How do you store variables for logstash?

Elastic Stack Logstash
1

There are a few things that I am doing in logstash for which I would like to store variables in a file that is separate from the logstash filter configs themselves. For example, I am using the CIDR filter in a few different environments. Each one of them has different CIDR blocks and tags that I want to apply.

Is there some way that I can store the CIDR blocks and tags somewhere other than within the logstash filter file itself? I want to avoid having to edit my core logstash filters in each environment.

Has anyone done something like this? Or should I just use templates (ansible, etc.) to generate the appropriate code in my logstash files?

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I'd say generate your configuration files. That said, there is an open pull request for the cidr filter that adds the possibility to load network patterns from a file. I'll review it tomorrow so it might be released fairly soon.

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