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# Copyright 1999-2018 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
inherit user golang-build golang-vcs-snapshot
EGO_PN="github.com/prometheus/node_exporter"
EGIT_COMMIT="v${PV/_rc/-rc.}"
NODE_EXPORTER_COMMIT="d42bd70"
ARCHIVE_URI="https://${EGO_PN}/archive/${EGIT_COMMIT}.tar.gz -> ${P}.tar.gz"
KEYWORDS="amd64"
DESCRIPTION="Prometheus exporter for machine metrics"
HOMEPAGE="https://github.com/prometheus/node_exporter"
SRC_URI="${ARCHIVE_URI}"
LICENSE="Apache-2.0"
SLOT="0"
IUSE=""
DEPEND="dev-util/promu"
pkg_setup() {
enewgroup ${PN}
enewuser ${PN} -1 -1 -1 ${PN}
}
src_prepare() {
default
sed -i -e "s/{{.Revision}}/${NODE_EXPORTER_COMMIT}/" src/${EGO_PN}/.promu.yml || die
}
src_compile() {
pushd src/${EGO_PN} || die
mkdir -p bin || die
GOPATH="${S}" promu build -v --prefix node_exporter || die
popd || die
}
src_install() {
pushd src/${EGO_PN} || die
dobin node_exporter/node_exporter
dodoc {README,CHANGELOG,CONTRIBUTING}.md
popd || die
keepdir /var/lib/node_exporter /var/log/node_exporter
fowners ${PN}:${PN} /var/lib/node_exporter /var/log/node_exporter
newinitd "${FILESDIR}"/${PN}-1.initd ${PN}
newconfd "${FILESDIR}"/${PN}.confd ${PN}
}
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