# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/app-emulation/libvirt/libvirt-0.7.6-r1.ebuild,v 1.3 2010/02/12 12:36:21 flameeyes Exp $

BACKPORTS=

EAPI="2"

inherit eutils python

DESCRIPTION="C toolkit to manipulate virtual machines"
HOMEPAGE="http://www.libvirt.org/"
SRC_URI="http://libvirt.org/sources/${P}.tar.gz
	${BACKPORTS:+mirror://gentoo/${P}-backports-${BACKPORTS}.tar.bz2}"
LICENSE="LGPL-2.1"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="avahi caps iscsi +libvirtd lvm +lxc +network nfs nls numa openvz \
	parted phyp policykit python qemu sasl selinux uml virtualbox xen udev"
# IUSE=one : bug #293416 & bug# 299011

# Some tests are simply broken in the released tarball, ignore them
# for now.
RESTRICT=test

RDEPEND="sys-libs/readline
	sys-libs/ncurses
	>=net-misc/curl-7.18.0
	>=dev-libs/libxml2-2.7.6
	>=net-libs/gnutls-1.0.25
	dev-lang/python
	sys-fs/sysfsutils
	sys-apps/util-linux
	>=net-analyzer/netcat6-1.0-r2
	avahi? ( >=net-dns/avahi-0.6[dbus] )
	caps? ( sys-libs/libcap-ng )
	iscsi? ( sys-block/open-iscsi )
	libvirtd? ( net-misc/bridge-utils )
	lvm? ( >=sys-fs/lvm2-2.02.48-r2 )
	nfs? ( net-fs/nfs-utils )
	numa? ( sys-process/numactl )
	openvz? ( sys-kernel/openvz-sources )
	parted? ( >=sys-apps/parted-1.8 )
	phyp? ( net-libs/libssh2 )
	policykit? ( >=sys-auth/polkit-0.9 )
	qemu? ( || ( app-emulation/qemu-kvm >=app-emulation/qemu-0.10.0 ) )
	sasl? ( dev-libs/cyrus-sasl )
	selinux? ( sys-libs/libselinux )
	virtualbox? ( || ( >=app-emulation/virtualbox-ose-2.2.0 >=app-emulation/virtualbox-bin-2.2.0 ) )
	xen? ( app-emulation/xen-tools app-emulation/xen )
	udev? ( >=sys-fs/udev-145 >=x11-libs/libpciaccess-0.10.9 )"
# one? ( dev-libs/xmlrpc-c )
DEPEND="${RDEPEND}
	dev-util/pkgconfig
	nls? ( sys-devel/gettext )"

src_prepare() {
	[[ -n ${BACKPORTS} ]] && \
		EPATCH_SUFFIX="patch" EPATCH_SOURCE="${S}/patches" epatch

	epatch "${FILESDIR}"/${P}-virt-pki-validate-sysconfdir.patch
}

src_configure() {
	local myconf=""

	## enable/disable daemon, otherwise client only utils
	myconf="${myconf} $(use_with libvirtd)"

	## enable/disable the daemon using avahi to find VMs
	myconf="${myconf} $(use_with avahi)"

	## hypervisors on the local host
	myconf="${myconf} $(use_with xen) $(use_with xen xen-inotify)"
	if ! use policykit && use xen; then
		myconf="${myconf} --with-xen-proxy"
	fi
	myconf="${myconf} $(use_with openvz)"
	myconf="${myconf} $(use_with lxc)"
	myconf="${myconf} $(use_with virtualbox vbox)"
	myconf="${myconf} $(use_with uml)"
	myconf="${myconf} $(use_with qemu)"
	# doesn't belong with hypervisors but links to libvirtd for some reason
	#myconf="${myconf} $(use_with one)"

	## hypervisor protocols
	myconf="${myconf} $(use_with phyp)"
	myconf="${myconf} --with-esx"

	## additional host drivers
	myconf="${myconf} $(use_with network)"
	myconf="${myconf} --with-storage-fs"
	myconf="${myconf} $(use_with lvm storage-lvm)"
	myconf="${myconf} $(use_with iscsi storage-iscsi)"
	myconf="${myconf} $(use_with parted storage-disk)"
	myconf="${myconf} $(use_with lvm storage-mpath)"
	myconf="${myconf} $(use_with numa numactl)"
	myconf="${myconf} $(use_with selinux)"

	# udev for device support details
	myconf="${myconf} $(use_with udev)"

	# linux capability support so we don't need privileged accounts
	myconf="${myconf} $(use_with caps capng)"

	## auth stuff
	myconf="${myconf} $(use_with policykit polkit)"
	myconf="${myconf} $(use_with sasl)"

	## other
	myconf="${myconf} $(use_enable nls)"
	myconf="${myconf} $(use_with python)"

	## stuff we don't yet support
	myconf="${myconf} --without-netcf"

	# we use udev over hal
	myconf="${myconf} --without-hal"

	# this is a nasty trick to work around the problem in bug
	# #275073. The reason why we don't solve this properly is that
	# it'll require us to rebuild autotools (and we don't really want
	# to do that right now). The proper solution has been sent
	# upstream and should hopefully land in 0.7.7, in the mean time,
	# mime the same functionality with this.
	case ${CHOST} in
		*cygwin* | *mingw* )
			;;
		*)
			ac_cv_prog_WINDRES=no
			;;
	esac

	econf \
		${myconf} \
		--disable-static \
		--docdir=/usr/share/doc/${PF} \
		--with-remote \
		--localstatedir=/var \
		--with-remote-pid-file=/var/run/libvirtd.pid
}

src_test() {
	# Explicitly allow parallel build of tests
	emake check || die "tests failed"
}

src_install() {
	emake install \
		DESTDIR="${D}" \
		HTML_DIR=/usr/share/doc/${PF}/html \
		DOCS_DIR=/usr/share/doc/${PF}/python \
		EXAMPLE_DIR=/usr/share/doc/${PF}/python/examples \
		|| die "emake install failed"

	newinitd "${FILESDIR}/libvirtd.init" libvirtd || die
	newconfd "${FILESDIR}/libvirtd.confd" libvirtd || die

	keepdir /var/lib/libvirt/images

	find "${D}" -name '*.la' -delete || die
}

pkg_preinst() {
	# we only ever want to generate this once
	if [[ -e "${ROOT}"/etc/libvirt/qemu/networks/default.xml ]]; then
		rm -rf "${D}"/etc/libvirt/qemu/networks/default.xml
	fi
}

pkg_postinst() {
	use python && python_mod_optimize $(python_get_sitedir)/libvirt.py

	elog
	if use policykit; then
		elog "You must have run the following at least once:"
		elog
		elog "$ polkit-auth --grant org.libvirt.unix.manage --user \"USERNAME\""
		elog
		elog "to grant USERNAME access to libvirt when using USE=policykit"
	else
		elog "To allow normal users to connect to libvirtd you must change the"
		elog " unix sock group and/or perms in /etc/libvirt/libvirtd.conf"
	fi
	elog
	elog "For the basic networking support (bridged and routed networks)"
	elog "you don't need any extra software. For more complex network modes"
	elog "including but not limited to NATed network, you'll need the"
	elog "following packages":
	elog
	elog "	net-dns/dnsmasq"
	elog "	net-firewall/iptables"
	elog "	net-firewall/ebtables"
	elog
	if has_version net-dns/dnsmasq; then
		ewarn "If you have a DNS server setup on your machine, you will have"
		ewarn "to configure /etc/dnsmasq.conf to enable the following settings: "
		ewarn " bind-interfaces"
		ewarn " interface or except-interface"
		ewarn
		ewarn "Otherwise you might have issues with your existing DNS server."
	fi
}

pkg_postrm() {
	use python && python_mod_cleanup
}