Filter Section

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The [FILTER] section specifies the configuration for a filter plugin. In this configuration, there is a single filter using the WASM plugin. This plugin selects all the logs that match the tag dummy and applies custom processing rules as discussed above.

[FILTER]
   Name                wasm
   match               dummy
   WASM_Path           /fluent-bit/etc/filter.wasm
   Function_Name       go_filter

  • Name: Specifies the filter plugin name (wasm).

  • match: Matches the tag (dummy) to apply this filter to the input data tagged with dummy.

  • WASM_Path: Path to the WebAssembly (Wasm) file that contains the filter logic.

  • Function_Name: The function within the WASM module to be executed (go_filter).

Check out the official documentation for more information about the WASM plugin.