mirror of https://github.com/prometheus/prometheus
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
396 lines
11 KiB
396 lines
11 KiB
// Copyright 2016 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package kubernetes
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/prometheus/common/model"
|
|
"github.com/prometheus/prometheus/discovery/targetgroup"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/client-go/pkg/api/v1"
|
|
"k8s.io/client-go/tools/cache"
|
|
)
|
|
|
|
func podStoreKeyFunc(obj interface{}) (string, error) {
|
|
return obj.(*v1.Pod).ObjectMeta.Name, nil
|
|
}
|
|
|
|
func newFakePodInformer() *fakeInformer {
|
|
return newFakeInformer(podStoreKeyFunc)
|
|
}
|
|
|
|
func makeTestPodDiscovery() (*Pod, *fakeInformer) {
|
|
i := newFakePodInformer()
|
|
return NewPod(nil, i), i
|
|
}
|
|
|
|
func makeMultiPortPod() *v1.Pod {
|
|
return &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "testpod",
|
|
Namespace: "default",
|
|
Labels: map[string]string{"testlabel": "testvalue"},
|
|
Annotations: map[string]string{"testannotation": "testannotationvalue"},
|
|
UID: types.UID("abc123"),
|
|
},
|
|
Spec: v1.PodSpec{
|
|
NodeName: "testnode",
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "testcontainer0",
|
|
Ports: []v1.ContainerPort{
|
|
{
|
|
Name: "testport0",
|
|
Protocol: v1.ProtocolTCP,
|
|
ContainerPort: int32(9000),
|
|
},
|
|
{
|
|
Name: "testport1",
|
|
Protocol: v1.ProtocolUDP,
|
|
ContainerPort: int32(9001),
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Name: "testcontainer1",
|
|
},
|
|
},
|
|
},
|
|
Status: v1.PodStatus{
|
|
PodIP: "1.2.3.4",
|
|
HostIP: "2.3.4.5",
|
|
Conditions: []v1.PodCondition{
|
|
{
|
|
Type: v1.PodReady,
|
|
Status: v1.ConditionTrue,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func makePod() *v1.Pod {
|
|
return &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "testpod",
|
|
Namespace: "default",
|
|
UID: types.UID("abc123"),
|
|
},
|
|
Spec: v1.PodSpec{
|
|
NodeName: "testnode",
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "testcontainer",
|
|
Ports: []v1.ContainerPort{
|
|
{
|
|
Name: "testport",
|
|
Protocol: v1.ProtocolTCP,
|
|
ContainerPort: int32(9000),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Status: v1.PodStatus{
|
|
PodIP: "1.2.3.4",
|
|
HostIP: "2.3.4.5",
|
|
Conditions: []v1.PodCondition{
|
|
{
|
|
Type: v1.PodReady,
|
|
Status: v1.ConditionTrue,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func TestPodDiscoveryInitial(t *testing.T) {
|
|
n, i := makeTestPodDiscovery()
|
|
i.GetStore().Add(makeMultiPortPod())
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
expectedInitial: []*targetgroup.Group{
|
|
{
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__address__": "1.2.3.4:9000",
|
|
"__meta_kubernetes_pod_container_name": "testcontainer0",
|
|
"__meta_kubernetes_pod_container_port_name": "testport0",
|
|
"__meta_kubernetes_pod_container_port_number": "9000",
|
|
"__meta_kubernetes_pod_container_port_protocol": "TCP",
|
|
},
|
|
{
|
|
"__address__": "1.2.3.4:9001",
|
|
"__meta_kubernetes_pod_container_name": "testcontainer0",
|
|
"__meta_kubernetes_pod_container_port_name": "testport1",
|
|
"__meta_kubernetes_pod_container_port_number": "9001",
|
|
"__meta_kubernetes_pod_container_port_protocol": "UDP",
|
|
},
|
|
{
|
|
"__address__": "1.2.3.4",
|
|
"__meta_kubernetes_pod_container_name": "testcontainer1",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_pod_name": "testpod",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_pod_label_testlabel": "testvalue",
|
|
"__meta_kubernetes_pod_annotation_testannotation": "testannotationvalue",
|
|
"__meta_kubernetes_pod_node_name": "testnode",
|
|
"__meta_kubernetes_pod_ip": "1.2.3.4",
|
|
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
|
|
"__meta_kubernetes_pod_ready": "true",
|
|
"__meta_kubernetes_pod_uid": "abc123",
|
|
},
|
|
Source: "pod/default/testpod",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|
|
|
|
func TestPodDiscoveryAdd(t *testing.T) {
|
|
n, i := makeTestPodDiscovery()
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() { go func() { i.Add(makePod()) }() },
|
|
expectedRes: []*targetgroup.Group{
|
|
{
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__address__": "1.2.3.4:9000",
|
|
"__meta_kubernetes_pod_container_name": "testcontainer",
|
|
"__meta_kubernetes_pod_container_port_name": "testport",
|
|
"__meta_kubernetes_pod_container_port_number": "9000",
|
|
"__meta_kubernetes_pod_container_port_protocol": "TCP",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_pod_name": "testpod",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_pod_node_name": "testnode",
|
|
"__meta_kubernetes_pod_ip": "1.2.3.4",
|
|
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
|
|
"__meta_kubernetes_pod_ready": "true",
|
|
"__meta_kubernetes_pod_uid": "abc123",
|
|
},
|
|
Source: "pod/default/testpod",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|
|
|
|
func TestPodDiscoveryDelete(t *testing.T) {
|
|
n, i := makeTestPodDiscovery()
|
|
i.GetStore().Add(makePod())
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() { go func() { i.Delete(makePod()) }() },
|
|
expectedInitial: []*targetgroup.Group{
|
|
{
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__address__": "1.2.3.4:9000",
|
|
"__meta_kubernetes_pod_container_name": "testcontainer",
|
|
"__meta_kubernetes_pod_container_port_name": "testport",
|
|
"__meta_kubernetes_pod_container_port_number": "9000",
|
|
"__meta_kubernetes_pod_container_port_protocol": "TCP",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_pod_name": "testpod",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_pod_node_name": "testnode",
|
|
"__meta_kubernetes_pod_ip": "1.2.3.4",
|
|
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
|
|
"__meta_kubernetes_pod_ready": "true",
|
|
"__meta_kubernetes_pod_uid": "abc123",
|
|
},
|
|
Source: "pod/default/testpod",
|
|
},
|
|
},
|
|
expectedRes: []*targetgroup.Group{
|
|
{
|
|
Source: "pod/default/testpod",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|
|
|
|
func TestPodDiscoveryDeleteUnknownCacheState(t *testing.T) {
|
|
n, i := makeTestPodDiscovery()
|
|
i.GetStore().Add(makePod())
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() { go func() { i.Delete(cache.DeletedFinalStateUnknown{Obj: makePod()}) }() },
|
|
expectedInitial: []*targetgroup.Group{
|
|
{
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__address__": "1.2.3.4:9000",
|
|
"__meta_kubernetes_pod_container_name": "testcontainer",
|
|
"__meta_kubernetes_pod_container_port_name": "testport",
|
|
"__meta_kubernetes_pod_container_port_number": "9000",
|
|
"__meta_kubernetes_pod_container_port_protocol": "TCP",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_pod_name": "testpod",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_pod_node_name": "testnode",
|
|
"__meta_kubernetes_pod_ip": "1.2.3.4",
|
|
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
|
|
"__meta_kubernetes_pod_ready": "true",
|
|
"__meta_kubernetes_pod_uid": "abc123",
|
|
},
|
|
Source: "pod/default/testpod",
|
|
},
|
|
},
|
|
expectedRes: []*targetgroup.Group{
|
|
{
|
|
Source: "pod/default/testpod",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|
|
|
|
func TestPodDiscoveryUpdate(t *testing.T) {
|
|
n, i := makeTestPodDiscovery()
|
|
i.GetStore().Add(&v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "testpod",
|
|
Namespace: "default",
|
|
UID: "xyz321",
|
|
},
|
|
Spec: v1.PodSpec{
|
|
NodeName: "testnode",
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: "testcontainer",
|
|
Ports: []v1.ContainerPort{
|
|
{
|
|
Name: "testport",
|
|
Protocol: v1.ProtocolTCP,
|
|
ContainerPort: int32(9000),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Status: v1.PodStatus{
|
|
PodIP: "1.2.3.4",
|
|
HostIP: "2.3.4.5",
|
|
},
|
|
})
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() { go func() { i.Update(makePod()) }() },
|
|
expectedInitial: []*targetgroup.Group{
|
|
{
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__address__": "1.2.3.4:9000",
|
|
"__meta_kubernetes_pod_container_name": "testcontainer",
|
|
"__meta_kubernetes_pod_container_port_name": "testport",
|
|
"__meta_kubernetes_pod_container_port_number": "9000",
|
|
"__meta_kubernetes_pod_container_port_protocol": "TCP",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_pod_name": "testpod",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_pod_node_name": "testnode",
|
|
"__meta_kubernetes_pod_ip": "1.2.3.4",
|
|
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
|
|
"__meta_kubernetes_pod_ready": "unknown",
|
|
"__meta_kubernetes_pod_uid": "xyz321",
|
|
},
|
|
Source: "pod/default/testpod",
|
|
},
|
|
},
|
|
expectedRes: []*targetgroup.Group{
|
|
{
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__address__": "1.2.3.4:9000",
|
|
"__meta_kubernetes_pod_container_name": "testcontainer",
|
|
"__meta_kubernetes_pod_container_port_name": "testport",
|
|
"__meta_kubernetes_pod_container_port_number": "9000",
|
|
"__meta_kubernetes_pod_container_port_protocol": "TCP",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_pod_name": "testpod",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_pod_node_name": "testnode",
|
|
"__meta_kubernetes_pod_ip": "1.2.3.4",
|
|
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
|
|
"__meta_kubernetes_pod_ready": "true",
|
|
"__meta_kubernetes_pod_uid": "abc123",
|
|
},
|
|
Source: "pod/default/testpod",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|
|
|
|
func TestPodDiscoveryUpdateEmptyPodIP(t *testing.T) {
|
|
n, i := makeTestPodDiscovery()
|
|
initialPod := makePod()
|
|
|
|
updatedPod := makePod()
|
|
updatedPod.Status.PodIP = ""
|
|
|
|
i.GetStore().Add(initialPod)
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() { go func() { i.Update(updatedPod) }() },
|
|
expectedInitial: []*targetgroup.Group{
|
|
{
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__address__": "1.2.3.4:9000",
|
|
"__meta_kubernetes_pod_container_name": "testcontainer",
|
|
"__meta_kubernetes_pod_container_port_name": "testport",
|
|
"__meta_kubernetes_pod_container_port_number": "9000",
|
|
"__meta_kubernetes_pod_container_port_protocol": "TCP",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_pod_name": "testpod",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_pod_node_name": "testnode",
|
|
"__meta_kubernetes_pod_ip": "1.2.3.4",
|
|
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
|
|
"__meta_kubernetes_pod_ready": "true",
|
|
"__meta_kubernetes_pod_uid": "abc123",
|
|
},
|
|
Source: "pod/default/testpod",
|
|
},
|
|
},
|
|
expectedRes: []*targetgroup.Group{
|
|
{
|
|
Source: "pod/default/testpod",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|