mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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227 lines
10 KiB
Go
227 lines
10 KiB
Go
package kubernetes
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import (
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"bytes"
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"testing"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discoveryutils"
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)
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func TestParseEndpointSliceListFail(t *testing.T) {
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f := func(data string) {
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r := bytes.NewBufferString(data)
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objectsByKey, _, err := parseEndpointSliceList(r)
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if err == nil {
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t.Errorf("unexpected result, test must fail! data: %s", data)
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}
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if len(objectsByKey) != 0 {
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t.Errorf("EndpointSliceList must be emptry, got: %v", objectsByKey)
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}
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}
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f(``)
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f(`{"items": [1,2,3]`)
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f(`{"items": [
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{
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"metadata": {
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"name": "kubernetes"}]}`)
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}
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func TestParseEndpointSliceListSuccess(t *testing.T) {
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data := `{
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"kind": "EndpointSliceList",
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"apiVersion": "discovery.k8s.io/v1",
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"metadata": {
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"selfLink": "/apis/discovery.k8s.io/v1/endpointslices",
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"resourceVersion": "1177"
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},
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"items": [
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{
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"metadata": {
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"name": "kubernetes",
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"namespace": "default",
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"selfLink": "/apis/discovery.k8s.io/v1/namespaces/default/endpointslices/kubernetes",
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"uid": "a60d9173-5fe4-4bc3-87a6-269daee71f8a",
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"resourceVersion": "159",
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"generation": 1,
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"creationTimestamp": "2020-09-07T14:27:22Z",
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"labels": {
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"kubernetes.io/service-name": "kubernetes"
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},
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"managedFields": [
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{
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"manager": "kube-apiserver",
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"operation": "Update",
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"apiVersion": "discovery.k8s.io/v1",
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"time": "2020-09-07T14:27:22Z",
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"fieldsType": "FieldsV1",
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"fieldsV1": {"f:addressType":{},"f:endpoints":{},"f:metadata":{"f:labels":{".":{},"f:kubernetes.io/service-name":{}}},"f:ports":{}}
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}
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]
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},
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"addressType": "IPv4",
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"endpoints": [
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{
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"addresses": [
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"172.18.0.2"
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],
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"conditions": {
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"ready": true
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}
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}
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],
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"ports": [
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{
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"name": "https",
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"protocol": "TCP",
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"port": 6443
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}
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]
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},
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{
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"metadata": {
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"name": "kube-dns-22mvb",
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"generateName": "kube-dns-",
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"namespace": "kube-system",
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"selfLink": "/apis/discovery.k8s.io/v1/namespaces/kube-system/endpointslices/kube-dns-22mvb",
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"uid": "7c95c854-f34c-48e1-86f5-bb8269113c11",
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"resourceVersion": "604",
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"generation": 5,
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"creationTimestamp": "2020-09-07T14:27:39Z",
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"labels": {
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"endpointslice.kubernetes.io/managed-by": "endpointslice-controller.k8s.io",
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"kubernetes.io/service-name": "kube-dns"
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},
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"annotations": {
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"endpoints.kubernetes.io/last-change-trigger-time": "2020-09-07T14:28:35Z"
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},
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"ownerReferences": [
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{
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"apiVersion": "v1",
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"kind": "Service",
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"name": "kube-dns",
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"uid": "509e80d8-6d05-487b-bfff-74f5768f1024",
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"controller": true,
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"blockOwnerDeletion": true
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}
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],
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"managedFields": [
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{
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"manager": "kube-controller-manager",
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"operation": "Update",
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"apiVersion": "discovery.k8s.io/v1",
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"time": "2020-09-07T14:28:35Z",
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"fieldsType": "FieldsV1",
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"fieldsV1": {"f:addressType":{},"f:endpoints":{},"f:metadata":{"f:annotations":{".":{},"f:endpoints.kubernetes.io/last-change-trigger-time":{}},"f:generateName":{},"f:labels":{".":{},"f:endpointslice.kubernetes.io/managed-by":{},"f:kubernetes.io/service-name":{}},"f:ownerReferences":{".":{},"k:{\"uid\":\"509e80d8-6d05-487b-bfff-74f5768f1024\"}":{".":{},"f:apiVersion":{},"f:blockOwnerDeletion":{},"f:controller":{},"f:kind":{},"f:name":{},"f:uid":{}}}},"f:ports":{}}
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}
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]
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},
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"addressType": "IPv4",
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"endpoints": [
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{
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"addresses": [
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"10.244.0.3"
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],
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"conditions": {
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"ready": true
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},
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"targetRef": {
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"kind": "Pod",
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"namespace": "kube-system",
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"name": "coredns-66bff467f8-z8czk",
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"uid": "36a545ff-dbba-4192-a5f6-1dbb0c21c73d",
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"resourceVersion": "603"
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},
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"topology": {
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"kubernetes.io/hostname": "kind-control-plane"
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}
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}
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],
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"ports": [
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{
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"name": "metrics",
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"protocol": "TCP",
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"port": 9153
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},
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{
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"name": "dns",
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"protocol": "UDP",
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"port": 53
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}
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]
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}
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]
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}`
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r := bytes.NewBufferString(data)
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objectsByKey, meta, err := parseEndpointSliceList(r)
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if err != nil {
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t.Errorf("cannot parse data for EndpointSliceList: %v", err)
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return
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}
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expectedResourceVersion := "1177"
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if meta.ResourceVersion != expectedResourceVersion {
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t.Fatalf("unexpected resource version; got %s; want %s", meta.ResourceVersion, expectedResourceVersion)
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}
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sortedLabelss := getSortedLabelss(objectsByKey)
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expectedLabelss := [][]prompbmarshal.Label{
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discoveryutils.GetSortedLabels(map[string]string{
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"__address__": "10.244.0.3:53",
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"__meta_kubernetes_endpointslice_address_target_kind": "Pod",
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"__meta_kubernetes_endpointslice_address_target_name": "coredns-66bff467f8-z8czk",
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"__meta_kubernetes_endpointslice_address_type": "IPv4",
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"__meta_kubernetes_endpointslice_annotation_endpoints_kubernetes_io_last_change_trigger_time": "2020-09-07T14:28:35Z",
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"__meta_kubernetes_endpointslice_annotationpresent_endpoints_kubernetes_io_last_change_trigger_time": "true",
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"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
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"__meta_kubernetes_endpointslice_endpoint_topology_kubernetes_io_hostname": "kind-control-plane",
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"__meta_kubernetes_endpointslice_endpoint_topology_present_kubernetes_io_hostname": "true",
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"__meta_kubernetes_endpointslice_label_endpointslice_kubernetes_io_managed_by": "endpointslice-controller.k8s.io",
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"__meta_kubernetes_endpointslice_label_kubernetes_io_service_name": "kube-dns",
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"__meta_kubernetes_endpointslice_labelpresent_endpointslice_kubernetes_io_managed_by": "true",
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"__meta_kubernetes_endpointslice_labelpresent_kubernetes_io_service_name": "true",
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"__meta_kubernetes_endpointslice_name": "kube-dns-22mvb",
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"__meta_kubernetes_endpointslice_port": "53",
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"__meta_kubernetes_endpointslice_port_name": "dns",
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"__meta_kubernetes_endpointslice_port_protocol": "UDP",
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"__meta_kubernetes_namespace": "kube-system",
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}),
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discoveryutils.GetSortedLabels(map[string]string{
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"__address__": "10.244.0.3:9153",
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"__meta_kubernetes_endpointslice_address_target_kind": "Pod",
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"__meta_kubernetes_endpointslice_address_target_name": "coredns-66bff467f8-z8czk",
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"__meta_kubernetes_endpointslice_address_type": "IPv4",
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"__meta_kubernetes_endpointslice_annotation_endpoints_kubernetes_io_last_change_trigger_time": "2020-09-07T14:28:35Z",
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"__meta_kubernetes_endpointslice_annotationpresent_endpoints_kubernetes_io_last_change_trigger_time": "true",
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"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
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"__meta_kubernetes_endpointslice_endpoint_topology_kubernetes_io_hostname": "kind-control-plane",
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"__meta_kubernetes_endpointslice_endpoint_topology_present_kubernetes_io_hostname": "true",
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"__meta_kubernetes_endpointslice_label_endpointslice_kubernetes_io_managed_by": "endpointslice-controller.k8s.io",
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"__meta_kubernetes_endpointslice_label_kubernetes_io_service_name": "kube-dns",
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"__meta_kubernetes_endpointslice_labelpresent_endpointslice_kubernetes_io_managed_by": "true",
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"__meta_kubernetes_endpointslice_labelpresent_kubernetes_io_service_name": "true",
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"__meta_kubernetes_endpointslice_name": "kube-dns-22mvb",
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"__meta_kubernetes_endpointslice_port": "9153",
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"__meta_kubernetes_endpointslice_port_name": "metrics",
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"__meta_kubernetes_endpointslice_port_protocol": "TCP",
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"__meta_kubernetes_namespace": "kube-system",
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}),
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discoveryutils.GetSortedLabels(map[string]string{
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"__address__": "172.18.0.2:6443",
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"__meta_kubernetes_endpointslice_address_type": "IPv4",
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"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
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"__meta_kubernetes_endpointslice_label_kubernetes_io_service_name": "kubernetes",
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"__meta_kubernetes_endpointslice_labelpresent_kubernetes_io_service_name": "true",
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"__meta_kubernetes_endpointslice_name": "kubernetes",
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"__meta_kubernetes_endpointslice_port": "6443",
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"__meta_kubernetes_endpointslice_port_name": "https",
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"__meta_kubernetes_endpointslice_port_protocol": "TCP",
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"__meta_kubernetes_namespace": "default",
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}),
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}
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if !areEqualLabelss(sortedLabelss, expectedLabelss) {
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t.Fatalf("unexpected labels,\ngot:\n%v,\nwant:\n%v", sortedLabelss, expectedLabelss)
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}
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}
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