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aya/test
Dave Tucker f9edaf9c23 feat(aya): Add is_program_type_supported
This adds a new API to test whether a given program type is supported.

This is to support 3 usecases:

1. A project like bpfman (which uses Aya) may wish to prevent users with
   a list of program types that are supported on the target system
2. A user of Aya may wish to test whether Fentry/Fexit programs are
   supported and code their own behaviour to fallback to Kprobes
3. Our own integration tests can be made to skip certain program tests
   when kernel features are missing.

Signed-off-by: Dave Tucker <dave@dtucker.co.uk>
3 weeks ago
..
integration-common bpf: Handle raw tracepoint arguments 2 months ago
integration-ebpf aya::programs::uprobe: add support for cookies 1 month ago
integration-test feat(aya): Add is_program_type_supported 3 weeks ago
.gitignore test: Replace RTF with Rust 3 years ago
README.md ci: cache downloads 2 months ago

README.md

Aya Integration Tests

The aya integration test suite is a set of tests to ensure that common usage behaviours work on real Linux distros

Prerequisites

You'll need:

  1. rustup toolchain install nightly
  2. rustup target add {aarch64,x86_64}-unknown-linux-musl
  3. cargo install bpf-linker
  4. libelf-dev (libelf-devel on rpm-based distros)
  5. llvm (for llvm-objcopy)
  6. (virtualized only) qemu

Usage

From the root of this repository:

Native

cargo xtask integration-test local

Virtualized

cargo xtask integration-test vm --cache-dir <CACHE_DIR> <KERNEL_IMAGE>...

Writing an integration test

Tests should follow these guidelines:

  • Rust eBPF code should live in integration-ebpf/${NAME}.rs and included in integration-ebpf/Cargo.toml and integration-test/src/lib.rs using include_bytes_aligned!.
  • C eBPF code should live in integration-test/bpf/${NAME}.bpf.c. It should be added to the list of files in integration-test/build.rs and the list of constants in integration-test/src/lib.rs using include_bytes_aligned!.
  • Tests should be added to integration-test/tests.
  • You may add a new module, or use an existing one.
  • Test functions should not return anyhow::Result<()> since this produces errors without stack traces. Prefer to panic! instead.