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