summary_windows_test.go

Documentation: k8s.io/kubernetes/pkg/kubelet/server/stats

     1  //go:build windows
     2  // +build windows
     3  
     4  /*
     5  Copyright 2018 The Kubernetes Authors.
     6  
     7  Licensed under the Apache License, Version 2.0 (the "License");
     8  you may not use this file except in compliance with the License.
     9  You may obtain a copy of the License at
    10  
    11      http://www.apache.org/licenses/LICENSE-2.0
    12  
    13  Unless required by applicable law or agreed to in writing, software
    14  distributed under the License is distributed on an "AS IS" BASIS,
    15  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    16  See the License for the specific language governing permissions and
    17  limitations under the License.
    18  */
    19  
    20  package stats
    21  
    22  import (
    23  	"context"
    24  	"testing"
    25  	"time"
    26  
    27  	gomock "github.com/golang/mock/gomock"
    28  	fuzz "github.com/google/gofuzz"
    29  	"github.com/stretchr/testify/assert"
    30  
    31  	v1 "k8s.io/api/core/v1"
    32  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    33  	statsapi "k8s.io/kubelet/pkg/apis/stats/v1alpha1"
    34  	"k8s.io/kubernetes/pkg/kubelet/cm"
    35  	statstest "k8s.io/kubernetes/pkg/kubelet/server/stats/testing"
    36  )
    37  
    38  func TestSummaryProvider(t *testing.T) {
    39  	var (
    40  		ctx            = context.Background()
    41  		podStats       = []statsapi.PodStats{*getPodStats()}
    42  		imageFsStats   = getFsStats()
    43  		rootFsStats    = getFsStats()
    44  		node           = &v1.Node{ObjectMeta: metav1.ObjectMeta{Name: "test-node"}}
    45  		nodeConfig     = cm.NodeConfig{}
    46  		cgroupRoot     = "/kubepods"
    47  		cgroupStatsMap = map[string]struct {
    48  			cs *statsapi.ContainerStats
    49  			ns *statsapi.NetworkStats
    50  		}{
    51  			"/":     {cs: getContainerStats()},
    52  			"/pods": {cs: getContainerStats()},
    53  		}
    54  	)
    55  
    56  	assert := assert.New(t)
    57  
    58  	mockCtrl := gomock.NewController(t)
    59  	defer mockCtrl.Finish()
    60  
    61  	mockStatsProvider := statstest.NewMockProvider(mockCtrl)
    62  	mockStatsProvider.EXPECT().GetNode().Return(node, nil).AnyTimes()
    63  	mockStatsProvider.EXPECT().GetNodeConfig().Return(nodeConfig).AnyTimes()
    64  	mockStatsProvider.EXPECT().GetPodCgroupRoot().Return(cgroupRoot).AnyTimes()
    65  	mockStatsProvider.EXPECT().ListPodStats(ctx).Return(podStats, nil).AnyTimes()
    66  	mockStatsProvider.EXPECT().ListPodStatsAndUpdateCPUNanoCoreUsage(ctx).Return(podStats, nil).AnyTimes()
    67  	mockStatsProvider.EXPECT().ImageFsStats(ctx).Return(imageFsStats, imageFsStats, nil).AnyTimes()
    68  	mockStatsProvider.EXPECT().RootFsStats().Return(rootFsStats, nil).AnyTimes()
    69  	mockStatsProvider.EXPECT().RlimitStats().Return(nil, nil).AnyTimes()
    70  	mockStatsProvider.EXPECT().GetCgroupStats("/", true).Return(cgroupStatsMap["/"].cs, cgroupStatsMap["/"].ns, nil).AnyTimes()
    71  
    72  	kubeletCreationTime := metav1.Now()
    73  	systemBootTime := metav1.Now()
    74  	provider := summaryProviderImpl{kubeletCreationTime: kubeletCreationTime, systemBootTime: systemBootTime, provider: mockStatsProvider}
    75  	summary, err := provider.Get(ctx, true)
    76  	assert.NoError(err)
    77  
    78  	assert.Equal(summary.Node.NodeName, "test-node")
    79  	assert.Equal(summary.Node.StartTime, systemBootTime)
    80  	assert.Equal(summary.Node.CPU, cgroupStatsMap["/"].cs.CPU)
    81  	assert.Equal(summary.Node.Memory, cgroupStatsMap["/"].cs.Memory)
    82  	assert.Equal(summary.Node.Network, cgroupStatsMap["/"].ns)
    83  	assert.Equal(summary.Node.Fs, rootFsStats)
    84  	assert.Equal(summary.Node.Runtime, &statsapi.RuntimeStats{ContainerFs: imageFsStats, ImageFs: imageFsStats})
    85  
    86  	assert.Equal(len(summary.Node.SystemContainers), 1)
    87  	assert.Equal(summary.Node.SystemContainers[0].Name, "pods")
    88  	assert.Equal(summary.Node.SystemContainers[0].CPU.UsageCoreNanoSeconds, podStats[0].CPU.UsageCoreNanoSeconds)
    89  	assert.Equal(summary.Node.SystemContainers[0].CPU.UsageNanoCores, podStats[0].CPU.UsageNanoCores)
    90  	assert.Equal(summary.Node.SystemContainers[0].Memory.WorkingSetBytes, podStats[0].Memory.WorkingSetBytes)
    91  	assert.Equal(summary.Node.SystemContainers[0].Memory.UsageBytes, podStats[0].Memory.UsageBytes)
    92  	assert.Equal(summary.Node.SystemContainers[0].Memory.AvailableBytes, podStats[0].Memory.AvailableBytes)
    93  	assert.Equal(summary.Pods, podStats)
    94  }
    95  
    96  func getFsStats() *statsapi.FsStats {
    97  	f := fuzz.New().NilChance(0)
    98  	v := &statsapi.FsStats{}
    99  	f.Fuzz(v)
   100  	return v
   101  }
   102  
   103  func getContainerStats() *statsapi.ContainerStats {
   104  	f := fuzz.New().NilChance(0)
   105  	v := &statsapi.ContainerStats{}
   106  	f.Fuzz(v)
   107  	return v
   108  }
   109  
   110  func getPodStats() *statsapi.PodStats {
   111  	containerStats := getContainerStats()
   112  	podStats := statsapi.PodStats{
   113  		PodRef:     statsapi.PodReference{Name: "test-pod", Namespace: "test-namespace", UID: "UID_test-pod"},
   114  		StartTime:  metav1.NewTime(time.Now()),
   115  		Containers: []statsapi.ContainerStats{*containerStats},
   116  		CPU:        containerStats.CPU,
   117  		Memory:     containerStats.Memory,
   118  	}
   119  
   120  	return &podStats
   121  }
   122
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