add sys-process/netdata

2016-04-05 09:22:26 +02:00
parent 85c2123560
commit 8f506ee01a
3 changed files with 130 additions and 0 deletions
--- a/sys-process/netdata/netdata-9999.ebuild
+++ b/sys-process/netdata/netdata-9999.ebuild
@@ -0,0 +1,114 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+inherit linux-info systemd user
+
+if [[ ${PV} == "9999" ]] ; then
+	EGIT_REPO_URI="git://github.com/firehol/${PN}.git"
+	inherit git-r3 autotools
+	SRC_URI=""
+	KEYWORDS=""
+else
+	SRC_URI="http://firehol.org/download/${PN}/releases/v${PV}/${P}.tar.xz"
+	KEYWORDS="~amd64 ~x86"
+fi
+
+
+DESCRIPTION="Linux real time system monitoring, done right!"
+HOMEPAGE="https://github.com/firehol/netdata http://netdata.firehol.org/"
+
+LICENSE="GPL-3+ MIT BSD"
+SLOT="0"
+IUSE="+compression nfacct nodejs"
+
+# most unconditional dependencies are for plugins.d/charts.d.plugin:
+RDEPEND="
+	>=app-shells/bash-4:0
+	net-misc/curl
+	net-misc/wget
+	virtual/awk
+	compression? ( sys-libs/zlib )
+	nfacct? (
+		net-firewall/nfacct
+		net-libs/libmnl
+	)
+	nodejs? (
+		net-libs/nodejs
+	)"
+
+DEPEND="${RDEPEND}
+	virtual/pkgconfig"
+
+# check for Kernel-Samepage-Merging (CONFIG_KSM)
+CONFIG_CHECK="
+	~KSM
+"
+
+: ${NETDATA_USER:=netdata}
+
+pkg_setup() {
+	linux-info_pkg_setup
+
+	enewgroup ${PN}
+	enewuser ${PN} -1 -1 / ${PN}
+}
+
+src_prepare() {
+	default
+	[[ ${PV} == "9999" ]] && eautoreconf
+}
+
+src_configure() {
+	econf \
+		--localstatedir=/var \
+		--with-user=${NETDATA_USER} \
+		$(use_enable nfacct plugin-nfacct) \
+		$(use_with compression zlib)
+}
+
+src_install() {
+	default
+
+	fowners ${NETDATA_USER} /var/log/netdata
+
+	chown -Rc ${NETDATA_USER} "${ED}"/usr/share/${PN} || die
+
+	cat >> "${T}"/${PN}-sysctl <<- EOF
+	kernel.mm.ksm.run = 1
+	kernel.mm.ksm.sleep_millisecs = 1000
+	EOF
+
+	dodoc "${T}"/${PN}-sysctl
+
+	newinitd system/netdata-openrc ${PN}
+	systemd_dounit "${FILESDIR}/netdata.service"
+}
+
+pkg_postinst() {
+	if [[ -e "/sys/kernel/mm/ksm/run" ]]; then
+		elog "INFORMATION:"
+		echo ""
+		elog "I see you have kernel memory de-duper (called Kernel Same-page Merging,"
+		elog "or KSM) available, but it is not currently enabled."
+		echo ""
+		elog "To enable it run:"
+		echo ""
+		elog "echo 1 >/sys/kernel/mm/ksm/run"
+		elog "echo 1000 >/sys/kernel/mm/ksm/sleep_millisecs"
+		echo  ""
+		elog "If you enable it, you will save 20-60% of netdata memory."
+	else
+		elog "INFORMATION:"
+		echo ""
+		elog "I see you do not have kernel memory de-duper (called Kernel Same-page"
+		elog "Merging, or KSM) available."
+		echo ""
+		elog "To enable it, you need a kernel built with CONFIG_KSM=y"
+		echo ""
+		elog "If you can have it, you will save 20-60% of netdata memory."
+	fi
+
+}