elasticsearch.pp
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	# Elasticsearch cluster node profile

	class profile::elasticsearch {

	include ::profile::elastic::apt_config

	$elasticsearch_config = lookup('elasticsearch::config')
	$elasticsearch_extra_config = lookup('elasticsearch::config::extras', {default_value => {}})
	$version = lookup('elastic::elk_version')

	$path_data = lookup('elasticsearch::config::path::data')
	$jvm_options = lookup('elasticsearch::jvm_options')

	# for the prometheus exporter
	$elasticsearch_http_port = lookup('elasticsearch::config::http::port')
	$elasticsearch_cluster_name = lookup('elasticsearch::config::cluster::name')

	apt::pin { 'elasticsearch':
	packages => 'elasticsearch elasticsearch-oss',
	version => $version,
	priority => 1001,
	} -> package { 'elasticsearch':
	ensure => $version,
	require => [
	Class['::profile::elastic::apt_config']
	]
	}

	file { $path_data:
	ensure => 'directory',
	owner => 'elasticsearch',
	group => 'elasticsearch',
	mode => '2755',
	require => Package['elasticsearch']
	}

	$config = $elasticsearch_config + $elasticsearch_extra_config + {
	'network.host' => ip_for_network(lookup('internal_network'))
	}

	file { '/etc/elasticsearch/elasticsearch.yml':
	ensure => file,
	owner => 'root',
	group => 'root',
	mode => '0644',
	content => inline_yaml($config),
	require => Package['elasticsearch'],
	notify => Service['elasticsearch'],
	}

	concat {'es_jvm_options':
	ensure => present,
	path => '/etc/elasticsearch/jvm.options.d/jvm.options',
	owner => 'root',
	group => 'root',
	mode => '0644',
	ensure_newline => true,
	require => Package['elasticsearch'],
	notify => Service['elasticsearch'],
	}

	$jvm_options.each \|$index, $option\| {
	concat::fragment {"${index}_es_jvm_option":
	target => 'es_jvm_options',
	content => $option,
	order => '00',
	}
	}

	systemd::dropin_file { 'elasticsearch.conf':
	unit => 'elasticsearch.service',
	content => template('profile/swh/elasticsearch.conf.erb'),
	notify => Service['elasticsearch'],
	}

	service { 'elasticsearch':
	ensure => running,
	enable => true,
	require => [
	Package['elasticsearch'],
	File[$path_data],
	],
	}

	include profile::prometheus::elasticsearch

	profile::prometheus::export_scrape_config {"elasticsearch_${::fqdn}":
	job => 'elasticsearch',
	target => "${::fqdn}:${elasticsearch_http_port}",
	scheme => 'http',
	metrics_path => '/_prometheus/metrics',
	}
	}

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