# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit systemd

MY_PN=${PN/-bin/}
MY_PV=${PV/_beta/-beta}

DESCRIPTION="Gorgeous metric viz, dashboards & editors for Graphite, InfluxDB & OpenTSDB"
HOMEPAGE="https://grafana.org"
SRC_URI="
amd64? (
	https://dl.grafana.com/oss/release/grafana-${PV}.linux-amd64.tar.gz -> ${P}.amd64.tar.gz
)
arm64? (
	https://dl.grafana.com/oss/release/grafana-${PV}.linux-arm64.tar.gz -> ${P}.arm64.tar.gz
)
"
S=${WORKDIR}/${MY_PN}-v${MY_PV}

LICENSE="AGPL-3"
SLOT="0"
KEYWORDS="-* ~amd64 ~arm64"
RESTRICT="mirror"

DEPEND="acct-group/grafana
	acct-user/grafana"
RDEPEND="${DEPEND}
	media-libs/fontconfig
	sys-libs/glibc"

QA_PREBUILT="usr/bin/grafana*"
QA_PRESTRIPPED=${QA_PREBUILT}

src_install() {
	keepdir /etc/grafana
	insinto /etc/grafana
	newins "${S}"/conf/sample.ini grafana.ini
	rm "${S}"/conf/sample.ini || die

	# Frontend assets
	insinto /usr/share/${MY_PN}
	doins -r public conf

	dobin bin/grafana-cli
	dobin bin/grafana
	dobin bin/grafana-server

	newconfd "${FILESDIR}"/grafana-r1.confd grafana
	newinitd "${FILESDIR}"/grafana.initd2 grafana
	systemd_newunit "${FILESDIR}"/grafana.service grafana.service

	keepdir /var/{lib,log}/grafana
	keepdir /var/lib/grafana/{dashboards,plugins}
	fowners grafana:grafana /var/{lib,log}/grafana
	fowners grafana:grafana /var/lib/grafana/{dashboards,plugins}
	fperms 0750 /var/{lib,log}/grafana
	fperms 0750 /var/lib/grafana/{dashboards,plugins}
}

pkg_postinst() {
	if [[ -z "${REPLACING_VERSIONS}" ]]; then
		# This is a new installation

		elog "${PN} has built-in log rotation. Please see [log.file] section of"
		elog "/etc/grafana/grafana.ini for related settings."
		elog
		elog "You may add your own custom configuration for app-admin/logrotate if you"
		elog "wish to use external rotation of logs. In this case, you also need to make"
		elog "sure the built-in rotation is turned off."
	fi
}