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diff --git a/fluent-bit/examples/filter_rust/README.md b/fluent-bit/examples/filter_rust/README.md new file mode 100644 index 000000000..f1f3841a6 --- /dev/null +++ b/fluent-bit/examples/filter_rust/README.md @@ -0,0 +1,59 @@ +# Fluent Bit / filter_rust + +This source source tree provides an example of WASM program with WASI mode mainly written in Rust. + +## Prerequisites + +* Rust + * rustc 1.61.0 (fe5b13d68 2022-05-18) +* [rustup](https://rustup.rs/) (For preparing rust compiler and toolchains) + +## How to build + +Add `wasm32-unknown-unknown` target for Rust toolchain: + +```console +$ rustup target add wasm32-unknown-unknown +``` + +Then, execute _cargo build_ as follows: + +```console +$ cargo build --target wasm32-unknown-unknown --release +``` + +Finally, `*.wasm` file will be created: + +```console +$ ls target/wasm32-unknown-unknown/release/*.wasm +target/wasm32-unknown-unknown/release/filter_rust.wasm +``` + +## How to confirm WASM filter integration + +Create fluent-bit configuration file as follows: + +```ini +[SERVICE] + Flush 1 + Daemon Off + Log_Level info + HTTP_Server Off + HTTP_Listen 0.0.0.0 + HTTP_Port 2020 + +[INPUT] + Name dummy + Tag dummy.local + +[FILTER] + Name wasm + match dummy.* + WASM_Path /path/to/filter_rust.wasm + Function_Name rust_filter + accessible_paths .,/path/to/fluent-bit + +[OUTPUT] + Name stdout + Match * +``` |