--- /dev/null
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit systemd user
+
+DESCRIPTION="Open Source, Distributed, RESTful, Search Engine"
+HOMEPAGE="https://www.elastic.co/products/elasticsearch"
+SRC_URI="https://artifacts.elastic.co/downloads/${PN}/${PN}-oss-${PV}.tar.gz"
+LICENSE="Apache-2.0 BSD-2 LGPL-3 MIT public-domain"
+SLOT="0"
+KEYWORDS="~amd64"
+
+RDEPEND="virtual/jre:1.8"
+
+pkg_setup() {
+ enewgroup ${PN}
+ enewuser ${PN} -1 /bin/bash /usr/share/${PN} ${PN}
+}
+
+src_prepare() {
+ default
+
+ rm -v bin/*.{bat,exe} LICENSE.txt || die
+}
+
+src_install() {
+ keepdir /etc/${PN}
+ keepdir /etc/${PN}/scripts
+
+ insinto /etc/${PN}
+ doins -r config/.
+ rm -rv config || die
+
+ fowners root:${PN} /etc/${PN}
+ fperms 2750 /etc/${PN}
+
+ insinto /usr/share/${PN}
+ doins -r .
+
+ exeinto /usr/share/${PN}/bin
+ doexe "${FILESDIR}/elasticsearch-systemd-pre-exec"
+
+ chmod +x "${ED}"/usr/share/${PN}/bin/* || die
+
+ keepdir /var/{lib,log}/${PN}
+ fowners ${PN}:${PN} /var/{lib,log}/${PN}
+ fperms 0750 /var/{lib,log}/${PN}
+ dodir /usr/share/${PN}/plugins
+
+ insinto /etc/sysctl.d
+ newins "${FILESDIR}/${PN}.sysctl.d" ${PN}.conf
+
+ newconfd "${FILESDIR}/${PN}.conf.3" ${PN}
+ newinitd "${FILESDIR}/${PN}.init.4" ${PN}
+
+ systemd_install_serviced "${FILESDIR}/${PN}.service.conf"
+ systemd_newtmpfilesd "${FILESDIR}/${PN}.tmpfiles.d" ${PN}.conf
+ systemd_newunit "${FILESDIR}"/${PN}.service.3 ${PN}.service
+}
+
+pkg_postinst() {
+ elog
+ elog "You may create multiple instances of ${PN} by"
+ elog "symlinking the init script:"
+ elog "ln -sf /etc/init.d/${PN} /etc/init.d/${PN}.instance"
+ elog
+ elog "Please make sure you put elasticsearch.yml, log4j2.properties and scripts"
+ elog "from /etc/${PN} into the configuration directory of the instance:"
+ elog "/etc/${PN}/instance"
+ elog
+ ewarn "Please make sure you have proper permissions on /etc/${PN}"
+ ewarn "prior to keystore generation or you may experience startup fails."
+ ewarn "chown root:${PN} /etc/${PN} && chmod 2750 /etc/${PN}"
+ ewarn "chown root:${PN} /etc/${PN}/${PN}.keystore && chmod 0660 /etc/${PN}/${PN}.keystore"
+}
--- /dev/null
+[Unit]
+Description=Elasticsearch
+Documentation=https://www.elastic.co
+Wants=network.target
+After=network.target
+
+[Service]
+Environment=ES_HOME=/usr/share/elasticsearch
+Environment=ES_PATH_CONF=/etc/elasticsearch
+Environment=DATA_DIR=/var/lib/elasticsearch
+Environment=LOG_DIR=/var/log/elasticsearch
+Environment=PID_DIR=/run/elasticsearch
+
+WorkingDirectory=/usr/share/elasticsearch
+
+User=elasticsearch
+Group=elasticsearch
+
+PermissionsStartOnly=true
+ExecStartPre=/usr/share/elasticsearch/bin/elasticsearch-systemd-pre-exec
+
+ExecStart=/usr/share/elasticsearch/bin/elasticsearch \
+ -p ${PID_DIR}/elasticsearch.pid \
+ -Epath.logs=${LOG_DIR} \
+ -Epath.data=${DATA_DIR}
+
+StandardOutput=journal
+StandardError=inherit
+
+# Specifies the maximum file descriptor number that can be opened by this process
+LimitNOFILE=65536
+
+# Specifies the maximum number of bytes of memory that may be locked into RAM
+# Set to "infinity" if you use the 'bootstrap.memory_lock: true' option
+# in elasticsearch.yml and 'MAX_LOCKED_MEMORY=unlimited' in /etc/conf.d/elasticsearch
+#LimitMEMLOCK=infinity
+
+# Disable timeout logic and wait until process is stopped
+TimeoutStopSec=0
+
+# SIGTERM signal is used to stop the Java process
+KillSignal=SIGTERM
+
+# Java process is never killed
+SendSIGKILL=no
+
+# When a JVM receives a SIGTERM signal it exits with code 143
+SuccessExitStatus=143
+
+[Install]
+WantedBy=multi-user.target