Added elasticsearch 5.6.8; configured systemd service

Makefile

 all: jdk13
 
-jdk13:
+jdk13: useradd elasticsearch-service
 	tar xf elasticsearch-7.6.0.tar.gz
 
 	dd if=/dev/zero of=swap bs=1048576 count=1024
@@ -11,13 +11,22 @@ jdk13:
 	cd elasticsearch-7.6.0 && GRADLE_USER_HOME=$$(pwd)/gradle ./gradlew :distribution:archives:oss-no-jdk-linux-tar:assemble --no-daemon -Dtests.jvms=1
 	cd elasticsearch-7.6.0 && tar xf distribution/archives/oss-no-jdk-linux-tar/build/distributions/elasticsearch-oss-7.6.0-SNAPSHOT-no-jdk-linux-*.tar.gz
 	cd elasticsearch-7.6.0 && mv elasticsearch-7.6.0-SNAPSHOT /opt/elasticsearch
+	chown -R elasticsearch.elasticsearch /opt/elasticsearch
+	mv /opt/elasticsearch/config /etc/elasticsearch
+	install -d -m755 -o elasticsearch -g elasticsearch /var/lib/elasticsearch
+	install -d -m755 -o elasticsearch -g elasticsearch /var/log/elasticsearch
+
+	@echo "d /run/elasticsearch 755 elasticsearch elasticsearch -" > /usr/lib/tmpfiles.d/elasticsearch.conf
+	@echo "vm.max_map_count = 262144" >> /etc/sysctl.d/elasticsearch.conf
+	@echo "$$ELASTICSEARCH_SERVICE" > /lib/systemd/system/elasticsearch.service
+	systemctl enable elasticsearch.service
 
 	swapoff swap
 	rm -rf swap
 
 	rm -rf elasticsearch-7.6.0
 
-jdk8:
+jdk8: useradd elasticsearch-service
 	tar xf elasticsearch-6.1.4.tar.gz
 
 	dd if=/dev/zero of=swap bs=1048576 count=1024
@@ -28,8 +37,140 @@ jdk8:
 	cd elasticsearch-6.1.4 && JAVA_HOME=/opt/jdk GRADLE_USER_HOME=$$(pwd)/gradle ./gradlew assemble --no-daemon
 	cd elasticsearch-6.1.4 && tar xf distribution/tar/build/distributions/elasticsearch-6.1.4-SNAPSHOT.tar.gz
 	cd elasticsearch-6.1.4 && mv elasticsearch-6.1.4-SNAPSHOT /opt/elasticsearch
+	chown -R elasticsearch.elasticsearch /opt/elasticsearch
+	mv /opt/elasticsearch/config /etc/elasticsearch
+	install -d -m755 -o elasticsearch -g elasticsearch /var/lib/elasticsearch
+	install -d -m755 -o elasticsearch -g elasticsearch /var/log/elasticsearch
+
+	@echo "d /run/elasticsearch 755 elasticsearch elasticsearch -" > /usr/lib/tmpfiles.d/elasticsearch.conf
+	@echo "vm.max_map_count = 262144" >> /etc/sysctl.d/elasticsearch.conf
+	@echo "$$ELASTICSEARCH_SERVICE" > /lib/systemd/system/elasticsearch.service
+	systemctl enable elasticsearch.service
 
 	swapoff swap
 	rm -rf swap
 
 	rm -rf elasticsearch-6.1.4
+
+5-6-8: useradd elasticsearch-service
+	tar xf elasticsearch-5.6.8.tar.gz
+
+	dd if=/dev/zero of=swap bs=1048576 count=1024
+	chmod 600 swap
+	mkswap swap
+	swapon swap
+
+	cd elasticsearch-5.6.8 && JAVA_HOME=/opt/jdk GRADLE_USER_HOME=$$(pwd)/gradle ./gradlew assemble --no-daemon
+	cd elasticsearch-5.6.8 && tar xf distribution/tar/build/distributions/elasticsearch-5.6.8-SNAPSHOT.tar.gz
+	cd elasticsearch-5.6.8 && mv elasticsearch-5.6.8-SNAPSHOT /opt/elasticsearch
+	chown -R elasticsearch.elasticsearch /opt/elasticsearch
+	mv /opt/elasticsearch/config /etc/elasticsearch
+	install -d -m755 -o elasticsearch -g elasticsearch /etc/elasticsearch/scripts
+	install -d -m755 -o elasticsearch -g elasticsearch /var/lib/elasticsearch
+	install -d -m755 -o elasticsearch -g elasticsearch /var/log/elasticsearch
+
+	sed -e 's|^-Xms.*|-Xms128m|' -i /etc/elasticsearch/jvm.options
+	sed -e 's|^-Xmx.*|-Xms1g|' -i /etc/elasticsearch/jvm.options
+
+	@echo "d /run/elasticsearch 755 elasticsearch elasticsearch -" > /usr/lib/tmpfiles.d/elasticsearch.conf
+	@echo "vm.max_map_count = 262144" >> /etc/sysctl.d/elasticsearch.conf
+	@echo "$$ELASTICSEARCH_SERVICE" > /lib/systemd/system/elasticsearch.service
+	systemctl enable elasticsearch.service
+
+	swapoff swap
+	rm -rf swap
+
+	rm -rf elasticsearch-5.6.8
+
+useradd:
+	rm /etc/passwd
+	mv -v /data/etc/passwd /etc/passwd
+	rm /etc/group
+	mv -v /data/etc/group /etc/group
+	rm /etc/shadow
+	mv -v /data/etc/shadow /etc/shadow
+	rm /etc/gshadow
+	mv -v /data/etc/gshadow /etc/gshadow
+	groupadd -g 105 elasticsearch
+	useradd -c "Elasticsearch daemon" -d /opt/elasticsearch -g elasticsearch -s /bin/false -u 105 elasticsearch
+	rm /etc/passwd-
+	rm /etc/group-
+	rm /etc/shadow-
+	rm /etc/gshadow-
+	mv -v /etc/passwd /data/etc/passwd
+	ln -sv /data/etc/passwd /etc/passwd
+	mv -v /etc/group /data/etc/group
+	ln -sv /data/etc/group /etc/group
+	mv -v /etc/shadow /data/etc/shadow
+	ln -sv /data/etc/shadow /etc/shadow
+	mv -v /etc/gshadow /data/etc/gshadow
+	ln -sv /data/etc/gshadow /etc/gshadow
+
+elasticsearch-service:
+define ELASTICSEARCH_SERVICE
+[Unit]
+Description=Elasticsearch
+Documentation=http://www.elastic.co
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+Environment=ES_HOME=/opt/elasticsearch
+Environment=CONF_DIR=/etc/elasticsearch
+Environment=DATA_DIR=/var/lib/elasticsearch
+Environment=LOG_DIR=/var/log/elasticsearch
+Environment=PID_DIR=/run/elasticsearch
+Environment=JAVA_HOME=/opt/jdk
+
+WorkingDirectory=/opt/elasticsearch
+
+User=elasticsearch
+Group=elasticsearch
+
+ExecStart=/opt/elasticsearch/bin/elasticsearch -p $${PID_DIR}/elasticsearch.pid \
+                                               --quiet \
+                                               -Edefault.path.logs=$${LOG_DIR} \
+                                               -Edefault.path.data=$${DATA_DIR} \
+                                               -Edefault.path.conf=$${CONF_DIR}
+Restart=on-failure
+
+# StandardOutput is configured to redirect to journalctl since
+# some error messages may be logged in standard output before
+# elasticsearch logging system is initialized. Elasticsearch
+# stores its logs in /var/log/elasticsearch and does not use
+# journalctl by default. If you also want to enable journalctl
+# logging, you can simply remove the "quiet" option from ExecStart.
+StandardOutput=journal
+StandardError=inherit
+
+# Specifies the maximum file descriptor number that can be opened by this process
+LimitNOFILE=65536
+
+# Specifies the maximum number of processes
+LimitNPROC=2048
+
+# Specifies the maximum size of virtual memory
+LimitAS=infinity
+
+# Specifies the maximum file size
+LimitFSIZE=infinity
+
+# Disable timeout logic and wait until process is stopped
+TimeoutStopSec=0
+
+# SIGTERM signal is used to stop the Java process
+KillSignal=SIGTERM
+
+# Send the signal only to the JVM rather than its control group
+KillMode=process
+
+# 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
+endef
+export ELASTICSEARCH_SERVICE