/
cri_stats_provider_test.go
1342 lines (1203 loc) · 54.5 KB
/
cri_stats_provider_test.go
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/*
Copyright 2017 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 stats
import (
"context"
"math/rand"
"os"
"path/filepath"
"runtime"
"strings"
"testing"
"time"
"github.com/golang/mock/gomock"
cadvisorfs "github.com/google/cadvisor/fs"
cadvisorapiv2 "github.com/google/cadvisor/info/v2"
"github.com/stretchr/testify/assert"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/uuid"
runtimeapi "k8s.io/cri-api/pkg/apis/runtime/v1"
critest "k8s.io/cri-api/pkg/apis/testing"
statsapi "k8s.io/kubelet/pkg/apis/stats/v1alpha1"
kubelettypes "k8s.io/kubelet/pkg/types"
cadvisortest "k8s.io/kubernetes/pkg/kubelet/cadvisor/testing"
"k8s.io/kubernetes/pkg/kubelet/cm"
kubecontainertest "k8s.io/kubernetes/pkg/kubelet/container/testing"
"k8s.io/kubernetes/pkg/kubelet/kuberuntime"
kubepodtest "k8s.io/kubernetes/pkg/kubelet/pod/testing"
serverstats "k8s.io/kubernetes/pkg/kubelet/server/stats"
"k8s.io/kubernetes/pkg/volume"
)
const (
offsetInodeUsage = iota
offsetUsage
)
const (
// This offset offsetCRI is to distinguish it from Cadvisor stats
offsetCRI = 1000
)
const (
seedRoot = 0
seedKubelet = 200
seedMisc = 300
seedSandbox0 = 1000
seedContainer0 = 2000
seedSandbox1 = 3000
seedContainer1 = 4000
seedContainer2 = 5000
seedSandbox2 = 6000
seedContainer3 = 7000
seedSandbox3 = 8000
)
const (
pName0 = "pod0"
pName1 = "pod1"
pName2 = "pod2"
)
const (
cName0 = "container0-name"
cName1 = "container1-name"
cName2 = "container2-name"
cName3 = "container3-name"
cName5 = "container5-name"
cName6 = "container6-name"
cName7 = "container7-name"
cName8 = "container8-name"
cName9 = "container9-name"
)
const testPodLogDirectory = "/var/log/kube/pods/" // Use non-default path to ensure stats are collected properly
func TestCRIListPodStats(t *testing.T) {
ctx := context.Background()
var (
imageFsMountpoint = "/test/mount/point"
unknownMountpoint = "/unknown/mount/point"
imageFsInfo = getTestFsInfo(2000)
rootFsInfo = getTestFsInfo(1000)
sandbox0 = makeFakePodSandbox("sandbox0-name", "sandbox0-uid", "sandbox0-ns", false)
sandbox0Cgroup = "/" + cm.GetPodCgroupNameSuffix(types.UID(sandbox0.PodSandboxStatus.Metadata.Uid))
container0 = makeFakeContainer(sandbox0, cName0, 0, false)
containerStats0 = makeFakeContainerStats(container0, imageFsMountpoint)
containerLogStats0 = makeFakeLogStats(1000)
container1 = makeFakeContainer(sandbox0, cName1, 0, false)
containerStats1 = makeFakeContainerStats(container1, unknownMountpoint)
containerLogStats1 = makeFakeLogStats(2000)
sandbox1 = makeFakePodSandbox("sandbox1-name", "sandbox1-uid", "sandbox1-ns", false)
sandbox1Cgroup = "/" + cm.GetPodCgroupNameSuffix(types.UID(sandbox1.PodSandboxStatus.Metadata.Uid))
container2 = makeFakeContainer(sandbox1, cName2, 0, false)
containerStats2 = makeFakeContainerStats(container2, imageFsMountpoint)
containerLogStats2 = makeFakeLogStats(3000)
sandbox2 = makeFakePodSandbox("sandbox2-name", "sandbox2-uid", "sandbox2-ns", false)
sandbox2Cgroup = "/" + cm.GetPodCgroupNameSuffix(types.UID(sandbox2.PodSandboxStatus.Metadata.Uid))
container3 = makeFakeContainer(sandbox2, cName3, 0, true)
containerStats3 = makeFakeContainerStats(container3, imageFsMountpoint)
container4 = makeFakeContainer(sandbox2, cName3, 1, false)
containerStats4 = makeFakeContainerStats(container4, imageFsMountpoint)
containerLogStats4 = makeFakeLogStats(4000)
// Running pod with a terminated container and a running container
sandbox3 = makeFakePodSandbox("sandbox3-name", "sandbox3-uid", "sandbox3-ns", false)
sandbox3Cgroup = "/" + cm.GetPodCgroupNameSuffix(types.UID(sandbox3.PodSandboxStatus.Metadata.Uid))
container5 = makeFakeContainer(sandbox3, cName5, 0, true)
containerStats5 = makeFakeContainerStats(container5, imageFsMountpoint)
containerLogStats5 = makeFakeLogStats(5000)
container8 = makeFakeContainer(sandbox3, cName8, 0, false)
containerStats8 = makeFakeContainerStats(container8, imageFsMountpoint)
containerLogStats8 = makeFakeLogStats(6000)
// Terminated pod sandbox
sandbox4 = makeFakePodSandbox("sandbox1-name", "sandbox1-uid", "sandbox1-ns", true)
container6 = makeFakeContainer(sandbox4, cName6, 0, true)
containerStats6 = makeFakeContainerStats(container6, imageFsMountpoint)
// Terminated pod
sandbox5 = makeFakePodSandbox("sandbox1-name", "sandbox5-uid", "sandbox1-ns", true)
container7 = makeFakeContainer(sandbox5, cName7, 0, true)
containerStats7 = makeFakeContainerStats(container7, imageFsMountpoint)
podLogName0 = "pod-log-0"
podLogName1 = "pod-log-1"
podLogStats0 = makeFakeLogStats(5000)
podLogStats1 = makeFakeLogStats(6000)
)
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
var (
mockCadvisor = cadvisortest.NewMockInterface(mockCtrl)
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
mockPodManager = new(kubepodtest.MockManager)
resourceAnalyzer = new(fakeResourceAnalyzer)
fakeRuntimeService = critest.NewFakeRuntimeService()
fakeImageService = critest.NewFakeImageService()
)
infos := map[string]cadvisorapiv2.ContainerInfo{
"/": getTestContainerInfo(seedRoot, "", "", ""),
"/kubelet": getTestContainerInfo(seedKubelet, "", "", ""),
"/system": getTestContainerInfo(seedMisc, "", "", ""),
sandbox0.PodSandboxStatus.Id: getTestContainerInfo(seedSandbox0, pName0, sandbox0.PodSandboxStatus.Metadata.Namespace, kubelettypes.PodInfraContainerName),
sandbox0Cgroup: getTestContainerInfo(seedSandbox0, "", "", ""),
container0.ContainerStatus.Id: getTestContainerInfo(seedContainer0, pName0, sandbox0.PodSandboxStatus.Metadata.Namespace, cName0),
container1.ContainerStatus.Id: getTestContainerInfo(seedContainer1, pName0, sandbox0.PodSandboxStatus.Metadata.Namespace, cName1),
sandbox1.PodSandboxStatus.Id: getTestContainerInfo(seedSandbox1, pName1, sandbox1.PodSandboxStatus.Metadata.Namespace, kubelettypes.PodInfraContainerName),
sandbox1Cgroup: getTestContainerInfo(seedSandbox1, "", "", ""),
container2.ContainerStatus.Id: getTestContainerInfo(seedContainer2, pName1, sandbox1.PodSandboxStatus.Metadata.Namespace, cName2),
sandbox2.PodSandboxStatus.Id: getTestContainerInfo(seedSandbox2, pName2, sandbox2.PodSandboxStatus.Metadata.Namespace, kubelettypes.PodInfraContainerName),
sandbox2Cgroup: getTestContainerInfo(seedSandbox2, "", "", ""),
container4.ContainerStatus.Id: getTestContainerInfo(seedContainer3, pName2, sandbox2.PodSandboxStatus.Metadata.Namespace, cName3),
sandbox3Cgroup: getTestContainerInfo(seedSandbox3, "", "", ""),
}
options := cadvisorapiv2.RequestOptions{
IdType: cadvisorapiv2.TypeName,
Count: 2,
Recursive: true,
}
mockCadvisor.EXPECT().ContainerInfoV2("/", options).Return(infos, nil)
mockCadvisor.EXPECT().RootFsInfo().Return(rootFsInfo, nil)
mockCadvisor.EXPECT().GetDirFsInfo(imageFsMountpoint).Return(imageFsInfo, nil)
mockCadvisor.EXPECT().GetDirFsInfo(unknownMountpoint).Return(cadvisorapiv2.FsInfo{}, cadvisorfs.ErrNoSuchDevice)
fakeRuntimeService.SetFakeSandboxes([]*critest.FakePodSandbox{
sandbox0, sandbox1, sandbox2, sandbox3, sandbox4, sandbox5,
})
fakeRuntimeService.SetFakeContainers([]*critest.FakeContainer{
container0, container1, container2, container3, container4, container5, container6, container7, container8,
})
fakeRuntimeService.SetFakeContainerStats([]*runtimeapi.ContainerStats{
containerStats0, containerStats1, containerStats2, containerStats3, containerStats4, containerStats5, containerStats6, containerStats7, containerStats8,
})
ephemeralVolumes := makeFakeVolumeStats([]string{"ephVolume1, ephVolumes2"})
persistentVolumes := makeFakeVolumeStats([]string{"persisVolume1, persisVolumes2"})
resourceAnalyzer.podVolumeStats = serverstats.PodVolumeStats{
EphemeralVolumes: ephemeralVolumes,
PersistentVolumes: persistentVolumes,
}
fakeStats := map[string]*volume.Metrics{
kuberuntime.BuildContainerLogsDirectory(testPodLogDirectory, "sandbox0-ns", "sandbox0-name", types.UID("sandbox0-uid"), cName0): containerLogStats0,
kuberuntime.BuildContainerLogsDirectory(testPodLogDirectory, "sandbox0-ns", "sandbox0-name", types.UID("sandbox0-uid"), cName1): containerLogStats1,
kuberuntime.BuildContainerLogsDirectory(testPodLogDirectory, "sandbox1-ns", "sandbox1-name", types.UID("sandbox1-uid"), cName2): containerLogStats2,
kuberuntime.BuildContainerLogsDirectory(testPodLogDirectory, "sandbox2-ns", "sandbox2-name", types.UID("sandbox2-uid"), cName3): containerLogStats4,
kuberuntime.BuildContainerLogsDirectory(testPodLogDirectory, "sandbox3-ns", "sandbox3-name", types.UID("sandbox3-uid"), cName5): containerLogStats5,
kuberuntime.BuildContainerLogsDirectory(testPodLogDirectory, "sandbox3-ns", "sandbox3-name", types.UID("sandbox3-uid"), cName8): containerLogStats8,
filepath.Join(kuberuntime.BuildPodLogsDirectory(testPodLogDirectory, "sandbox0-ns", "sandbox0-name", types.UID("sandbox0-uid")), podLogName0): podLogStats0,
filepath.Join(kuberuntime.BuildPodLogsDirectory(testPodLogDirectory, "sandbox1-ns", "sandbox1-name", types.UID("sandbox1-uid")), podLogName1): podLogStats1,
}
ctrl := gomock.NewController(t)
defer ctrl.Finish()
fakeOS := &kubecontainertest.FakeOS{}
fakeOS.ReadDirFn = func(path string) ([]os.DirEntry, error) {
var dirEntries []os.DirEntry
mockDE := kubecontainertest.NewMockDirEntry(ctrl)
switch path {
case kuberuntime.BuildPodLogsDirectory(testPodLogDirectory, "sandbox0-ns", "sandbox0-name", types.UID("sandbox0-uid")):
mockDE.EXPECT().Name().Return(podLogName0)
case kuberuntime.BuildPodLogsDirectory(testPodLogDirectory, "sandbox1-ns", "sandbox1-name", types.UID("sandbox1-uid")):
mockDE.EXPECT().Name().Return(podLogName1)
default:
return nil, nil
}
mockDE.EXPECT().IsDir().Return(false)
dirEntries = append(dirEntries, mockDE)
return dirEntries, nil
}
provider := NewCRIStatsProvider(
mockCadvisor,
resourceAnalyzer,
mockPodManager,
mockRuntimeCache,
fakeRuntimeService,
fakeImageService,
NewFakeHostStatsProviderWithData(fakeStats, fakeOS),
false,
)
stats, err := provider.ListPodStats(ctx)
assert := assert.New(t)
assert.NoError(err)
assert.Equal(4, len(stats))
podStatsMap := make(map[statsapi.PodReference]statsapi.PodStats)
for _, s := range stats {
podStatsMap[s.PodRef] = s
}
p0 := podStatsMap[statsapi.PodReference{Name: "sandbox0-name", UID: "sandbox0-uid", Namespace: "sandbox0-ns"}]
assert.Equal(sandbox0.CreatedAt, p0.StartTime.UnixNano())
assert.Equal(2, len(p0.Containers))
checkEphemeralStorageStats(assert, p0, ephemeralVolumes, []*runtimeapi.ContainerStats{containerStats0, containerStats1},
[]*volume.Metrics{containerLogStats0, containerLogStats1}, podLogStats0)
containerStatsMap := make(map[string]statsapi.ContainerStats)
for _, s := range p0.Containers {
containerStatsMap[s.Name] = s
}
c0 := containerStatsMap[cName0]
assert.Equal(container0.CreatedAt, c0.StartTime.UnixNano())
checkCRICPUAndMemoryStats(assert, c0, infos[container0.ContainerStatus.Id].Stats[0])
assert.Nil(c0.Accelerators)
checkCRIRootfsStats(assert, c0, containerStats0, &imageFsInfo)
checkCRILogsStats(assert, c0, &rootFsInfo, containerLogStats0)
c1 := containerStatsMap[cName1]
assert.Equal(container1.CreatedAt, c1.StartTime.UnixNano())
checkCRICPUAndMemoryStats(assert, c1, infos[container1.ContainerStatus.Id].Stats[0])
assert.Nil(c0.Accelerators)
checkCRIRootfsStats(assert, c1, containerStats1, nil)
checkCRILogsStats(assert, c1, &rootFsInfo, containerLogStats1)
checkCRINetworkStats(assert, p0.Network, infos[sandbox0.PodSandboxStatus.Id].Stats[0].Network)
checkCRIPodCPUAndMemoryStats(assert, p0, infos[sandbox0Cgroup].Stats[0])
checkCRIPodSwapStats(assert, p0, infos[sandbox0Cgroup].Stats[0])
p1 := podStatsMap[statsapi.PodReference{Name: "sandbox1-name", UID: "sandbox1-uid", Namespace: "sandbox1-ns"}]
assert.Equal(sandbox1.CreatedAt, p1.StartTime.UnixNano())
assert.Equal(1, len(p1.Containers))
checkEphemeralStorageStats(assert, p1, ephemeralVolumes, []*runtimeapi.ContainerStats{containerStats2},
[]*volume.Metrics{containerLogStats2}, podLogStats1)
c2 := p1.Containers[0]
assert.Equal(cName2, c2.Name)
assert.Equal(container2.CreatedAt, c2.StartTime.UnixNano())
checkCRICPUAndMemoryStats(assert, c2, infos[container2.ContainerStatus.Id].Stats[0])
assert.Nil(c0.Accelerators)
checkCRIRootfsStats(assert, c2, containerStats2, &imageFsInfo)
checkCRILogsStats(assert, c2, &rootFsInfo, containerLogStats2)
checkCRINetworkStats(assert, p1.Network, infos[sandbox1.PodSandboxStatus.Id].Stats[0].Network)
checkCRIPodCPUAndMemoryStats(assert, p1, infos[sandbox1Cgroup].Stats[0])
checkCRIPodSwapStats(assert, p1, infos[sandbox1Cgroup].Stats[0])
p2 := podStatsMap[statsapi.PodReference{Name: "sandbox2-name", UID: "sandbox2-uid", Namespace: "sandbox2-ns"}]
assert.Equal(sandbox2.CreatedAt, p2.StartTime.UnixNano())
assert.Equal(1, len(p2.Containers))
checkEphemeralStorageStats(assert, p2, ephemeralVolumes, []*runtimeapi.ContainerStats{containerStats4},
[]*volume.Metrics{containerLogStats4}, nil)
c3 := p2.Containers[0]
assert.Equal(cName3, c3.Name)
assert.Equal(container4.CreatedAt, c3.StartTime.UnixNano())
checkCRICPUAndMemoryStats(assert, c3, infos[container4.ContainerStatus.Id].Stats[0])
assert.Nil(c0.Accelerators)
checkCRIRootfsStats(assert, c3, containerStats4, &imageFsInfo)
checkCRILogsStats(assert, c3, &rootFsInfo, containerLogStats4)
checkCRINetworkStats(assert, p2.Network, infos[sandbox2.PodSandboxStatus.Id].Stats[0].Network)
checkCRIPodCPUAndMemoryStats(assert, p2, infos[sandbox2Cgroup].Stats[0])
checkCRIPodSwapStats(assert, p2, infos[sandbox2Cgroup].Stats[0])
p3 := podStatsMap[statsapi.PodReference{Name: "sandbox3-name", UID: "sandbox3-uid", Namespace: "sandbox3-ns"}]
assert.Equal(sandbox3.CreatedAt, p3.StartTime.UnixNano())
assert.Equal(1, len(p3.Containers))
c8 := p3.Containers[0]
assert.Equal(cName8, c8.Name)
assert.Equal(container8.CreatedAt, c8.StartTime.UnixNano())
assert.NotNil(c8.CPU.Time)
assert.NotNil(c8.Memory.Time)
checkCRIPodCPUAndMemoryStats(assert, p3, infos[sandbox3Cgroup].Stats[0])
checkCRIPodSwapStats(assert, p3, infos[sandbox3Cgroup].Stats[0])
}
func TestListPodStatsStrictlyFromCRI(t *testing.T) {
if runtime.GOOS == "windows" {
// TODO: remove skip once the failing test has been fixed.
t.Skip("Skip failing test on Windows.")
}
ctx := context.Background()
var (
imageFsMountpoint = "/test/mount/point"
unknownMountpoint = "/unknown/mount/point"
imageFsInfo = getTestFsInfo(2000)
rootFsInfo = getTestFsInfo(1000)
// A pod that CRI returns stats and cadvisor returns stats
// The pod stats from CRI stats
sandbox0 = makeFakePodSandbox("sandbox0-name", "sandbox0-uid", "sandbox0-ns", false)
sandbox0Cgroup = "/" + cm.GetPodCgroupNameSuffix(types.UID(sandbox0.PodSandboxStatus.Metadata.Uid))
container0 = makeFakeContainer(sandbox0, cName0, 0, false)
containerStats0 = makeFakeContainerStatsStrictlyFromCRI(seedContainer0, container0, imageFsMountpoint)
containerLogStats0 = makeFakeLogStats(1000)
container1 = makeFakeContainer(sandbox0, cName1, 0, false)
containerStats1 = makeFakeContainerStatsStrictlyFromCRI(seedContainer1, container1, unknownMountpoint)
containerLogStats1 = makeFakeLogStats(2000)
sandboxPodStats0 = makeFakePodSandboxStatsStrictlyFromCRI(seedSandbox0, sandbox0, containerStats0, containerStats1)
// A pod that CRI returns stats and cadvisor returns no stats
// The pod stats from CRI stats
sandbox1 = makeFakePodSandbox("sandbox1-name", "sandbox1-uid", "sandbox1-ns", false)
sandbox1Cgroup = "/" + cm.GetPodCgroupNameSuffix(types.UID(sandbox1.PodSandboxStatus.Metadata.Uid))
container2 = makeFakeContainer(sandbox1, cName2, 0, false)
containerStats2 = makeFakeContainerStatsStrictlyFromCRI(seedContainer2, container2, imageFsMountpoint)
containerLogStats2 = makeFakeLogStats(3000)
sandboxPodStats1 = makeFakePodSandboxStatsStrictlyFromCRI(seedSandbox1, sandbox1, containerStats2)
podLogName0 = "pod-log-0"
podLogName1 = "pod-log-1"
podLogStats0 = makeFakeLogStats(5000)
podLogStats1 = makeFakeLogStats(6000)
)
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
var (
mockCadvisor = cadvisortest.NewMockInterface(mockCtrl)
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
mockPodManager = new(kubepodtest.MockManager)
resourceAnalyzer = new(fakeResourceAnalyzer)
fakeRuntimeService = critest.NewFakeRuntimeService()
fakeImageService = critest.NewFakeImageService()
)
infos := map[string]cadvisorapiv2.ContainerInfo{
"/": getTestContainerInfo(seedRoot, "", "", ""),
"/kubelet": getTestContainerInfo(seedKubelet, "", "", ""),
"/system": getTestContainerInfo(seedMisc, "", "", ""),
sandbox0.PodSandboxStatus.Id: getTestContainerInfo(seedSandbox0, pName0, sandbox0.PodSandboxStatus.Metadata.Namespace, kubelettypes.PodInfraContainerName),
sandbox0Cgroup: getTestContainerInfo(seedSandbox0, "", "", ""),
container0.ContainerStatus.Id: getTestContainerInfo(seedContainer0, pName0, sandbox0.PodSandboxStatus.Metadata.Namespace, cName0),
container1.ContainerStatus.Id: getTestContainerInfo(seedContainer1, pName0, sandbox0.PodSandboxStatus.Metadata.Namespace, cName1),
}
exceptedContainerStatsMap := map[string]statsapi.ContainerStats{
cName0: getCRIContainerStatsStrictlyFromCRI(seedContainer0, cName0),
cName1: getCRIContainerStatsStrictlyFromCRI(seedContainer1, cName1),
cName2: getCRIContainerStatsStrictlyFromCRI(seedContainer2, cName2),
}
prf0 := statsapi.PodReference{Name: "sandbox0-name", UID: "sandbox0-uid", Namespace: "sandbox0-ns"}
prf1 := statsapi.PodReference{Name: "sandbox1-name", UID: "sandbox1-uid", Namespace: "sandbox1-ns"}
exceptedPodStatsMap := map[statsapi.PodReference]statsapi.PodStats{
prf0: getPodSandboxStatsStrictlyFromCRI(seedSandbox0, sandbox0),
prf1: getPodSandboxStatsStrictlyFromCRI(seedSandbox1, sandbox1),
}
options := cadvisorapiv2.RequestOptions{
IdType: cadvisorapiv2.TypeName,
Count: 2,
Recursive: true,
}
mockCadvisor.EXPECT().ContainerInfoV2("/", options).Return(infos, nil)
mockCadvisor.EXPECT().RootFsInfo().Return(rootFsInfo, nil)
mockCadvisor.EXPECT().GetDirFsInfo(imageFsMountpoint).Return(imageFsInfo, nil)
mockCadvisor.EXPECT().GetDirFsInfo(unknownMountpoint).Return(cadvisorapiv2.FsInfo{}, cadvisorfs.ErrNoSuchDevice)
fakeRuntimeService.SetFakeSandboxes([]*critest.FakePodSandbox{
sandbox0, sandbox1,
})
fakeRuntimeService.SetFakeContainers([]*critest.FakeContainer{
container0, container1, container2,
})
fakeRuntimeService.SetFakeContainerStats([]*runtimeapi.ContainerStats{
containerStats0, containerStats1, containerStats2,
})
fakeRuntimeService.SetFakePodSandboxStats([]*runtimeapi.PodSandboxStats{
sandboxPodStats0, sandboxPodStats1,
})
ephemeralVolumes := makeFakeVolumeStats([]string{"ephVolume1, ephVolumes2"})
persistentVolumes := makeFakeVolumeStats([]string{"persisVolume1, persisVolumes2"})
resourceAnalyzer.podVolumeStats = serverstats.PodVolumeStats{
EphemeralVolumes: ephemeralVolumes,
PersistentVolumes: persistentVolumes,
}
fakeStats := map[string]*volume.Metrics{
kuberuntime.BuildContainerLogsDirectory(testPodLogDirectory, "sandbox0-ns", "sandbox0-name", types.UID("sandbox0-uid"), cName0): containerLogStats0,
kuberuntime.BuildContainerLogsDirectory(testPodLogDirectory, "sandbox0-ns", "sandbox0-name", types.UID("sandbox0-uid"), cName1): containerLogStats1,
kuberuntime.BuildContainerLogsDirectory(testPodLogDirectory, "sandbox1-ns", "sandbox1-name", types.UID("sandbox1-uid"), cName2): containerLogStats2,
filepath.Join(kuberuntime.BuildPodLogsDirectory(testPodLogDirectory, "sandbox0-ns", "sandbox0-name", types.UID("sandbox0-uid")), podLogName0): podLogStats0,
filepath.Join(kuberuntime.BuildPodLogsDirectory(testPodLogDirectory, "sandbox1-ns", "sandbox1-name", types.UID("sandbox1-uid")), podLogName1): podLogStats1,
}
ctrl := gomock.NewController(t)
defer ctrl.Finish()
fakeOS := &kubecontainertest.FakeOS{}
fakeOS.ReadDirFn = func(path string) ([]os.DirEntry, error) {
var dirEntries []os.DirEntry
mockDE := kubecontainertest.NewMockDirEntry(ctrl)
switch path {
case kuberuntime.BuildPodLogsDirectory(testPodLogDirectory, "sandbox0-ns", "sandbox0-name", types.UID("sandbox0-uid")):
mockDE.EXPECT().Name().Return(podLogName0)
case kuberuntime.BuildPodLogsDirectory(testPodLogDirectory, "sandbox1-ns", "sandbox1-name", types.UID("sandbox1-uid")):
mockDE.EXPECT().Name().Return(podLogName1)
default:
return nil, nil
}
mockDE.EXPECT().IsDir().Return(false)
dirEntries = append(dirEntries, mockDE)
return dirEntries, nil
}
provider := NewCRIStatsProvider(
mockCadvisor,
resourceAnalyzer,
mockPodManager,
mockRuntimeCache,
fakeRuntimeService,
fakeImageService,
NewFakeHostStatsProviderWithData(fakeStats, fakeOS),
true,
)
cadvisorInfos, err := getCadvisorContainerInfo(mockCadvisor)
if err != nil {
t.Errorf("failed to get container info from cadvisor: %v", err)
}
stats, err := provider.ListPodStats(ctx)
assert := assert.New(t)
assert.NoError(err)
assert.Equal(2, len(stats))
podStatsMap := make(map[statsapi.PodReference]statsapi.PodStats)
for _, s := range stats {
podStatsMap[s.PodRef] = s
}
p0 := podStatsMap[prf0]
assert.Equal(sandbox0.CreatedAt, p0.StartTime.UnixNano())
assert.Equal(2, len(p0.Containers))
checkEphemeralStorageStats(assert, p0, ephemeralVolumes, []*runtimeapi.ContainerStats{containerStats0, containerStats1},
[]*volume.Metrics{containerLogStats0, containerLogStats1}, podLogStats0)
containerStatsMap := make(map[string]statsapi.ContainerStats)
for _, s := range p0.Containers {
containerStatsMap[s.Name] = s
}
c0 := containerStatsMap[cName0]
assert.Equal(container0.CreatedAt, c0.StartTime.UnixNano())
checkCRICPUAndMemoryStatsForStrictlyFromCRI(assert, c0, exceptedContainerStatsMap[cName0])
assert.Nil(c0.Accelerators)
checkCRIRootfsStats(assert, c0, containerStats0, &imageFsInfo)
checkCRILogsStats(assert, c0, &rootFsInfo, containerLogStats0)
c1 := containerStatsMap[cName1]
assert.Equal(container1.CreatedAt, c1.StartTime.UnixNano())
checkCRICPUAndMemoryStatsForStrictlyFromCRI(assert, c1, exceptedContainerStatsMap[cName1])
assert.Nil(c0.Accelerators)
checkCRIRootfsStats(assert, c1, containerStats1, nil)
checkCRILogsStats(assert, c1, &rootFsInfo, containerLogStats1)
checkCRIPodCPUAndMemoryStatsStrictlyFromCRI(assert, p0, exceptedPodStatsMap[prf0])
assert.NotNil(cadvisorInfos[sandbox0Cgroup].Stats[0].Cpu)
assert.NotNil(cadvisorInfos[sandbox0Cgroup].Stats[0].Memory)
p1 := podStatsMap[prf1]
assert.Equal(sandbox1.CreatedAt, p1.StartTime.UnixNano())
assert.Equal(1, len(p1.Containers))
checkEphemeralStorageStats(assert, p1, ephemeralVolumes, []*runtimeapi.ContainerStats{containerStats2},
[]*volume.Metrics{containerLogStats2}, podLogStats1)
c2 := p1.Containers[0]
assert.Equal(cName2, c2.Name)
assert.Equal(container2.CreatedAt, c2.StartTime.UnixNano())
checkCRICPUAndMemoryStatsForStrictlyFromCRI(assert, c2, exceptedContainerStatsMap[cName2])
assert.Nil(c0.Accelerators)
checkCRIRootfsStats(assert, c2, containerStats2, &imageFsInfo)
checkCRILogsStats(assert, c2, &rootFsInfo, containerLogStats2)
checkCRIPodCPUAndMemoryStatsStrictlyFromCRI(assert, p1, exceptedPodStatsMap[prf1])
if runtime.GOOS == "linux" {
if _, ok := cadvisorInfos[sandbox1Cgroup]; ok {
t.Errorf("expect no cadvisor stats for pod %v", prf1)
}
}
}
func TestCRIListPodCPUAndMemoryStats(t *testing.T) {
ctx := context.Background()
var (
imageFsMountpoint = "/test/mount/point"
unknownMountpoint = "/unknown/mount/point"
sandbox0 = makeFakePodSandbox("sandbox0-name", "sandbox0-uid", "sandbox0-ns", false)
sandbox0Cgroup = "/" + cm.GetPodCgroupNameSuffix(types.UID(sandbox0.PodSandboxStatus.Metadata.Uid))
container0 = makeFakeContainer(sandbox0, cName0, 0, false)
containerStats0 = makeFakeContainerStats(container0, imageFsMountpoint)
container1 = makeFakeContainer(sandbox0, cName1, 0, false)
containerStats1 = makeFakeContainerStats(container1, unknownMountpoint)
sandbox1 = makeFakePodSandbox("sandbox1-name", "sandbox1-uid", "sandbox1-ns", false)
sandbox1Cgroup = "/" + cm.GetPodCgroupNameSuffix(types.UID(sandbox1.PodSandboxStatus.Metadata.Uid))
container2 = makeFakeContainer(sandbox1, cName2, 0, false)
containerStats2 = makeFakeContainerStats(container2, imageFsMountpoint)
sandbox2 = makeFakePodSandbox("sandbox2-name", "sandbox2-uid", "sandbox2-ns", false)
sandbox2Cgroup = "/" + cm.GetPodCgroupNameSuffix(types.UID(sandbox2.PodSandboxStatus.Metadata.Uid))
container3 = makeFakeContainer(sandbox2, cName3, 0, true)
containerStats3 = makeFakeContainerStats(container3, imageFsMountpoint)
container4 = makeFakeContainer(sandbox2, cName3, 1, false)
containerStats4 = makeFakeContainerStats(container4, imageFsMountpoint)
// Running pod with a terminated container and a running container
sandbox3 = makeFakePodSandbox("sandbox3-name", "sandbox3-uid", "sandbox3-ns", false)
sandbox3Cgroup = "/" + cm.GetPodCgroupNameSuffix(types.UID(sandbox3.PodSandboxStatus.Metadata.Uid))
container5 = makeFakeContainer(sandbox3, cName5, 0, true)
containerStats5 = makeFakeContainerStats(container5, imageFsMountpoint)
container8 = makeFakeContainer(sandbox3, cName8, 0, false)
containerStats8 = makeFakeContainerStats(container8, imageFsMountpoint)
// Terminated pod sandbox
sandbox4 = makeFakePodSandbox("sandbox1-name", "sandbox1-uid", "sandbox1-ns", true)
container6 = makeFakeContainer(sandbox4, cName6, 0, true)
containerStats6 = makeFakeContainerStats(container6, imageFsMountpoint)
// Terminated pod
sandbox5 = makeFakePodSandbox("sandbox1-name", "sandbox5-uid", "sandbox1-ns", true)
container7 = makeFakeContainer(sandbox5, cName7, 0, true)
containerStats7 = makeFakeContainerStats(container7, imageFsMountpoint)
// A pod that cadvisor returns no stats
sandbox6 = makeFakePodSandbox("sandbox6-name", "sandbox6-uid", "sandbox6-ns", false)
container9 = makeFakeContainer(sandbox6, cName9, 0, false)
containerStats9 = makeFakeContainerStats(container9, imageFsMountpoint)
)
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
var (
mockCadvisor = cadvisortest.NewMockInterface(mockCtrl)
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
mockPodManager = new(kubepodtest.MockManager)
resourceAnalyzer = new(fakeResourceAnalyzer)
fakeRuntimeService = critest.NewFakeRuntimeService()
)
infos := map[string]cadvisorapiv2.ContainerInfo{
"/": getTestContainerInfo(seedRoot, "", "", ""),
"/kubelet": getTestContainerInfo(seedKubelet, "", "", ""),
"/system": getTestContainerInfo(seedMisc, "", "", ""),
sandbox0.PodSandboxStatus.Id: getTestContainerInfo(seedSandbox0, pName0, sandbox0.PodSandboxStatus.Metadata.Namespace, kubelettypes.PodInfraContainerName),
sandbox0Cgroup: getTestContainerInfo(seedSandbox0, "", "", ""),
container0.ContainerStatus.Id: getTestContainerInfo(seedContainer0, pName0, sandbox0.PodSandboxStatus.Metadata.Namespace, cName0),
container1.ContainerStatus.Id: getTestContainerInfo(seedContainer1, pName0, sandbox0.PodSandboxStatus.Metadata.Namespace, cName1),
sandbox1.PodSandboxStatus.Id: getTestContainerInfo(seedSandbox1, pName1, sandbox1.PodSandboxStatus.Metadata.Namespace, kubelettypes.PodInfraContainerName),
sandbox1Cgroup: getTestContainerInfo(seedSandbox1, "", "", ""),
container2.ContainerStatus.Id: getTestContainerInfo(seedContainer2, pName1, sandbox1.PodSandboxStatus.Metadata.Namespace, cName2),
sandbox2.PodSandboxStatus.Id: getTestContainerInfo(seedSandbox2, pName2, sandbox2.PodSandboxStatus.Metadata.Namespace, kubelettypes.PodInfraContainerName),
sandbox2Cgroup: getTestContainerInfo(seedSandbox2, "", "", ""),
container4.ContainerStatus.Id: getTestContainerInfo(seedContainer3, pName2, sandbox2.PodSandboxStatus.Metadata.Namespace, cName3),
sandbox3Cgroup: getTestContainerInfo(seedSandbox3, "", "", ""),
}
options := cadvisorapiv2.RequestOptions{
IdType: cadvisorapiv2.TypeName,
Count: 2,
Recursive: true,
}
mockCadvisor.EXPECT().ContainerInfoV2("/", options).Return(infos, nil)
fakeRuntimeService.SetFakeSandboxes([]*critest.FakePodSandbox{
sandbox0, sandbox1, sandbox2, sandbox3, sandbox4, sandbox5, sandbox6,
})
fakeRuntimeService.SetFakeContainers([]*critest.FakeContainer{
container0, container1, container2, container3, container4, container5, container6, container7, container8, container9,
})
fakeRuntimeService.SetFakeContainerStats([]*runtimeapi.ContainerStats{
containerStats0, containerStats1, containerStats2, containerStats3, containerStats4, containerStats5, containerStats6, containerStats7, containerStats8, containerStats9,
})
ephemeralVolumes := makeFakeVolumeStats([]string{"ephVolume1, ephVolumes2"})
persistentVolumes := makeFakeVolumeStats([]string{"persisVolume1, persisVolumes2"})
resourceAnalyzer.podVolumeStats = serverstats.PodVolumeStats{
EphemeralVolumes: ephemeralVolumes,
PersistentVolumes: persistentVolumes,
}
provider := NewCRIStatsProvider(
mockCadvisor,
resourceAnalyzer,
mockPodManager,
mockRuntimeCache,
fakeRuntimeService,
nil,
NewFakeHostStatsProvider(),
false,
)
stats, err := provider.ListPodCPUAndMemoryStats(ctx)
assert := assert.New(t)
assert.NoError(err)
assert.Equal(5, len(stats))
podStatsMap := make(map[statsapi.PodReference]statsapi.PodStats)
for _, s := range stats {
podStatsMap[s.PodRef] = s
}
p0 := podStatsMap[statsapi.PodReference{Name: "sandbox0-name", UID: "sandbox0-uid", Namespace: "sandbox0-ns"}]
assert.Equal(sandbox0.CreatedAt, p0.StartTime.UnixNano())
assert.Equal(2, len(p0.Containers))
assert.Nil(p0.EphemeralStorage)
assert.Nil(p0.VolumeStats)
assert.Nil(p0.Network)
checkCRIPodCPUAndMemoryStats(assert, p0, infos[sandbox0Cgroup].Stats[0])
containerStatsMap := make(map[string]statsapi.ContainerStats)
for _, s := range p0.Containers {
containerStatsMap[s.Name] = s
}
c0 := containerStatsMap[cName0]
assert.Equal(container0.CreatedAt, c0.StartTime.UnixNano())
checkCRICPUAndMemoryStats(assert, c0, infos[container0.ContainerStatus.Id].Stats[0])
assert.Nil(c0.Rootfs)
assert.Nil(c0.Logs)
assert.Nil(c0.Accelerators)
assert.Nil(c0.UserDefinedMetrics)
c1 := containerStatsMap[cName1]
assert.Equal(container1.CreatedAt, c1.StartTime.UnixNano())
checkCRICPUAndMemoryStats(assert, c1, infos[container1.ContainerStatus.Id].Stats[0])
assert.Nil(c1.Rootfs)
assert.Nil(c1.Logs)
assert.Nil(c1.Accelerators)
assert.Nil(c1.UserDefinedMetrics)
p1 := podStatsMap[statsapi.PodReference{Name: "sandbox1-name", UID: "sandbox1-uid", Namespace: "sandbox1-ns"}]
assert.Equal(sandbox1.CreatedAt, p1.StartTime.UnixNano())
assert.Equal(1, len(p1.Containers))
assert.Nil(p1.EphemeralStorage)
assert.Nil(p1.VolumeStats)
assert.Nil(p1.Network)
checkCRIPodCPUAndMemoryStats(assert, p1, infos[sandbox1Cgroup].Stats[0])
c2 := p1.Containers[0]
assert.Equal(cName2, c2.Name)
assert.Equal(container2.CreatedAt, c2.StartTime.UnixNano())
checkCRICPUAndMemoryStats(assert, c2, infos[container2.ContainerStatus.Id].Stats[0])
assert.Nil(c2.Rootfs)
assert.Nil(c2.Logs)
assert.Nil(c2.Accelerators)
assert.Nil(c2.UserDefinedMetrics)
p2 := podStatsMap[statsapi.PodReference{Name: "sandbox2-name", UID: "sandbox2-uid", Namespace: "sandbox2-ns"}]
assert.Equal(sandbox2.CreatedAt, p2.StartTime.UnixNano())
assert.Equal(1, len(p2.Containers))
assert.Nil(p2.EphemeralStorage)
assert.Nil(p2.VolumeStats)
assert.Nil(p2.Network)
checkCRIPodCPUAndMemoryStats(assert, p2, infos[sandbox2Cgroup].Stats[0])
c3 := p2.Containers[0]
assert.Equal(cName3, c3.Name)
assert.Equal(container4.CreatedAt, c3.StartTime.UnixNano())
checkCRICPUAndMemoryStats(assert, c3, infos[container4.ContainerStatus.Id].Stats[0])
assert.Nil(c2.Rootfs)
assert.Nil(c2.Logs)
assert.Nil(c2.Accelerators)
assert.Nil(c2.UserDefinedMetrics)
p3 := podStatsMap[statsapi.PodReference{Name: "sandbox3-name", UID: "sandbox3-uid", Namespace: "sandbox3-ns"}]
assert.Equal(sandbox3.CreatedAt, p3.StartTime.UnixNano())
assert.Equal(1, len(p3.Containers))
c8 := p3.Containers[0]
assert.Equal(cName8, c8.Name)
assert.Equal(container8.CreatedAt, c8.StartTime.UnixNano())
assert.NotNil(c8.CPU.Time)
assert.NotNil(c8.Memory.Time)
checkCRIPodCPUAndMemoryStats(assert, p3, infos[sandbox3Cgroup].Stats[0])
p6 := podStatsMap[statsapi.PodReference{Name: "sandbox6-name", UID: "sandbox6-uid", Namespace: "sandbox6-ns"}]
assert.Equal(sandbox6.CreatedAt, p6.StartTime.UnixNano())
assert.Equal(1, len(p6.Containers))
c9 := p6.Containers[0]
assert.Equal(cName9, c9.Name)
assert.Equal(container9.CreatedAt, c9.StartTime.UnixNano())
assert.NotNil(c9.CPU.Time)
assert.Equal(containerStats9.Cpu.Timestamp, p6.CPU.Time.UnixNano())
assert.NotNil(c9.Memory.Time)
assert.Equal(containerStats9.Memory.Timestamp, p6.Memory.Time.UnixNano())
}
func TestCRIImagesFsStats(t *testing.T) {
ctx := context.Background()
var (
imageFsMountpoint = "/test/mount/point"
imageFsInfo = getTestFsInfo(2000)
imageFsUsage = makeFakeImageFsUsage(imageFsMountpoint)
)
mockCtrl := gomock.NewController(t)
defer mockCtrl.Finish()
var (
mockCadvisor = cadvisortest.NewMockInterface(mockCtrl)
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
mockPodManager = new(kubepodtest.MockManager)
resourceAnalyzer = new(fakeResourceAnalyzer)
fakeRuntimeService = critest.NewFakeRuntimeService()
fakeImageService = critest.NewFakeImageService()
)
mockCadvisor.EXPECT().GetDirFsInfo(imageFsMountpoint).Return(imageFsInfo, nil)
fakeImageService.SetFakeFilesystemUsage([]*runtimeapi.FilesystemUsage{
imageFsUsage,
})
provider := NewCRIStatsProvider(
mockCadvisor,
resourceAnalyzer,
mockPodManager,
mockRuntimeCache,
fakeRuntimeService,
fakeImageService,
NewFakeHostStatsProvider(),
false,
)
stats, containerStats, err := provider.ImageFsStats(ctx)
assert := assert.New(t)
assert.NoError(err)
assert.Equal(imageFsUsage.Timestamp, stats.Time.UnixNano())
assert.Equal(imageFsInfo.Available, *stats.AvailableBytes)
assert.Equal(imageFsInfo.Capacity, *stats.CapacityBytes)
assert.Equal(imageFsInfo.InodesFree, stats.InodesFree)
assert.Equal(imageFsInfo.Inodes, stats.Inodes)
assert.Equal(imageFsUsage.UsedBytes.Value, *stats.UsedBytes)
assert.Equal(imageFsUsage.InodesUsed.Value, *stats.InodesUsed)
assert.Equal(imageFsUsage.Timestamp, containerStats.Time.UnixNano())
assert.Equal(imageFsInfo.Available, *containerStats.AvailableBytes)
assert.Equal(imageFsInfo.Capacity, *containerStats.CapacityBytes)
assert.Equal(imageFsInfo.InodesFree, containerStats.InodesFree)
assert.Equal(imageFsInfo.Inodes, containerStats.Inodes)
assert.Equal(imageFsUsage.UsedBytes.Value, *containerStats.UsedBytes)
assert.Equal(imageFsUsage.InodesUsed.Value, *containerStats.InodesUsed)
}
func makeFakePodSandbox(name, uid, namespace string, terminated bool) *critest.FakePodSandbox {
p := &critest.FakePodSandbox{
PodSandboxStatus: runtimeapi.PodSandboxStatus{
Metadata: &runtimeapi.PodSandboxMetadata{
Name: name,
Uid: uid,
Namespace: namespace,
},
State: runtimeapi.PodSandboxState_SANDBOX_READY,
CreatedAt: time.Now().UnixNano(),
},
}
if terminated {
p.PodSandboxStatus.State = runtimeapi.PodSandboxState_SANDBOX_NOTREADY
}
p.PodSandboxStatus.Id = strings.ReplaceAll(string(uuid.NewUUID()), "-", "")
return p
}
func makeFakeContainer(sandbox *critest.FakePodSandbox, name string, attempt uint32, terminated bool) *critest.FakeContainer {
sandboxID := sandbox.PodSandboxStatus.Id
c := &critest.FakeContainer{
SandboxID: sandboxID,
ContainerStatus: runtimeapi.ContainerStatus{
Metadata: &runtimeapi.ContainerMetadata{Name: name, Attempt: attempt},
Image: &runtimeapi.ImageSpec{},
ImageRef: "fake-image-ref",
CreatedAt: time.Now().UnixNano(),
},
}
c.ContainerStatus.Labels = map[string]string{
"io.kubernetes.pod.name": sandbox.Metadata.Name,
"io.kubernetes.pod.uid": sandbox.Metadata.Uid,
"io.kubernetes.pod.namespace": sandbox.Metadata.Namespace,
"io.kubernetes.container.name": name,
}
if terminated {
c.ContainerStatus.State = runtimeapi.ContainerState_CONTAINER_EXITED
} else {
c.ContainerStatus.State = runtimeapi.ContainerState_CONTAINER_RUNNING
}
c.ContainerStatus.Id = strings.ReplaceAll(string(uuid.NewUUID()), "-", "")
return c
}
func makeFakeContainerStats(container *critest.FakeContainer, imageFsMountpoint string) *runtimeapi.ContainerStats {
containerStats := &runtimeapi.ContainerStats{
Attributes: &runtimeapi.ContainerAttributes{
Id: container.ContainerStatus.Id,
Metadata: container.ContainerStatus.Metadata,
},
WritableLayer: &runtimeapi.FilesystemUsage{
Timestamp: time.Now().UnixNano(),
FsId: &runtimeapi.FilesystemIdentifier{Mountpoint: imageFsMountpoint},
UsedBytes: &runtimeapi.UInt64Value{Value: rand.Uint64() / 100},
InodesUsed: &runtimeapi.UInt64Value{Value: rand.Uint64() / 100},
},
}
if container.State == runtimeapi.ContainerState_CONTAINER_EXITED {
containerStats.Cpu = nil
containerStats.Memory = nil
} else {
containerStats.Cpu = &runtimeapi.CpuUsage{
Timestamp: time.Now().UnixNano(),
UsageCoreNanoSeconds: &runtimeapi.UInt64Value{Value: rand.Uint64()},
}
containerStats.Memory = &runtimeapi.MemoryUsage{
Timestamp: time.Now().UnixNano(),
WorkingSetBytes: &runtimeapi.UInt64Value{Value: rand.Uint64()},
}
}
return containerStats
}
// makeFakeContainerStatsStrictlyFromCRI use CRI offset to fake CRI container stats to distinguish cadvisor stats.
func makeFakeContainerStatsStrictlyFromCRI(seed int, container *critest.FakeContainer, imageFsMountpoint string) *runtimeapi.ContainerStats {
containerStats := &runtimeapi.ContainerStats{
Attributes: &runtimeapi.ContainerAttributes{
Id: container.ContainerStatus.Id,
Metadata: container.ContainerStatus.Metadata,
},
WritableLayer: &runtimeapi.FilesystemUsage{
Timestamp: timestamp.UnixNano(),
FsId: &runtimeapi.FilesystemIdentifier{Mountpoint: imageFsMountpoint},
UsedBytes: &runtimeapi.UInt64Value{Value: uint64(seed + offsetCRI + offsetFsUsage)},
InodesUsed: &runtimeapi.UInt64Value{Value: uint64(seed + offsetCRI + offsetFsInodeUsage)},
},
}
if container.State == runtimeapi.ContainerState_CONTAINER_EXITED {
containerStats.Cpu = nil
containerStats.Memory = nil
} else {
containerStats.Cpu = &runtimeapi.CpuUsage{
Timestamp: timestamp.UnixNano(),
UsageCoreNanoSeconds: &runtimeapi.UInt64Value{Value: uint64(seed + offsetCRI + offsetCPUUsageCoreSeconds)},
}
containerStats.Memory = &runtimeapi.MemoryUsage{
Timestamp: timestamp.UnixNano(),
WorkingSetBytes: &runtimeapi.UInt64Value{Value: uint64(seed + offsetCRI + offsetMemWorkingSetBytes)},
}
}
return containerStats
}
func makeFakePodSandboxStatsStrictlyFromCRI(seed int, podSandbox *critest.FakePodSandbox, podContainerStats ...*runtimeapi.ContainerStats) *runtimeapi.PodSandboxStats {
podSandboxStats := &runtimeapi.PodSandboxStats{
Attributes: &runtimeapi.PodSandboxAttributes{
Id: podSandbox.Id,
Metadata: podSandbox.Metadata,
},
Linux: &runtimeapi.LinuxPodSandboxStats{},
}
podSandboxStats.Linux.Containers = append(podSandboxStats.Linux.Containers, podContainerStats...)
if podSandbox.State == runtimeapi.PodSandboxState_SANDBOX_NOTREADY {
podSandboxStats.Linux.Cpu = nil
podSandboxStats.Linux.Memory = nil
} else {
podSandboxStats.Linux.Cpu = &runtimeapi.CpuUsage{
Timestamp: timestamp.UnixNano(),
UsageCoreNanoSeconds: &runtimeapi.UInt64Value{Value: uint64(seed + offsetCRI + offsetCPUUsageCoreSeconds)},
}
podSandboxStats.Linux.Memory = &runtimeapi.MemoryUsage{
Timestamp: timestamp.UnixNano(),
WorkingSetBytes: &runtimeapi.UInt64Value{Value: uint64(seed + offsetCRI + offsetMemWorkingSetBytes)},
}
}
return podSandboxStats
}
func getPodSandboxStatsStrictlyFromCRI(seed int, podSandbox *critest.FakePodSandbox) statsapi.PodStats {
podStats := statsapi.PodStats{
PodRef: statsapi.PodReference{
Name: podSandbox.Metadata.Name,
UID: podSandbox.Metadata.Uid,
Namespace: podSandbox.Metadata.Namespace,
},
// The StartTime in the summary API is the pod creation time.
StartTime: metav1.NewTime(time.Unix(0, podSandbox.CreatedAt)),
}
if podSandbox.State == runtimeapi.PodSandboxState_SANDBOX_NOTREADY {
podStats.CPU = nil
podStats.Memory = nil
} else {
usageCoreNanoSeconds := uint64(seed + offsetCRI + offsetCPUUsageCoreSeconds)
workingSetBytes := uint64(seed + offsetCRI + offsetMemWorkingSetBytes)
podStats.CPU = &statsapi.CPUStats{
Time: metav1.NewTime(timestamp),
UsageCoreNanoSeconds: &usageCoreNanoSeconds,
}
podStats.Memory = &statsapi.MemoryStats{
Time: metav1.NewTime(timestamp),
WorkingSetBytes: &workingSetBytes,
}
}
return podStats
}
func makeFakeImageFsUsage(fsMountpoint string) *runtimeapi.FilesystemUsage {
return &runtimeapi.FilesystemUsage{
Timestamp: time.Now().UnixNano(),
FsId: &runtimeapi.FilesystemIdentifier{Mountpoint: fsMountpoint},
UsedBytes: &runtimeapi.UInt64Value{Value: rand.Uint64()},
InodesUsed: &runtimeapi.UInt64Value{Value: rand.Uint64()},
}
}
func makeFakeVolumeStats(volumeNames []string) []statsapi.VolumeStats {
volumes := make([]statsapi.VolumeStats, len(volumeNames))
availableBytes := rand.Uint64()
capacityBytes := rand.Uint64()
usedBytes := rand.Uint64() / 100
inodes := rand.Uint64()
inodesFree := rand.Uint64()
inodesUsed := rand.Uint64() / 100
for i, name := range volumeNames {
fsStats := statsapi.FsStats{
Time: metav1.NewTime(time.Now()),
AvailableBytes: &availableBytes,
CapacityBytes: &capacityBytes,
UsedBytes: &usedBytes,
Inodes: &inodes,
InodesFree: &inodesFree,
InodesUsed: &inodesUsed,
}
volumes[i] = statsapi.VolumeStats{
FsStats: fsStats,
Name: name,
}
}
return volumes
}
func checkCRICPUAndMemoryStats(assert *assert.Assertions, actual statsapi.ContainerStats, cs *cadvisorapiv2.ContainerStats) {
assert.Equal(cs.Timestamp.UnixNano(), actual.CPU.Time.UnixNano())
assert.Equal(cs.Cpu.Usage.Total, *actual.CPU.UsageCoreNanoSeconds)
assert.Equal(cs.CpuInst.Usage.Total, *actual.CPU.UsageNanoCores)