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November 9, 2021 11:27
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unit test for `formatter.go` in `kubernetes/pkg/scheduler/internal/cache/debugger`
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| /* | |
| Copyright 2018 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 debugger | |
| import ( | |
| "flag" | |
| "fmt" | |
| "github.com/go-logr/logr" | |
| "k8s.io/api/core/v1" | |
| "k8s.io/apimachinery/pkg/api/resource" | |
| "k8s.io/apimachinery/pkg/types" | |
| "k8s.io/component-base/config" | |
| "k8s.io/component-base/logs" | |
| _ "k8s.io/component-base/logs/json/register" | |
| "k8s.io/klog/v2" | |
| "k8s.io/kubernetes/pkg/scheduler/framework" | |
| "k8s.io/kubernetes/pkg/scheduler/internal/cache" | |
| _ "k8s.io/kubernetes/pkg/scheduler/internal/cache" | |
| "os" | |
| "strconv" | |
| "testing" | |
| //"testing" | |
| //"reflect" | |
| //"strings" | |
| //"testing" | |
| // | |
| //"github.com/google/go-cmp/cmp" | |
| //v1 "k8s.io/api/core/v1" | |
| //"k8s.io/apimachinery/pkg/api/resource" | |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | |
| //"k8s.io/apimachinery/pkg/types" | |
| //"k8s.io/apimachinery/pkg/util/sets" | |
| ) | |
| func init() { | |
| klog.InitFlags(nil) | |
| } | |
| func TestExample(t *testing.T) { | |
| var _ logr.Marshaler = formatPod{} | |
| var _ logr.Marshaler = formatNode{} | |
| var podSlice []*v1.Pod | |
| for i := 0; i < 3; i++ { | |
| pod := &v1.Pod{} | |
| pod.UID = types.UID("some-uid" + strconv.Itoa(i)) | |
| pod.Status.Phase = v1.PodPhase("pd-phase" + strconv.Itoa(i)) | |
| pod.Namespace = "ns" + strconv.Itoa(i) | |
| pod.Name = "pod-name" + strconv.Itoa(i) | |
| pod.Status.NominatedNodeName = "nom" + strconv.Itoa(i) | |
| podSlice = append(podSlice, pod) | |
| } | |
| var dumper cache.Dump | |
| nodeName := "test-node" | |
| dumper.Nodes = make(map[string]*framework.NodeInfo) | |
| dumper.Nodes["testNode"] = &framework.NodeInfo{ | |
| Requested: &framework.Resource{ | |
| MilliCPU: 2300, | |
| Memory: 209716700, //1500 + 200MB in initContainers | |
| EphemeralStorage: 0, | |
| AllowedPodNumber: 0, | |
| ScalarResources: map[v1.ResourceName]int64(nil), | |
| }, | |
| NonZeroRequested: &framework.Resource{ | |
| MilliCPU: 2300, | |
| Memory: 419431900, //200MB(initContainers) + 200MB(default memory value) + 1500 specified in requests/overhead | |
| EphemeralStorage: 0, | |
| AllowedPodNumber: 0, | |
| ScalarResources: map[v1.ResourceName]int64(nil), | |
| }, | |
| Allocatable: &framework.Resource{}, | |
| Generation: 2, | |
| UsedPorts: framework.HostPortInfo{ | |
| "127.0.0.1": map[framework.ProtocolPort]struct{}{ | |
| {Protocol: "TCP", Port: 80}: {}, | |
| {Protocol: "TCP", Port: 8080}: {}, | |
| }, | |
| }, | |
| ImageStates: map[string]*framework.ImageStateSummary{}, | |
| PVCRefCounts: map[string]int{"node_info_cache_test/pvc-1": 2, "node_info_cache_test/pvc-2": 1}, | |
| Pods: []*framework.PodInfo{ | |
| { | |
| Pod: &v1.Pod{ | |
| ObjectMeta: metav1.ObjectMeta{ | |
| Namespace: "node_info_cache_test", | |
| Name: "test-1", | |
| UID: types.UID("test-1"), | |
| }, | |
| Spec: v1.PodSpec{ | |
| Containers: []v1.Container{ | |
| { | |
| Resources: v1.ResourceRequirements{ | |
| Requests: v1.ResourceList{ | |
| v1.ResourceCPU: resource.MustParse("100m"), | |
| v1.ResourceMemory: resource.MustParse("500"), | |
| }, | |
| }, | |
| Ports: []v1.ContainerPort{ | |
| { | |
| HostIP: "127.0.0.1", | |
| HostPort: 80, | |
| Protocol: "TCP", | |
| }, | |
| }, | |
| }, | |
| }, | |
| NodeName: nodeName, | |
| Overhead: v1.ResourceList{ | |
| v1.ResourceCPU: resource.MustParse("500m"), | |
| }, | |
| Volumes: []v1.Volume{ | |
| { | |
| VolumeSource: v1.VolumeSource{ | |
| PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{ | |
| ClaimName: "pvc-1", | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| { | |
| Pod: &v1.Pod{ | |
| ObjectMeta: metav1.ObjectMeta{ | |
| Namespace: "node_info_cache_test", | |
| Name: "test-2", | |
| UID: types.UID("test-2"), | |
| }, | |
| Spec: v1.PodSpec{ | |
| Containers: []v1.Container{ | |
| { | |
| Resources: v1.ResourceRequirements{ | |
| Requests: v1.ResourceList{ | |
| v1.ResourceCPU: resource.MustParse("200m"), | |
| }, | |
| }, | |
| Ports: []v1.ContainerPort{ | |
| { | |
| HostIP: "127.0.0.1", | |
| HostPort: 8080, | |
| Protocol: "TCP", | |
| }, | |
| }, | |
| }, | |
| }, | |
| NodeName: nodeName, | |
| Overhead: v1.ResourceList{ | |
| v1.ResourceCPU: resource.MustParse("500m"), | |
| v1.ResourceMemory: resource.MustParse("500"), | |
| }, | |
| Volumes: []v1.Volume{ | |
| { | |
| VolumeSource: v1.VolumeSource{ | |
| PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{ | |
| ClaimName: "pvc-1", | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| { | |
| Pod: &v1.Pod{ | |
| ObjectMeta: metav1.ObjectMeta{ | |
| Namespace: "node_info_cache_test", | |
| Name: "test-3", | |
| UID: types.UID("test-3"), | |
| }, | |
| Spec: v1.PodSpec{ | |
| Containers: []v1.Container{ | |
| { | |
| Resources: v1.ResourceRequirements{ | |
| Requests: v1.ResourceList{ | |
| v1.ResourceCPU: resource.MustParse("200m"), | |
| }, | |
| }, | |
| Ports: []v1.ContainerPort{ | |
| { | |
| HostIP: "127.0.0.1", | |
| HostPort: 8080, | |
| Protocol: "TCP", | |
| }, | |
| }, | |
| }, | |
| }, | |
| InitContainers: []v1.Container{ | |
| { | |
| Resources: v1.ResourceRequirements{ | |
| Requests: v1.ResourceList{ | |
| v1.ResourceCPU: resource.MustParse("500m"), | |
| v1.ResourceMemory: resource.MustParse("200Mi"), | |
| }, | |
| }, | |
| }, | |
| }, | |
| NodeName: nodeName, | |
| Overhead: v1.ResourceList{ | |
| v1.ResourceCPU: resource.MustParse("500m"), | |
| v1.ResourceMemory: resource.MustParse("500"), | |
| }, | |
| Volumes: []v1.Volume{ | |
| { | |
| VolumeSource: v1.VolumeSource{ | |
| PersistentVolumeClaim: &v1.PersistentVolumeClaimVolumeSource{ | |
| ClaimName: "pvc-2", | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| }, | |
| } | |
| // Print as JSON to stdout. | |
| os.Stderr = os.Stdout | |
| options := logs.Options{ | |
| Config: config.LoggingConfiguration{ | |
| Format: "json", | |
| }, | |
| } | |
| if err := options.ValidateAndApply(); err != nil { | |
| fmt.Printf("unexpected error: %v\n", err) | |
| } | |
| klog.InfoS("JSON output", "pod", formatPod{podSlice}) | |
| klog.InfoS("JSON output", "nodeInfo", formatNode{"testNode", dumper.Nodes["testNode"], nil}) | |
| options.Config.Format = "text" | |
| if err := options.ValidateAndApply(); err != nil { | |
| fmt.Printf("unexpected error: %v\n", err) | |
| } | |
| flag.Set("skip_headers", "true") | |
| flag.Set("alsologtostderr", "false") | |
| flag.Set("logtostderr", "false") | |
| klog.SetOutput(os.Stdout) | |
| klog.InfoS("text output", "pod", formatPod{podSlice}) | |
| klog.InfoS("text output", "nodeInfo", formatNode{"testNode", dumper.Nodes["testNode"], nil}) | |
| // Output: | |
| // === RUN TestExample | |
| // {"ts":1636456974407.1072,"caller":"debugger/formatter_test.go:240","msg":"JSON output","v":0,"pod":[{"Name":"pod-name0","Namespace":"ns0","NominatedNode":"nom0","UID":"some-uid0","Phase":"pd-phase0"},{"Name":"pod-name1","Namespace":"ns1","NominatedNode":"nom1","UID":"some-uid1","Phase":"pd-phase1"},{"Name":"pod-name2","Namespace":"ns2","NominatedNode":"nom2","UID":"some-uid2","Phase":"pd-phase2"}]} | |
| // {"ts":1636456974407.198,"caller":"debugger/formatter_test.go:241","msg":"JSON output","v":0,"nodeInfo":{"NodeName":"testNode","Deleted":true,"RequestedResources":{"MilliCPU":2300,"Memory":209716700,"EphemeralStorage":0,"AllowedPodNumber":0,"ScalarResources":null},"AllocatableResources":{"MilliCPU":0,"Memory":0,"EphemeralStorage":0,"AllowedPodNumber":0,"ScalarResources":null},"ScheduledPods":3,"PodInfo":[{"Name":"test-1","Namespace":"node_info_cache_test","NominatedNode":"","UID":"test-1","Phase":""},{"Name":"test-2","Namespace":"node_info_cache_test","NominatedNode":"","UID":"test-2","Phase":""},{"Name":"test-3","Namespace":"node_info_cache_test","NominatedNode":"","UID":"test-3","Phase":""}],"NominatedPods":0,"NominatedPodsInfo":null}} | |
| // "text output" pod="Name: pod-name0, Namespace: ns0, UID: some-uid0, Phase: pd-phase0, NominatedNode: nom0\nName: pod-name1, Namespace: ns1, UID: some-uid1, Phase: pd-phase1, NominatedNode: nom1\nName: pod-name2, Namespace: ns2, UID: some-uid2, Phase: pd-phase2, NominatedNode: nom2\n" | |
| // "text output" nodeInfo="\nNodeName: testNode\nDeleted true\nRequestedResources: &{MilliCPU:2300 Memory:209716700 EphemeralStorage:0 AllowedPodNumber:0 ScalarResources:map[]}\nAllocatableResources: &{MilliCPU:0 Memory:0 EphemeralStorage:0 AllowedPodNumber:0 ScalarResources:map[]}\nScheduledPods: 3\nNominatedPods: 0\nName: test-1, Namespace: node_info_cache_test, UID: test-1, Phase: , NominatedNode: \nName: test-2, Namespace: node_info_cache_test, UID: test-2, Phase: , NominatedNode: \nName: test-3, Namespace: node_info_cache_test, UID: test-3, Phase: , NominatedNode: \n" | |
| // --- PASS: TestExample (0.00s) | |
| // PASS | |
| } |
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