add experimental notice for --allow-env flag

Fixes #5036

Fixes #5059
This commit is contained in:
Pere Urbon-Bayes 2016-04-06 17:13:40 +02:00 committed by DeDe Morton
parent 37bbfba0b9
commit db6d9534f2

View file

@ -601,6 +601,9 @@ output {
[[environment-variables]] [[environment-variables]]
=== Using Environment Variables in Configuration === Using Environment Variables in Configuration
This feature is _experimental_, to enable it you will need to run logstash with the `--allow-env` flag.
==== Overview ==== Overview
* You can set environment variable references into Logstash plugins configuration using `${var}` or `$var`. * You can set environment variable references into Logstash plugins configuration using `${var}` or `$var`.