add sys-process/netdata

sys-process/netdata/Manifest

@@ -0,0 +1,2 @@
+AUX netdata.service 294 SHA256 b372e4ee311532a7c83831c37ab06c7e6d94f1d2a90a8e553ab40e5b173012d1 SHA512 49643f1304cc6469c18f219f033dc0e6c420f60ab2e0b7dc453d9d7e21dc78c860d5b6186ff382e4551da65827613a2cd68ab1ce98d556670d9bad0ba43af0b9 WHIRLPOOL afd3fcc51849a915aacee1d6a208bddd41ebc713bc7372185fb8f6e087e93fcd6f338875dcd22e49fadda0a846e0a83d408a77e163f4418f6c51ad2ee95c5049
+EBUILD netdata-9999.ebuild 2435 SHA256 86b2098183bbf340bc6d65aa0ef2651872c2686927df33bc6b5173b249259ee8 SHA512 e7d65d07dd7ec1d97cc55289140f918d203ef60cca201414f02f039638307991dfa95f8733afaef56beb0dc8ba005a0ef3b71d999c8c60ffe7484c07ec3980a6 WHIRLPOOL e451cfa5c279bc36acb8bc8f41e5529acd2e7d9a945357d671221a112b307ba666936ef69ac244f6eca3556c6edcae17cfaec736b6e682eceb6393625355e0ce

sys-process/netdata/files/netdata.service

@@ -0,0 +1,14 @@
+[Unit]
+Description=netdata
+After=network.target httpd.service squid.service nfs-server.service mysqld.service named.service postfix.service
+
+[Service]
+Type=simple
+WorkingDirectory=/tmp
+User=root
+Group=root
+ExecStart=/usr/sbin/netdata -nd
+TimeoutStopSec=30
+
+[Install]
+WantedBy=multi-user.target

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
+
+}