mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-11-03 23:40:03 +00:00
736 lines
26 KiB
Go
736 lines
26 KiB
Go
/*
|
|
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 (
|
|
"fmt"
|
|
"testing"
|
|
"time"
|
|
|
|
cadvisorapiv1 "github.com/google/cadvisor/info/v1"
|
|
cadvisorapiv2 "github.com/google/cadvisor/info/v2"
|
|
fuzz "github.com/google/gofuzz"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
statsapi "k8s.io/kubelet/pkg/apis/stats/v1alpha1"
|
|
cadvisortest "k8s.io/kubernetes/pkg/kubelet/cadvisor/testing"
|
|
kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
|
|
kubecontainertest "k8s.io/kubernetes/pkg/kubelet/container/testing"
|
|
kubepodtest "k8s.io/kubernetes/pkg/kubelet/pod/testing"
|
|
serverstats "k8s.io/kubernetes/pkg/kubelet/server/stats"
|
|
kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
|
|
)
|
|
|
|
const (
|
|
// Offsets from seed value in generated container stats.
|
|
offsetCPUUsageCores = iota
|
|
offsetCPUUsageCoreSeconds
|
|
offsetMemPageFaults
|
|
offsetMemMajorPageFaults
|
|
offsetMemUsageBytes
|
|
offsetMemRSSBytes
|
|
offsetMemWorkingSetBytes
|
|
offsetNetRxBytes
|
|
offsetNetRxErrors
|
|
offsetNetTxBytes
|
|
offsetNetTxErrors
|
|
offsetFsCapacity
|
|
offsetFsAvailable
|
|
offsetFsUsage
|
|
offsetFsInodes
|
|
offsetFsInodesFree
|
|
offsetFsTotalUsageBytes
|
|
offsetFsBaseUsageBytes
|
|
offsetFsInodeUsage
|
|
offsetAcceleratorDutyCycle
|
|
)
|
|
|
|
var (
|
|
timestamp = time.Now()
|
|
creationTime = timestamp.Add(-5 * time.Minute)
|
|
)
|
|
|
|
func TestGetCgroupStats(t *testing.T) {
|
|
const (
|
|
cgroupName = "test-cgroup-name"
|
|
containerInfoSeed = 1000
|
|
updateStats = false
|
|
)
|
|
var (
|
|
mockCadvisor = new(cadvisortest.Mock)
|
|
mockPodManager = new(kubepodtest.MockManager)
|
|
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
|
|
|
|
assert = assert.New(t)
|
|
options = cadvisorapiv2.RequestOptions{IdType: cadvisorapiv2.TypeName, Count: 2, Recursive: false}
|
|
|
|
containerInfo = getTestContainerInfo(containerInfoSeed, "test-pod", "test-ns", "test-container")
|
|
containerInfoMap = map[string]cadvisorapiv2.ContainerInfo{cgroupName: containerInfo}
|
|
)
|
|
|
|
mockCadvisor.On("ContainerInfoV2", cgroupName, options).Return(containerInfoMap, nil)
|
|
|
|
provider := newStatsProvider(mockCadvisor, mockPodManager, mockRuntimeCache, fakeContainerStatsProvider{})
|
|
cs, ns, err := provider.GetCgroupStats(cgroupName, updateStats)
|
|
assert.NoError(err)
|
|
|
|
checkCPUStats(t, "", containerInfoSeed, cs.CPU)
|
|
checkMemoryStats(t, "", containerInfoSeed, containerInfo, cs.Memory)
|
|
checkNetworkStats(t, "", containerInfoSeed, ns)
|
|
|
|
assert.Equal(cgroupName, cs.Name)
|
|
assert.Equal(metav1.NewTime(containerInfo.Spec.CreationTime), cs.StartTime)
|
|
|
|
mockCadvisor.AssertExpectations(t)
|
|
}
|
|
|
|
func TestGetCgroupCPUAndMemoryStats(t *testing.T) {
|
|
const (
|
|
cgroupName = "test-cgroup-name"
|
|
containerInfoSeed = 1000
|
|
updateStats = false
|
|
)
|
|
var (
|
|
mockCadvisor = new(cadvisortest.Mock)
|
|
mockPodManager = new(kubepodtest.MockManager)
|
|
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
|
|
|
|
assert = assert.New(t)
|
|
options = cadvisorapiv2.RequestOptions{IdType: cadvisorapiv2.TypeName, Count: 2, Recursive: false}
|
|
|
|
containerInfo = getTestContainerInfo(containerInfoSeed, "test-pod", "test-ns", "test-container")
|
|
containerInfoMap = map[string]cadvisorapiv2.ContainerInfo{cgroupName: containerInfo}
|
|
)
|
|
|
|
mockCadvisor.On("ContainerInfoV2", cgroupName, options).Return(containerInfoMap, nil)
|
|
|
|
provider := newStatsProvider(mockCadvisor, mockPodManager, mockRuntimeCache, fakeContainerStatsProvider{})
|
|
cs, err := provider.GetCgroupCPUAndMemoryStats(cgroupName, updateStats)
|
|
assert.NoError(err)
|
|
|
|
checkCPUStats(t, "", containerInfoSeed, cs.CPU)
|
|
checkMemoryStats(t, "", containerInfoSeed, containerInfo, cs.Memory)
|
|
|
|
assert.Equal(cgroupName, cs.Name)
|
|
assert.Equal(metav1.NewTime(containerInfo.Spec.CreationTime), cs.StartTime)
|
|
|
|
mockCadvisor.AssertExpectations(t)
|
|
}
|
|
|
|
func TestRootFsStats(t *testing.T) {
|
|
const (
|
|
rootFsInfoSeed = 1000
|
|
containerInfoSeed = 2000
|
|
)
|
|
var (
|
|
mockCadvisor = new(cadvisortest.Mock)
|
|
mockPodManager = new(kubepodtest.MockManager)
|
|
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
|
|
|
|
assert = assert.New(t)
|
|
options = cadvisorapiv2.RequestOptions{IdType: cadvisorapiv2.TypeName, Count: 2, Recursive: false}
|
|
|
|
rootFsInfo = getTestFsInfo(rootFsInfoSeed)
|
|
containerInfo = getTestContainerInfo(containerInfoSeed, "test-pod", "test-ns", "test-container")
|
|
containerInfoMap = map[string]cadvisorapiv2.ContainerInfo{"/": containerInfo}
|
|
)
|
|
|
|
mockCadvisor.
|
|
On("RootFsInfo").Return(rootFsInfo, nil).
|
|
On("ContainerInfoV2", "/", options).Return(containerInfoMap, nil)
|
|
|
|
provider := newStatsProvider(mockCadvisor, mockPodManager, mockRuntimeCache, fakeContainerStatsProvider{})
|
|
stats, err := provider.RootFsStats()
|
|
assert.NoError(err)
|
|
|
|
checkFsStats(t, "", rootFsInfoSeed, stats)
|
|
|
|
assert.Equal(metav1.NewTime(containerInfo.Stats[0].Timestamp), stats.Time)
|
|
assert.Equal(rootFsInfo.Usage, *stats.UsedBytes)
|
|
assert.Equal(*rootFsInfo.Inodes-*rootFsInfo.InodesFree, *stats.InodesUsed)
|
|
|
|
mockCadvisor.AssertExpectations(t)
|
|
}
|
|
|
|
func TestGetContainerInfo(t *testing.T) {
|
|
cadvisorAPIFailure := fmt.Errorf("cAdvisor failure")
|
|
runtimeError := fmt.Errorf("List containers error")
|
|
tests := []struct {
|
|
name string
|
|
containerID string
|
|
containerPath string
|
|
cadvisorContainerInfo cadvisorapiv1.ContainerInfo
|
|
runtimeError error
|
|
podList []*kubecontainer.Pod
|
|
requestedPodFullName string
|
|
requestedPodUID types.UID
|
|
requestedContainerName string
|
|
expectDockerContainerCall bool
|
|
mockError error
|
|
expectedError error
|
|
expectStats bool
|
|
}{
|
|
{
|
|
name: "get container info",
|
|
containerID: "ab2cdf",
|
|
containerPath: "/docker/ab2cdf",
|
|
cadvisorContainerInfo: cadvisorapiv1.ContainerInfo{
|
|
ContainerReference: cadvisorapiv1.ContainerReference{
|
|
Name: "/docker/ab2cdf",
|
|
},
|
|
},
|
|
runtimeError: nil,
|
|
podList: []*kubecontainer.Pod{
|
|
{
|
|
ID: "12345678",
|
|
Name: "qux",
|
|
Namespace: "ns",
|
|
Containers: []*kubecontainer.Container{
|
|
{
|
|
Name: "foo",
|
|
ID: kubecontainer.ContainerID{Type: "test", ID: "ab2cdf"},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
requestedPodFullName: "qux_ns",
|
|
requestedPodUID: "",
|
|
requestedContainerName: "foo",
|
|
expectDockerContainerCall: true,
|
|
mockError: nil,
|
|
expectedError: nil,
|
|
expectStats: true,
|
|
},
|
|
{
|
|
name: "get container info when cadvisor failed",
|
|
containerID: "ab2cdf",
|
|
containerPath: "/docker/ab2cdf",
|
|
cadvisorContainerInfo: cadvisorapiv1.ContainerInfo{},
|
|
runtimeError: nil,
|
|
podList: []*kubecontainer.Pod{
|
|
{
|
|
ID: "uuid",
|
|
Name: "qux",
|
|
Namespace: "ns",
|
|
Containers: []*kubecontainer.Container{
|
|
{
|
|
Name: "foo",
|
|
ID: kubecontainer.ContainerID{Type: "test", ID: "ab2cdf"},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
requestedPodFullName: "qux_ns",
|
|
requestedPodUID: "uuid",
|
|
requestedContainerName: "foo",
|
|
expectDockerContainerCall: true,
|
|
mockError: cadvisorAPIFailure,
|
|
expectedError: cadvisorAPIFailure,
|
|
expectStats: false,
|
|
},
|
|
{
|
|
name: "get container info on non-existent container",
|
|
containerID: "",
|
|
containerPath: "",
|
|
cadvisorContainerInfo: cadvisorapiv1.ContainerInfo{},
|
|
runtimeError: nil,
|
|
podList: []*kubecontainer.Pod{},
|
|
requestedPodFullName: "qux",
|
|
requestedPodUID: "",
|
|
requestedContainerName: "foo",
|
|
expectDockerContainerCall: false,
|
|
mockError: nil,
|
|
expectedError: kubecontainer.ErrContainerNotFound,
|
|
expectStats: false,
|
|
},
|
|
{
|
|
name: "get container info when container runtime failed",
|
|
containerID: "",
|
|
containerPath: "",
|
|
cadvisorContainerInfo: cadvisorapiv1.ContainerInfo{},
|
|
runtimeError: runtimeError,
|
|
podList: []*kubecontainer.Pod{},
|
|
requestedPodFullName: "qux",
|
|
requestedPodUID: "",
|
|
requestedContainerName: "foo",
|
|
mockError: nil,
|
|
expectedError: runtimeError,
|
|
expectStats: false,
|
|
},
|
|
{
|
|
name: "get container info with no containers",
|
|
containerID: "",
|
|
containerPath: "",
|
|
cadvisorContainerInfo: cadvisorapiv1.ContainerInfo{},
|
|
runtimeError: nil,
|
|
podList: []*kubecontainer.Pod{},
|
|
requestedPodFullName: "qux_ns",
|
|
requestedPodUID: "",
|
|
requestedContainerName: "foo",
|
|
mockError: nil,
|
|
expectedError: kubecontainer.ErrContainerNotFound,
|
|
expectStats: false,
|
|
},
|
|
{
|
|
name: "get container info with no matching containers",
|
|
containerID: "",
|
|
containerPath: "",
|
|
cadvisorContainerInfo: cadvisorapiv1.ContainerInfo{},
|
|
runtimeError: nil,
|
|
podList: []*kubecontainer.Pod{
|
|
{
|
|
ID: "12345678",
|
|
Name: "qux",
|
|
Namespace: "ns",
|
|
Containers: []*kubecontainer.Container{
|
|
{
|
|
Name: "bar",
|
|
ID: kubecontainer.ContainerID{Type: "test", ID: "fakeID"},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
requestedPodFullName: "qux_ns",
|
|
requestedPodUID: "",
|
|
requestedContainerName: "foo",
|
|
mockError: nil,
|
|
expectedError: kubecontainer.ErrContainerNotFound,
|
|
expectStats: false,
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
var (
|
|
mockCadvisor = new(cadvisortest.Mock)
|
|
mockPodManager = new(kubepodtest.MockManager)
|
|
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
|
|
|
|
cadvisorReq = &cadvisorapiv1.ContainerInfoRequest{}
|
|
)
|
|
|
|
mockPodManager.On("TranslatePodUID", tc.requestedPodUID).Return(kubetypes.ResolvedPodUID(tc.requestedPodUID))
|
|
mockRuntimeCache.On("GetPods").Return(tc.podList, tc.runtimeError)
|
|
if tc.expectDockerContainerCall {
|
|
mockCadvisor.On("DockerContainer", tc.containerID, cadvisorReq).Return(tc.cadvisorContainerInfo, tc.mockError)
|
|
}
|
|
|
|
provider := newStatsProvider(mockCadvisor, mockPodManager, mockRuntimeCache, fakeContainerStatsProvider{})
|
|
stats, err := provider.GetContainerInfo(tc.requestedPodFullName, tc.requestedPodUID, tc.requestedContainerName, cadvisorReq)
|
|
assert.Equal(t, tc.expectedError, err)
|
|
|
|
if tc.expectStats {
|
|
require.NotNil(t, stats)
|
|
}
|
|
mockCadvisor.AssertExpectations(t)
|
|
}
|
|
}
|
|
|
|
func TestGetRawContainerInfoRoot(t *testing.T) {
|
|
var (
|
|
mockCadvisor = new(cadvisortest.Mock)
|
|
mockPodManager = new(kubepodtest.MockManager)
|
|
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
|
|
|
|
cadvisorReq = &cadvisorapiv1.ContainerInfoRequest{}
|
|
containerPath = "/"
|
|
containerInfo = &cadvisorapiv1.ContainerInfo{
|
|
ContainerReference: cadvisorapiv1.ContainerReference{
|
|
Name: containerPath,
|
|
},
|
|
}
|
|
)
|
|
|
|
mockCadvisor.On("ContainerInfo", containerPath, cadvisorReq).Return(containerInfo, nil)
|
|
|
|
provider := newStatsProvider(mockCadvisor, mockPodManager, mockRuntimeCache, fakeContainerStatsProvider{})
|
|
_, err := provider.GetRawContainerInfo(containerPath, cadvisorReq, false)
|
|
assert.NoError(t, err)
|
|
mockCadvisor.AssertExpectations(t)
|
|
}
|
|
|
|
func TestGetRawContainerInfoSubcontainers(t *testing.T) {
|
|
var (
|
|
mockCadvisor = new(cadvisortest.Mock)
|
|
mockPodManager = new(kubepodtest.MockManager)
|
|
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
|
|
|
|
cadvisorReq = &cadvisorapiv1.ContainerInfoRequest{}
|
|
containerPath = "/kubelet"
|
|
containerInfo = map[string]*cadvisorapiv1.ContainerInfo{
|
|
containerPath: {
|
|
ContainerReference: cadvisorapiv1.ContainerReference{
|
|
Name: containerPath,
|
|
},
|
|
},
|
|
"/kubelet/sub": {
|
|
ContainerReference: cadvisorapiv1.ContainerReference{
|
|
Name: "/kubelet/sub",
|
|
},
|
|
},
|
|
}
|
|
)
|
|
|
|
mockCadvisor.On("SubcontainerInfo", containerPath, cadvisorReq).Return(containerInfo, nil)
|
|
|
|
provider := newStatsProvider(mockCadvisor, mockPodManager, mockRuntimeCache, fakeContainerStatsProvider{})
|
|
result, err := provider.GetRawContainerInfo(containerPath, cadvisorReq, true)
|
|
assert.NoError(t, err)
|
|
assert.Len(t, result, 2)
|
|
mockCadvisor.AssertExpectations(t)
|
|
}
|
|
|
|
func TestHasDedicatedImageFs(t *testing.T) {
|
|
for desc, test := range map[string]struct {
|
|
rootfsDevice string
|
|
imagefsDevice string
|
|
dedicated bool
|
|
}{
|
|
"dedicated device for image filesystem": {
|
|
rootfsDevice: "root/device",
|
|
imagefsDevice: "image/device",
|
|
dedicated: true,
|
|
},
|
|
"shared device for image filesystem": {
|
|
rootfsDevice: "share/device",
|
|
imagefsDevice: "share/device",
|
|
dedicated: false,
|
|
},
|
|
} {
|
|
t.Logf("TestCase %q", desc)
|
|
var (
|
|
mockCadvisor = new(cadvisortest.Mock)
|
|
mockPodManager = new(kubepodtest.MockManager)
|
|
mockRuntimeCache = new(kubecontainertest.MockRuntimeCache)
|
|
)
|
|
mockCadvisor.On("RootFsInfo").Return(cadvisorapiv2.FsInfo{Device: test.rootfsDevice}, nil)
|
|
|
|
provider := newStatsProvider(mockCadvisor, mockPodManager, mockRuntimeCache, fakeContainerStatsProvider{
|
|
device: test.imagefsDevice,
|
|
})
|
|
dedicated, err := provider.HasDedicatedImageFs()
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, test.dedicated, dedicated)
|
|
mockCadvisor.AssertExpectations(t)
|
|
}
|
|
}
|
|
|
|
func getTerminatedContainerInfo(seed int, podName string, podNamespace string, containerName string) cadvisorapiv2.ContainerInfo {
|
|
cinfo := getTestContainerInfo(seed, podName, podNamespace, containerName)
|
|
cinfo.Stats[0].Memory.RSS = 0
|
|
cinfo.Stats[0].CpuInst.Usage.Total = 0
|
|
return cinfo
|
|
}
|
|
|
|
func getTestContainerInfo(seed int, podName string, podNamespace string, containerName string) cadvisorapiv2.ContainerInfo {
|
|
labels := map[string]string{}
|
|
if podName != "" {
|
|
labels = map[string]string{
|
|
"io.kubernetes.pod.name": podName,
|
|
"io.kubernetes.pod.uid": "UID" + podName,
|
|
"io.kubernetes.pod.namespace": podNamespace,
|
|
"io.kubernetes.container.name": containerName,
|
|
}
|
|
}
|
|
// by default, kernel will set memory.limit_in_bytes to 1 << 63 if not bounded
|
|
unlimitedMemory := uint64(1 << 63)
|
|
spec := cadvisorapiv2.ContainerSpec{
|
|
CreationTime: testTime(creationTime, seed),
|
|
HasCpu: true,
|
|
HasMemory: true,
|
|
HasNetwork: true,
|
|
Labels: labels,
|
|
Memory: cadvisorapiv2.MemorySpec{
|
|
Limit: unlimitedMemory,
|
|
},
|
|
CustomMetrics: generateCustomMetricSpec(),
|
|
}
|
|
|
|
totalUsageBytes := uint64(seed + offsetFsTotalUsageBytes)
|
|
baseUsageBytes := uint64(seed + offsetFsBaseUsageBytes)
|
|
inodeUsage := uint64(seed + offsetFsInodeUsage)
|
|
|
|
stats := cadvisorapiv2.ContainerStats{
|
|
Timestamp: testTime(timestamp, seed),
|
|
Cpu: &cadvisorapiv1.CpuStats{},
|
|
CpuInst: &cadvisorapiv2.CpuInstStats{},
|
|
Memory: &cadvisorapiv1.MemoryStats{
|
|
Usage: uint64(seed + offsetMemUsageBytes),
|
|
WorkingSet: uint64(seed + offsetMemWorkingSetBytes),
|
|
RSS: uint64(seed + offsetMemRSSBytes),
|
|
ContainerData: cadvisorapiv1.MemoryStatsMemoryData{
|
|
Pgfault: uint64(seed + offsetMemPageFaults),
|
|
Pgmajfault: uint64(seed + offsetMemMajorPageFaults),
|
|
},
|
|
},
|
|
Network: &cadvisorapiv2.NetworkStats{
|
|
Interfaces: []cadvisorapiv1.InterfaceStats{{
|
|
Name: "eth0",
|
|
RxBytes: uint64(seed + offsetNetRxBytes),
|
|
RxErrors: uint64(seed + offsetNetRxErrors),
|
|
TxBytes: uint64(seed + offsetNetTxBytes),
|
|
TxErrors: uint64(seed + offsetNetTxErrors),
|
|
}, {
|
|
Name: "cbr0",
|
|
RxBytes: 100,
|
|
RxErrors: 100,
|
|
TxBytes: 100,
|
|
TxErrors: 100,
|
|
}},
|
|
},
|
|
CustomMetrics: generateCustomMetrics(spec.CustomMetrics),
|
|
Filesystem: &cadvisorapiv2.FilesystemStats{
|
|
TotalUsageBytes: &totalUsageBytes,
|
|
BaseUsageBytes: &baseUsageBytes,
|
|
InodeUsage: &inodeUsage,
|
|
},
|
|
Accelerators: []cadvisorapiv1.AcceleratorStats{
|
|
{
|
|
Make: "nvidia",
|
|
Model: "Tesla K80",
|
|
ID: "foobar",
|
|
MemoryTotal: uint64(seed + offsetMemUsageBytes),
|
|
MemoryUsed: uint64(seed + offsetMemUsageBytes),
|
|
DutyCycle: uint64(seed + offsetAcceleratorDutyCycle),
|
|
},
|
|
},
|
|
}
|
|
stats.Cpu.Usage.Total = uint64(seed + offsetCPUUsageCoreSeconds)
|
|
stats.CpuInst.Usage.Total = uint64(seed + offsetCPUUsageCores)
|
|
return cadvisorapiv2.ContainerInfo{
|
|
Spec: spec,
|
|
Stats: []*cadvisorapiv2.ContainerStats{&stats},
|
|
}
|
|
}
|
|
|
|
func getTestFsInfo(seed int) cadvisorapiv2.FsInfo {
|
|
var (
|
|
inodes = uint64(seed + offsetFsInodes)
|
|
inodesFree = uint64(seed + offsetFsInodesFree)
|
|
)
|
|
return cadvisorapiv2.FsInfo{
|
|
Timestamp: time.Now(),
|
|
Device: "test-device",
|
|
Mountpoint: "test-mount-point",
|
|
Capacity: uint64(seed + offsetFsCapacity),
|
|
Available: uint64(seed + offsetFsAvailable),
|
|
Usage: uint64(seed + offsetFsUsage),
|
|
Inodes: &inodes,
|
|
InodesFree: &inodesFree,
|
|
}
|
|
}
|
|
|
|
func getPodVolumeStats(seed int, volumeName string) statsapi.VolumeStats {
|
|
availableBytes := uint64(seed + offsetFsAvailable)
|
|
capacityBytes := uint64(seed + offsetFsCapacity)
|
|
usedBytes := uint64(seed + offsetFsUsage)
|
|
inodes := uint64(seed + offsetFsInodes)
|
|
inodesFree := uint64(seed + offsetFsInodesFree)
|
|
inodesUsed := uint64(seed + offsetFsInodeUsage)
|
|
fsStats := statsapi.FsStats{
|
|
Time: metav1.NewTime(time.Now()),
|
|
AvailableBytes: &availableBytes,
|
|
CapacityBytes: &capacityBytes,
|
|
UsedBytes: &usedBytes,
|
|
Inodes: &inodes,
|
|
InodesFree: &inodesFree,
|
|
InodesUsed: &inodesUsed,
|
|
}
|
|
return statsapi.VolumeStats{
|
|
FsStats: fsStats,
|
|
Name: volumeName,
|
|
}
|
|
}
|
|
|
|
func generateCustomMetricSpec() []cadvisorapiv1.MetricSpec {
|
|
f := fuzz.New().NilChance(0).Funcs(
|
|
func(e *cadvisorapiv1.MetricSpec, c fuzz.Continue) {
|
|
c.Fuzz(&e.Name)
|
|
switch c.Intn(3) {
|
|
case 0:
|
|
e.Type = cadvisorapiv1.MetricGauge
|
|
case 1:
|
|
e.Type = cadvisorapiv1.MetricCumulative
|
|
case 2:
|
|
e.Type = cadvisorapiv1.MetricType("delta")
|
|
}
|
|
switch c.Intn(2) {
|
|
case 0:
|
|
e.Format = cadvisorapiv1.IntType
|
|
case 1:
|
|
e.Format = cadvisorapiv1.FloatType
|
|
}
|
|
c.Fuzz(&e.Units)
|
|
})
|
|
var ret []cadvisorapiv1.MetricSpec
|
|
f.Fuzz(&ret)
|
|
return ret
|
|
}
|
|
|
|
func generateCustomMetrics(spec []cadvisorapiv1.MetricSpec) map[string][]cadvisorapiv1.MetricVal {
|
|
ret := map[string][]cadvisorapiv1.MetricVal{}
|
|
for _, metricSpec := range spec {
|
|
f := fuzz.New().NilChance(0).Funcs(
|
|
func(e *cadvisorapiv1.MetricVal, c fuzz.Continue) {
|
|
switch metricSpec.Format {
|
|
case cadvisorapiv1.IntType:
|
|
c.Fuzz(&e.IntValue)
|
|
case cadvisorapiv1.FloatType:
|
|
c.Fuzz(&e.FloatValue)
|
|
}
|
|
})
|
|
|
|
var metrics []cadvisorapiv1.MetricVal
|
|
f.Fuzz(&metrics)
|
|
ret[metricSpec.Name] = metrics
|
|
}
|
|
return ret
|
|
}
|
|
|
|
func testTime(base time.Time, seed int) time.Time {
|
|
return base.Add(time.Duration(seed) * time.Second)
|
|
}
|
|
|
|
func checkNetworkStats(t *testing.T, label string, seed int, stats *statsapi.NetworkStats) {
|
|
assert.NotNil(t, stats)
|
|
assert.EqualValues(t, testTime(timestamp, seed).Unix(), stats.Time.Time.Unix(), label+".Net.Time")
|
|
assert.EqualValues(t, "eth0", stats.Name, "default interface name is not eth0")
|
|
assert.EqualValues(t, seed+offsetNetRxBytes, *stats.RxBytes, label+".Net.RxBytes")
|
|
assert.EqualValues(t, seed+offsetNetRxErrors, *stats.RxErrors, label+".Net.RxErrors")
|
|
assert.EqualValues(t, seed+offsetNetTxBytes, *stats.TxBytes, label+".Net.TxBytes")
|
|
assert.EqualValues(t, seed+offsetNetTxErrors, *stats.TxErrors, label+".Net.TxErrors")
|
|
|
|
assert.EqualValues(t, 2, len(stats.Interfaces), "network interfaces should contain 2 elements")
|
|
|
|
assert.EqualValues(t, "eth0", stats.Interfaces[0].Name, "default interface name is not eth0")
|
|
assert.EqualValues(t, seed+offsetNetRxBytes, *stats.Interfaces[0].RxBytes, label+".Net.TxErrors")
|
|
assert.EqualValues(t, seed+offsetNetRxErrors, *stats.Interfaces[0].RxErrors, label+".Net.TxErrors")
|
|
assert.EqualValues(t, seed+offsetNetTxBytes, *stats.Interfaces[0].TxBytes, label+".Net.TxErrors")
|
|
assert.EqualValues(t, seed+offsetNetTxErrors, *stats.Interfaces[0].TxErrors, label+".Net.TxErrors")
|
|
|
|
assert.EqualValues(t, "cbr0", stats.Interfaces[1].Name, "cbr0 interface name is not cbr0")
|
|
assert.EqualValues(t, 100, *stats.Interfaces[1].RxBytes, label+".Net.TxErrors")
|
|
assert.EqualValues(t, 100, *stats.Interfaces[1].RxErrors, label+".Net.TxErrors")
|
|
assert.EqualValues(t, 100, *stats.Interfaces[1].TxBytes, label+".Net.TxErrors")
|
|
assert.EqualValues(t, 100, *stats.Interfaces[1].TxErrors, label+".Net.TxErrors")
|
|
|
|
}
|
|
|
|
// container which had no stats should have zero-valued CPU usage
|
|
func checkEmptyCPUStats(t *testing.T, label string, seed int, stats *statsapi.CPUStats) {
|
|
require.NotNil(t, stats.Time, label+".CPU.Time")
|
|
require.NotNil(t, stats.UsageNanoCores, label+".CPU.UsageNanoCores")
|
|
require.NotNil(t, stats.UsageNanoCores, label+".CPU.UsageCoreSeconds")
|
|
assert.EqualValues(t, testTime(timestamp, seed).Unix(), stats.Time.Time.Unix(), label+".CPU.Time")
|
|
assert.EqualValues(t, 0, *stats.UsageNanoCores, label+".CPU.UsageCores")
|
|
assert.EqualValues(t, 0, *stats.UsageCoreNanoSeconds, label+".CPU.UsageCoreSeconds")
|
|
}
|
|
|
|
// container which had no stats should have zero-valued Memory usage
|
|
func checkEmptyMemoryStats(t *testing.T, label string, seed int, info cadvisorapiv2.ContainerInfo, stats *statsapi.MemoryStats) {
|
|
assert.EqualValues(t, testTime(timestamp, seed).Unix(), stats.Time.Time.Unix(), label+".Mem.Time")
|
|
require.NotNil(t, stats.WorkingSetBytes, label+".Mem.WorkingSetBytes")
|
|
assert.EqualValues(t, 0, *stats.WorkingSetBytes, label+".Mem.WorkingSetBytes")
|
|
assert.Nil(t, stats.UsageBytes, label+".Mem.UsageBytes")
|
|
assert.Nil(t, stats.RSSBytes, label+".Mem.RSSBytes")
|
|
assert.Nil(t, stats.PageFaults, label+".Mem.PageFaults")
|
|
assert.Nil(t, stats.MajorPageFaults, label+".Mem.MajorPageFaults")
|
|
assert.Nil(t, stats.AvailableBytes, label+".Mem.AvailableBytes")
|
|
}
|
|
|
|
func checkCPUStats(t *testing.T, label string, seed int, stats *statsapi.CPUStats) {
|
|
require.NotNil(t, stats.Time, label+".CPU.Time")
|
|
require.NotNil(t, stats.UsageNanoCores, label+".CPU.UsageNanoCores")
|
|
require.NotNil(t, stats.UsageNanoCores, label+".CPU.UsageCoreSeconds")
|
|
assert.EqualValues(t, testTime(timestamp, seed).Unix(), stats.Time.Time.Unix(), label+".CPU.Time")
|
|
assert.EqualValues(t, seed+offsetCPUUsageCores, *stats.UsageNanoCores, label+".CPU.UsageCores")
|
|
assert.EqualValues(t, seed+offsetCPUUsageCoreSeconds, *stats.UsageCoreNanoSeconds, label+".CPU.UsageCoreSeconds")
|
|
}
|
|
|
|
func checkMemoryStats(t *testing.T, label string, seed int, info cadvisorapiv2.ContainerInfo, stats *statsapi.MemoryStats) {
|
|
assert.EqualValues(t, testTime(timestamp, seed).Unix(), stats.Time.Time.Unix(), label+".Mem.Time")
|
|
assert.EqualValues(t, seed+offsetMemUsageBytes, *stats.UsageBytes, label+".Mem.UsageBytes")
|
|
assert.EqualValues(t, seed+offsetMemWorkingSetBytes, *stats.WorkingSetBytes, label+".Mem.WorkingSetBytes")
|
|
assert.EqualValues(t, seed+offsetMemRSSBytes, *stats.RSSBytes, label+".Mem.RSSBytes")
|
|
assert.EqualValues(t, seed+offsetMemPageFaults, *stats.PageFaults, label+".Mem.PageFaults")
|
|
assert.EqualValues(t, seed+offsetMemMajorPageFaults, *stats.MajorPageFaults, label+".Mem.MajorPageFaults")
|
|
if !info.Spec.HasMemory || isMemoryUnlimited(info.Spec.Memory.Limit) {
|
|
assert.Nil(t, stats.AvailableBytes, label+".Mem.AvailableBytes")
|
|
} else {
|
|
expected := info.Spec.Memory.Limit - *stats.WorkingSetBytes
|
|
assert.EqualValues(t, expected, *stats.AvailableBytes, label+".Mem.AvailableBytes")
|
|
}
|
|
}
|
|
|
|
func checkFsStats(t *testing.T, label string, seed int, stats *statsapi.FsStats) {
|
|
assert.EqualValues(t, seed+offsetFsCapacity, *stats.CapacityBytes, label+".CapacityBytes")
|
|
assert.EqualValues(t, seed+offsetFsAvailable, *stats.AvailableBytes, label+".AvailableBytes")
|
|
assert.EqualValues(t, seed+offsetFsInodes, *stats.Inodes, label+".Inodes")
|
|
assert.EqualValues(t, seed+offsetFsInodesFree, *stats.InodesFree, label+".InodesFree")
|
|
}
|
|
|
|
func checkEphemeralStats(t *testing.T, label string, containerSeeds []int, volumeSeeds []int, stats *statsapi.FsStats) {
|
|
var usedBytes, inodeUsage int
|
|
for _, cseed := range containerSeeds {
|
|
usedBytes = usedBytes + cseed + offsetFsTotalUsageBytes
|
|
inodeUsage += cseed + offsetFsInodeUsage
|
|
}
|
|
for _, vseed := range volumeSeeds {
|
|
usedBytes = usedBytes + vseed + offsetFsUsage
|
|
inodeUsage += vseed + offsetFsInodeUsage
|
|
}
|
|
assert.EqualValues(t, usedBytes, int(*stats.UsedBytes), label+".UsedBytes")
|
|
assert.EqualValues(t, inodeUsage, int(*stats.InodesUsed), label+".InodesUsed")
|
|
}
|
|
|
|
type fakeResourceAnalyzer struct {
|
|
podVolumeStats serverstats.PodVolumeStats
|
|
}
|
|
|
|
func (o *fakeResourceAnalyzer) Start() {}
|
|
func (o *fakeResourceAnalyzer) Get(bool) (*statsapi.Summary, error) { return nil, nil }
|
|
func (o *fakeResourceAnalyzer) GetCPUAndMemoryStats() (*statsapi.Summary, error) { return nil, nil }
|
|
func (o *fakeResourceAnalyzer) GetPodVolumeStats(uid types.UID) (serverstats.PodVolumeStats, bool) {
|
|
return o.podVolumeStats, true
|
|
}
|
|
|
|
type fakeContainerStatsProvider struct {
|
|
device string
|
|
}
|
|
|
|
func (p fakeContainerStatsProvider) ListPodStats() ([]statsapi.PodStats, error) {
|
|
return nil, fmt.Errorf("not implemented")
|
|
}
|
|
|
|
func (p fakeContainerStatsProvider) ListPodStatsAndUpdateCPUNanoCoreUsage() ([]statsapi.PodStats, error) {
|
|
return nil, fmt.Errorf("not implemented")
|
|
}
|
|
|
|
func (p fakeContainerStatsProvider) ListPodCPUAndMemoryStats() ([]statsapi.PodStats, error) {
|
|
return nil, fmt.Errorf("not implemented")
|
|
}
|
|
|
|
func (p fakeContainerStatsProvider) ImageFsStats() (*statsapi.FsStats, error) {
|
|
return nil, fmt.Errorf("not implemented")
|
|
}
|
|
|
|
func (p fakeContainerStatsProvider) ImageFsDevice() (string, error) {
|
|
return p.device, nil
|
|
}
|