Class: Fluent::WootheeOutput
- Inherits:
-
Output
- Object
- Output
- Fluent::WootheeOutput
- Defined in:
- lib/fluent/plugin/out_woothee.rb
Instance Attribute Summary collapse
-
#mode ⇒ Object
Returns the value of attribute mode.
Instance Method Summary collapse
- #configure(conf) ⇒ Object
- #emit(tag, es, chain) ⇒ Object
- #fast_crawler_filter_emit(tag, es) ⇒ Object
-
#initialize ⇒ WootheeOutput
constructor
A new instance of WootheeOutput.
- #normal_emit(tag, es) ⇒ Object
- #tag_mangle(tag) ⇒ Object
Constructor Details
#initialize ⇒ WootheeOutput
Returns a new instance of WootheeOutput.
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# File 'lib/fluent/plugin/out_woothee.rb', line 39 def initialize super require 'woothee' end |
Instance Attribute Details
#mode ⇒ Object
Returns the value of attribute mode.
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# File 'lib/fluent/plugin/out_woothee.rb', line 29 def mode @mode end |
Instance Method Details
#configure(conf) ⇒ Object
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# File 'lib/fluent/plugin/out_woothee.rb', line 44 def configure(conf) super # tag -> if not @tag and not @remove_prefix and not @add_prefix raise Fluent::ConfigError, "missing both of remove_prefix and add_prefix" end if @tag and (@remove_prefix or @add_prefix) raise Fluent::ConfigError, "both of tag and remove_prefix/add_prefix must not be specified" end if @remove_prefix @removed_prefix_string = @remove_prefix + '.' @removed_length = @removed_prefix_string.length end if @add_prefix @added_prefix_string = @add_prefix + '.' end # <- tag if conf['type'] == 'woothee_fast_crawler_filter' or @fast_crawler_filter_mode @fast_crawler_filter_mode = true if @filter_categories.size > 0 or @drop_categories.size > 0 or @merge_agent_info raise Fluent::ConfigError, "fast_crawler_filter cannot be specified with filter/drop/merge options" end return end if @filter_categories.size > 0 and @drop_categories.size > 0 raise Fluent::ConfigError, "both of 'filter' and 'drop' categories specified" elsif @filter_categories.size > 0 unless @filter_categories.reduce(true){|r,i| r and Woothee::CATEGORY_LIST.include?(i)} raise Fluent::ConfigError, "filter_categories has invalid category name" end @mode = :filter elsif @drop_categories.size > 0 unless @drop_categories.reduce(true){|r,i| r and Woothee::CATEGORY_LIST.include?(i)} raise Fluent::ConfigError, "drop_categories has invalid category name" end @mode = :drop else @mode = :through end if @mode == :through and not @merge_agent_info raise Fluent::ConfigError, "configured not to do nothing (not to do either filter/drop nor addition of parser result)" end end |
#emit(tag, es, chain) ⇒ Object
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# File 'lib/fluent/plugin/out_woothee.rb', line 143 def emit(tag, es, chain) tag = tag_mangle(tag) if @fast_crawler_filter_mode fast_crawler_filter_emit(tag, es) else normal_emit(tag, es) end chain.next end |
#fast_crawler_filter_emit(tag, es) ⇒ Object
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# File 'lib/fluent/plugin/out_woothee.rb', line 113 def fast_crawler_filter_emit(tag, es) es.each do |time,record| unless Woothee.is_crawler(record[@key_name] || '') router.emit(tag, time, record) end end end |
#normal_emit(tag, es) ⇒ Object
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# File 'lib/fluent/plugin/out_woothee.rb', line 121 def normal_emit(tag, es) es.each do |time,record| parsed = Woothee.parse(record[@key_name] || '') category = parsed[Woothee::ATTRIBUTE_CATEGORY] next if @mode == :filter and not @filter_categories.include?(category) next if @mode == :drop and @drop_categories.include?(category) if @merge_agent_info record = record.merge({ @out_key_name => parsed[Woothee::ATTRIBUTE_NAME], @out_key_category => parsed[Woothee::ATTRIBUTE_CATEGORY].to_s, @out_key_os => parsed[Woothee::ATTRIBUTE_OS] }) record[@out_key_os_version] = parsed[Woothee::ATTRIBUTE_OS_VERSION] if @out_key_os_version record[@out_key_version] = parsed[Woothee::ATTRIBUTE_VERSION] if @out_key_version record[@out_key_vendor] = parsed[Woothee::ATTRIBUTE_VENDOR] if @out_key_vendor end router.emit(tag, time, record) end end |
#tag_mangle(tag) ⇒ Object
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# File 'lib/fluent/plugin/out_woothee.rb', line 94 def tag_mangle(tag) if @tag @tag else if @remove_prefix and ( (tag.start_with?(@removed_prefix_string) and tag.length > @removed_length) or tag == @remove_prefix) tag = tag[@removed_length..-1] end if @add_prefix tag = if tag and tag.length > 0 @added_prefix_string + tag else @add_prefix end end tag end end |