65 lines
1.6 KiB
Go
65 lines
1.6 KiB
Go
//go:build linux
|
|
// +build linux
|
|
|
|
/*
|
|
Copyright 2020 The Kubernetes 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 cgroups
|
|
|
|
import (
|
|
"log"
|
|
"os"
|
|
|
|
"github.com/onsi/ginkgo/v2"
|
|
"github.com/stretchr/testify/assert"
|
|
|
|
"k8s.io/ingress-nginx/test/e2e/framework"
|
|
|
|
"k8s.io/ingress-nginx/pkg/util/runtime"
|
|
)
|
|
|
|
var _ = framework.IngressNginxDescribeSerial("[CGroups] cgroups", func() {
|
|
f := framework.NewDefaultFramework("cgroups")
|
|
|
|
ginkgo.BeforeEach(func() {
|
|
f.NewEchoDeployment()
|
|
f.NewSlowEchoDeployment()
|
|
})
|
|
|
|
ginkgo.It("detects if cgroups is avaliable", func() {
|
|
assert.Equal(ginkgo.GinkgoT(), runtime.IsCgroupAvaliable(), 1)
|
|
})
|
|
|
|
ginkgo.It("detects cgroups version v1", func() {
|
|
assert.Equal(ginkgo.GinkgoT(), runtime.readCgroupFileToInt64(), 1)
|
|
})
|
|
|
|
ginkgo.It("detects number of CPUs properly in cgroups v1", func() {
|
|
assert.Equal(ginkgo.GinkgoT(), runtime.NumCPU(), -1)
|
|
})
|
|
|
|
ginkgo.It("detects cgroups version v2", func() {
|
|
// create cgroups2 files
|
|
if err := os.MkdirAll("a/b/c/d", os.ModePerm); err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
|
|
})
|
|
|
|
ginkgo.It("detects number of CPUs properly in cgroups v2", func() {
|
|
assert.Equal(ginkgo.GinkgoT(), runtime.NumCPU(), -1)
|
|
})
|
|
})
|