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.
391 lines
12 KiB
391 lines
12 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 (
|
|
"context"
|
|
"fmt"
|
|
"testing"
|
|
|
|
"github.com/prometheus/common/model"
|
|
v1 "k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
|
|
"github.com/prometheus/prometheus/discovery/targetgroup"
|
|
)
|
|
|
|
func makeMultiPortService() *v1.Service {
|
|
return &v1.Service{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "testservice",
|
|
Namespace: "default",
|
|
Labels: map[string]string{"test-label": "testvalue"},
|
|
Annotations: map[string]string{"test-annotation": "testannotationvalue"},
|
|
},
|
|
Spec: v1.ServiceSpec{
|
|
Ports: []v1.ServicePort{
|
|
{
|
|
Name: "testport0",
|
|
Protocol: v1.ProtocolTCP,
|
|
Port: int32(30900),
|
|
},
|
|
{
|
|
Name: "testport1",
|
|
Protocol: v1.ProtocolUDP,
|
|
Port: int32(30901),
|
|
},
|
|
},
|
|
Type: v1.ServiceTypeClusterIP,
|
|
ClusterIP: "10.0.0.1",
|
|
},
|
|
}
|
|
}
|
|
|
|
func makeSuffixedService(suffix string) *v1.Service {
|
|
return &v1.Service{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: fmt.Sprintf("testservice%s", suffix),
|
|
Namespace: "default",
|
|
},
|
|
Spec: v1.ServiceSpec{
|
|
Ports: []v1.ServicePort{
|
|
{
|
|
Name: "testport",
|
|
Protocol: v1.ProtocolTCP,
|
|
Port: int32(30900),
|
|
},
|
|
},
|
|
Type: v1.ServiceTypeClusterIP,
|
|
ClusterIP: "10.0.0.1",
|
|
},
|
|
}
|
|
}
|
|
|
|
func makeService() *v1.Service {
|
|
return makeSuffixedService("")
|
|
}
|
|
|
|
func makeExternalService() *v1.Service {
|
|
return &v1.Service{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "testservice-external",
|
|
Namespace: "default",
|
|
},
|
|
Spec: v1.ServiceSpec{
|
|
Ports: []v1.ServicePort{
|
|
{
|
|
Name: "testport",
|
|
Protocol: v1.ProtocolTCP,
|
|
Port: int32(31900),
|
|
},
|
|
},
|
|
Type: v1.ServiceTypeExternalName,
|
|
ExternalName: "FooExternalName",
|
|
},
|
|
}
|
|
}
|
|
|
|
func makeLoadBalancerService() *v1.Service {
|
|
return &v1.Service{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "testservice-loadbalancer",
|
|
Namespace: "default",
|
|
},
|
|
Spec: v1.ServiceSpec{
|
|
Ports: []v1.ServicePort{
|
|
{
|
|
Name: "testport",
|
|
Protocol: v1.ProtocolTCP,
|
|
Port: int32(31900),
|
|
},
|
|
},
|
|
Type: v1.ServiceTypeLoadBalancer,
|
|
LoadBalancerIP: "127.0.0.1",
|
|
ClusterIP: "10.0.0.1",
|
|
},
|
|
}
|
|
}
|
|
|
|
func TestServiceDiscoveryAdd(t *testing.T) {
|
|
n, c := makeDiscovery(RoleService, NamespaceDiscovery{})
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() {
|
|
obj := makeService()
|
|
c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
|
|
obj = makeExternalService()
|
|
c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
|
|
obj = makeLoadBalancerService()
|
|
c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
|
|
},
|
|
expectedMaxItems: 3,
|
|
expectedRes: map[string]*targetgroup.Group{
|
|
"svc/default/testservice": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__meta_kubernetes_service_port_protocol": "TCP",
|
|
"__address__": "testservice.default.svc:30900",
|
|
"__meta_kubernetes_service_type": "ClusterIP",
|
|
"__meta_kubernetes_service_cluster_ip": "10.0.0.1",
|
|
"__meta_kubernetes_service_port_name": "testport",
|
|
"__meta_kubernetes_service_port_number": "30900",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_service_name": "testservice",
|
|
"__meta_kubernetes_namespace": "default",
|
|
},
|
|
Source: "svc/default/testservice",
|
|
},
|
|
"svc/default/testservice-external": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__meta_kubernetes_service_port_protocol": "TCP",
|
|
"__address__": "testservice-external.default.svc:31900",
|
|
"__meta_kubernetes_service_type": "ExternalName",
|
|
"__meta_kubernetes_service_port_name": "testport",
|
|
"__meta_kubernetes_service_port_number": "31900",
|
|
"__meta_kubernetes_service_external_name": "FooExternalName",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_service_name": "testservice-external",
|
|
"__meta_kubernetes_namespace": "default",
|
|
},
|
|
Source: "svc/default/testservice-external",
|
|
},
|
|
"svc/default/testservice-loadbalancer": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__meta_kubernetes_service_port_protocol": "TCP",
|
|
"__address__": "testservice-loadbalancer.default.svc:31900",
|
|
"__meta_kubernetes_service_type": "LoadBalancer",
|
|
"__meta_kubernetes_service_port_name": "testport",
|
|
"__meta_kubernetes_service_port_number": "31900",
|
|
"__meta_kubernetes_service_cluster_ip": "10.0.0.1",
|
|
"__meta_kubernetes_service_loadbalancer_ip": "127.0.0.1",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_service_name": "testservice-loadbalancer",
|
|
"__meta_kubernetes_namespace": "default",
|
|
},
|
|
Source: "svc/default/testservice-loadbalancer",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|
|
|
|
func TestServiceDiscoveryDelete(t *testing.T) {
|
|
n, c := makeDiscovery(RoleService, NamespaceDiscovery{}, makeService())
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() {
|
|
obj := makeService()
|
|
c.CoreV1().Services(obj.Namespace).Delete(context.Background(), obj.Name, metav1.DeleteOptions{})
|
|
},
|
|
expectedMaxItems: 2,
|
|
expectedRes: map[string]*targetgroup.Group{
|
|
"svc/default/testservice": {
|
|
Source: "svc/default/testservice",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|
|
|
|
func TestServiceDiscoveryUpdate(t *testing.T) {
|
|
n, c := makeDiscovery(RoleService, NamespaceDiscovery{}, makeService())
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() {
|
|
obj := makeMultiPortService()
|
|
c.CoreV1().Services(obj.Namespace).Update(context.Background(), obj, metav1.UpdateOptions{})
|
|
},
|
|
expectedMaxItems: 2,
|
|
expectedRes: map[string]*targetgroup.Group{
|
|
"svc/default/testservice": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__meta_kubernetes_service_port_protocol": "TCP",
|
|
"__address__": "testservice.default.svc:30900",
|
|
"__meta_kubernetes_service_type": "ClusterIP",
|
|
"__meta_kubernetes_service_cluster_ip": "10.0.0.1",
|
|
"__meta_kubernetes_service_port_name": "testport0",
|
|
"__meta_kubernetes_service_port_number": "30900",
|
|
},
|
|
{
|
|
"__meta_kubernetes_service_port_protocol": "UDP",
|
|
"__address__": "testservice.default.svc:30901",
|
|
"__meta_kubernetes_service_type": "ClusterIP",
|
|
"__meta_kubernetes_service_cluster_ip": "10.0.0.1",
|
|
"__meta_kubernetes_service_port_name": "testport1",
|
|
"__meta_kubernetes_service_port_number": "30901",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_service_name": "testservice",
|
|
"__meta_kubernetes_namespace": "default",
|
|
"__meta_kubernetes_service_label_test_label": "testvalue",
|
|
"__meta_kubernetes_service_labelpresent_test_label": "true",
|
|
"__meta_kubernetes_service_annotation_test_annotation": "testannotationvalue",
|
|
"__meta_kubernetes_service_annotationpresent_test_annotation": "true",
|
|
},
|
|
Source: "svc/default/testservice",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|
|
|
|
func TestServiceDiscoveryNamespaces(t *testing.T) {
|
|
n, c := makeDiscovery(RoleService, NamespaceDiscovery{Names: []string{"ns1", "ns2"}})
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() {
|
|
for _, ns := range []string{"ns1", "ns2"} {
|
|
obj := makeService()
|
|
obj.Namespace = ns
|
|
c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
|
|
}
|
|
},
|
|
expectedMaxItems: 2,
|
|
expectedRes: map[string]*targetgroup.Group{
|
|
"svc/ns1/testservice": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__meta_kubernetes_service_port_protocol": "TCP",
|
|
"__address__": "testservice.ns1.svc:30900",
|
|
"__meta_kubernetes_service_type": "ClusterIP",
|
|
"__meta_kubernetes_service_cluster_ip": "10.0.0.1",
|
|
"__meta_kubernetes_service_port_name": "testport",
|
|
"__meta_kubernetes_service_port_number": "30900",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_service_name": "testservice",
|
|
"__meta_kubernetes_namespace": "ns1",
|
|
},
|
|
Source: "svc/ns1/testservice",
|
|
},
|
|
"svc/ns2/testservice": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__meta_kubernetes_service_port_protocol": "TCP",
|
|
"__address__": "testservice.ns2.svc:30900",
|
|
"__meta_kubernetes_service_type": "ClusterIP",
|
|
"__meta_kubernetes_service_cluster_ip": "10.0.0.1",
|
|
"__meta_kubernetes_service_port_name": "testport",
|
|
"__meta_kubernetes_service_port_number": "30900",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_service_name": "testservice",
|
|
"__meta_kubernetes_namespace": "ns2",
|
|
},
|
|
Source: "svc/ns2/testservice",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|
|
|
|
func TestServiceDiscoveryOwnNamespace(t *testing.T) {
|
|
n, c := makeDiscovery(RoleService, NamespaceDiscovery{IncludeOwnNamespace: true})
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() {
|
|
for _, ns := range []string{"own-ns", "non-own-ns"} {
|
|
obj := makeService()
|
|
obj.Namespace = ns
|
|
c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
|
|
}
|
|
},
|
|
expectedMaxItems: 1,
|
|
expectedRes: map[string]*targetgroup.Group{
|
|
"svc/own-ns/testservice": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__meta_kubernetes_service_port_protocol": "TCP",
|
|
"__address__": "testservice.own-ns.svc:30900",
|
|
"__meta_kubernetes_service_type": "ClusterIP",
|
|
"__meta_kubernetes_service_cluster_ip": "10.0.0.1",
|
|
"__meta_kubernetes_service_port_name": "testport",
|
|
"__meta_kubernetes_service_port_number": "30900",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_service_name": "testservice",
|
|
"__meta_kubernetes_namespace": "own-ns",
|
|
},
|
|
Source: "svc/own-ns/testservice",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|
|
|
|
func TestServiceDiscoveryAllNamespaces(t *testing.T) {
|
|
n, c := makeDiscovery(RoleService, NamespaceDiscovery{})
|
|
|
|
k8sDiscoveryTest{
|
|
discovery: n,
|
|
afterStart: func() {
|
|
for _, ns := range []string{"own-ns", "non-own-ns"} {
|
|
obj := makeService()
|
|
obj.Namespace = ns
|
|
c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
|
|
}
|
|
},
|
|
expectedMaxItems: 2,
|
|
expectedRes: map[string]*targetgroup.Group{
|
|
"svc/own-ns/testservice": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__meta_kubernetes_service_port_protocol": "TCP",
|
|
"__address__": "testservice.own-ns.svc:30900",
|
|
"__meta_kubernetes_service_type": "ClusterIP",
|
|
"__meta_kubernetes_service_cluster_ip": "10.0.0.1",
|
|
"__meta_kubernetes_service_port_name": "testport",
|
|
"__meta_kubernetes_service_port_number": "30900",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_service_name": "testservice",
|
|
"__meta_kubernetes_namespace": "own-ns",
|
|
},
|
|
Source: "svc/own-ns/testservice",
|
|
},
|
|
"svc/non-own-ns/testservice": {
|
|
Targets: []model.LabelSet{
|
|
{
|
|
"__meta_kubernetes_service_port_protocol": "TCP",
|
|
"__address__": "testservice.non-own-ns.svc:30900",
|
|
"__meta_kubernetes_service_type": "ClusterIP",
|
|
"__meta_kubernetes_service_cluster_ip": "10.0.0.1",
|
|
"__meta_kubernetes_service_port_name": "testport",
|
|
"__meta_kubernetes_service_port_number": "30900",
|
|
},
|
|
},
|
|
Labels: model.LabelSet{
|
|
"__meta_kubernetes_service_name": "testservice",
|
|
"__meta_kubernetes_namespace": "non-own-ns",
|
|
},
|
|
Source: "svc/non-own-ns/testservice",
|
|
},
|
|
},
|
|
}.Run(t)
|
|
}
|