Support embedded Ruby code in section attributes. Fix #2273

[cosmo0920]

Signed-off-by: Hiroshi Hatake hatake@clear-code.com

[cosmo0920]

But this implementation does not permit the following configuration:

<source>
  @type tail
  path temp.log
  tag "docker.#{ENV['FLUENT_TAG']}"
  <parse>
    @type none
  </parse>
</source>

<match "docker.#{ENV['FLUENT_TAG']}".**> # Mixed case is NG
  @type stdout
</match>

<match docker.**>
  @type null
</match>

Should we also permit the above configuration? (Embedded Ruby code and plain text mixed attributes)

The below is OK scenario:

<source>
  @type tail
  path temp.log
  tag "docker.#{ENV['FLUENT_TAG']}"
  <parse>
    @type none
  </parse>
</source>

<match "docker.#{ENV['FLUENT_TAG']}.**"> # Entire Embedded Ruby code is OK
  @type stdout
</match>

<match docker.**>
  @type null
</match>

[repeatedly]

Should we also permit the above configuration? (Embedded Ruby code and plain text mixed attributes)

I think no need support because current " quoted parameter doesn't allow mixied style.

[cosmo0920]

Should we also permit the above configuration? (Embedded Ruby code and plain text mixed attributes)

I think no need support because current " quoted parameter doesn't allow mixied style.

Hmm, I see.

[repeatedly]

Thanks!