle; then

		# create database entries
		einfo "Creating database entries..."
		webapp_sqlscript mysql ${FILESDIR}/mysql-setup.sql
		#create_database


	else # finish as the installer script would do it;

		S="${WORKDIR}/${P}"
		cd ${S}

		# load functions
		. build-functions.sh
		. install-functions.sh

		# load the events database with some initial data
		run_zeneventbuild

		# create a zope instance for zenoss
		#run_mkzopeinstance

		# create the zeodb 
		run_mkzeoinstance

		# start up zeodb
		start_zeodb

		# wait for processes to start up
		sleep 2

		# populate the zeodb
		run_zenbuild

	fi

	chown zenoss -R ${D}/${ZEN_DIR}

}


pkg_postrm() {
	elog
	elog "The daemons zenping zendisc and zensyslog need to be started as root."
	elog "To do so add the following to your /etc/sudoers."
	elog
	elog "${zenuid} $(hostname) = NOPASSWD:	${ZEN_DIR}/bin/python,/bin/kill"
	elog
	elog "If you have env_reset setup in your sudoers file make sure that"
	elog "PYTHONPATH and ZENHOME get passed properly by doing the following"
	elog
	elog "Defaults env_keep += \"PYTHONPATH ZENHOME\""
	elog
	elog "You are adviced to look into /etc/zenoss/sudoers."
	elog

#This script will create several tables as well as a trigger
#to move events from status -> history on deletion.  This
#trigger requires "SUPER" permission which is granted to root
#by default (but can be granted to other users manually).

	elog
	elog "There seems to be a problem with clustering and the \"in"
	elog "memory\" table zenoss uses for active events.  For now,"
	elog "please use a single mysql instance."
	elog
	elog "Access the Zenoss portal"
	elog "------------------------"
	elog "By default, the zenoss web server will listen on port 8080."
	elog "This can changed by modifying $ZEN_DIR/etc/zope.conf and other"
	elog "references to the port number in deamon configs."
	elog	
	elog "Go to url http://$(hostname):8080/zenoss/dmd"
	elog "Use the username ($zenuid) and password ($zenpass)."
	elog
	elog "If you want zenoss to start at boot time"
	elog "remember to execute:"
	elog "  rc-update add zenoss default"
	elog

}