Function dockerRuntimes

integration/gpu_test.go:151–162

dockerRuntimes returns the list of container runtimes available on the host. It does this by running `docker info` and parsing the output.

(t *testing.T)

// dockerRuntimes returns the list of container runtimes available on the host.
// It does this by running `docker info` and parsing the output.
func dockerRuntimes(t *testing.T) []string {
	t.Helper()

	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

	cmd := exec.CommandContext(ctx, "docker", "info", "--format", "{{ range $k, $v := .Runtimes}}{{ println $k }}{{ end }}")
	out, err := cmd.CombinedOutput()
	require.NoError(t, err, "failed to get docker runtimes: %s", out)
	raw := strings.TrimSpace(string(out))
	return strings.Split(raw, "\n")
}

// outerFiles returns the list of files in the outer container matching the
// given pattern. It does this by running `ls -1` in the outer container.