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343 lines
10 KiB
343 lines
10 KiB
8 years ago
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// 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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"testing"
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"github.com/prometheus/common/log"
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"github.com/prometheus/common/model"
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"github.com/prometheus/prometheus/config"
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"k8s.io/client-go/1.5/pkg/api/v1"
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"k8s.io/client-go/1.5/tools/cache"
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8 years ago
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)
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func podStoreKeyFunc(obj interface{}) (string, error) {
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return obj.(*v1.Pod).ObjectMeta.Name, nil
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}
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func newFakePodInformer() *fakeInformer {
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return newFakeInformer(podStoreKeyFunc)
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}
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func makeTestPodDiscovery() (*Pod, *fakeInformer) {
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i := newFakePodInformer()
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return NewPod(log.Base(), i), i
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}
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func makeMultiPortPod() *v1.Pod {
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return &v1.Pod{
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ObjectMeta: v1.ObjectMeta{
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Name: "testpod",
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Namespace: "default",
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Labels: map[string]string{"testlabel": "testvalue"},
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Annotations: map[string]string{"testannotation": "testannotationvalue"},
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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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v1.Container{
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Name: "testcontainer0",
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Ports: []v1.ContainerPort{
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v1.ContainerPort{
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Name: "testport0",
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Protocol: v1.ProtocolTCP,
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ContainerPort: int32(9000),
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},
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v1.ContainerPort{
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Name: "testport1",
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Protocol: v1.ProtocolUDP,
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ContainerPort: int32(9001),
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},
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},
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},
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v1.Container{
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Name: "testcontainer1",
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},
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},
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},
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Status: v1.PodStatus{
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PodIP: "1.2.3.4",
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HostIP: "2.3.4.5",
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Conditions: []v1.PodCondition{
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v1.PodCondition{
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Type: v1.PodReady,
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Status: v1.ConditionTrue,
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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 makePod() *v1.Pod {
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return &v1.Pod{
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ObjectMeta: v1.ObjectMeta{
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Name: "testpod",
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Namespace: "default",
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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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v1.Container{
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Name: "testcontainer",
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Ports: []v1.ContainerPort{
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v1.ContainerPort{
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Name: "testport",
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Protocol: v1.ProtocolTCP,
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ContainerPort: int32(9000),
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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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PodIP: "1.2.3.4",
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HostIP: "2.3.4.5",
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Conditions: []v1.PodCondition{
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v1.PodCondition{
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Type: v1.PodReady,
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Status: v1.ConditionTrue,
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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 TestPodDiscoveryInitial(t *testing.T) {
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n, i := makeTestPodDiscovery()
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i.GetStore().Add(makeMultiPortPod())
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k8sDiscoveryTest{
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discovery: n,
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expectedInitial: []*config.TargetGroup{
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&config.TargetGroup{
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Targets: []model.LabelSet{
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model.LabelSet{
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"__address__": "1.2.3.4:9000",
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"__meta_kubernetes_pod_container_name": "testcontainer0",
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"__meta_kubernetes_pod_container_port_name": "testport0",
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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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},
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model.LabelSet{
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"__address__": "1.2.3.4:9001",
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"__meta_kubernetes_pod_container_name": "testcontainer0",
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"__meta_kubernetes_pod_container_port_name": "testport1",
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"__meta_kubernetes_pod_container_port_number": "9001",
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"__meta_kubernetes_pod_container_port_protocol": "UDP",
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},
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model.LabelSet{
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"__address__": "1.2.3.4",
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"__meta_kubernetes_pod_container_name": "testcontainer1",
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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_pod_name": "testpod",
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_pod_label_testlabel": "testvalue",
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"__meta_kubernetes_pod_annotation_testannotation": "testannotationvalue",
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"__meta_kubernetes_pod_node_name": "testnode",
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"__meta_kubernetes_pod_ip": "1.2.3.4",
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"__meta_kubernetes_pod_host_ip": "2.3.4.5",
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"__meta_kubernetes_pod_ready": "true",
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},
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Source: "pod/default/testpod",
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},
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},
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}.Run(t)
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}
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func TestPodDiscoveryAdd(t *testing.T) {
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n, i := makeTestPodDiscovery()
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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() { go func() { i.Add(makePod()) }() },
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expectedRes: []*config.TargetGroup{
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&config.TargetGroup{
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Targets: []model.LabelSet{
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model.LabelSet{
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"__address__": "1.2.3.4:9000",
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"__meta_kubernetes_pod_container_name": "testcontainer",
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"__meta_kubernetes_pod_container_port_name": "testport",
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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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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_pod_name": "testpod",
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_pod_node_name": "testnode",
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"__meta_kubernetes_pod_ip": "1.2.3.4",
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"__meta_kubernetes_pod_host_ip": "2.3.4.5",
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"__meta_kubernetes_pod_ready": "true",
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},
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Source: "pod/default/testpod",
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},
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},
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}.Run(t)
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}
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func TestPodDiscoveryDelete(t *testing.T) {
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n, i := makeTestPodDiscovery()
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i.GetStore().Add(makePod())
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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() { go func() { i.Delete(makePod()) }() },
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8 years ago
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expectedInitial: []*config.TargetGroup{
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&config.TargetGroup{
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Targets: []model.LabelSet{
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model.LabelSet{
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"__address__": "1.2.3.4:9000",
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"__meta_kubernetes_pod_container_name": "testcontainer",
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"__meta_kubernetes_pod_container_port_name": "testport",
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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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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_pod_name": "testpod",
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_pod_node_name": "testnode",
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"__meta_kubernetes_pod_ip": "1.2.3.4",
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"__meta_kubernetes_pod_host_ip": "2.3.4.5",
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"__meta_kubernetes_pod_ready": "true",
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},
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Source: "pod/default/testpod",
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},
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},
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expectedRes: []*config.TargetGroup{
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&config.TargetGroup{
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Source: "pod/default/testpod",
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},
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},
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}.Run(t)
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}
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func TestPodDiscoveryDeleteUnknownCacheState(t *testing.T) {
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n, i := makeTestPodDiscovery()
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i.GetStore().Add(makePod())
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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() { go func() { i.Delete(cache.DeletedFinalStateUnknown{Obj: makePod()}) }() },
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8 years ago
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expectedInitial: []*config.TargetGroup{
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&config.TargetGroup{
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Targets: []model.LabelSet{
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model.LabelSet{
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"__address__": "1.2.3.4:9000",
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"__meta_kubernetes_pod_container_name": "testcontainer",
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"__meta_kubernetes_pod_container_port_name": "testport",
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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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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_pod_name": "testpod",
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_pod_node_name": "testnode",
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"__meta_kubernetes_pod_ip": "1.2.3.4",
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"__meta_kubernetes_pod_host_ip": "2.3.4.5",
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"__meta_kubernetes_pod_ready": "true",
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},
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Source: "pod/default/testpod",
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},
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},
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expectedRes: []*config.TargetGroup{
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&config.TargetGroup{
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Source: "pod/default/testpod",
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},
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},
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}.Run(t)
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}
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func TestPodDiscoveryUpdate(t *testing.T) {
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n, i := makeTestPodDiscovery()
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i.GetStore().Add(&v1.Pod{
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ObjectMeta: v1.ObjectMeta{
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Name: "testpod",
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Namespace: "default",
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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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v1.Container{
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Name: "testcontainer",
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Ports: []v1.ContainerPort{
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v1.ContainerPort{
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Name: "testport",
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Protocol: v1.ProtocolTCP,
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ContainerPort: int32(9000),
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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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PodIP: "1.2.3.4",
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HostIP: "2.3.4.5",
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},
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})
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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() { go func() { i.Update(makePod()) }() },
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expectedInitial: []*config.TargetGroup{
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&config.TargetGroup{
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Targets: []model.LabelSet{
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model.LabelSet{
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"__address__": "1.2.3.4:9000",
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"__meta_kubernetes_pod_container_name": "testcontainer",
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"__meta_kubernetes_pod_container_port_name": "testport",
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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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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_pod_name": "testpod",
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_pod_node_name": "testnode",
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"__meta_kubernetes_pod_ip": "1.2.3.4",
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"__meta_kubernetes_pod_host_ip": "2.3.4.5",
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"__meta_kubernetes_pod_ready": "unknown",
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},
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Source: "pod/default/testpod",
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},
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},
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expectedRes: []*config.TargetGroup{
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&config.TargetGroup{
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Targets: []model.LabelSet{
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model.LabelSet{
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"__address__": "1.2.3.4:9000",
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"__meta_kubernetes_pod_container_name": "testcontainer",
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"__meta_kubernetes_pod_container_port_name": "testport",
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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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},
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},
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Labels: model.LabelSet{
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"__meta_kubernetes_pod_name": "testpod",
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"__meta_kubernetes_namespace": "default",
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"__meta_kubernetes_pod_node_name": "testnode",
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"__meta_kubernetes_pod_ip": "1.2.3.4",
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"__meta_kubernetes_pod_host_ip": "2.3.4.5",
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"__meta_kubernetes_pod_ready": "true",
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},
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Source: "pod/default/testpod",
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},
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},
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}.Run(t)
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}
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