Filter chain

[Guido Lova]

Hi,
i'm using a filter chain with fluentd 0.12 without problems. Updating it to 0.14 it seems no more possible to use a key name in two chained filters. This is an example of a not working config:

 <source>
    @type exec
    command "echo \"test\""
    keys k1
    run_interval 2s
    tag test
  </source>

<filter test>
  @type record_transformer
  enable_ruby
  <record>
    myhostname zumpappa
    appname ${hostname.gsub(/-?[0-9]+$/,'')}
  </record>
</filter>

<filter test>
  @type record_transformer
  <record>
    builttag file.${myhostname}.${appname}.XXX
  </record>
</filter>

the result is:
2017-04-07 11:58:14 +0200 [warn]: #0 unknown placeholder `${myhostname}` found
2017-04-07 11:58:14 +0200 [warn]: #0 unknown placeholder `${appname}` found

any idea of why is not working in fluent 0.14 ?

tks

[Rich Megginson]

Because fluent 0.14 has deprecated the feature of making fields into top
level variables of the same name.

You will need to use ${record['myhostname']} instead of ${myhostname}, etc.

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[Guido Lova]

good to know.

thank you!