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# 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}
: ${NETDATA_GROUP:=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 ${NETDATA_USER}:${NETDATA_GROUP} /var/log/netdata
fowners ${NETDATA_USER}:${NETDATA_GROUP} /var/cache/netdata
chown -Rc ${NETDATA_USER}:${NETDATA_GROUP} "${ED}"/usr/share/${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 system/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
}
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