Class: LogStash::Outputs::ElasticSearch::HttpClient
- Inherits:
-
Object
- Object
- LogStash::Outputs::ElasticSearch::HttpClient
- Defined in:
- lib/logstash/outputs/elasticsearch/http_client.rb,
lib/logstash/outputs/elasticsearch/http_client/pool.rb,
lib/logstash/outputs/elasticsearch/http_client/manticore_adapter.rb
Defined Under Namespace
Classes: ManticoreAdapter, Pool
Constant Summary collapse
- DEFAULT_HEADERS =
{ "Content-Type" => "application/json" }
Instance Attribute Summary collapse
-
#action_count ⇒ Object
readonly
Returns the value of attribute action_count.
-
#client ⇒ Object
readonly
Returns the value of attribute client.
-
#logger ⇒ Object
readonly
Returns the value of attribute logger.
-
#options ⇒ Object
readonly
Returns the value of attribute options.
-
#pool ⇒ Object
readonly
Returns the value of attribute pool.
-
#recv_count ⇒ Object
readonly
Returns the value of attribute recv_count.
Instance Method Summary collapse
- #alive_urls_count ⇒ Object
- #build_adapter(options) ⇒ Object
- #build_pool(options) ⇒ Object
- #build_url_template ⇒ Object
- #bulk(actions) ⇒ Object
- #bulk_send(body_stream, batch_actions) ⇒ Object
- #calculate_property(uris, property, default, sniff_check) ⇒ Object
- #client_settings ⇒ Object
- #close ⇒ Object
-
#compression_level? ⇒ Boolean
return true if compression_level is [1..9] return false if it is 0.
- #emulate_batch_error_response(actions, http_code, reason) ⇒ Object
- #exists?(path, use_get = false) ⇒ Boolean
- #get(path) ⇒ Object
- #get_ilm_endpoint ⇒ Object
- #get_xpack_info ⇒ Object
- #gzip_writer(io) ⇒ Object
- #host_to_url(h) ⇒ Object
- #ilm_policy_exists?(name) ⇒ Boolean
- #ilm_policy_put(name, policy) ⇒ Object
-
#initialize(options = {}) ⇒ HttpClient
constructor
The ‘options` is a hash where the following symbol keys have meaning:.
- #join_bulk_responses(bulk_responses) ⇒ Object
- #last_es_version ⇒ Object
- #maximum_seen_major_version ⇒ Object
- #password ⇒ Object
- #path ⇒ Object
- #port ⇒ Object
- #post(path, params = {}, body_string) ⇒ Object
- #prepare_user_agent ⇒ Object
-
#rollover_alias_exists?(name) ⇒ Boolean
check whether rollover alias already exists.
-
#rollover_alias_put(alias_name, alias_definition) ⇒ Object
Create a new rollover alias.
- #scheme ⇒ Object
- #serverless? ⇒ Boolean
- #sniffing ⇒ Object
- #ssl_options ⇒ Object
- #template_exists?(template_endpoint, name) ⇒ Boolean
- #template_install(template_endpoint, name, template, force = false) ⇒ Object
- #template_put(template_endpoint, name, template) ⇒ Object
-
#update_action_builder(args, source) ⇒ Object
Build a bulk item for an elasticsearch update action.
- #uris ⇒ Object
- #user ⇒ Object
Constructor Details
#initialize(options = {}) ⇒ HttpClient
The ‘options` is a hash where the following symbol keys have meaning:
-
‘:hosts` - array of String. Set a list of hosts to use for communication.
-
‘:port` - number. set the port to use to communicate with Elasticsearch
-
‘:user` - String. The user to use for authentication.
-
‘:password` - String. The password to use for authentication.
-
‘:timeout` - Float. A duration value, in seconds, after which a socket
operation or request will be aborted if not yet successful
-
‘:client_settings` - a hash; see below for keys.
The ‘client_settings` key is a has that can contain other settings:
-
‘:ssl` - Boolean. Enable or disable SSL/TLS.
-
‘:proxy` - String. Choose a HTTP HTTProxy to use.
-
‘:path` - String. The leading path for prefixing Elasticsearch
-
‘:headers` - Hash. Pairs of headers and their values requests. This is sometimes used if you are proxying Elasticsearch access through a special http path, such as using mod_rewrite.
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 52 def initialize(={}) @logger = [:logger] @metric = [:metric] @bulk_request_metrics = @metric.namespace(:bulk_requests) @bulk_response_metrics = @bulk_request_metrics.namespace(:responses) # Again, in case we use DEFAULT_OPTIONS in the future, uncomment this. # @options = DEFAULT_OPTIONS.merge(options) @options = @url_template = build_url_template @pool = build_pool(@options) # mutex to prevent requests and sniffing to access the # connection pool at the same time @bulk_path = @options[:bulk_path] end |
Instance Attribute Details
#action_count ⇒ Object (readonly)
Returns the value of attribute action_count.
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 27 def action_count @action_count end |
#client ⇒ Object (readonly)
Returns the value of attribute client.
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 27 def client @client end |
#logger ⇒ Object (readonly)
Returns the value of attribute logger.
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 27 def logger @logger end |
#options ⇒ Object (readonly)
Returns the value of attribute options.
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 27 def @options end |
#pool ⇒ Object (readonly)
Returns the value of attribute pool.
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 27 def pool @pool end |
#recv_count ⇒ Object (readonly)
Returns the value of attribute recv_count.
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 27 def recv_count @recv_count end |
Instance Method Details
#alive_urls_count ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 101 def alive_urls_count @pool.alive_urls_count end |
#build_adapter(options) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 312 def build_adapter() timeout = [:timeout] || 0 = { :socket_timeout => timeout, :request_timeout => timeout, } [:user_agent] = prepare_user_agent [:proxy] = client_settings[:proxy] if client_settings[:proxy] [:check_connection_timeout] = client_settings[:check_connection_timeout] if client_settings[:check_connection_timeout] # Having this explicitly set to nil is an error if client_settings[:pool_max] [:pool_max] = client_settings[:pool_max] end # Having this explicitly set to nil is an error if client_settings[:pool_max_per_route] [:pool_max_per_route] = client_settings[:pool_max_per_route] end [:ssl] = if self.scheme == 'https' [:headers] = client_settings[:headers] if client_settings[:headers] ::LogStash::Outputs::ElasticSearch::HttpClient::ManticoreAdapter.new(@logger, ) end |
#build_pool(options) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 355 def build_pool() adapter = build_adapter() = { :license_checker => [:license_checker], :sniffing => sniffing, :sniffer_delay => [:sniffer_delay], :sniffing_path => [:sniffing_path], :healthcheck_path => [:healthcheck_path], :resurrect_delay => [:resurrect_delay], :url_normalizer => self.method(:host_to_url), :metric => [:metric] } [:scheme] = self.scheme if self.scheme pool_class = ::LogStash::Outputs::ElasticSearch::HttpClient::Pool full_urls = @options[:hosts].map {|h| host_to_url(h) } pool = pool_class.new(@logger, adapter, full_urls, ) pool.start pool end |
#build_url_template ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 70 def build_url_template { :scheme => self.scheme, :user => self.user, :password => self.password, :host => "URLTEMPLATE", :port => self.port, :path => self.path } end |
#bulk(actions) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 105 def bulk(actions) @action_count ||= 0 @action_count += actions.size return if actions.empty? bulk_actions = actions.collect do |action, args, source| args, source = update_action_builder(args, source) if action == 'update' if source && action != 'delete' next [ { action => args }, source ] else next { action => args } end end body_stream = StringIO.new if compression_level? body_stream.set_encoding "BINARY" stream_writer = gzip_writer(body_stream) else stream_writer = body_stream end bulk_responses = [] batch_actions = [] bulk_actions.each_with_index do |action, index| as_json = action.is_a?(Array) ? action.map {|line| LogStash::Json.dump(line)}.join("\n") : LogStash::Json.dump(action) as_json << "\n" as_json.scrub! # ensure generated JSON is valid UTF-8 if (stream_writer.pos + as_json.bytesize) > TARGET_BULK_BYTES && stream_writer.pos > 0 stream_writer.flush # ensure writer has sync'd buffers before reporting sizes logger.debug("Sending partial bulk request for batch with one or more actions remaining.", :action_count => batch_actions.size, :payload_size => stream_writer.pos, :content_length => body_stream.size, :batch_offset => (index + 1 - batch_actions.size)) bulk_responses << bulk_send(body_stream, batch_actions) body_stream.truncate(0) && body_stream.seek(0) stream_writer = gzip_writer(body_stream) if compression_level? batch_actions.clear end stream_writer.write(as_json) batch_actions << action end stream_writer.close if compression_level? logger.debug("Sending final bulk request for batch.", :action_count => batch_actions.size, :payload_size => stream_writer.pos, :content_length => body_stream.size, :batch_offset => (actions.size - batch_actions.size)) bulk_responses << bulk_send(body_stream, batch_actions) if body_stream.size > 0 body_stream.close unless compression_level? join_bulk_responses(bulk_responses) end |
#bulk_send(body_stream, batch_actions) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 182 def bulk_send(body_stream, batch_actions) params = compression_level? ? {:headers => {"Content-Encoding" => "gzip"}} : {} response = @pool.post(@bulk_path, params, body_stream.string) @bulk_response_metrics.increment(response.code.to_s) case response.code when 200 # OK LogStash::Json.load(response.body) when 413 # Payload Too Large logger.warn("Bulk request rejected: `413 Payload Too Large`", :action_count => batch_actions.size, :content_length => body_stream.size) emulate_batch_error_response(batch_actions, response.code, 'payload_too_large') else url = ::LogStash::Util::SafeURI.new(response.final_url) raise ::LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError.new( response.code, url, body_stream.to_s, response.body ) end end |
#calculate_property(uris, property, default, sniff_check) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 230 def calculate_property(uris, property, default, sniff_check) values = uris.map(&property).uniq if sniff_check && values.size > 1 raise LogStash::ConfigurationError, "Cannot have multiple values for #{property} in hosts when sniffing is enabled!" end uri_value = values.first default = nil if default.is_a?(String) && default.empty? # Blanks are as good as nil uri_value = nil if uri_value.is_a?(String) && uri_value.empty? if default && uri_value && (default != uri_value) raise LogStash::ConfigurationError, "Explicit value for '#{property}' was declared, but it is different in one of the URLs given! Please make sure your URLs are inline with explicit values. The URLs have the property set to '#{uri_value}', but it was also set to '#{default}' explicitly" end uri_value || default end |
#client_settings ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 298 def client_settings @_client_settings ||= @options[:client_settings] || {} end |
#close ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 226 def close @pool.close end |
#compression_level? ⇒ Boolean
return true if compression_level is [1..9] return false if it is 0
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 308 def compression_level? client_settings.fetch(:compression_level) > 0 end |
#emulate_batch_error_response(actions, http_code, reason) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 203 def emulate_batch_error_response(actions, http_code, reason) { "errors" => true, "items" => actions.map do |action| action = action.first if action.is_a?(Array) request_action, request_parameters = action.first { request_action => {"status" => http_code, "error" => { "type" => reason }} } end } end |
#exists?(path, use_get = false) ⇒ Boolean
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 411 def exists?(path, use_get=false) response = use_get ? @pool.get(path) : @pool.head(path) response.code >= 200 && response.code <= 299 end |
#get(path) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 216 def get(path) response = @pool.get(path) LogStash::Json.load(response.body) end |
#get_ilm_endpoint ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 452 def get_ilm_endpoint @pool.get("/_ilm/policy") end |
#get_xpack_info ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 448 def get_xpack_info get("/_xpack") end |
#gzip_writer(io) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 168 def gzip_writer(io) fail(ArgumentError, "Cannot create gzip writer on IO with unread bytes") unless io.eof? fail(ArgumentError, "Cannot create gzip writer on non-empty IO") unless io.pos == 0 Zlib::GzipWriter.new(io, client_settings.fetch(:compression_level), Zlib::DEFAULT_STRATEGY) end |
#host_to_url(h) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 377 def host_to_url(h) # Never override the calculated scheme raw_scheme = @url_template[:scheme] || 'http' raw_user = h.user || @url_template[:user] raw_password = h.password || @url_template[:password] postfixed_userinfo = raw_user && raw_password ? "#{raw_user}:#{raw_password}@" : nil raw_host = h.host # Always replace this! raw_port = h.port || @url_template[:port] raw_path = !h.path.nil? && !h.path.empty? && h.path != "/" ? h.path : @url_template[:path] prefixed_raw_path = raw_path && !raw_path.empty? ? raw_path : "/" parameters = client_settings[:parameters] raw_query = if parameters && !parameters.empty? combined = h.query ? Hash[URI::decode_www_form(h.query)].merge(parameters) : parameters query_str = combined.flat_map {|k,v| values = Array(v) values.map {|av| "#{k}=#{av}"} }.join("&") query_str else h.query end prefixed_raw_query = raw_query && !raw_query.empty? ? "?#{raw_query}" : nil raw_url = "#{raw_scheme}://#{postfixed_userinfo}#{raw_host}:#{raw_port}#{prefixed_raw_path}#{prefixed_raw_query}" ::LogStash::Util::SafeURI.new(raw_url) end |
#ilm_policy_exists?(name) ⇒ Boolean
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 456 def ilm_policy_exists?(name) exists?("/_ilm/policy/#{name}", true) end |
#ilm_policy_put(name, policy) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 460 def ilm_policy_put(name, policy) path = "_ilm/policy/#{name}" logger.info("Installing ILM policy #{policy}", name: name) @pool.put(path, nil, LogStash::Json.dump(policy)) end |
#join_bulk_responses(bulk_responses) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 175 def join_bulk_responses(bulk_responses) { "errors" => bulk_responses.any? {|r| r["errors"] == true}, "items" => bulk_responses.reduce([]) {|m,r| m.concat(r.fetch("items", []))} } end |
#last_es_version ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 89 def last_es_version @pool.last_es_version end |
#maximum_seen_major_version ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 93 def maximum_seen_major_version @pool.maximum_seen_major_version end |
#password ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 257 def password calculate_property(uris, :password, @options[:password], sniffing) end |
#path ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 261 def path calculated = calculate_property(uris, :path, client_settings[:path], sniffing) calculated = "/#{calculated}" if calculated && !calculated.start_with?("/") calculated end |
#port ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 287 def port # We don't set the 'default' here because the default is what the user # indicated, so we use an || outside of calculate_property. This lets people # Enter things like foo:123, bar and wind up with foo:123, bar:9200 calculate_property(uris, :port, nil, sniffing) || 9200 end |
#post(path, params = {}, body_string) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 221 def post(path, params = {}, body_string) response = @pool.post(path, params, body_string) LogStash::Json.load(response.body) end |
#prepare_user_agent ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 343 def prepare_user_agent os_name = java.lang.System.getProperty('os.name') os_version = java.lang.System.getProperty('os.version') os_arch = java.lang.System.getProperty('os.arch') jvm_vendor = java.lang.System.getProperty('java.vendor') jvm_version = java.lang.System.getProperty('java.version') plugin_version = Gem.loaded_specs['logstash-output-elasticsearch'].version # example: Logstash/7.14.1 (OS=Linux-5.4.0-84-generic-amd64; JVM=AdoptOpenJDK-11.0.11) logstash-output-elasticsearch/11.0.1 "Logstash/#{LOGSTASH_VERSION} (OS=#{os_name}-#{os_version}-#{os_arch}; JVM=#{jvm_vendor}-#{jvm_version}) logstash-output-elasticsearch/#{plugin_version}" end |
#rollover_alias_exists?(name) ⇒ Boolean
check whether rollover alias already exists
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 429 def rollover_alias_exists?(name) exists?(name) end |
#rollover_alias_put(alias_name, alias_definition) ⇒ Object
Create a new rollover alias
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 434 def rollover_alias_put(alias_name, alias_definition) begin @pool.put(CGI::escape(alias_name), nil, LogStash::Json.dump(alias_definition)) logger.info("Created rollover alias", name: alias_name) # If the rollover alias already exists, ignore the error that comes back from Elasticsearch rescue ::LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError => e if e.response_code == 400 logger.info("Rollover alias already exists, skipping", name: alias_name) return end raise e end end |
#scheme ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 267 def scheme explicit_scheme = if && .has_key?(:enabled) [:enabled] ? 'https' : 'http' else nil end calculated_scheme = calculate_property(uris, :scheme, explicit_scheme, sniffing) if calculated_scheme && calculated_scheme !~ /https?/ raise LogStash::ConfigurationError, "Bad scheme '#{calculated_scheme}' found should be one of http/https" end if calculated_scheme && explicit_scheme && calculated_scheme != explicit_scheme raise LogStash::ConfigurationError, "SSL option was explicitly set to #{[:enabled]} but a URL was also declared with a scheme of '#{explicit_scheme}'. Please reconcile this" end calculated_scheme # May be nil if explicit_scheme is nil! end |
#serverless? ⇒ Boolean
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 97 def serverless? @pool.serverless? end |
#sniffing ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 249 def sniffing @options[:sniffing] end |
#ssl_options ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 302 def @_ssl_options ||= client_settings.fetch(:ssl, {}) end |
#template_exists?(template_endpoint, name) ⇒ Boolean
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 416 def template_exists?(template_endpoint, name) exists?("/#{template_endpoint}/#{name}") end |
#template_install(template_endpoint, name, template, force = false) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 81 def template_install(template_endpoint, name, template, force=false) if template_exists?(template_endpoint, name) && !force @logger.debug("Found existing Elasticsearch template, skipping template management", name: name) return end template_put(template_endpoint, name, template) end |
#template_put(template_endpoint, name, template) ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 420 def template_put(template_endpoint, name, template) path = "#{template_endpoint}/#{name}" logger.info("Installing Elasticsearch template", name: name) @pool.put(path, nil, LogStash::Json.dump(template)) end |
#update_action_builder(args, source) ⇒ Object
Build a bulk item for an elasticsearch update action
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 468 def update_action_builder(args, source) args = args.clone() if args[:_script] # Use the event as a hash from your script with variable name defined # by script_var_name (default: "event") # Ex: event["@timestamp"] source_orig = source source = { 'script' => {'params' => { @options[:script_var_name] => source_orig }} } if @options[:scripted_upsert] source['scripted_upsert'] = true source['upsert'] = {} elsif @options[:doc_as_upsert] source['upsert'] = source_orig else source['upsert'] = args.delete(:_upsert) if args[:_upsert] end case @options[:script_type] when 'indexed' source['script']['id'] = args.delete(:_script) when 'file' source['script']['file'] = args.delete(:_script) when 'inline' source['script']['inline'] = args.delete(:_script) end source['script']['lang'] = @options[:script_lang] if @options[:script_lang] != '' else source = { 'doc' => source } if @options[:doc_as_upsert] source['doc_as_upsert'] = true else source['upsert'] = args.delete(:_upsert) if args[:_upsert] end end [args, source] end |
#uris ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 294 def uris @options[:hosts] end |
#user ⇒ Object
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# File 'lib/logstash/outputs/elasticsearch/http_client.rb', line 253 def user calculate_property(uris, :user, @options[:user], sniffing) end |