mirror of https://github.com/k3s-io/k3s
126 lines
2.9 KiB
Go
126 lines
2.9 KiB
Go
// +build linux
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/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kubelet
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import (
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"fmt"
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"testing"
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"github.com/stretchr/testify/assert"
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"k8s.io/kubernetes/pkg/util/mount"
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)
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type fakeMountInterface struct {
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mountPoints []mount.MountPoint
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}
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func (mi *fakeMountInterface) Mount(source string, target string, fstype string, options []string) error {
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return fmt.Errorf("unsupported")
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}
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func (mi *fakeMountInterface) Unmount(target string) error {
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return fmt.Errorf("unsupported")
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}
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func (mi *fakeMountInterface) List() ([]mount.MountPoint, error) {
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return mi.mountPoints, nil
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}
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func (mi *fakeMountInterface) IsLikelyNotMountPoint(file string) (bool, error) {
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return false, fmt.Errorf("unsupported")
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}
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func fakeContainerMgrMountInt() mount.Interface {
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return &fakeMountInterface{
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[]mount.MountPoint{
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{
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Device: "cgroup",
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Type: "cgroup",
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Opts: []string{"rw", "relatime", "cpuset"},
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},
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{
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Device: "cgroup",
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Type: "cgroup",
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Opts: []string{"rw", "relatime", "cpu"},
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},
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{
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Device: "cgroup",
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Type: "cgroup",
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Opts: []string{"rw", "relatime", "cpuacct"},
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},
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{
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Device: "cgroup",
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Type: "cgroup",
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Opts: []string{"rw", "relatime", "memory"},
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},
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},
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}
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}
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func TestCgroupMountValidationSuccess(t *testing.T) {
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assert.Nil(t, validateSystemRequirements(fakeContainerMgrMountInt()))
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}
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func TestCgroupMountValidationMemoryMissing(t *testing.T) {
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mountInt := &fakeMountInterface{
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[]mount.MountPoint{
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{
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Device: "cgroup",
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Type: "cgroup",
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Opts: []string{"rw", "relatime", "cpuset"},
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},
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{
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Device: "cgroup",
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Type: "cgroup",
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Opts: []string{"rw", "relatime", "cpu"},
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},
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{
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Device: "cgroup",
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Type: "cgroup",
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Opts: []string{"rw", "relatime", "cpuacct"},
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},
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},
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}
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assert.Error(t, validateSystemRequirements(mountInt))
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}
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func TestCgroupMountValidationMultipleSubsytem(t *testing.T) {
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mountInt := &fakeMountInterface{
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[]mount.MountPoint{
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{
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Device: "cgroup",
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Type: "cgroup",
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Opts: []string{"rw", "relatime", "cpuset", "memory"},
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},
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{
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Device: "cgroup",
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Type: "cgroup",
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Opts: []string{"rw", "relatime", "cpu"},
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},
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{
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Device: "cgroup",
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Type: "cgroup",
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Opts: []string{"rw", "relatime", "cpuacct"},
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},
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},
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}
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assert.Nil(t, validateSystemRequirements(mountInt))
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}
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