################################
# Elasticsearch
################################

# Elasticsearch home directory
ES_HOME={{es_home}}

# Elasticsearch configuration directory
CONF_DIR={{conf_dir}}

# Elasticsearch data directory
DATA_DIR={{ data_dirs | array_to_str }}

# Elasticsearch logs directory
LOG_DIR={{log_dir}}

{% if es_version | version_compare('5.0', '<') %}
# Elasticsearch work directory
WORK_DIR={{work_dir}}
{% endif %}

# Elasticsearch PID directory
PID_DIR={{pid_dir}}

{% if es_version | version_compare('5.0', '<') %}
# Heap size defaults to 256m min, 1g max
# Set ES_HEAP_SIZE to 50% of available RAM, but no more than 31g
{% if es_heap_size is defined %}
ES_HEAP_SIZE={{es_heap_size}}
{% endif %}
{% endif %}

# Heap new generation
#ES_HEAP_NEWSIZE=

# Maximum direct memory
#ES_DIRECT_SIZE=

# Additional Java OPTS
{% if es_java_opts is defined and es_java_opts %}
{% for java_opt in es_java_opts %}
ES_JAVA_OPTS="{{java_opt}}"
{% endfor %}
{% else %}
#ES_JAVA_OPTS=
{% endif %}

# Configure restart on package upgrade (true, every other setting will lead to not restarting)
#ES_RESTART_ON_UPGRADE=true

# Path to the GC log file
#ES_GC_LOG_FILE=/var/log/elasticsearch/gc.log

################################
# Elasticsearch service
################################

# SysV init.d
#
# When executing the init script, this user will be used to run the elasticsearch service.
# The default value is 'elasticsearch' and is declared in the init.d file.
# Note that this setting is only used by the init script. If changed, make sure that
# the configured user can read and write into the data, work, plugins and log directories.
# For systemd service, the user is usually configured in file /usr/lib/systemd/system/elasticsearch.service
ES_USER={{es_user}}
ES_GROUP={{es_group}}

################################
# System properties
################################

# Specifies the maximum file descriptor number that can be opened by this process
# When using Systemd, this setting is ignored and the LimitNOFILE defined in
# /usr/lib/systemd/system/elasticsearch.service takes precedence
{% if es_max_open_files is defined %}
#MAX_OPEN_FILES
MAX_OPEN_FILES={{es_max_open_files}}
{% endif %}

# The maximum number of bytes of memory that may be locked into RAM
# Set to "unlimited" if you use the 'bootstrap.{% if es_version | version_compare('5.0', '<=') %}memory_lock{% else %}mlockall{% endif %}: true' option
# in elasticsearch.yml (ES_HEAP_SIZE  must also be set).
# When using Systemd, the LimitMEMLOCK property must be set
# in /usr/lib/systemd/system/elasticsearch.service
{% if m_lock_enabled %}
#MAX_LOCKED_MEMORY=
MAX_LOCKED_MEMORY=unlimited
{% endif %}

# Maximum number of VMA (Virtual Memory Areas) a process can own
# When using Systemd, this setting is ignored and the 'vm.max_map_count'
# property is set at boot time in /usr/lib/sysctl.d/elasticsearch.conf
#MAX_MAP_COUNT=262144