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aya/test
Addison Crump 55aa5a655d
Prevent verification failure by making the log level static immutable
The log level implementation in #1335 was incomplete as the verifier
could reject programs which exceeded their instruction limits within
logging statements. This commit addresses this issue by making the
log level static variable immutable (s.t. the compiler puts it in a
read-only section) and adds an additional test which the verifier
will reject as an infinite loop iff it is unable to detect that the
static variable would otherwise allow the logging.
7 days ago
..
integration-common taplo: reorder-keys 6 months ago
integration-ebpf Prevent verification failure by making the log level static immutable 7 days ago
integration-test Prevent verification failure by making the log level static immutable 7 days ago
.gitignore test: Replace RTF with Rust 3 years ago
README.md ci: cache downloads 9 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.