mirror of
https://github.com/prometheus/prometheus.git
synced 2025-01-13 14:57:40 -08:00
retrieval: add kubernetes endpoint discovery tests
This commit is contained in:
Frederic Branczyk
Fabian Reinartz
parent
08fa4eaa92
commit
8f576a8510
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@ -158,6 +158,7 @@ func (e *Endpoints) buildEndpoints(eps *apiv1.Endpoints) *config.TargetGroup {
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pod := e.resolvePodRef(addr.TargetRef)
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if pod == nil {
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// This target is not a Pod, so don't continue with Pod specific logic.
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tg.Targets = append(tg.Targets, target)
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return
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}
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@ -195,6 +196,8 @@ func (e *Endpoints) buildEndpoints(eps *apiv1.Endpoints) *config.TargetGroup {
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for _, addr := range ss.Addresses {
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add(addr, port, "true")
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}
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// Although this generates the same target again, as it was generated in
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// the loop above, it causes the ready meta label to be overridden.
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for _, addr := range ss.NotReadyAddresses {
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add(addr, port, "false")
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}
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320
retrieval/discovery/kubernetes/endpoint_test.go
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320
retrieval/discovery/kubernetes/endpoint_test.go
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@ -0,0 +1,320 @@
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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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//"fmt"
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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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)
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func endpointStoreKeyFunc(obj interface{}) (string, error) {
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return obj.(*v1.Endpoints).ObjectMeta.Name, nil
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}
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func newFakeEndpointInformer() *fakeInformer {
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return newFakeInformer(endpointStoreKeyFunc)
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}
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func makeTestEndpointDiscovery() (*Endpoints, *fakeInformer, *fakeInformer, *fakeInformer) {
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svc := newFakeServiceInformer()
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eps := newFakeEndpointInformer()
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pod := newFakePodInformer()
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return NewEndpoints(log.Base(), svc, eps, pod), svc, eps, pod
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}
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func makeEndpoint() *v1.Endpoints {
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return &v1.Endpoints{
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ObjectMeta: v1.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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v1.EndpointSubset{
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Addresses: []v1.EndpointAddress{
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v1.EndpointAddress{
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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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v1.EndpointPort{
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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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v1.EndpointSubset{
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Addresses: []v1.EndpointAddress{
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v1.EndpointAddress{
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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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v1.EndpointAddress{
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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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v1.EndpointPort{
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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 TestEndpointDiscoveryInitial(t *testing.T) {
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n, _, eps, _ := makeTestEndpointDiscovery()
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eps.GetStore().Add(makeEndpoint())
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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_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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model.LabelSet{
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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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model.LabelSet{
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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 TestEndpointDiscoveryAdd(t *testing.T) {
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n, _, eps, pods := makeTestEndpointDiscovery()
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pods.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: "c1",
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Ports: []v1.ContainerPort{
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v1.ContainerPort{
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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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v1.Container{
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Name: "c2",
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Ports: []v1.ContainerPort{
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v1.ContainerPort{
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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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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() {
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go func() {
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eps.Add(
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&v1.Endpoints{
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ObjectMeta: v1.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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v1.EndpointSubset{
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Addresses: []v1.EndpointAddress{
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v1.EndpointAddress{
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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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v1.EndpointPort{
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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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)
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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__": "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_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_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": "testport",
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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_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_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_protocol": "TCP",
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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 TestEndpointDiscoveryDelete(t *testing.T) {
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n, _, eps, _ := makeTestEndpointDiscovery()
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eps.GetStore().Add(makeEndpoint())
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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() { go func() { eps.Delete(makeEndpoint()) }() },
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expectedRes: []*config.TargetGroup{
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&config.TargetGroup{
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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 TestEndpointDiscoveryUpdate(t *testing.T) {
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n, _, eps, _ := makeTestEndpointDiscovery()
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eps.GetStore().Add(makeEndpoint())
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k8sDiscoveryTest{
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discovery: n,
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afterStart: func() {
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go func() {
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eps.Update(&v1.Endpoints{
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ObjectMeta: v1.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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v1.EndpointSubset{
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Addresses: []v1.EndpointAddress{
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v1.EndpointAddress{
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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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v1.EndpointPort{
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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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v1.EndpointSubset{
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Addresses: []v1.EndpointAddress{
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v1.EndpointAddress{
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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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v1.EndpointPort{
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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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},
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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_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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model.LabelSet{
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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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