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/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cgroup2
import (
"os"
"path/filepath"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/sys/unix"
)
func checkCgroupMode(tb testing.TB) {
tb.Skip("cgroupv2 support in LXC container on ci.debian.net is broken")
var st unix.Statfs_t
err := unix.Statfs(defaultCgroup2Path, &st)
require.NoError(tb, err, "cannot statfs cgroup root")
isUnified := st.Type == unix.CGROUP2_SUPER_MAGIC
if !isUnified {
tb.Skip("System running in hybrid or cgroupv1 mode")
}
}
func checkCgroupControllerSupported(t *testing.T, controller string) {
b, err := os.ReadFile(filepath.Join(defaultCgroup2Path, controllersFile))
if err != nil || !strings.Contains(string(b), controller) {
t.Skipf("Controller: %s is not supported on that system", controller)
}
}
func checkFileContent(t *testing.T, path, filename, value string) {
out, err := os.ReadFile(filepath.Join(path, filename))
require.NoErrorf(t, err, "failed to read %s file", filename)
assert.Equal(t, value, strings.TrimSpace(string(out)))
}
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