[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
