Class: LogStash::Config::AST::PluginSection
- Inherits:
-
Node
- Object
- Treetop::Runtime::SyntaxNode
- Node
- LogStash::Config::AST::PluginSection
- Defined in:
- lib/logstash/config/config_ast.rb
Constant Summary collapse
- @@i =
Global plugin numbering for the janky instance variable naming we use like @filter_<name>_1
0
Instance Method Summary collapse
-
#compile_initializer ⇒ Object
Generate ruby code to initialize all the plugins.
- #generate_variables ⇒ Object
- #variable(object) ⇒ Object
Methods inherited from Node
Instance Method Details
#compile_initializer ⇒ Object
Generate ruby code to initialize all the plugins.
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# File 'lib/logstash/config/config_ast.rb', line 143 def compile_initializer generate_variables code = [] @variables.each do |plugin, name| code << <<-CODE #{name} = #{plugin.compile_initializer} @#{plugin.plugin_type}s << #{name} CODE # The flush method for this filter. if plugin.plugin_type == "filter" code << <<-CODE #{name}_flush = lambda do |options, &block| @logger.debug? && @logger.debug(\"Flushing\", :plugin => #{name}) events = #{name}.flush(options) return if events.nil? || events.empty? @logger.debug? && @logger.debug(\"Flushing\", :plugin => #{name}, :events => events) #{plugin.compile_starting_here.gsub(/^/, " ")} events.each{|e| block.call(e)} end if #{name}.respond_to?(:flush) @periodic_flushers << #{name}_flush if #{name}.periodic_flush @shutdown_flushers << #{name}_flush end CODE end end return code.join("\n") end |
#generate_variables ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 188 def generate_variables return if !@variables.nil? @variables = {} plugins = recursive_select(Plugin) plugins.each do |plugin| # Unique number for every plugin. @@i += 1 # store things as ivars, like @filter_grok_3 var = "@#{plugin.plugin_type}_#{plugin.plugin_name}_#{@@i}" @variables[plugin] = var end return @variables end |
#variable(object) ⇒ Object
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# File 'lib/logstash/config/config_ast.rb', line 183 def variable(object) generate_variables return @variables[object] end |