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Refactored the collectd plugin to be a codec

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It can now take advantage of the new UDP plugin's enhanced speed.
This commit is contained in:
Aaron Mildenstein 2014-04-22 13:34:46 -05:00
parent 8336ce60d3
commit 2ef0010002
1 changed files with 14 additions and 2 deletions
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16
lib/logstash/codecs/collectd.rb
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@ -350,7 +350,14 @@ class LogStash::Codecs::Collectd < LogStash::Codecs::Base
# Fill in the fields. # Fill in the fields.
if values.kind_of?(Array) if values.kind_of?(Array)
if values.length > 1 # Only do this iteration on multi-value arrays if values.length > 1 # Only do this iteration on multi-value arrays
values.each_with_index {|value, x| @collectd[@types[@collectd['collectd_type']][x]] = values[x]} #values.each_with_index {|value, x| @collectd[@types[@collectd['collectd_type']][x]] = values[x]}
values.each_with_index do |value, x|
type = @collectd['collectd_type']
key = @types[type]
key_x = key[x]
# assign
@collectd[key_x] = value
end
else # Otherwise it's a single value else # Otherwise it's a single value
@collectd['value'] = values[0] # So name it 'value' accordingly @collectd['value'] = values[0] # So name it 'value' accordingly
end end
@ -364,12 +371,17 @@ class LogStash::Codecs::Collectd < LogStash::Codecs::Base
# This is better than looping over all keys every time. # This is better than looping over all keys every time.
@collectd.delete('type_instance') if @collectd['type_instance'] == "" @collectd.delete('type_instance') if @collectd['type_instance'] == ""
@collectd.delete('plugin_instance') if @collectd['plugin_instance'] == "" @collectd.delete('plugin_instance') if @collectd['plugin_instance'] == ""
yield LogStash::Event.new(@collectd) # This ugly little shallow-copy hack keeps the new event from getting munged by the cleanup
# since pass-by-reference allows this (if we pass @collectd, then clean it up rapidly)
send_me = @collectd.dup
yield LogStash::Event.new(send_me)
end end
# Clean up the event # Clean up the event
@collectd.each_key do |k| @collectd.each_key do |k|
@collectd.delete(k) if !['host','collectd_type', 'plugin', 'plugin_instance', '@timestamp', 'type_instance'].include?(k) @collectd.delete(k) if !['host','collectd_type', 'plugin', 'plugin_instance', '@timestamp', 'type_instance'].include?(k)
end end
# This needs to go here to clean up before the next chunk iteration
was_encrypted = false
end end
end # while payload.length > 0 do end # while payload.length > 0 do
end # def decode end # def decode