class Fluent::Plugin::MultiOutput
Attributes
outputs[R]
outputs_statically_created[R]
Public Class Methods
new()
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Calls superclass method
Fluent::PluginLoggerMixin.new
# File lib/fluent/plugin/multi_output.rb, line 41 def initialize super @outputs = [] @outputs_statically_created = false @counters_monitor = Monitor.new # TODO: well organized counters @num_errors = 0 @emit_count = 0 @emit_records = 0 # @write_count = 0 # @rollback_count = 0 end
Public Instance Methods
after_shutdown()
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Calls superclass method
Fluent::Plugin::Base#after_shutdown
# File lib/fluent/plugin/multi_output.rb, line 131 def after_shutdown super call_lifecycle_method(:after_shutdown, :after_shutdown?) end
after_start()
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Calls superclass method
Fluent::Plugin::Base#after_start
# File lib/fluent/plugin/multi_output.rb, line 111 def after_start super call_lifecycle_method(:after_start, :after_started?) end
before_shutdown()
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Calls superclass method
Fluent::Plugin::Base#before_shutdown
# File lib/fluent/plugin/multi_output.rb, line 121 def before_shutdown super call_lifecycle_method(:before_shutdown, :before_shutdown?) end
call_lifecycle_method(method_name, checker_name)
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But when MultiOutput plugins are created dynamically (by forest plugin or others), agent cannot find sub-plugins. So child plugins' lifecycles MUST be controlled by MultiOutput plugin itself. TODO: this hack will be removed at v2.
# File lib/fluent/plugin/multi_output.rb, line 93 def call_lifecycle_method(method_name, checker_name) return if @outputs_statically_created @outputs.each do |o| begin log.debug "calling #{method_name} on output plugin dynamically created", type: Fluent::Plugin.lookup_type_from_class(o.class), plugin_id: o.plugin_id o.send(method_name) unless o.send(checker_name) rescue Exception => e log.warn "unexpected error while calling #{method_name} on output plugin dynamically created", plugin: o.class, plugin_id: o.plugin_id, error: e log.warn_backtrace end end end
close()
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Calls superclass method
Fluent::Plugin::Base#close
# File lib/fluent/plugin/multi_output.rb, line 136 def close super call_lifecycle_method(:close, :closed?) end
configure(conf)
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Calls superclass method
Fluent::PluginLoggerMixin#configure
# File lib/fluent/plugin/multi_output.rb, line 59 def configure(conf) super @stores.each do |store| store_conf = store.corresponding_config_element type = store_conf['@type'] unless type raise Fluent::ConfigError, "Missing '@type' parameter in <store> section" end log.debug "adding store", type: type output = Fluent::Plugin.new_output(type) if output.has_router? output.router = router end output.configure(store_conf) @outputs << output end end
emit_sync(tag, es)
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# File lib/fluent/plugin/multi_output.rb, line 146 def emit_sync(tag, es) @counters_monitor.synchronize{ @emit_count += 1 } begin process(tag, es) @counters_monitor.synchronize{ @emit_records += es.size } rescue @counters_monitor.synchronize{ @num_errors += 1 } raise end end
Also aliased as: emit_events
multi_output?()
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# File lib/fluent/plugin/multi_output.rb, line 55 def multi_output? true end
process(tag, es)
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# File lib/fluent/plugin/multi_output.rb, line 37 def process(tag, es) raise NotImplementedError, "BUG: output plugins MUST implement this method" end
shutdown()
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Calls superclass method
Fluent::Plugin::Base#shutdown
# File lib/fluent/plugin/multi_output.rb, line 126 def shutdown super call_lifecycle_method(:shutdown, :shutdown?) end
start()
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Calls superclass method
Fluent::PluginLoggerMixin#start
# File lib/fluent/plugin/multi_output.rb, line 106 def start super call_lifecycle_method(:start, :started?) end
static_outputs()
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# File lib/fluent/plugin/multi_output.rb, line 80 def static_outputs @outputs_statically_created = true @outputs end
stop()
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Calls superclass method
Fluent::Plugin::Base#stop
# File lib/fluent/plugin/multi_output.rb, line 116 def stop super call_lifecycle_method(:stop, :stopped?) end
terminate()
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Calls superclass method
Fluent::PluginLoggerMixin#terminate
# File lib/fluent/plugin/multi_output.rb, line 141 def terminate super call_lifecycle_method(:terminate, :terminated?) end