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Allow the clones to be specified by an array in the event #10

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Allow the clones to be specified by an array in the event #10

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9 changes: 8 additions & 1 deletion lib/logstash/filters/clone.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,8 @@ class LogStash::Filters::Clone < LogStash::Filters::Base

# A new clone will be created with the given type for each type in this list.
config :clones, :validate => :array, :default => []
# if you want to dynamically specify the list of clones based on a field in the event
config :clone_array_name, :validate => :string

public
def register
Expand All @@ -19,7 +21,12 @@ def register

public
def filter(event)
@clones.each do |type|
if @clone_array_name
clones = event.get(@clone_array_name);
else
clones = @clones;
end
clones.each do |type|
clone = event.clone
clone.set("type", type)
filter_matched(clone)
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23 changes: 23 additions & 0 deletions spec/filters/clone_spec.rb
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Expand Up @@ -62,6 +62,29 @@
end
end

describe "clone_array_name" do
config <<-CONFIG
filter {
clone {
clone_array_name => "clones"
}
}
CONFIG

sample("type" => "nginx-access", "tags" => ["TESTLOG"], "message" => "hello world", "clones" => ["1","2","3"]) do
insist { subject }.is_a? Array
insist { subject.length } == 4

insist { subject[0].get("type") } == "nginx-access"
#Initial event remains unchanged
insist { subject[0].get("tags") }.include? "TESTLOG"
#All clones go through filter_matched
insist { subject[1].get("type") } == "1"
insist { subject[2].get("type") } == "2"
insist { subject[3].get("type") } == "3"
end
end

describe "Bug LOGSTASH-1225" do
### LOGSTASH-1225: Cannot clone events containing numbers.
config <<-CONFIG
Expand Down