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#7083 document logstash.yml ENV interpolation

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Fixes #7084
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Armin 2017-05-12 10:39:08 +02:00 • committed by Armin Braun
parent d989517f83
commit cffabc7a59
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18
docs/static/settings-file.asciidoc vendored
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@ -27,6 +27,24 @@ pipeline.batch.size: 125
pipeline.batch.delay: 5
-------------------------------------------------------------------------------------
The `logstash.yml` file also supports bash-style interpolation of environment variables in
setting values.
[source,yaml]
-------------------------------------------------------------------------------------
pipeline:
batch:
size: ${BATCH_SIZE}
delay: ${BATCH_DELAY:5}
node:
name: "node_${LS_NODE_NAME}"
path:
queue: "/tmp/${QUEUE_DIR:queue}"
-------------------------------------------------------------------------------------
Note that the `${VAR_NAME:default_value}` notation is supported, setting a default batch delay
of `5` and a default `path.queue` of `/tmp/queue` in the above example.
The `logstash.yml` file includes the following settings:
[options="header"]