package kubernetes import ( "bytes" "testing" "github.com/VictoriaMetrics/VictoriaMetrics/lib/prompbmarshal" "github.com/VictoriaMetrics/VictoriaMetrics/lib/promscrape/discoveryutils" ) func TestParseEndpointSliceListFail(t *testing.T) { f := func(data string) { r := bytes.NewBufferString(data) objectsByKey, _, err := parseEndpointSliceList(r) if err == nil { t.Errorf("unexpected result, test must fail! data: %s", data) } if len(objectsByKey) != 0 { t.Errorf("EndpointSliceList must be emptry, got: %v", objectsByKey) } } f(``) f(`{"items": [1,2,3]`) f(`{"items": [ { "metadata": { "name": "kubernetes"}]}`) } func TestParseEndpointSliceListSuccess(t *testing.T) { data := `{ "kind": "EndpointSliceList", "apiVersion": "discovery.k8s.io/v1", "metadata": { "selfLink": "/apis/discovery.k8s.io/v1/endpointslices", "resourceVersion": "1177" }, "items": [ { "metadata": { "name": "kubernetes", "namespace": "default", "selfLink": "/apis/discovery.k8s.io/v1/namespaces/default/endpointslices/kubernetes", "uid": "a60d9173-5fe4-4bc3-87a6-269daee71f8a", "resourceVersion": "159", "generation": 1, "creationTimestamp": "2020-09-07T14:27:22Z", "labels": { "kubernetes.io/service-name": "kubernetes" }, "managedFields": [ { "manager": "kube-apiserver", "operation": "Update", "apiVersion": "discovery.k8s.io/v1", "time": "2020-09-07T14:27:22Z", "fieldsType": "FieldsV1", "fieldsV1": {"f:addressType":{},"f:endpoints":{},"f:metadata":{"f:labels":{".":{},"f:kubernetes.io/service-name":{}}},"f:ports":{}} } ] }, "addressType": "IPv4", "endpoints": [ { "addresses": [ "172.18.0.2" ], "conditions": { "ready": true } } ], "ports": [ { "name": "https", "protocol": "TCP", "port": 6443 } ] }, { "metadata": { "name": "kube-dns-22mvb", "generateName": "kube-dns-", "namespace": "kube-system", "selfLink": "/apis/discovery.k8s.io/v1/namespaces/kube-system/endpointslices/kube-dns-22mvb", "uid": "7c95c854-f34c-48e1-86f5-bb8269113c11", "resourceVersion": "604", "generation": 5, "creationTimestamp": "2020-09-07T14:27:39Z", "labels": { "endpointslice.kubernetes.io/managed-by": "endpointslice-controller.k8s.io", "kubernetes.io/service-name": "kube-dns" }, "annotations": { "endpoints.kubernetes.io/last-change-trigger-time": "2020-09-07T14:28:35Z" }, "ownerReferences": [ { "apiVersion": "v1", "kind": "Service", "name": "kube-dns", "uid": "509e80d8-6d05-487b-bfff-74f5768f1024", "controller": true, "blockOwnerDeletion": true } ], "managedFields": [ { "manager": "kube-controller-manager", "operation": "Update", "apiVersion": "discovery.k8s.io/v1", "time": "2020-09-07T14:28:35Z", "fieldsType": "FieldsV1", "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":{}} } ] }, "addressType": "IPv4", "endpoints": [ { "addresses": [ "10.244.0.3" ], "conditions": { "ready": true }, "targetRef": { "kind": "Pod", "namespace": "kube-system", "name": "coredns-66bff467f8-z8czk", "uid": "36a545ff-dbba-4192-a5f6-1dbb0c21c73d", "resourceVersion": "603" }, "topology": { "kubernetes.io/hostname": "kind-control-plane" } }, { "addresses": [ "10.244.0.4" ], "conditions": { "ready": true }, "targetRef": { "kind": "Pod", "namespace": "kube-system", "name": "coredns-66bff467f8-kpbhk", "uid": "db38d8b4-847a-4e82-874c-fe444fba2718", "resourceVersion": "576" }, "topology": { "kubernetes.io/hostname": "kind-control-plane" } } ], "ports": [ { "name": "dns-tcp", "protocol": "TCP", "port": 53 }, { "name": "metrics", "protocol": "TCP", "port": 9153 }, { "name": "dns", "protocol": "UDP", "port": 53 } ] } ] }` r := bytes.NewBufferString(data) objectsByKey, meta, err := parseEndpointSliceList(r) if err != nil { t.Errorf("cannot parse data for EndpointSliceList: %v", err) return } expectedResourceVersion := "1177" if meta.ResourceVersion != expectedResourceVersion { t.Fatalf("unexpected resource version; got %s; want %s", meta.ResourceVersion, expectedResourceVersion) } sortedLabelss := getSortedLabelss(objectsByKey) expectedLabelss := [][]prompbmarshal.Label{ discoveryutils.GetSortedLabels(map[string]string{ "__address__": "172.18.0.2:6443", "__meta_kubernetes_endpointslice_address_type": "IPv4", "__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true", "__meta_kubernetes_endpointslice_name": "kubernetes", "__meta_kubernetes_endpointslice_port": "6443", "__meta_kubernetes_endpointslice_port_name": "https", "__meta_kubernetes_endpointslice_port_protocol": "TCP", "__meta_kubernetes_namespace": "default", }), discoveryutils.GetSortedLabels(map[string]string{ "__address__": "10.244.0.3:53", "__meta_kubernetes_endpointslice_address_target_kind": "Pod", "__meta_kubernetes_endpointslice_address_target_name": "coredns-66bff467f8-z8czk", "__meta_kubernetes_endpointslice_address_type": "IPv4", "__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true", "__meta_kubernetes_endpointslice_endpoint_topology_kubernetes_io_hostname": "kind-control-plane", "__meta_kubernetes_endpointslice_endpoint_topology_present_kubernetes_io_hostname": "true", "__meta_kubernetes_endpointslice_name": "kube-dns-22mvb", "__meta_kubernetes_endpointslice_port": "53", "__meta_kubernetes_endpointslice_port_name": "dns-tcp", "__meta_kubernetes_endpointslice_port_protocol": "TCP", "__meta_kubernetes_namespace": "kube-system", }), discoveryutils.GetSortedLabels(map[string]string{ "__address__": "10.244.0.3:9153", "__meta_kubernetes_endpointslice_address_target_kind": "Pod", "__meta_kubernetes_endpointslice_address_target_name": "coredns-66bff467f8-z8czk", "__meta_kubernetes_endpointslice_address_type": "IPv4", "__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true", "__meta_kubernetes_endpointslice_endpoint_topology_kubernetes_io_hostname": "kind-control-plane", "__meta_kubernetes_endpointslice_endpoint_topology_present_kubernetes_io_hostname": "true", "__meta_kubernetes_endpointslice_name": "kube-dns-22mvb", "__meta_kubernetes_endpointslice_port": "9153", "__meta_kubernetes_endpointslice_port_name": "metrics", "__meta_kubernetes_endpointslice_port_protocol": "TCP", "__meta_kubernetes_namespace": "kube-system", }), discoveryutils.GetSortedLabels(map[string]string{ "__address__": "10.244.0.3:53", "__meta_kubernetes_endpointslice_address_target_kind": "Pod", "__meta_kubernetes_endpointslice_address_target_name": "coredns-66bff467f8-z8czk", "__meta_kubernetes_endpointslice_address_type": "IPv4", "__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true", "__meta_kubernetes_endpointslice_endpoint_topology_kubernetes_io_hostname": "kind-control-plane", "__meta_kubernetes_endpointslice_endpoint_topology_present_kubernetes_io_hostname": "true", "__meta_kubernetes_endpointslice_name": "kube-dns-22mvb", "__meta_kubernetes_endpointslice_port": "53", "__meta_kubernetes_endpointslice_port_name": "dns", "__meta_kubernetes_endpointslice_port_protocol": "UDP", "__meta_kubernetes_namespace": "kube-system", }), discoveryutils.GetSortedLabels(map[string]string{ "__address__": "10.244.0.4:53", "__meta_kubernetes_endpointslice_address_target_kind": "Pod", "__meta_kubernetes_endpointslice_address_target_name": "coredns-66bff467f8-kpbhk", "__meta_kubernetes_endpointslice_address_type": "IPv4", "__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true", "__meta_kubernetes_endpointslice_endpoint_topology_kubernetes_io_hostname": "kind-control-plane", "__meta_kubernetes_endpointslice_endpoint_topology_present_kubernetes_io_hostname": "true", "__meta_kubernetes_endpointslice_name": "kube-dns-22mvb", "__meta_kubernetes_endpointslice_port": "53", "__meta_kubernetes_endpointslice_port_name": "dns-tcp", "__meta_kubernetes_endpointslice_port_protocol": "TCP", "__meta_kubernetes_namespace": "kube-system", }), discoveryutils.GetSortedLabels(map[string]string{ "__address__": "10.244.0.4:9153", "__meta_kubernetes_endpointslice_address_target_kind": "Pod", "__meta_kubernetes_endpointslice_address_target_name": "coredns-66bff467f8-kpbhk", "__meta_kubernetes_endpointslice_address_type": "IPv4", "__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true", "__meta_kubernetes_endpointslice_endpoint_topology_kubernetes_io_hostname": "kind-control-plane", "__meta_kubernetes_endpointslice_endpoint_topology_present_kubernetes_io_hostname": "true", "__meta_kubernetes_endpointslice_name": "kube-dns-22mvb", "__meta_kubernetes_endpointslice_port": "9153", "__meta_kubernetes_endpointslice_port_name": "metrics", "__meta_kubernetes_endpointslice_port_protocol": "TCP", "__meta_kubernetes_namespace": "kube-system", }), discoveryutils.GetSortedLabels(map[string]string{ "__address__": "10.244.0.4:53", "__meta_kubernetes_endpointslice_address_target_kind": "Pod", "__meta_kubernetes_endpointslice_address_target_name": "coredns-66bff467f8-kpbhk", "__meta_kubernetes_endpointslice_address_type": "IPv4", "__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true", "__meta_kubernetes_endpointslice_endpoint_topology_kubernetes_io_hostname": "kind-control-plane", "__meta_kubernetes_endpointslice_endpoint_topology_present_kubernetes_io_hostname": "true", "__meta_kubernetes_endpointslice_name": "kube-dns-22mvb", "__meta_kubernetes_endpointslice_port": "53", "__meta_kubernetes_endpointslice_port_name": "dns", "__meta_kubernetes_endpointslice_port_protocol": "UDP", "__meta_kubernetes_namespace": "kube-system", }), } if !areEqualLabelss(sortedLabelss, expectedLabelss) { t.Fatalf("unexpected labels,\ngot:\n%v,\nwant:\n%v", sortedLabelss, expectedLabelss) } }