What Is the Grok Patterns Library
Cribl LogStream ships with a Grok Patterns Library that contains a set of pre-built common patterns, organized as files.
Managing Library Patterns
You can access the Grok Patterns Library from the UI's top nav by selecting Procssing > Knowledge > Grok Patterns. The library contains several pattern files that Cribl provides for basic Grok scenarios, and is searchable.
To edit a pattern file, click Edit in its Actions column.
To create a new pattern file, click + Add New. In the resulting Create Grok Patterns modal, assign a unique Filename, populate the file with patterns, then click Save.
Pattern files reside in:
Using Grok Patterns
In the current LogStream version, you apply Grok patterns by inserting a Grok Function into a Pipeline, then manually typing or pasting patterns into the Pattern field(s).