2020-04-13 20:02:27 +02:00
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package kubernetes
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import (
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"reflect"
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"testing"
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2020-04-24 16:50:21 +02:00
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discoveryutils"
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2020-04-13 20:02:27 +02:00
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)
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func TestParseNodeListFailure(t *testing.T) {
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f := func(s string) {
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t.Helper()
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nls, err := parseNodeList([]byte(s))
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if err == nil {
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t.Fatalf("expecting non-nil error")
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}
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if nls != nil {
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t.Fatalf("unexpected non-nil NodeList: %v", nls)
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}
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}
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f(``)
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f(`[1,23]`)
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f(`{"items":[{"metadata":1}]}`)
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f(`{"items":[{"metadata":{"labels":[1]}}]}`)
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}
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func TestParseNodeListSuccess(t *testing.T) {
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data := `{
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"kind": "NodeList",
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"apiVersion": "v1",
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"metadata": {
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"selfLink": "/api/v1/nodes",
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"resourceVersion": "22627"
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},
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"items": [
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{
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"metadata": {
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"name": "m01",
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"selfLink": "/api/v1/nodes/m01",
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"uid": "b48dd901-ead0-476a-b209-d2d908d65109",
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"resourceVersion": "22309",
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"creationTimestamp": "2020-03-16T20:44:23Z",
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"labels": {
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"beta.kubernetes.io/arch": "amd64",
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"beta.kubernetes.io/os": "linux",
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"kubernetes.io/arch": "amd64",
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"kubernetes.io/hostname": "m01",
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"kubernetes.io/os": "linux",
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"minikube.k8s.io/commit": "eb13446e786c9ef70cb0a9f85a633194e62396a1",
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"minikube.k8s.io/name": "minikube",
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"minikube.k8s.io/updated_at": "2020_03_16T22_44_27_0700",
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"minikube.k8s.io/version": "v1.8.2",
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"node-role.kubernetes.io/master": ""
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},
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"annotations": {
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"kubeadm.alpha.kubernetes.io/cri-socket": "/var/run/dockershim.sock",
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"node.alpha.kubernetes.io/ttl": "0",
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"volumes.kubernetes.io/controller-managed-attach-detach": "true"
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}
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},
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"spec": {
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"podCIDR": "10.244.0.0/24",
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"podCIDRs": [
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"10.244.0.0/24"
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]
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},
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"status": {
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"capacity": {
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"cpu": "4",
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"ephemeral-storage": "474705032Ki",
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"hugepages-1Gi": "0",
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"hugepages-2Mi": "0",
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"memory": "16314884Ki",
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"pods": "110"
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},
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"allocatable": {
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"cpu": "4",
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"ephemeral-storage": "437488156767",
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"hugepages-1Gi": "0",
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"hugepages-2Mi": "0",
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"memory": "16212484Ki",
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"pods": "110"
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},
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"conditions": [
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{
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"type": "MemoryPressure",
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"status": "False",
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"lastHeartbeatTime": "2020-03-20T13:30:38Z",
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"lastTransitionTime": "2020-03-16T20:44:18Z",
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"reason": "KubeletHasSufficientMemory",
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"message": "kubelet has sufficient memory available"
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},
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{
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"type": "DiskPressure",
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"status": "False",
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"lastHeartbeatTime": "2020-03-20T13:30:38Z",
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"lastTransitionTime": "2020-03-16T20:44:18Z",
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"reason": "KubeletHasNoDiskPressure",
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"message": "kubelet has no disk pressure"
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},
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{
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"type": "PIDPressure",
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"status": "False",
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"lastHeartbeatTime": "2020-03-20T13:30:38Z",
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"lastTransitionTime": "2020-03-16T20:44:18Z",
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"reason": "KubeletHasSufficientPID",
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"message": "kubelet has sufficient PID available"
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},
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{
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"type": "Ready",
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"status": "True",
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"lastHeartbeatTime": "2020-03-20T13:30:38Z",
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"lastTransitionTime": "2020-03-16T20:44:39Z",
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"reason": "KubeletReady",
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"message": "kubelet is posting ready status"
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}
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],
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"addresses": [
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{
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"type": "InternalIP",
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"address": "172.17.0.2"
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},
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{
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"type": "Hostname",
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"address": "m01"
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}
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],
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"daemonEndpoints": {
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"kubeletEndpoint": {
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"Port": 10250
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}
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},
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"nodeInfo": {
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"machineID": "e64aad27e586485b9a9cbd699840c0ab",
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"systemUUID": "4d9f5caa-25de-46c6-8d54-d1c5141b78cc",
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"bootID": "947ffc57-db48-4a03-b7c6-18ce0b85238d",
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"kernelVersion": "4.15.0-91-generic",
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"osImage": "Ubuntu 19.10",
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"containerRuntimeVersion": "docker://19.3.2",
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"kubeletVersion": "v1.17.3",
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"kubeProxyVersion": "v1.17.3",
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"operatingSystem": "linux",
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"architecture": "amd64"
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},
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"images": [
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{
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"names": [
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"k8s.gcr.io/etcd@sha256:4afb99b4690b418ffc2ceb67e1a17376457e441c1f09ab55447f0aaf992fa646",
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"k8s.gcr.io/etcd:3.4.3-0"
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],
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"sizeBytes": 288426917
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},
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{
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"names": [
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"k8s.gcr.io/kube-apiserver@sha256:33400ea29255bd20714b6b8092b22ebb045ae134030d6bf476bddfed9d33e900",
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"k8s.gcr.io/kube-apiserver:v1.17.3"
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],
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"sizeBytes": 170986003
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},
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{
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"names": [
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"k8s.gcr.io/kube-controller-manager@sha256:2f0bf4d08e72a1fd6327c8eca3a72ad21af3a608283423bb3c10c98e68759844",
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"k8s.gcr.io/kube-controller-manager:v1.17.3"
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],
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"sizeBytes": 160918035
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},
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{
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"names": [
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"k8s.gcr.io/kube-proxy@sha256:3a70e2ab8d1d623680191a1a1f1dcb0bdbfd388784b1f153d5630a7397a63fd4",
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"k8s.gcr.io/kube-proxy:v1.17.3"
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],
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"sizeBytes": 115964919
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},
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{
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"names": [
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"k8s.gcr.io/kube-scheduler@sha256:b091f0db3bc61a3339fd3ba7ebb06c984c4ded32e1f2b1ef0fbdfab638e88462",
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"k8s.gcr.io/kube-scheduler:v1.17.3"
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],
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"sizeBytes": 94435859
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},
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{
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"names": [
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"kubernetesui/dashboard@sha256:fc90baec4fb62b809051a3227e71266c0427240685139bbd5673282715924ea7",
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"kubernetesui/dashboard:v2.0.0-beta8"
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],
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"sizeBytes": 90835427
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},
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{
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"names": [
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"gcr.io/k8s-minikube/storage-provisioner@sha256:088daa9fcbccf04c3f415d77d5a6360d2803922190b675cb7fc88a9d2d91985a",
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"gcr.io/k8s-minikube/storage-provisioner:v1.8.1"
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],
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"sizeBytes": 80815640
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},
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{
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"names": [
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"kindest/kindnetd@sha256:bc1833b3da442bb639008dd5a62861a0419d3f64b58fce6fb38b749105232555",
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"kindest/kindnetd:0.5.3"
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],
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"sizeBytes": 78486107
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},
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{
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"names": [
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"k8s.gcr.io/coredns@sha256:7ec975f167d815311a7136c32e70735f0d00b73781365df1befd46ed35bd4fe7",
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"k8s.gcr.io/coredns:1.6.5"
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],
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"sizeBytes": 41578211
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},
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{
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"names": [
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"kubernetesui/metrics-scraper@sha256:2026f9f7558d0f25cc6bab74ea201b4e9d5668fbc378ef64e13fddaea570efc0",
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"kubernetesui/metrics-scraper:v1.0.2"
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],
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"sizeBytes": 40101552
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},
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{
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"names": [
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"k8s.gcr.io/pause@sha256:f78411e19d84a252e53bff71a4407a5686c46983a2c2eeed83929b888179acea",
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"k8s.gcr.io/pause:3.1"
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],
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"sizeBytes": 742472
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}
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]
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}
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}
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]
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}
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`
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nls, err := parseNodeList([]byte(data))
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if err != nil {
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t.Fatalf("unexpected error: %s", err)
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}
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if len(nls.Items) != 1 {
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t.Fatalf("unexpected length of NodeList.Items; got %d; want %d", len(nls.Items), 1)
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}
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node := nls.Items[0]
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meta := node.Metadata
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if meta.Name != "m01" {
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t.Fatalf("unexpected ObjectMeta.Name; got %q; want %q", meta.Name, "m01")
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}
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2020-04-24 16:50:21 +02:00
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expectedLabels := discoveryutils.GetSortedLabels(map[string]string{
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2020-04-13 20:02:27 +02:00
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"beta.kubernetes.io/arch": "amd64",
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"beta.kubernetes.io/os": "linux",
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"kubernetes.io/arch": "amd64",
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"kubernetes.io/hostname": "m01",
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"kubernetes.io/os": "linux",
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"minikube.k8s.io/commit": "eb13446e786c9ef70cb0a9f85a633194e62396a1",
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"minikube.k8s.io/name": "minikube",
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"minikube.k8s.io/updated_at": "2020_03_16T22_44_27_0700",
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"minikube.k8s.io/version": "v1.8.2",
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"node-role.kubernetes.io/master": "",
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})
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if !reflect.DeepEqual(meta.Labels, expectedLabels) {
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t.Fatalf("unexpected ObjectMeta.Labels\ngot\n%v\nwant\n%v", meta.Labels, expectedLabels)
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}
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2020-04-24 16:50:21 +02:00
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expectedAnnotations := discoveryutils.GetSortedLabels(map[string]string{
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2020-04-13 20:02:27 +02:00
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"kubeadm.alpha.kubernetes.io/cri-socket": "/var/run/dockershim.sock",
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"node.alpha.kubernetes.io/ttl": "0",
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"volumes.kubernetes.io/controller-managed-attach-detach": "true",
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})
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if !reflect.DeepEqual(meta.Annotations, expectedAnnotations) {
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t.Fatalf("unexpected ObjectMeta.Annotations\ngot\n%v\nwant\n%v", meta.Annotations, expectedAnnotations)
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}
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status := node.Status
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expectedAddresses := []NodeAddress{
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{
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Type: "InternalIP",
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Address: "172.17.0.2",
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},
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{
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Type: "Hostname",
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Address: "m01",
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},
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}
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if !reflect.DeepEqual(status.Addresses, expectedAddresses) {
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t.Fatalf("unexpected addresses\ngot\n%v\nwant\n%v", status.Addresses, expectedAddresses)
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}
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// Check node.appendTargetLabels()
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2020-04-24 16:50:21 +02:00
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labels := discoveryutils.GetSortedLabels(node.appendTargetLabels(nil)[0])
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expectedLabels = discoveryutils.GetSortedLabels(map[string]string{
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2020-04-13 20:02:27 +02:00
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"instance": "m01",
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"__address__": "172.17.0.2:10250",
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"__meta_kubernetes_node_name": "m01",
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"__meta_kubernetes_node_label_beta_kubernetes_io_arch": "amd64",
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"__meta_kubernetes_node_label_beta_kubernetes_io_os": "linux",
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"__meta_kubernetes_node_label_kubernetes_io_arch": "amd64",
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"__meta_kubernetes_node_label_kubernetes_io_hostname": "m01",
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"__meta_kubernetes_node_label_kubernetes_io_os": "linux",
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"__meta_kubernetes_node_label_minikube_k8s_io_commit": "eb13446e786c9ef70cb0a9f85a633194e62396a1",
|
|
|
|
|
"__meta_kubernetes_node_label_minikube_k8s_io_name": "minikube",
|
|
|
|
|
"__meta_kubernetes_node_label_minikube_k8s_io_updated_at": "2020_03_16T22_44_27_0700",
|
|
|
|
|
"__meta_kubernetes_node_label_minikube_k8s_io_version": "v1.8.2",
|
|
|
|
|
"__meta_kubernetes_node_label_node_role_kubernetes_io_master": "",
|
|
|
|
|
|
|
|
|
|
"__meta_kubernetes_node_labelpresent_beta_kubernetes_io_arch": "true",
|
|
|
|
|
"__meta_kubernetes_node_labelpresent_beta_kubernetes_io_os": "true",
|
|
|
|
|
"__meta_kubernetes_node_labelpresent_kubernetes_io_arch": "true",
|
|
|
|
|
"__meta_kubernetes_node_labelpresent_kubernetes_io_hostname": "true",
|
|
|
|
|
"__meta_kubernetes_node_labelpresent_kubernetes_io_os": "true",
|
|
|
|
|
"__meta_kubernetes_node_labelpresent_minikube_k8s_io_commit": "true",
|
|
|
|
|
"__meta_kubernetes_node_labelpresent_minikube_k8s_io_name": "true",
|
|
|
|
|
"__meta_kubernetes_node_labelpresent_minikube_k8s_io_updated_at": "true",
|
|
|
|
|
"__meta_kubernetes_node_labelpresent_minikube_k8s_io_version": "true",
|
|
|
|
|
"__meta_kubernetes_node_labelpresent_node_role_kubernetes_io_master": "true",
|
|
|
|
|
|
|
|
|
|
"__meta_kubernetes_node_annotation_kubeadm_alpha_kubernetes_io_cri_socket": "/var/run/dockershim.sock",
|
|
|
|
|
"__meta_kubernetes_node_annotation_node_alpha_kubernetes_io_ttl": "0",
|
|
|
|
|
"__meta_kubernetes_node_annotation_volumes_kubernetes_io_controller_managed_attach_detach": "true",
|
|
|
|
|
|
|
|
|
|
"__meta_kubernetes_node_annotationpresent_kubeadm_alpha_kubernetes_io_cri_socket": "true",
|
|
|
|
|
"__meta_kubernetes_node_annotationpresent_node_alpha_kubernetes_io_ttl": "true",
|
|
|
|
|
"__meta_kubernetes_node_annotationpresent_volumes_kubernetes_io_controller_managed_attach_detach": "true",
|
|
|
|
|
|
|
|
|
|
"__meta_kubernetes_node_address_InternalIP": "172.17.0.2",
|
|
|
|
|
"__meta_kubernetes_node_address_Hostname": "m01",
|
|
|
|
|
})
|
|
|
|
|
if !reflect.DeepEqual(labels, expectedLabels) {
|
|
|
|
|
t.Fatalf("unexpected labels:\ngot\n%v\nwant\n%v", labels, expectedLabels)
|
|
|
|
|
}
|
|
|
|
|
}
|
