Rust: add binary blobs (#415)

Signed-off-by: Florian Lehner <florian.lehner@elastic.co>

Author: florianl

.github/workflows/unit-test-on-pull-request.yml

@@ -74,29 +74,33 @@ jobs:
       - name: Tests
         run: make test TARGET_ARCH=${{ matrix.target_arch }}
 
-  check-ebpf-blobs:
-    name: Check for differences in the eBPF binary blobs
+  check-binary-blobs:
+    name: Check for differences in the eBPF and Rust binary blobs
     runs-on: ubuntu-24.04
     container: otel/opentelemetry-ebpf-profiler-dev:latest
+    defaults:
+      run:
+        shell: bash --login {0}
     steps:
       - name: Clone code
         uses: actions/checkout@v4
-      - name: Hash eBPF blobs
-        run: |
-          sha256sum support/ebpf/tracer.ebpf.release.* > ebpf-blobs.hash
       - name: Rebuild eBPF blobs
         run: |
           rm support/ebpf/tracer.ebpf.release.*
           make amd64 -C support/ebpf
           make arm64 -C support/ebpf
+      - name: Rebuild Rust blobs
+        run: |
+          rm -rf target/
+          make rust-components TARGET_ARCH=amd64
+          make rust-components TARGET_ARCH=arm64
       - name: Check for differences
         run: |
-          if ! sha256sum --check ebpf-blobs.hash; then
-            echo "Please rebuild and commit the updated eBPF binary blobs."
+          if ! git diff --exit-code --name-only; then
+            echo "Binary blob(s) changed, please rebuild and commit the updated blobs."
             exit 1
           fi
 
-
   build-integration-test-binaries:
     name: Build integration test binaries (${{ matrix.target_arch }})
     runs-on: ubuntu-24.04

.gitignore

@@ -5,4 +5,8 @@
 /go
 ebpf-profiler
 ci-kernels
-/target
+# Ignore target directory
+target/*
+# But not these specific paths
+!target/x86_64-unknown-linux-musl/release/libsymblib_capi.a
+!target/aarch64-unknown-linux-musl/release/libsymblib_capi.a

Dockerfile

@@ -2,14 +2,17 @@ FROM debian:testing-20241223-slim
 
 WORKDIR /agent
 
+RUN dpkg --add-architecture amd64 && dpkg --add-architecture arm64
+
 # cross_debian_arch: amd64 or arm64
 # cross_pkg_arch: x86-64 or aarch64
 RUN cross_debian_arch=$(uname -m | sed -e 's/aarch64/amd64/'  -e 's/x86_64/arm64/'); \
     cross_pkg_arch=$(uname -m | sed -e 's/aarch64/x86-64/' -e 's/x86_64/aarch64/'); \
     apt-get update -y && \
     apt-get dist-upgrade -y && \
     apt-get install -y curl wget make git cmake clang-17 unzip libc6-dev g++ gcc pkgconf \
-        gcc-${cross_pkg_arch}-linux-gnu libc6-${cross_debian_arch}-cross musl-dev && \
+        gcc-${cross_pkg_arch}-linux-gnu libc6-${cross_debian_arch}-cross \
+        musl-dev:amd64 musl-dev:arm64 && \
     apt-get clean autoclean && \
     apt-get autoremove --yes