Fluentd Blog

Fluentd v0.12.24 has been released

Hi users!

We have released Fluentd version 0.12.24. Here are the changes:

New features / Enhancement

• buffer: Add dropoldestchunk to bufferqueuefull_action parameter: #934
• in_tail: Add encoding parameter: #889
• in_tail: Add path_key patameter: #951
• in_monitor_agent: Add emit_config parameter to emit plugin configuration together: #963
• config: Support multiline string in " quoted string: #929

Bug fixes

• in_http: Add Access-Control-Allow-Origin to response header: #882
• parser: Fix logger on Fluent::StringUtil to use $log: #926
• out_forward: Add missing error class definition: #953

in_tail: Add path_key and encoding parameters

We have tail_path plugin to add tailing path to event record. This information is useful when you want to identify the origin in analytics phase. So we merged tail_path feature into core in_tail.

<source>
  @type tail
  path /path/to/app.log
  path_key filepath
</source>

In this configuration, event record is like below:

{"key":"value1","filepath":"/path/to/app.log"}

By default, in_tail emits events with ASCII-8BIT encoding. This is best for log forwarding. On the other hand, if you want to apply filters, it sometimes inconvenience when records contain non-ascii characters. In this case, set encoding UTF-8 resolves the problem. If you want to know supported encoding list, try following command:

$ ruby -e "puts Encoding.name_list.sort"

Support multiline string in " quoted string

This is for configuration readability. Here is an example:

<source>
  @type foo
  config1 "foo
bar"
  config2 "foo\
bar"
</source>

In this configuration, config1 is interpreted as foo\nbar and config2 is interpreted as foobar. You can use \ is to concant next line string without \n.

Lastly, v0.12.24 docker image has also been available on Docker Hub.

Happy logging!