Module: EsFacts
- Defined in:
- lib/facter/es_facts.rb
Overview
Helper module to encapsulate custom fact injection
Class Method Summary collapse
-
.add_fact(prefix, key, value) ⇒ Object
Add a fact to the catalog of host facts.
-
.get_httpport(config) ⇒ Object
Helper to determine the instance http.port number.
-
.run ⇒ Object
Entrypoint for custom fact populator.
- .ssl?(config) ⇒ Boolean
Class Method Details
.add_fact(prefix, key, value) ⇒ Object
Add a fact to the catalog of host facts
8 9 10 11 12 13 |
# File 'lib/facter/es_facts.rb', line 8 def self.add_fact(prefix, key, value) key = "#{prefix}_#{key}".to_sym ::Facter.add(key) do setcode { value } end end |
.get_httpport(config) ⇒ Object
Helper to determine the instance http.port number
24 25 26 27 28 29 30 31 |
# File 'lib/facter/es_facts.rb', line 24 def self.get_httpport(config) enabled = 'http.enabled' httpport = 'http.port' return false, false if !config[enabled].nil? && config[enabled] == 'false' return config[httpport], ssl?(config) unless config[httpport].nil? ['9200', ssl?(config)] end |
.run ⇒ Object
Entrypoint for custom fact populator
This is a super old function but works; disable a bunch of checks. rubocop:disable Lint/HandleExceptions rubocop:disable Metrics/CyclomaticComplexity rubocop:disable Metrics/PerceivedComplexity
39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 |
# File 'lib/facter/es_facts.rb', line 39 def self.run dir_prefix = '/etc/elasticsearch' # httpports is a hash of port_number => ssl? transportports = [] http_bound_addresses = [] transport_bound_addresses = [] transport_publish_addresses = [] nodes = {} # only when the directory exists we need to process the stuff return unless File.directory?(dir_prefix) if File.readable?("#{dir_prefix}/elasticsearch.yml") config_data = YAML.load_file("#{dir_prefix}/elasticsearch.yml") httpport, ssl = get_httpport(config_data) end begin add_fact('elasticsearch', 'port', httpport) unless ssl key_prefix = 'elasticsearch' # key_prefix = "elasticsearch_#{httpport}" uri = URI("http://localhost:#{httpport}") http = Net::HTTP.new(uri.host, uri.port) http.read_timeout = 10 http.open_timeout = 2 response = http.get('/') json_data = JSON.parse(response.body) if json_data['status'] && json_data['status'] == 200 add_fact(key_prefix, 'name', json_data['name']) add_fact(key_prefix, 'version', json_data['version']['number']) uri2 = URI("http://localhost:#{httpport}/_nodes/#{json_data['name']}") http2 = Net::HTTP.new(uri2.host, uri2.port) http2.read_timeout = 10 http2.open_timeout = 2 response2 = http2.get(uri2.path) json_data_node = JSON.parse(response2.body) add_fact(key_prefix, 'cluster_name', json_data_node['cluster_name']) node_data = json_data_node['nodes'].first add_fact(key_prefix, 'node_id', node_data[0]) nodes_data = json_data_node['nodes'][node_data[0]] process = nodes_data['process'] add_fact(key_prefix, 'mlockall', process['mlockall']) plugins = nodes_data['plugins'] plugin_names = [] plugins.each do |plugin| plugin_names << plugin['name'] plugin.each do |key, value| prefix = "#{key_prefix}_plugin_#{plugin['name']}" add_fact(prefix, key, value) unless key == 'name' end end add_fact(key_prefix, 'plugins', plugin_names.join(',')) nodes_data['http']['bound_address'].each { |i| http_bound_addresses << i } nodes_data['transport']['bound_address'].each { |i| transport_bound_addresses << i } transport_publish_addresses << nodes_data['transport']['publish_address'] unless nodes_data['transport']['publish_address'].nil? transportports << nodes_data['settings']['transport']['tcp']['port'] unless nodes_data['settings']['transport']['tcp'].nil? or nodes_data['settings']['transport']['tcp']['port'].nil? node = { 'http_ports' => httpports.keys, 'transport_ports' => transportports, 'http_bound_addresses' => http_bound_addresses, 'transport_bound_addresses' => transport_bound_addresses, 'transport_publish_addresses' => transport_publish_addresses, json_data['name'] => { 'settings' => nodes_data['settings'], 'http' => nodes_data['http'], 'transport' => nodes_data['transport'] } } nodes.merge! node end end rescue end Facter.add(:elasticsearch) do setcode do nodes end nodes unless nodes.empty? end end |
.ssl?(config) ⇒ Boolean
15 16 17 18 19 20 21 |
# File 'lib/facter/es_facts.rb', line 15 def self.ssl?(config) tls_keys = [ 'xpack.security.http.ssl.enabled' ] tls_keys.any? { |key| (config.key? key) && (config[key] == true) } end |