0c5c3d8bb9
This patch removes pkg/util/mount completely, and replaces it with the mount package now located at k8s.io/utils/mount. The code found at k8s.io/utils/mount was moved there from pkg/util/mount, so the code is identical, just no longer in-tree to k/k.
141 lines
3.4 KiB
Go
141 lines
3.4 KiB
Go
// +build linux
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/*
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Copyright 2015 The Kubernetes Authors.
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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 cm
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import (
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"io/ioutil"
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"os"
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"path"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"k8s.io/utils/mount"
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)
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func fakeContainerMgrMountInt() mount.Interface {
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return mount.NewFakeMounter(
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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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func TestCgroupMountValidationSuccess(t *testing.T) {
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f, err := validateSystemRequirements(fakeContainerMgrMountInt())
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assert.Nil(t, err)
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assert.False(t, f.cpuHardcapping, "cpu hardcapping is expected to be disabled")
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}
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func TestCgroupMountValidationMemoryMissing(t *testing.T) {
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mountInt := mount.NewFakeMounter(
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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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_, err := validateSystemRequirements(mountInt)
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assert.Error(t, err)
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}
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func TestCgroupMountValidationMultipleSubsystem(t *testing.T) {
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mountInt := mount.NewFakeMounter(
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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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_, err := validateSystemRequirements(mountInt)
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assert.Nil(t, err)
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}
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func TestSoftRequirementsValidationSuccess(t *testing.T) {
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req := require.New(t)
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tempDir, err := ioutil.TempDir("", "")
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req.NoError(err)
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defer os.RemoveAll(tempDir)
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req.NoError(ioutil.WriteFile(path.Join(tempDir, "cpu.cfs_period_us"), []byte("0"), os.ModePerm))
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req.NoError(ioutil.WriteFile(path.Join(tempDir, "cpu.cfs_quota_us"), []byte("0"), os.ModePerm))
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mountInt := mount.NewFakeMounter(
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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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Path: tempDir,
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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", "memory"},
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},
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})
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f, err := validateSystemRequirements(mountInt)
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assert.NoError(t, err)
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assert.True(t, f.cpuHardcapping, "cpu hardcapping is expected to be enabled")
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}
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