mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-14 01:24:04 -08:00
618 lines
19 KiB
Go
618 lines
19 KiB
Go
// Copyright 2016 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package kubernetes
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import (
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"context"
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"testing"
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"github.com/prometheus/common/model"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/types"
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"github.com/prometheus/prometheus/discovery/targetgroup"
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)
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func makeEndpoints() *v1.Endpoints {
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nodeName := "foobar"
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return &v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: "testendpoints",
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Namespace: "default",
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},
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Subsets: []v1.EndpointSubset{
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{
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Addresses: []v1.EndpointAddress{
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{
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IP: "1.2.3.4",
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Hostname: "testendpoint1",
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NodeName: &nodeName,
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},
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},
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Ports: []v1.EndpointPort{
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{
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Name: "testport",
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Port: 9000,
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Protocol: v1.ProtocolTCP,
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},
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},
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},
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{
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Addresses: []v1.EndpointAddress{
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{
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IP: "2.3.4.5",
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},
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},
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NotReadyAddresses: []v1.EndpointAddress{
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{
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IP: "2.3.4.5",
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},
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},
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Ports: []v1.EndpointPort{
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{
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Name: "testport",
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Port: 9001,
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Protocol: v1.ProtocolTCP,
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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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func TestEndpointsDiscoveryBeforeRun(t *testing.T) {
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n, c := makeDiscovery(RoleEndpoint, NamespaceDiscovery{})
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k8sDiscoveryTest{
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discovery: n,
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beforeRun: func() {
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obj := makeEndpoints()
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c.CoreV1().Endpoints(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
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},
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expectedMaxItems: 1,
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expectedRes: map[string]*targetgroup.Group{
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"endpoints/default/testendpoints": {
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Targets: []model.LabelSet{
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{
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"__address__": "1.2.3.4:9000",
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"__meta_kubernetes_endpoint_hostname": "testendpoint1",
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"__meta_kubernetes_endpoint_node_name": "foobar",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "true",
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},
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{
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"__address__": "2.3.4.5:9001",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "true",
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},
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{
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"__address__": "2.3.4.5:9001",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "false",
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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_endpoints_name": "testendpoints",
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},
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Source: "endpoints/default/testendpoints",
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},
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},
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}.Run(t)
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}
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func TestEndpointsDiscoveryAdd(t *testing.T) {
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obj := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "testpod",
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Namespace: "default",
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UID: types.UID("deadbeef"),
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},
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Spec: v1.PodSpec{
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NodeName: "testnode",
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Containers: []v1.Container{
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{
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Name: "c1",
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Ports: []v1.ContainerPort{
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{
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Name: "mainport",
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ContainerPort: 9000,
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Protocol: v1.ProtocolTCP,
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},
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},
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},
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{
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Name: "c2",
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Ports: []v1.ContainerPort{
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{
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Name: "sideport",
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ContainerPort: 9001,
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Protocol: v1.ProtocolTCP,
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},
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},
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},
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},
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},
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Status: v1.PodStatus{
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HostIP: "2.3.4.5",
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PodIP: "1.2.3.4",
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},
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}
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n, c := makeDiscovery(RoleEndpoint, NamespaceDiscovery{}, obj)
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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() {
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obj := &v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: "testendpoints",
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Namespace: "default",
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},
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Subsets: []v1.EndpointSubset{
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{
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Addresses: []v1.EndpointAddress{
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{
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IP: "4.3.2.1",
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TargetRef: &v1.ObjectReference{
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Kind: "Pod",
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Name: "testpod",
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Namespace: "default",
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},
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},
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},
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Ports: []v1.EndpointPort{
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{
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Name: "testport",
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Port: 9000,
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Protocol: v1.ProtocolTCP,
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},
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},
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},
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},
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}
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c.CoreV1().Endpoints(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
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},
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expectedMaxItems: 1,
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expectedRes: map[string]*targetgroup.Group{
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"endpoints/default/testendpoints": {
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Targets: []model.LabelSet{
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{
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"__address__": "4.3.2.1:9000",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "true",
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"__meta_kubernetes_endpoint_address_target_kind": "Pod",
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"__meta_kubernetes_endpoint_address_target_name": "testpod",
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"__meta_kubernetes_pod_name": "testpod",
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"__meta_kubernetes_pod_ip": "1.2.3.4",
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"__meta_kubernetes_pod_ready": "unknown",
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"__meta_kubernetes_pod_phase": "",
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"__meta_kubernetes_pod_node_name": "testnode",
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"__meta_kubernetes_pod_host_ip": "2.3.4.5",
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"__meta_kubernetes_pod_container_name": "c1",
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"__meta_kubernetes_pod_container_port_name": "mainport",
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"__meta_kubernetes_pod_container_port_number": "9000",
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"__meta_kubernetes_pod_container_port_protocol": "TCP",
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"__meta_kubernetes_pod_uid": "deadbeef",
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},
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{
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"__address__": "1.2.3.4:9001",
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"__meta_kubernetes_pod_name": "testpod",
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"__meta_kubernetes_pod_ip": "1.2.3.4",
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"__meta_kubernetes_pod_ready": "unknown",
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"__meta_kubernetes_pod_phase": "",
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"__meta_kubernetes_pod_node_name": "testnode",
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"__meta_kubernetes_pod_host_ip": "2.3.4.5",
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"__meta_kubernetes_pod_container_name": "c2",
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"__meta_kubernetes_pod_container_port_name": "sideport",
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"__meta_kubernetes_pod_container_port_number": "9001",
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"__meta_kubernetes_pod_container_port_protocol": "TCP",
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"__meta_kubernetes_pod_uid": "deadbeef",
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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_endpoints_name": "testendpoints",
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"__meta_kubernetes_namespace": "default",
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},
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Source: "endpoints/default/testendpoints",
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},
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},
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}.Run(t)
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}
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func TestEndpointsDiscoveryDelete(t *testing.T) {
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n, c := makeDiscovery(RoleEndpoint, NamespaceDiscovery{}, makeEndpoints())
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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() {
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obj := makeEndpoints()
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c.CoreV1().Endpoints(obj.Namespace).Delete(context.Background(), obj.Name, metav1.DeleteOptions{})
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},
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expectedMaxItems: 2,
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expectedRes: map[string]*targetgroup.Group{
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"endpoints/default/testendpoints": {
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Source: "endpoints/default/testendpoints",
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},
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},
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}.Run(t)
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}
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func TestEndpointsDiscoveryUpdate(t *testing.T) {
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n, c := makeDiscovery(RoleEndpoint, NamespaceDiscovery{}, makeEndpoints())
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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() {
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obj := &v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: "testendpoints",
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Namespace: "default",
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},
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Subsets: []v1.EndpointSubset{
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{
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Addresses: []v1.EndpointAddress{
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{
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IP: "1.2.3.4",
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},
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},
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Ports: []v1.EndpointPort{
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{
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Name: "testport",
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Port: 9000,
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Protocol: v1.ProtocolTCP,
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},
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},
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},
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{
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Addresses: []v1.EndpointAddress{
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{
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IP: "2.3.4.5",
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},
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},
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Ports: []v1.EndpointPort{
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{
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Name: "testport",
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Port: 9001,
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Protocol: v1.ProtocolTCP,
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},
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},
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},
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},
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}
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c.CoreV1().Endpoints(obj.Namespace).Update(context.Background(), obj, metav1.UpdateOptions{})
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},
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expectedMaxItems: 2,
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expectedRes: map[string]*targetgroup.Group{
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"endpoints/default/testendpoints": {
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Targets: []model.LabelSet{
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{
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"__address__": "1.2.3.4:9000",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "true",
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},
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{
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"__address__": "2.3.4.5:9001",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "true",
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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_endpoints_name": "testendpoints",
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},
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Source: "endpoints/default/testendpoints",
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},
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},
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}.Run(t)
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}
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func TestEndpointsDiscoveryEmptySubsets(t *testing.T) {
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n, c := makeDiscovery(RoleEndpoint, NamespaceDiscovery{}, makeEndpoints())
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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() {
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obj := &v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: "testendpoints",
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Namespace: "default",
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},
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Subsets: []v1.EndpointSubset{},
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}
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c.CoreV1().Endpoints(obj.Namespace).Update(context.Background(), obj, metav1.UpdateOptions{})
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},
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expectedMaxItems: 2,
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expectedRes: map[string]*targetgroup.Group{
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"endpoints/default/testendpoints": {
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Labels: model.LabelSet{
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_endpoints_name": "testendpoints",
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},
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Source: "endpoints/default/testendpoints",
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},
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},
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}.Run(t)
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}
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func TestEndpointsDiscoveryWithService(t *testing.T) {
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n, c := makeDiscovery(RoleEndpoint, NamespaceDiscovery{}, makeEndpoints())
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k8sDiscoveryTest{
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discovery: n,
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beforeRun: func() {
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obj := &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "testendpoints",
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Namespace: "default",
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Labels: map[string]string{
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"app/name": "test",
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},
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},
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}
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c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
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},
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expectedMaxItems: 1,
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expectedRes: map[string]*targetgroup.Group{
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"endpoints/default/testendpoints": {
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Targets: []model.LabelSet{
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{
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"__address__": "1.2.3.4:9000",
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"__meta_kubernetes_endpoint_hostname": "testendpoint1",
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"__meta_kubernetes_endpoint_node_name": "foobar",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "true",
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},
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{
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"__address__": "2.3.4.5:9001",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "true",
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},
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{
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"__address__": "2.3.4.5:9001",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "false",
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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_endpoints_name": "testendpoints",
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"__meta_kubernetes_service_label_app_name": "test",
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"__meta_kubernetes_service_labelpresent_app_name": "true",
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"__meta_kubernetes_service_name": "testendpoints",
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},
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Source: "endpoints/default/testendpoints",
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},
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},
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}.Run(t)
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}
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func TestEndpointsDiscoveryWithServiceUpdate(t *testing.T) {
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n, c := makeDiscovery(RoleEndpoint, NamespaceDiscovery{}, makeEndpoints())
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k8sDiscoveryTest{
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discovery: n,
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beforeRun: func() {
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obj := &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "testendpoints",
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Namespace: "default",
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Labels: map[string]string{
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"app/name": "test",
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},
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},
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}
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c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
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},
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afterStart: func() {
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obj := &v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "testendpoints",
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Namespace: "default",
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Labels: map[string]string{
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"app/name": "svc",
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"component": "testing",
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},
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},
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}
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c.CoreV1().Services(obj.Namespace).Update(context.Background(), obj, metav1.UpdateOptions{})
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},
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expectedMaxItems: 2,
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expectedRes: map[string]*targetgroup.Group{
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"endpoints/default/testendpoints": {
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Targets: []model.LabelSet{
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{
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"__address__": "1.2.3.4:9000",
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"__meta_kubernetes_endpoint_hostname": "testendpoint1",
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"__meta_kubernetes_endpoint_node_name": "foobar",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "true",
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},
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{
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"__address__": "2.3.4.5:9001",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "true",
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},
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{
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"__address__": "2.3.4.5:9001",
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"__meta_kubernetes_endpoint_port_name": "testport",
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"__meta_kubernetes_endpoint_port_protocol": "TCP",
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"__meta_kubernetes_endpoint_ready": "false",
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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_endpoints_name": "testendpoints",
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"__meta_kubernetes_service_label_app_name": "svc",
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"__meta_kubernetes_service_labelpresent_app_name": "true",
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"__meta_kubernetes_service_name": "testendpoints",
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"__meta_kubernetes_service_label_component": "testing",
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"__meta_kubernetes_service_labelpresent_component": "true",
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},
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Source: "endpoints/default/testendpoints",
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},
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},
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}.Run(t)
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}
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func TestEndpointsDiscoveryNamespaces(t *testing.T) {
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epOne := makeEndpoints()
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epOne.Namespace = "ns1"
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objs := []runtime.Object{
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epOne,
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&v1.Endpoints{
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ObjectMeta: metav1.ObjectMeta{
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Name: "testendpoints",
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Namespace: "ns2",
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},
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Subsets: []v1.EndpointSubset{
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{
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Addresses: []v1.EndpointAddress{
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{
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IP: "4.3.2.1",
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TargetRef: &v1.ObjectReference{
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Kind: "Pod",
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Name: "testpod",
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Namespace: "ns2",
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},
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},
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},
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Ports: []v1.EndpointPort{
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{
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Name: "testport",
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Port: 9000,
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Protocol: v1.ProtocolTCP,
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},
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},
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},
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},
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},
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&v1.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "testendpoints",
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Namespace: "ns1",
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Labels: map[string]string{
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"app": "app1",
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},
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},
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},
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&v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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|
Name: "testpod",
|
|
Namespace: "ns2",
|
|
UID: types.UID("deadbeef"),
|
|
},
|
|
Spec: v1.PodSpec{
|
|
NodeName: "testnode",
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "c1",
|
|
Ports: []v1.ContainerPort{
|
|
{
|
|
Name: "mainport",
|
|
ContainerPort: 9000,
|
|
Protocol: v1.ProtocolTCP,
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Status: v1.PodStatus{
|
|
HostIP: "2.3.4.5",
|
|
PodIP: "4.3.2.1",
|
|
},
|
|
},
|
|
}
|
|
n, _ := makeDiscovery(RoleEndpoint, NamespaceDiscovery{Names: []string{"ns1", "ns2"}}, objs...)
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
expectedMaxItems: 2,
|
|
expectedRes: map[string]*targetgroup.Group{
|
|
"endpoints/ns1/testendpoints": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__address__": "1.2.3.4:9000",
|
|
"__meta_kubernetes_endpoint_hostname": "testendpoint1",
|
|
"__meta_kubernetes_endpoint_node_name": "foobar",
|
|
"__meta_kubernetes_endpoint_port_name": "testport",
|
|
"__meta_kubernetes_endpoint_port_protocol": "TCP",
|
|
"__meta_kubernetes_endpoint_ready": "true",
|
|
},
|
|
{
|
|
"__address__": "2.3.4.5:9001",
|
|
"__meta_kubernetes_endpoint_port_name": "testport",
|
|
"__meta_kubernetes_endpoint_port_protocol": "TCP",
|
|
"__meta_kubernetes_endpoint_ready": "true",
|
|
},
|
|
{
|
|
"__address__": "2.3.4.5:9001",
|
|
"__meta_kubernetes_endpoint_port_name": "testport",
|
|
"__meta_kubernetes_endpoint_port_protocol": "TCP",
|
|
"__meta_kubernetes_endpoint_ready": "false",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_namespace": "ns1",
|
|
"__meta_kubernetes_endpoints_name": "testendpoints",
|
|
"__meta_kubernetes_service_label_app": "app1",
|
|
"__meta_kubernetes_service_labelpresent_app": "true",
|
|
"__meta_kubernetes_service_name": "testendpoints",
|
|
},
|
|
Source: "endpoints/ns1/testendpoints",
|
|
},
|
|
"endpoints/ns2/testendpoints": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__address__": "4.3.2.1:9000",
|
|
"__meta_kubernetes_endpoint_port_name": "testport",
|
|
"__meta_kubernetes_endpoint_port_protocol": "TCP",
|
|
"__meta_kubernetes_endpoint_ready": "true",
|
|
"__meta_kubernetes_endpoint_address_target_kind": "Pod",
|
|
"__meta_kubernetes_endpoint_address_target_name": "testpod",
|
|
"__meta_kubernetes_pod_name": "testpod",
|
|
"__meta_kubernetes_pod_ip": "4.3.2.1",
|
|
"__meta_kubernetes_pod_ready": "unknown",
|
|
"__meta_kubernetes_pod_phase": "",
|
|
"__meta_kubernetes_pod_node_name": "testnode",
|
|
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
|
|
"__meta_kubernetes_pod_container_name": "c1",
|
|
"__meta_kubernetes_pod_container_port_name": "mainport",
|
|
"__meta_kubernetes_pod_container_port_number": "9000",
|
|
"__meta_kubernetes_pod_container_port_protocol": "TCP",
|
|
"__meta_kubernetes_pod_uid": "deadbeef",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_namespace": "ns2",
|
|
"__meta_kubernetes_endpoints_name": "testendpoints",
|
|
},
|
|
Source: "endpoints/ns2/testendpoints",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|