lib/fluent/plugin/input.rb
#
# Fluentd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'fluent/plugin/base'
require 'fluent/log'
require 'fluent/plugin_id'
require 'fluent/plugin_helper'
module Fluent
module Plugin
class Input < Base
include PluginId
include PluginLoggerMixin
include PluginHelper::Mixin
helpers_internal :event_emitter, :metrics
def initialize
super
@emit_records_metrics = nil
@emit_size_metrics = nil
@counter_mutex = Mutex.new
@enable_size_metrics = false
end
def emit_records
@emit_records_metrics.get
end
def emit_size
@emit_size_metrics.get
end
def configure(conf)
super
@emit_records_metrics = metrics_create(namespace: "fluentd", subsystem: "input", name: "emit_records", help_text: "Number of count emit records")
@emit_size_metrics = metrics_create(namespace: "fluentd", subsystem: "input", name: "emit_size", help_text: "Total size of emit events")
@enable_size_metrics = !!system_config.enable_size_metrics
end
def statistics
stats = {
'emit_records' => @emit_records_metrics.get,
'emit_size' => @emit_size_metrics.get,
}
{ 'input' => stats }
end
def metric_callback(es)
@emit_records_metrics.add(es.size)
@emit_size_metrics.add(es.to_msgpack_stream.bytesize) if @enable_size_metrics
end
def multi_workers_ready?
false
end
end
end
end