Go mod vendor

Signed-off-by: Shengjing Zhu <zhsj@debian.org>

vendor/github.com/cilium/ebpf/run-tests.sh

@@ -0,0 +1,89 @@
+#!/bin/bash
+# Test the current package under a different kernel.
+# Requires virtme and qemu to be installed.
+
+set -eu
+set -o pipefail
+
+if [[ "${1:-}" = "--in-vm" ]]; then
+  shift
+
+  mount -t bpf bpf /sys/fs/bpf
+  export CGO_ENABLED=0
+  export GOFLAGS=-mod=readonly
+  export GOPATH=/run/go-path
+  export GOPROXY=file:///run/go-root/pkg/mod/cache/download
+  export GOCACHE=/run/go-cache
+
+  elfs=""
+  if [[ -d "/run/input/bpf" ]]; then
+    elfs="/run/input/bpf"
+  fi
+
+  echo Running tests...
+  /usr/local/bin/go test -coverprofile="$1/coverage.txt" -covermode=atomic -v -elfs "$elfs" ./...
+  touch "$1/success"
+  exit 0
+fi
+
+# Pull all dependencies, so that we can run tests without the
+# vm having network access.
+go mod download
+
+# Use sudo if /dev/kvm isn't accessible by the current user.
+sudo=""
+if [[ ! -r /dev/kvm || ! -w /dev/kvm ]]; then
+  sudo="sudo"
+fi
+readonly sudo
+
+readonly kernel_version="${1:-}"
+if [[ -z "${kernel_version}" ]]; then
+  echo "Expecting kernel version as first argument"
+  exit 1
+fi
+
+readonly kernel="linux-${kernel_version}.bz"
+readonly selftests="linux-${kernel_version}-selftests-bpf.bz"
+readonly input="$(mktemp -d)"
+readonly output="$(mktemp -d)"
+readonly tmp_dir="${TMPDIR:-/tmp}"
+readonly branch="${BRANCH:-master}"
+
+fetch() {
+    echo Fetching "${1}"
+    wget -nv -N -P "${tmp_dir}" "https://github.com/cilium/ci-kernels/raw/${branch}/${1}"
+}
+
+fetch "${kernel}"
+
+if fetch "${selftests}"; then
+  mkdir "${input}/bpf"
+  tar --strip-components=4 -xjf "${tmp_dir}/${selftests}" -C "${input}/bpf"
+else
+  echo "No selftests found, disabling"
+fi
+
+echo Testing on "${kernel_version}"
+$sudo virtme-run --kimg "${tmp_dir}/${kernel}" --memory 512M --pwd \
+  --rwdir=/run/input="${input}" \
+  --rwdir=/run/output="${output}" \
+  --rodir=/run/go-path="$(go env GOPATH)" \
+  --rwdir=/run/go-cache="$(go env GOCACHE)" \
+  --script-sh "$(realpath "$0") --in-vm /run/output" \
+  --qemu-opts -smp 2 # need at least two CPUs for some tests
+
+if [[ ! -e "${output}/success" ]]; then
+  echo "Test failed on ${kernel_version}"
+  exit 1
+else
+  echo "Test successful on ${kernel_version}"
+  if [[ -v CODECOV_TOKEN ]]; then
+    curl --fail -s https://codecov.io/bash > "${tmp_dir}/codecov.sh"
+    chmod +x "${tmp_dir}/codecov.sh"
+    "${tmp_dir}/codecov.sh" -f "${output}/coverage.txt"
+  fi
+fi
+
+$sudo rm -r "${input}"
+$sudo rm -r "${output}"