- source
# https://github.com/fluent/fluentd/blob/master/example/v0_12_filter.conf
# An example config to use filter plugins.
# THIS FEATURE IS SUPPORTED FOR v0.12 AND ABOVE.
# in_forward to generate events to be tested.
# You can send an arbitrary event with an arbitrary tag.
# For example, the following command creates the event
# {"message":"hello world"} with tag = foo
#
# $ echo '{"message":"hello world"}' | fluent-cat foo
<source>
@type forward
port 24224
</source>
# For all events with the tag "foo", filter it out
# UNLESS the value of the "message" field matches /keep this/
#
# - {"message":"keep this please"} is kept.
# - {"message":"Do not keep"} is filtered out.
# - {"messag22":"keep this please"} is filtered out.
<filter foo>
@type grep
regexp1 message keep this
</filter>
# Matches the events that was kept by the above filter
<match foo>
@type stdout
</match>
# For all events with the tag "bar", add the machine's hostname with
# the key "hostname" BEFORE forwarding to another instance of Fluentd
# at 123.4.2.4:24224.
<filter bar>
@type record_transformer
<record>
hostname ${hostname}
</record>
</filter>
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