Fluentd CSV to Prometheus

[Frany Chevry]

Hello, 

Could someone please let me know if they have worked with pushing csv files data to prometheus using Fluentd. 

here's an example of my configuration file

<source>

  @type prometheus

</source>

<source>

  @type tail

  format csv

  path /testing/ip.csv

  pos_file /var/spool/td-agent/testing.pos

  tag testing

  keys key1,key2,key3

  time_key key2

  time_format %m/%d/%Y %H:%M:%S

</source>

<match **>

  @type copy

  format json

  <store>

    @type prometheus

    <metric>

      name key1

      type gauge

      desc The total Owner Array Name

      key key1

    </metric>

  </store>

</match>

When I look at the fluentd log, this is what the output looks like

2017-06-29 14:40:37 +0000 [warn]: prometheus: failed to instrument a metric. error_class=ArgumentError error=#<ArgumentError: value must be a number> tag="testing" name="key1"

2017-06-29 14:40:37 +0000 [warn]: dump an error event: error_class=ArgumentError error="value must be a number" tag="testing" time=1498669768 record={ "key1"=>"0.000000"}.....

So based on this configuration with prometheus, it's listening to a specific port, when I go to the port, I do not see any data. I see the name and the type, but no value. Anybody have had to work with this in the past?

Thank you.

[Mr. Fiber]

The error said the cause. You need to use number instead of string.

See http://docs.fluentd.org/v0.12/articles/parser_csv#types

Masahiro

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