Repository for dynamic tracing queries.

Dependencies

We primarily use Ubuntu 18.04 for our tests. For convenience, dependencies can be installed with the setup.sh command. It contains all the steps necessary to set up the compiler.

Package Dependencies (Minikube)

• rust to build the dynamic tracing compiler
• bazel to build WASM filters for Envoy

The Dyntracing Compiler (dtc)

Building the Compiler

The compiler can be installed with cargo install --path . --root . --no-track. After, the binary can be found in the bin folder.

Compiling a Filter from a Query

`target/release/snicket -q [QUERY] -u [USER_DEFINED_FUNCTION]` 

Examples

• Compile a counting query with the user defined function "height" and result will be written to rust_filter/filter.rs.

target/release/snicket -q example_queries/height.cql -u example_udfs/height.rs -o rust_filter/filter.rs -c sim -r productpage-v1

• Compile service_name query and result wiil be written to default location to filter_envoy/filter.rs

target/debug/dtc -q example_queries/get_service_name.cql -o rust_filter/filter.rs -c sim -r productpage-v1