Class: LogStash::Config::ModulesCommon

Inherits:
Object
  • Object
show all
Includes:
Util::Loggable
Defined in:
lib/logstash/config/modules_common.rb

Overview

extracted here for bwc with 5.x

Constant Summary collapse

MODULES_MAX_PIPELINES = 
1

Class Method Summary collapse

Class Method Details

.pipeline_configs(settings) ⇒ Object 



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# File 'lib/logstash/config/modules_common.rb', line 14

def self.pipeline_configs(settings)
  pipelines = []
  plugin_modules = LogStash::PLUGIN_REGISTRY.plugins_with_type(:modules)

  cli_settings = settings.get("modules.cli")
  yml_settings = settings.get("modules")

  modules_array = if !(cli_settings.empty? && yml_settings.empty?)
        LogStash::Modules::SettingsMerger.merge(cli_settings, yml_settings)
      elsif cli_settings.empty?
         yml_settings
      else
        cli_settings
      end

  if modules_array.empty?
    # no specifed modules
    return pipelines
  end
  logger.debug("Specified modules", :modules_array => modules_array.to_s)

  module_names = modules_array.collect {|module_hash| module_hash["name"]}
  if module_names.size > MODULES_MAX_PIPELINES
    error_message = I18n.t("logstash.modules.configuration.modules-too-many-specified", :max => MODULES_MAX_PIPELINES, :specified_modules => module_names.join(', '))
    raise LogStash::ConfigLoadingError, error_message
  end

  if module_names.length > module_names.uniq.length
    duplicate_modules = module_names.group_by(&:to_s).select { |_,v| v.size > 1 }.keys
    raise LogStash::ConfigLoadingError, I18n.t("logstash.modules.configuration.modules-must-be-unique", :duplicate_modules => duplicate_modules)
  end

  available_module_names = plugin_modules.map(&:module_name)
  specified_and_available_names = module_names & available_module_names

  if (specified_and_available_names).empty?
    i18n_opts = {:specified_modules => module_names, :available_modules => available_module_names}
    raise LogStash::ConfigLoadingError, I18n.t("logstash.modules.configuration.modules-unavailable", i18n_opts)
  end

  specified_and_available_names.each do |module_name|
    connect_fail_args = {}
    begin
      module_settings = settings.clone

      module_hash = modules_array.find {|m| m["name"] == module_name}
      current_module = plugin_modules.find { |allmodules| allmodules.module_name == module_name }

      enabled = current_module.is_enabled?(module_settings)
      unless enabled
        logger.warn("The #{module_name} module is not enabled. Please check the logs for additional information.")
        next
      end


      alt_name = "module-#{module_name}"
      pipeline_id = alt_name
      module_settings.set("pipeline.id", pipeline_id)
      LogStash::Modules::SettingsMerger.merge_cloud_settings(module_hash, module_settings)
      LogStash::Modules::SettingsMerger.merge_kibana_auth!(module_hash)
      current_module.with_settings(module_hash)
      config_test = settings.get("config.test_and_exit")
      modul_setup = settings.get("modules_setup")
      # Only import data if it's not a config test and --setup is true
      if !config_test && modul_setup
        logger.info("Setting up the #{module_name} module")
        esclient = LogStash::ElasticsearchClient.build(module_hash)
        kbnclient = LogStash::Modules::KibanaClient.new(module_hash)
        esconnected = esclient.can_connect?
        kbnconnected = kbnclient.can_connect?
        if esconnected && kbnconnected
          current_module.add_kibana_version(kbnclient.version_parts)
          current_module.import(
              LogStash::Modules::ElasticsearchImporter.new(esclient),
              LogStash::Modules::KibanaImporter.new(kbnclient)
            )
        else
          connect_fail_args[:module_name] = module_name
          connect_fail_args[:elasticsearch_hosts] = esclient.host_settings
          connect_fail_args[:kibana_hosts] = kbnclient.host_settings
        end
      else
        logger.info("Starting the #{module_name} module")
      end

      config_string = current_module.config_string
      pipelines << {"pipeline_id" => pipeline_id, "alt_name" => alt_name, "config_string" => config_string, "settings" => module_settings}
    rescue => e
      new_error = LogStash::ConfigLoadingError.new(I18n.t("logstash.modules.configuration.parse-failed", :error => e.message))
      new_error.set_backtrace(e.backtrace)
      raise new_error
    end

    if !connect_fail_args.empty?
      raise LogStash::ConfigLoadingError, I18n.t("logstash.modules.configuration.elasticsearch_connection_failed", connect_fail_args)
    end
  end
  pipelines
end