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Tamir Duberstein 23bea22ac1 integration-test: build one binary instead of N "integration tests" as defined by Cargo produce a binary per file in the tests directory. This is really not what we want and has a number of downsides, but the main one is binary size. Before: tamird@pc:~/src/aya$ cargo xtask build-integration-test \| xargs ls -lah Finished dev [unoptimized + debuginfo] target(s) in 0.05s Running `target/debug/xtask build-integration-test` Compiling integration-test v0.1.0 (/home/tamird/src/aya/test/integration-test) Finished dev [unoptimized + debuginfo] target(s) in 0.68s -rwxrwxr-x 1 tamird tamird 34M Jul 12 15:21 /home/tamird/src/aya/target/debug/deps/bpf_probe_read-e03eb905a5e6209c -rwxrwxr-x 1 tamird tamird 35M Jul 12 15:21 /home/tamird/src/aya/target/debug/deps/btf_relocations-57a4fbb38bf06064 -rwxrwxr-x 1 tamird tamird 31M Jul 12 15:21 /home/tamird/src/aya/target/debug/deps/elf-98b7a32d6d04effb -rwxrwxr-x 1 tamird tamird 6.9M Jul 12 15:21 /home/tamird/src/aya/target/debug/deps/integration_test-0dd55ce96bfdad77 -rwxrwxr-x 1 tamird tamird 34M Jul 12 15:21 /home/tamird/src/aya/target/debug/deps/load-0718562e85b86d03 -rwxrwxr-x 1 tamird tamird 40M Jul 12 15:21 /home/tamird/src/aya/target/debug/deps/log-dbf355f9ea34068a -rwxrwxr-x 1 tamird tamird 36M Jul 12 15:21 /home/tamird/src/aya/target/debug/deps/rbpf-89a1bb848fa5cc3c -rwxrwxr-x 1 tamird tamird 34M Jul 12 15:21 /home/tamird/src/aya/target/debug/deps/relocations-cfe655c3bb413d8b -rwxrwxr-x 1 tamird tamird 34M Jul 12 15:21 /home/tamird/src/aya/target/debug/deps/smoke-ccd3974180a3fd29 After: tamird@pc:~/src/aya$ cargo xtask build-integration-test \| xargs ls -lah Finished dev [unoptimized + debuginfo] target(s) in 0.05s Running `target/debug/xtask build-integration-test` Compiling integration-test v0.1.0 (/home/tamird/src/aya/test/integration-test) Finished dev [unoptimized + debuginfo] target(s) in 0.90s -rwxrwxr-x 1 tamird tamird 47M Jul 12 15:21 /home/tamird/src/aya/target/debug/deps/integration_test-0dd55ce96bfdad77 Since we plan to run these tests in a VM, copying 10x fewer bytes seems like a win.		2 years ago
..
integration-ebpf	integration-test: compile Rust probes using build.rs	2 years ago
integration-test	integration-test: build one binary instead of N	2 years ago
.gitignore	test: Replace RTF with Rust	3 years ago
README.md	integration-test: compile Rust probes using build.rs	2 years ago
cloud-localds	integration-tests: run on macos to get nested virtualization	2 years ago
run.sh	integration-test: build "fake" by default	2 years 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

Linux

To run locally all you need is:

Rust nightly
libelf
A checkout of libbpf
cargo install bpf-linker
bpftool

Other OSs

A POSIX shell
A checkout of libbpf
rustup target add x86_64-unknown-linux-musl
cargo install bpf-linker
Install qemu and cloud-init-utils package - or any package that provides cloud-localds

Usage

From the root of this repository:

Native

cargo xtask integration-test

Virtualized

./test/run.sh

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.