Class: Fluent::MongoOutput
- Inherits:
-
BufferedOutput
- Object
- BufferedOutput
- Fluent::MongoOutput
show all
- Includes:
- MongoUtil, SetTagKeyMixin, SetTimeKeyMixin
- Defined in:
- lib/fluent/plugin/out_mongo.rb
Instance Attribute Summary collapse
Class Method Summary
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Instance Method Summary
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Methods included from MongoUtil
#authenticate, included
Constructor Details
Returns a new instance of MongoOutput.
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# File 'lib/fluent/plugin/out_mongo.rb', line 30
def initialize
super
require 'mongo'
require 'msgpack'
@clients = {}
@connection_options = {}
@collection_options = {:capped => false}
end
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Instance Attribute Details
#collection_options ⇒ Object
Returns the value of attribute collection_options.
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# File 'lib/fluent/plugin/out_mongo.rb', line 28
def collection_options
@collection_options
end
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Class Method Details
MongoDB uses BSON’s Date for time.
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# File 'lib/fluent/plugin/out_mongo.rb', line 66
def @timef.format_nocache(time)
time
end
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Instance Method Details
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# File 'lib/fluent/plugin/out_mongo.rb', line 40
def configure(conf)
super
if conf.has_key?('tag_mapped')
@tag_mapped = true
@disable_collection_check = true if @disable_collection_check.nil?
else
@disable_collection_check = false if @disable_collection_check.nil?
end
raise ConfigError, "normal mode requires collection parameter" if !@tag_mapped and !conf.has_key?('collection')
if remove_tag_prefix = conf['remove_tag_prefix']
@remove_tag_prefix = Regexp.new('^' + Regexp.escape(remove_tag_prefix))
end
if conf.has_key?('capped')
raise ConfigError, "'capped_size' parameter is required on <store> of Mongo output" unless conf.has_key?('capped_size')
@collection_options[:capped] = true
@collection_options[:size] = Config.size_value(conf['capped_size'])
@collection_options[:max] = Config.size_value(conf['capped_max']) if conf.has_key?('capped_max')
end
@connection_options[:safe] = @safe
def @timef.format_nocache(time)
time
end
$log.debug "Setup mongo configuration: mode = #{@tag_mapped ? 'tag mapped' : 'normal'}"
end
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#emit(tag, es, chain) ⇒ Object
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# File 'lib/fluent/plugin/out_mongo.rb', line 97
def emit(tag, es, chain)
if @tag_mapped
super(tag, es, chain, tag)
else
super(tag, es, chain)
end
end
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# File 'lib/fluent/plugin/out_mongo.rb', line 93
def format(tag, time, record)
[time, record].to_msgpack
end
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#shutdown ⇒ Object
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# File 'lib/fluent/plugin/out_mongo.rb', line 87
def shutdown
@clients.values.each { |client| client.db.connection.close }
super
end
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#start ⇒ Object
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# File 'lib/fluent/plugin/out_mongo.rb', line 73
def start
get_or_create_collection(@collection) unless @tag_mapped
if @buffer.respond_to?(:buffer_chunk_limit)
@buffer.buffer_chunk_limit = available_buffer_chunk_limit
else
$log.warn "#{Fluent::VERSION} does not have :buffer_chunk_limit. Be careful when insert large documents to MongoDB"
end
super
end
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#write(chunk) ⇒ Object
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# File 'lib/fluent/plugin/out_mongo.rb', line 106
def write(chunk)
collection_name = @tag_mapped ? chunk.key : @collection
operate(get_or_create_collection(collection_name), collect_records(chunk))
end
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