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Exclude non parsed data points #26

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Exclude non parsed data points #26

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7bffda4
Don't append events to events collection if columns don't match.
brupm May 30, 2015
8726faa
Exclude data_points that contain no data.
brupm May 30, 2015
d9ab58c
Supports sprintf-formatting in column names.
brupm May 30, 2015
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8 changes: 6 additions & 2 deletions lib/logstash/outputs/influxdb.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,8 @@ class LogStash::Outputs::InfluxDB < LogStash::Outputs::Base
# otherwise sprintf-filtered numeric values could get sent as strings
# format is `{'column_name' => 'datatype'}`
#
# currently supported datatypes are `integer` and `float`
# Currently supported datatypes are `integer` and `float`
# Supports sprintf-formatting in column names.
#
config :coerce_values, :validate => :hash, :default => {}

Expand Down Expand Up @@ -128,6 +129,8 @@ def receive(event)
event_hash['name'] = event.sprintf(@series)

sprintf_points = Hash[@data_points.map {|k,v| [event.sprintf(k), event.sprintf(v)]}]
sprintf_points.delete_if{|_, v| v[0] == "%"}

if sprintf_points.has_key?('time')
unless @allow_time_override
logger.error("Cannot override value of time without 'allow_time_override'. Using event timestamp")
Expand All @@ -138,6 +141,7 @@ def receive(event)
end

@coerce_values.each do |column, value_type|
column = event.sprintf(column)
if sprintf_points.has_key?(column)
begin
case value_type
Expand Down Expand Up @@ -176,7 +180,7 @@ def flush(events, teardown = false)
begin
if seen_series.has_key?(ev['name']) and (seen_series[ev['name']] == ev['columns'])
@logger.info("Existing series data found. Appending points to that series")
event_collection.select {|h| h['points'] << ev['points'][0] if h['name'] == ev['name']}
event_collection.select {|h| h['points'] << ev['points'][0] if h['columns'] == ev['columns']}
elsif seen_series.has_key?(ev['name']) and (seen_series[ev['name']] != ev['columns'])
@logger.warn("Series '#{ev['name']}' has been seen but columns are different or in a different order. Adding to batch but not under existing series")
@logger.warn("Existing series columns were: #{seen_series[ev['name']].join(",")} and event columns were: #{ev['columns'].join(",")}")
Expand Down