Wrap verifier logs in a newtype whose `Debug` impl emits unescaped
newlines. This improves ergonomics in tests where we `Result::unwrap()`
those load errors; when these fail today they emit the errors with
newlines escaped, making them incredibly difficult to read.
This fixes an existing file descriptor leak when there is BTF data in
the loaded object.
To avoid lifetime issues while having minimal impact to UX the
`OwnedFd` returned from the BPF_BTF_LOAD syscall will be wrapped in an
`Arc` and shared accross the programs and maps of the loaded BPF
file.
This is just taking https://github.com/aya-rs/aya/pull/633 to its
logical conclusion. Because `std::os::fd` was only introduced as a
module in Rust v1.66.0 I have also updated the `Cargo.toml` of the
`aya` package to reflect the true MSRV. Note that this commit is *not*
the cause for this MSRV bump, that was done by a previous commit, this
commit is just making it explicit in the `Cargo.toml`
Adds cargo-public-api. This allows for public API changes to get caught
in CI, requiring new changes to be "blessed" by using:
cargo xtask public-api --bless
When this file is changed for aya, Alessandro will need to review the PR.
Signed-off-by: Dave Tucker <dave@dtucker.co.uk>
In release, the trigger functions were being optimized out and the
tests did not work. Use core::hint::black_box to ensure that the
functions are not optimized out. Also, run these integration tests
in CI to ensure that we don't regress.
This happens to fix the miscompilation that occurs when bpf-linker is
moved to LLVM's new pass manager. A later commit will avoid the
miscompilation more convincingly.
Trampoline cargo-in-cargo stdio through cargo:warning to ensure the user
sees all the output.
Use bpf-linker from git in CI so we can see what's going on there.
This gives a better view of the CI pipeline in Github.
Gives us control over what runs and when.
And finally, lets us check only a single status in mergify.
Signed-off-by: Dave Tucker <dave@dtucker.co.uk>
Remove the manual dependency tracking machinery in
integration-test/build.rs in favor of a build-dependency on
integration-ebpf. This required adding an empty lib.rs to create the
library target.
This allows integration-test/build.rs to be ignorant of bpf-linker.
Remove that in favor of the logic now in integration-ebpf.
Extract the symlink-to-bpf-linker logic from integration-test to xtask
and use it in a new build script in integration-ebpf, causing ebpf
probes to be rebuilt when bpf-linker changes. Previously bpf-linker
changes would rebuild integration-test, but not integration-ebpf,
resulting in stale tests.
Note that this still doesn't address the possibility that a new
bpf-linker is added to the PATH ahead of the cached one. Solving this in
the general case would require rebuild-if-changed-env=PATH *and*
rebuild-if-changed={every-directory-in-PATH} which would likely mean far
too much cache invalidation.
This works now that build.rs does the right thing.
Update the `miri test` command in the lint job so it has the proper
exclusions; it is now in line with the invocations in the build-test job.
The ebpf probes require a nightly compiler. Before this change, if you
ran `cargo xtask integration-test` with a stable compiler toolchain as
default, or you ran `cargo +stable xtask integration-test`, you would
have seen an error like the one below. This is now fixed by running the
cargo build command in the integration-ebpf directory and making sure
to clear the RUSTUP_TOOLCHAIN env var.
```
--- stderr
/home/ajwerner/src/github.com/aya-rs/aya/test/integration-test/bpf/ring_buf_sched_tracepoint.bpf.c:18:21: warning: declaration of 'struct switch_args' will not be visible outside of this function [-Wvisibility]
int bpf_prog(struct switch_args* ctx)
^
1 warning generated.
error: the `-Z` flag is only accepted on the nightly channel of Cargo, but this is the `stable` channel
See https://doc.rust-lang.org/book/appendix-07-nightly-rust.html for more information about Rust release channels.
thread 'main' panicked at '"cargo" "build" "-p" "integration-ebpf" "-Z" "build-std=core" "--release" "--message-format=json" "--target" "bpfel-unknown-none" "--target-dir" "/home/ajwerner/src/github.com/aya-rs/aya/target/debug/build/integration-test-9bbcb3db5e9f8f57/out/integration-ebpf" exited
with status code 101:
', test/integration-test/build.rs:219:25
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Error: error while building userspace application
Caused by:
Child { stdin: None, stdout: None, stderr: None, .. } exited with status code 101:
```
Tamir Duberstein
Andrés Medina
ajwerner
Dave Tucker
dependabot[bot]
vadorovsky