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Add CI that builds and runs every example #144

Add CI that builds and runs every example

Add CI that builds and runs every example #144

Workflow file for this run

name: ebpf
on:
push:
paths:
- 'ebpf/**'
- '.github/workflows/ebpf.yml'
pull_request:
types: [opened, synchronize, reopened, ready_for_review]
# No cron: nightly.yml calls this, so the nightly stays one run and one triage writer
workflow_call:
inputs:
caller_run_id:
description: 'run id of the calling workflow; keeps a called run in its own concurrency group'
type: string
default: ''
workflow_dispatch:
# github.workflow is the CALLER's name in a called workflow, so hardcode ours
concurrency:
group: ${{ inputs.caller_run_id && format('ebpf-call-{0}', inputs.caller_run_id) || format('ebpf-{0}', github.ref) }}
cancel-in-progress: ${{ !inputs.caller_run_id }}
permissions:
contents: read
jobs:
resolve:
uses: ./.github/workflows/_resolve-wolfssl.yml
with:
stable_count: 1
ebpf:
needs: resolve
name: Build / ebpf (${{ matrix.example }}) wolfSSL ${{ matrix.wolfssl_ref }}
runs-on: ubuntu-24.04
timeout-minutes: 20
strategy:
fail-fast: false
matrix:
wolfssl_ref: ${{ fromJson(needs.resolve.outputs.refs_json) }}
example:
- ebpf/syscall-write-trace
- ebpf/tls-uprobe-trace
steps:
- uses: actions/checkout@v5
- uses: ./.github/actions/apt-update
# exactly what ebpf/tls-uprobe-trace/README.md documents
- name: Install deps
run: |
set -euo pipefail
sudo apt-get install -y --no-install-recommends \
clang llvm libbpf-dev libelf-dev zlib1g-dev make >/dev/null
# tls-uprobe-trace resolves wolfSSL_write in the installed libwolfssl.so
- uses: ./.github/actions/setup-wolfssl
with:
ref: ${{ matrix.wolfssl_ref }}
flags: "--enable-static --enable-shared"
- name: Build ${{ matrix.example }}
run: |
set -euo pipefail
cd '${{ matrix.example }}'
make
# a green make proves nothing if the BPF object was not produced
- name: Assert a BPF object came out
run: |
set -euo pipefail
cd '${{ matrix.example }}'
o=$(find . -name '*.bpf.o' -o -name '*_bpf.o' | head -n1)
[ -n "$o" ] || { echo "FAIL: no BPF object built"; exit 1; }
file "$o"
file "$o" | grep -qi 'eBPF\|BPF' || { echo "FAIL: not a BPF object"; exit 1; }
echo "verified: $o"