mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-21 14:44:00 +00:00
510 lines
23 KiB
Go
510 lines
23 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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func TestGetEndpointsliceLabels(t *testing.T) {
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type testArgs struct {
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containerPorts map[string][]ContainerPort
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endpointPorts []EndpointPort
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}
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f := func(t *testing.T, args testArgs, wantLabels [][]prompbmarshal.Label) {
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t.Helper()
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eps := EndpointSlice{
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Metadata: ObjectMeta{
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Name: "test-eps",
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Namespace: "default",
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Labels: discoveryutils.GetSortedLabels(map[string]string{
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"kubernetes.io/service-name": "test-svc",
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}),
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},
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Endpoints: []Endpoint{
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{
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Addresses: []string{
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"10.13.15.15",
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},
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Conditions: EndpointConditions{
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Ready: true,
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},
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Hostname: "foo.bar",
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TargetRef: ObjectReference{
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Kind: "Pod",
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Namespace: "default",
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Name: "test-pod",
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},
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Topology: map[string]string{
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"x": "y",
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},
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},
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},
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AddressType: "foobar",
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Ports: args.endpointPorts,
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}
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svc := Service{
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Metadata: ObjectMeta{
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Name: "test-svc",
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Namespace: "default",
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},
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Spec: ServiceSpec{
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ClusterIP: "1.2.3.4",
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Type: "service-type",
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Ports: []ServicePort{
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{
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Name: "test-port",
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Port: 8081,
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},
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},
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},
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}
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pod := Pod{
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Metadata: ObjectMeta{
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UID: "pod-uid",
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Name: "test-pod",
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Namespace: "default",
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},
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Spec: PodSpec{
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NodeName: "test-node",
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},
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Status: PodStatus{
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Phase: "abc",
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PodIP: "192.168.15.1",
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HostIP: "4.5.6.7",
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},
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}
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node := Node{
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Metadata: ObjectMeta{
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Labels: []prompbmarshal.Label{
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{
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Name: "node-label",
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Value: "xyz",
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},
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},
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},
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}
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for cn, ports := range args.containerPorts {
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pod.Spec.Containers = append(pod.Spec.Containers, Container{
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Name: cn,
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Image: "test-image",
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Ports: ports,
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})
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}
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var gw groupWatcher
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gw.m = map[string]*urlWatcher{
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"pod": {
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role: "pod",
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objectsByKey: map[string]object{
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"default/test-pod": &pod,
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},
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},
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"service": {
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role: "service",
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objectsByKey: map[string]object{
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"default/test-svc": &svc,
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},
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},
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"node": {
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role: "node",
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objectsByKey: map[string]object{
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"/test-node": &node,
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},
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},
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}
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gw.attachNodeMetadata = true
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var sortedLabelss [][]prompbmarshal.Label
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gotLabels := eps.getTargetLabels(&gw)
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for _, lbs := range gotLabels {
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sortedLabelss = append(sortedLabelss, discoveryutils.GetSortedLabels(lbs))
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}
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if !areEqualLabelss(sortedLabelss, wantLabels) {
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t.Fatalf("unexpected labels:\ngot\n%v\nwant\n%v", sortedLabelss, wantLabels)
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}
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}
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t.Run("1 port from endpoint", func(t *testing.T) {
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f(t, testArgs{
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endpointPorts: []EndpointPort{
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{
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Name: "web",
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Port: 8081,
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Protocol: "foobar",
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},
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},
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}, [][]prompbmarshal.Label{
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discoveryutils.GetSortedLabels(map[string]string{
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"__address__": "10.13.15.15:8081",
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"__meta_kubernetes_endpointslice_address_target_kind": "Pod",
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"__meta_kubernetes_endpointslice_address_target_name": "test-pod",
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"__meta_kubernetes_endpointslice_address_type": "foobar",
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"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
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"__meta_kubernetes_endpointslice_endpoint_hostname": "foo.bar",
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"__meta_kubernetes_endpointslice_endpoint_topology_present_x": "true",
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"__meta_kubernetes_endpointslice_endpoint_topology_x": "y",
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"__meta_kubernetes_endpointslice_label_kubernetes_io_service_name": "test-svc",
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"__meta_kubernetes_endpointslice_labelpresent_kubernetes_io_service_name": "true",
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"__meta_kubernetes_endpointslice_name": "test-eps",
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"__meta_kubernetes_endpointslice_port": "8081",
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"__meta_kubernetes_endpointslice_port_name": "web",
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"__meta_kubernetes_endpointslice_port_protocol": "foobar",
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_node_label_node_label": "xyz",
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"__meta_kubernetes_node_labelpresent_node_label": "true",
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"__meta_kubernetes_node_name": "test-node",
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"__meta_kubernetes_pod_host_ip": "4.5.6.7",
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"__meta_kubernetes_pod_ip": "192.168.15.1",
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"__meta_kubernetes_pod_name": "test-pod",
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"__meta_kubernetes_pod_node_name": "test-node",
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"__meta_kubernetes_pod_phase": "abc",
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"__meta_kubernetes_pod_ready": "unknown",
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"__meta_kubernetes_pod_uid": "pod-uid",
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"__meta_kubernetes_service_cluster_ip": "1.2.3.4",
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"__meta_kubernetes_service_name": "test-svc",
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"__meta_kubernetes_service_type": "service-type",
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}),
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})
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})
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t.Run("1 port from endpoint and 1 from pod", func(t *testing.T) {
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f(t, testArgs{
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containerPorts: map[string][]ContainerPort{"metrics": {{
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Name: "http-metrics",
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ContainerPort: 8428,
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Protocol: "foobar",
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}}},
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endpointPorts: []EndpointPort{
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{
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Name: "web",
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Port: 8081,
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Protocol: "https",
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},
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},
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}, [][]prompbmarshal.Label{
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discoveryutils.GetSortedLabels(map[string]string{
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"__address__": "10.13.15.15:8081",
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"__meta_kubernetes_endpointslice_address_target_kind": "Pod",
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"__meta_kubernetes_endpointslice_address_target_name": "test-pod",
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"__meta_kubernetes_endpointslice_address_type": "foobar",
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"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
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"__meta_kubernetes_endpointslice_endpoint_hostname": "foo.bar",
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"__meta_kubernetes_endpointslice_endpoint_topology_present_x": "true",
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"__meta_kubernetes_endpointslice_endpoint_topology_x": "y",
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"__meta_kubernetes_endpointslice_label_kubernetes_io_service_name": "test-svc",
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"__meta_kubernetes_endpointslice_labelpresent_kubernetes_io_service_name": "true",
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"__meta_kubernetes_endpointslice_name": "test-eps",
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"__meta_kubernetes_endpointslice_port": "8081",
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"__meta_kubernetes_endpointslice_port_name": "web",
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"__meta_kubernetes_endpointslice_port_protocol": "https",
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_node_label_node_label": "xyz",
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"__meta_kubernetes_node_labelpresent_node_label": "true",
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"__meta_kubernetes_node_name": "test-node",
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"__meta_kubernetes_pod_host_ip": "4.5.6.7",
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"__meta_kubernetes_pod_ip": "192.168.15.1",
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"__meta_kubernetes_pod_name": "test-pod",
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"__meta_kubernetes_pod_node_name": "test-node",
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"__meta_kubernetes_pod_phase": "abc",
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"__meta_kubernetes_pod_ready": "unknown",
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"__meta_kubernetes_pod_uid": "pod-uid",
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"__meta_kubernetes_service_cluster_ip": "1.2.3.4",
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"__meta_kubernetes_service_name": "test-svc",
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"__meta_kubernetes_service_type": "service-type",
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}),
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discoveryutils.GetSortedLabels(map[string]string{
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"__address__": "192.168.15.1:8428",
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_node_label_node_label": "xyz",
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"__meta_kubernetes_node_labelpresent_node_label": "true",
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"__meta_kubernetes_node_name": "test-node",
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"__meta_kubernetes_pod_container_image": "test-image",
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"__meta_kubernetes_pod_container_name": "metrics",
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"__meta_kubernetes_pod_container_port_name": "http-metrics",
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"__meta_kubernetes_pod_container_port_number": "8428",
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"__meta_kubernetes_pod_container_port_protocol": "foobar",
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"__meta_kubernetes_pod_host_ip": "4.5.6.7",
|
|
"__meta_kubernetes_pod_ip": "192.168.15.1",
|
|
"__meta_kubernetes_pod_name": "test-pod",
|
|
"__meta_kubernetes_pod_node_name": "test-node",
|
|
"__meta_kubernetes_pod_phase": "abc",
|
|
"__meta_kubernetes_pod_ready": "unknown",
|
|
"__meta_kubernetes_pod_uid": "pod-uid",
|
|
"__meta_kubernetes_service_cluster_ip": "1.2.3.4",
|
|
"__meta_kubernetes_service_name": "test-svc",
|
|
"__meta_kubernetes_service_type": "service-type",
|
|
}),
|
|
})
|
|
})
|
|
|
|
t.Run("1 port from endpoint", func(t *testing.T) {
|
|
f(t, testArgs{
|
|
containerPorts: map[string][]ContainerPort{"metrics": {{
|
|
Name: "web",
|
|
ContainerPort: 8428,
|
|
Protocol: "sdc",
|
|
}}},
|
|
endpointPorts: []EndpointPort{
|
|
{
|
|
Name: "web",
|
|
Port: 8428,
|
|
Protocol: "xabc",
|
|
},
|
|
},
|
|
}, [][]prompbmarshal.Label{
|
|
discoveryutils.GetSortedLabels(map[string]string{
|
|
"__address__": "10.13.15.15:8428",
|
|
"__meta_kubernetes_endpointslice_address_target_kind": "Pod",
|
|
"__meta_kubernetes_endpointslice_address_target_name": "test-pod",
|
|
"__meta_kubernetes_endpointslice_address_type": "foobar",
|
|
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
|
|
"__meta_kubernetes_endpointslice_endpoint_hostname": "foo.bar",
|
|
"__meta_kubernetes_endpointslice_endpoint_topology_present_x": "true",
|
|
"__meta_kubernetes_endpointslice_endpoint_topology_x": "y",
|
|
"__meta_kubernetes_endpointslice_label_kubernetes_io_service_name": "test-svc",
|
|
"__meta_kubernetes_endpointslice_labelpresent_kubernetes_io_service_name": "true",
|
|
"__meta_kubernetes_endpointslice_name": "test-eps",
|
|
"__meta_kubernetes_endpointslice_port": "8428",
|
|
"__meta_kubernetes_endpointslice_port_name": "web",
|
|
"__meta_kubernetes_endpointslice_port_protocol": "xabc",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_node_label_node_label": "xyz",
|
|
"__meta_kubernetes_node_labelpresent_node_label": "true",
|
|
"__meta_kubernetes_node_name": "test-node",
|
|
"__meta_kubernetes_pod_container_image": "test-image",
|
|
"__meta_kubernetes_pod_container_name": "metrics",
|
|
"__meta_kubernetes_pod_container_port_name": "web",
|
|
"__meta_kubernetes_pod_container_port_number": "8428",
|
|
"__meta_kubernetes_pod_container_port_protocol": "sdc",
|
|
"__meta_kubernetes_pod_host_ip": "4.5.6.7",
|
|
"__meta_kubernetes_pod_ip": "192.168.15.1",
|
|
"__meta_kubernetes_pod_name": "test-pod",
|
|
"__meta_kubernetes_pod_node_name": "test-node",
|
|
"__meta_kubernetes_pod_phase": "abc",
|
|
"__meta_kubernetes_pod_ready": "unknown",
|
|
"__meta_kubernetes_pod_uid": "pod-uid",
|
|
"__meta_kubernetes_service_cluster_ip": "1.2.3.4",
|
|
"__meta_kubernetes_service_name": "test-svc",
|
|
"__meta_kubernetes_service_type": "service-type",
|
|
}),
|
|
})
|
|
})
|
|
}
|