# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=6
inherit systemd user

DESCRIPTION="Nagios Remote Plugin Executor"
HOMEPAGE="https://github.com/NagiosEnterprises/nrpe"
SRC_URI="${HOMEPAGE}/releases/download/${P}/${P}.tar.gz"

LICENSE="GPL-2+"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~hppa ~ppc ~ppc64 ~sparc ~x86"
IUSE="command-args selinux ssl"

DEPEND="sys-apps/tcp-wrappers
	ssl? ( dev-libs/openssl:0 )"
RDEPEND="${DEPEND}
	|| ( net-analyzer/nagios-plugins net-analyzer/monitoring-plugins )
	selinux? ( sec-policy/selinux-nagios )"

pkg_setup() {
	enewgroup nagios
	enewuser nagios -1 /bin/bash /var/nagios/home nagios
}

src_configure() {
	econf \
		--libexecdir=/usr/$(get_libdir)/nagios/plugins \
		--localstatedir=/var/nagios \
		--sysconfdir=/etc/nagios \
		--with-nrpe-user=nagios \
		--with-nrpe-group=nagios \
		--with-piddir=/run \
		$(use_enable command-args) \
		$(use_enable ssl)
}

src_compile() {
	emake all
}

src_install() {
	default

	dodoc CHANGELOG.md SECURITY.md
	insinto /etc/nagios
	newins sample-config/nrpe.cfg nrpe.cfg
	fowners root:nagios /etc/nagios/nrpe.cfg
	fperms 0640 /etc/nagios/nrpe.cfg

	newinitd "startup/openrc-init" nrpe
	newconfd "startup/openrc-conf" nrpe
	systemd_newunit "startup/default-service" "${PN}.service"

	insinto /etc/xinetd.d/
	newins "${FILESDIR}/nrpe.xinetd.2" nrpe

	rm "${D}/usr/bin/nrpe-uninstall" || die 'failed to remove uninstall tool'
}

pkg_postinst(){
	elog 'Some users have reported incompatibilities between nrpe-2.x and'
	elog 'nrpe-3.x. We recommend that you use the same major version for'
	elog 'both your server and clients.'

	if use command-args ; then
		ewarn ''
		ewarn 'You have enabled command-args for NRPE. That lets clients'
		ewarn 'supply arguments to the commands that are run, and IS A'
		ewarn 'SECURITY RISK!'
		ewarn''
	fi
}