Fluent::Plugin::Format, a plugin for Fluentd
Output plugin to format fields of records.
You can add or change fields using existing values and re-emit them.
Installation
$ gem install fluent-plugin-format
Usage
<match input.tag>
type format
tag output.tag
key1 Hi, I'm %{key1}!
new_key1 key1 is %{key1}.
new_key2 key1 is %{key1}, key2 is %{key2}.
</match>
Pass this record:
input.tag: {
"key1": "val1",
"key2": "val2"
}
Then you get:
output.tag: {
"key1": "Hi, I'm val1!",
"key2": "val2",
"new_key1": "key1 is val1.",
"new_key2": "key1 is val1, key2 is val2."
}
include_original_fields
You can set include_original_fields false to exclude original fields (defalut true).
<match input.tag>
type format
tag output.tag
include_original_fields false
html <h1>%{title}</h1><div><%{content}/div>
</match>
Pass this record:
input.tag: {
"title": "Fluentd: Open Source Log Management",
"content": "Fluentd is an open-source tool to collect events and logs. 150+ plugins instantly enables you to store the massive data for Log Search, Big Data Analytics, and Archiving (MongoDB, S3, Hadoop)."
}
Then you get:
output.tag {
"html": "<h1>Fluentd: Open Source Log Management</h1><div>Fluentd is an open-source tool to collect events and logs. 150+ plugins instantly enables you to store the massive data for Log Search, Big Data Analytics, and Archiving (MongoDB, S3, Hadoop).</div>"
}