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prometheus/discovery/kubernetes/endpointslice_test.go

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// 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"
"testing"
"github.com/prometheus/common/model"
corev1 "k8s.io/api/core/v1"
v1 "k8s.io/api/discovery/v1"
"k8s.io/api/discovery/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"github.com/prometheus/prometheus/discovery/targetgroup"
)
func strptr(str string) *string {
return &str
}
func boolptr(b bool) *bool {
return &b
}
func int32ptr(i int32) *int32 {
return &i
}
func protocolptr(p corev1.Protocol) *corev1.Protocol {
return &p
}
func makeEndpointSliceV1() *v1.EndpointSlice {
return &v1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
Labels: map[string]string{
v1.LabelServiceName: "testendpoints",
},
},
AddressType: v1.AddressTypeIPv4,
Ports: []v1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(corev1.ProtocolTCP),
AppProtocol: strptr("http"),
},
},
Endpoints: []v1.Endpoint{
{
Addresses: []string{"1.2.3.4"},
Conditions: v1.EndpointConditions{Ready: boolptr(true)},
Hostname: strptr("testendpoint1"),
TargetRef: &corev1.ObjectReference{},
NodeName: strptr("foobar"),
DeprecatedTopology: map[string]string{
"topology": "value",
},
}, {
Addresses: []string{"2.3.4.5"},
Conditions: v1.EndpointConditions{
Ready: boolptr(true),
},
}, {
Addresses: []string{"3.4.5.6"},
Conditions: v1.EndpointConditions{
Ready: boolptr(false),
},
},
},
}
}
func makeEndpointSliceV1beta1() *v1beta1.EndpointSlice {
return &v1beta1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
Labels: map[string]string{
v1beta1.LabelServiceName: "testendpoints",
},
},
AddressType: v1beta1.AddressTypeIPv4,
Ports: []v1beta1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(corev1.ProtocolTCP),
},
},
Endpoints: []v1beta1.Endpoint{
{
Addresses: []string{"1.2.3.4"},
Hostname: strptr("testendpoint1"),
}, {
Addresses: []string{"2.3.4.5"},
Conditions: v1beta1.EndpointConditions{
Ready: boolptr(true),
},
}, {
Addresses: []string{"3.4.5.6"},
Conditions: v1beta1.EndpointConditions{
Ready: boolptr(false),
},
},
},
}
}
func TestEndpointSliceDiscoveryBeforeRun(t *testing.T) {
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.25.0")
k8sDiscoveryTest{
discovery: n,
beforeRun: func() {
obj := makeEndpointSliceV1()
c.DiscoveryV1().EndpointSlices(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
},
expectedMaxItems: 1,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_namespace": "default",
"__meta_kubernetes_endpointslice_name": "testendpoints",
},
Source: "endpointslice/default/testendpoints",
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryBeforeRunV1beta1(t *testing.T) {
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "1.20.0")
k8sDiscoveryTest{
discovery: n,
beforeRun: func() {
obj := makeEndpointSliceV1beta1()
c.DiscoveryV1beta1().EndpointSlices(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
},
expectedMaxItems: 1,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_namespace": "default",
"__meta_kubernetes_endpointslice_name": "testendpoints",
},
Source: "endpointslice/default/testendpoints",
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryAdd(t *testing.T) {
obj := &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "testpod",
Namespace: "default",
UID: types.UID("deadbeef"),
},
Spec: corev1.PodSpec{
NodeName: "testnode",
Containers: []corev1.Container{
{
Name: "c1",
Image: "c1:latest",
Ports: []corev1.ContainerPort{
{
Name: "mainport",
ContainerPort: 9000,
Protocol: corev1.ProtocolTCP,
},
},
},
{
Name: "c2",
Image: "c2:latest",
Ports: []corev1.ContainerPort{
{
Name: "sideport",
ContainerPort: 9001,
Protocol: corev1.ProtocolTCP,
},
},
},
},
},
Status: corev1.PodStatus{
HostIP: "2.3.4.5",
PodIP: "1.2.3.4",
},
}
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.20.0", obj)
k8sDiscoveryTest{
discovery: n,
afterStart: func() {
obj := &v1beta1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
},
AddressType: v1beta1.AddressTypeIPv4,
Ports: []v1beta1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(corev1.ProtocolTCP),
},
},
Endpoints: []v1beta1.Endpoint{
{
Addresses: []string{"4.3.2.1"},
TargetRef: &corev1.ObjectReference{
Kind: "Pod",
Name: "testpod",
Namespace: "default",
},
Conditions: v1beta1.EndpointConditions{
Ready: boolptr(false),
},
},
},
}
c.DiscoveryV1beta1().EndpointSlices(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
},
expectedMaxItems: 1,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "4.3.2.1:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "Pod",
"__meta_kubernetes_endpointslice_address_target_name": "testpod",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
"__meta_kubernetes_pod_container_name": "c1",
"__meta_kubernetes_pod_container_image": "c1:latest",
"__meta_kubernetes_pod_container_port_name": "mainport",
"__meta_kubernetes_pod_container_port_number": "9000",
"__meta_kubernetes_pod_container_port_protocol": "TCP",
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
"__meta_kubernetes_pod_ip": "1.2.3.4",
"__meta_kubernetes_pod_name": "testpod",
"__meta_kubernetes_pod_node_name": "testnode",
"__meta_kubernetes_pod_phase": "",
"__meta_kubernetes_pod_ready": "unknown",
"__meta_kubernetes_pod_uid": "deadbeef",
},
{
"__address__": "1.2.3.4:9001",
"__meta_kubernetes_pod_container_name": "c2",
"__meta_kubernetes_pod_container_image": "c2:latest",
"__meta_kubernetes_pod_container_port_name": "sideport",
"__meta_kubernetes_pod_container_port_number": "9001",
"__meta_kubernetes_pod_container_port_protocol": "TCP",
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
"__meta_kubernetes_pod_ip": "1.2.3.4",
"__meta_kubernetes_pod_name": "testpod",
"__meta_kubernetes_pod_node_name": "testnode",
"__meta_kubernetes_pod_phase": "",
"__meta_kubernetes_pod_ready": "unknown",
"__meta_kubernetes_pod_uid": "deadbeef",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "default",
},
Source: "endpointslice/default/testendpoints",
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryDelete(t *testing.T) {
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.21.0", makeEndpointSliceV1())
k8sDiscoveryTest{
discovery: n,
afterStart: func() {
obj := makeEndpointSliceV1()
c.DiscoveryV1beta1().EndpointSlices(obj.Namespace).Delete(context.Background(), obj.Name, metav1.DeleteOptions{})
},
expectedMaxItems: 2,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Source: "endpointslice/default/testendpoints",
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: map[model.LabelName]model.LabelValue{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "default",
},
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryUpdate(t *testing.T) {
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.21.0", makeEndpointSliceV1())
k8sDiscoveryTest{
discovery: n,
afterStart: func() {
obj := &v1beta1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
},
AddressType: v1beta1.AddressTypeIPv4,
Ports: []v1beta1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(corev1.ProtocolTCP),
},
},
Endpoints: []v1beta1.Endpoint{
{
Addresses: []string{"1.2.3.4"},
Hostname: strptr("testendpoint1"),
}, {
Addresses: []string{"2.3.4.5"},
Conditions: v1beta1.EndpointConditions{
Ready: boolptr(true),
},
},
},
}
c.DiscoveryV1beta1().EndpointSlices(obj.Namespace).Update(context.Background(), obj, metav1.UpdateOptions{})
},
expectedMaxItems: 2,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Source: "endpointslice/default/testendpoints",
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "default",
},
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryEmptyEndpoints(t *testing.T) {
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.21.0", makeEndpointSliceV1())
k8sDiscoveryTest{
discovery: n,
afterStart: func() {
obj := &v1beta1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
},
AddressType: v1beta1.AddressTypeIPv4,
Ports: []v1beta1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(corev1.ProtocolTCP),
},
},
Endpoints: []v1beta1.Endpoint{},
}
c.DiscoveryV1beta1().EndpointSlices(obj.Namespace).Update(context.Background(), obj, metav1.UpdateOptions{})
},
expectedMaxItems: 2,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "default",
},
Source: "endpointslice/default/testendpoints",
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryWithService(t *testing.T) {
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.21.0", makeEndpointSliceV1())
k8sDiscoveryTest{
discovery: n,
beforeRun: func() {
obj := &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
Labels: map[string]string{
"app/name": "test",
},
},
}
c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
},
expectedMaxItems: 1,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "default",
"__meta_kubernetes_service_label_app_name": "test",
"__meta_kubernetes_service_labelpresent_app_name": "true",
"__meta_kubernetes_service_name": "testendpoints",
},
Source: "endpointslice/default/testendpoints",
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryWithServiceUpdate(t *testing.T) {
n, c := makeDiscoveryWithVersion(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"default"}}, "v1.21.0", makeEndpointSliceV1())
k8sDiscoveryTest{
discovery: n,
beforeRun: func() {
obj := &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
Labels: map[string]string{
"app/name": "test",
},
},
}
c.CoreV1().Services(obj.Namespace).Create(context.Background(), obj, metav1.CreateOptions{})
},
afterStart: func() {
obj := &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
Labels: map[string]string{
"app/name": "svc",
"component": "testing",
},
},
}
c.CoreV1().Services(obj.Namespace).Update(context.Background(), obj, metav1.UpdateOptions{})
},
expectedMaxItems: 2,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "default",
"__meta_kubernetes_service_label_app_name": "svc",
"__meta_kubernetes_service_label_component": "testing",
"__meta_kubernetes_service_labelpresent_app_name": "true",
"__meta_kubernetes_service_labelpresent_component": "true",
"__meta_kubernetes_service_name": "testendpoints",
},
Source: "endpointslice/default/testendpoints",
},
},
}.Run(t)
}
func TestEndpointsSlicesDiscoveryWithNodeMetadata(t *testing.T) {
metadataConfig := AttachMetadataConfig{Node: true}
nodeLabels := map[string]string{"az": "us-east1"}
svc := &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
Labels: map[string]string{
"app/name": "test",
},
},
}
objs := []runtime.Object{makeEndpointSliceV1(), makeNode("foobar", "", "", nodeLabels, nil), svc}
n, _ := makeDiscoveryWithMetadata(RoleEndpointSlice, NamespaceDiscovery{}, metadataConfig, objs...)
k8sDiscoveryTest{
discovery: n,
expectedMaxItems: 1,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
"__meta_kubernetes_node_label_az": "us-east1",
"__meta_kubernetes_node_labelpresent_az": "true",
"__meta_kubernetes_node_name": "foobar",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "default",
"__meta_kubernetes_service_label_app_name": "test",
"__meta_kubernetes_service_labelpresent_app_name": "true",
"__meta_kubernetes_service_name": "testendpoints",
},
Source: "endpointslice/default/testendpoints",
},
},
}.Run(t)
}
func TestEndpointsSlicesDiscoveryWithUpdatedNodeMetadata(t *testing.T) {
metadataConfig := AttachMetadataConfig{Node: true}
nodeLabels := map[string]string{"az": "us-east1"}
svc := &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "default",
Labels: map[string]string{
"app/name": "test",
},
},
}
node := makeNode("foobar", "", "", nodeLabels, nil)
objs := []runtime.Object{makeEndpointSliceV1(), node, svc}
n, c := makeDiscoveryWithMetadata(RoleEndpointSlice, NamespaceDiscovery{}, metadataConfig, objs...)
k8sDiscoveryTest{
discovery: n,
expectedMaxItems: 2,
afterStart: func() {
node.Labels["az"] = "us-central1"
c.CoreV1().Nodes().Update(context.Background(), node, metav1.UpdateOptions{})
},
expectedRes: map[string]*targetgroup.Group{
"endpointslice/default/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
"__meta_kubernetes_node_label_az": "us-central1",
"__meta_kubernetes_node_labelpresent_az": "true",
"__meta_kubernetes_node_name": "foobar",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "default",
"__meta_kubernetes_service_label_app_name": "test",
"__meta_kubernetes_service_labelpresent_app_name": "true",
"__meta_kubernetes_service_name": "testendpoints",
},
Source: "endpointslice/default/testendpoints",
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryNamespaces(t *testing.T) {
epOne := makeEndpointSliceV1()
epOne.Namespace = "ns1"
objs := []runtime.Object{
epOne,
&v1.EndpointSlice{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "ns2",
},
AddressType: v1.AddressTypeIPv4,
Ports: []v1.EndpointPort{
{
Name: strptr("testport"),
Port: int32ptr(9000),
Protocol: protocolptr(corev1.ProtocolTCP),
},
},
Endpoints: []v1.Endpoint{
{
Addresses: []string{"4.3.2.1"},
TargetRef: &corev1.ObjectReference{
Kind: "Pod",
Name: "testpod",
Namespace: "ns2",
},
},
},
},
&corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: "testendpoints",
Namespace: "ns1",
Labels: map[string]string{
"app": "app1",
},
},
},
&corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "testpod",
Namespace: "ns2",
UID: types.UID("deadbeef"),
},
Spec: corev1.PodSpec{
NodeName: "testnode",
Containers: []corev1.Container{
{
Name: "c1",
Image: "c1:latest",
Ports: []corev1.ContainerPort{
{
Name: "mainport",
ContainerPort: 9000,
Protocol: corev1.ProtocolTCP,
},
},
},
},
},
Status: corev1.PodStatus{
HostIP: "2.3.4.5",
PodIP: "4.3.2.1",
},
},
}
n, _ := makeDiscovery(RoleEndpointSlice, NamespaceDiscovery{Names: []string{"ns1", "ns2"}}, objs...)
k8sDiscoveryTest{
discovery: n,
expectedMaxItems: 2,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/ns1/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "ns1",
"__meta_kubernetes_service_label_app": "app1",
"__meta_kubernetes_service_labelpresent_app": "true",
"__meta_kubernetes_service_name": "testendpoints",
},
Source: "endpointslice/ns1/testendpoints",
},
"endpointslice/ns2/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "4.3.2.1:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "Pod",
"__meta_kubernetes_endpointslice_address_target_name": "testpod",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
"__meta_kubernetes_pod_container_name": "c1",
"__meta_kubernetes_pod_container_image": "c1:latest",
"__meta_kubernetes_pod_container_port_name": "mainport",
"__meta_kubernetes_pod_container_port_number": "9000",
"__meta_kubernetes_pod_container_port_protocol": "TCP",
"__meta_kubernetes_pod_host_ip": "2.3.4.5",
"__meta_kubernetes_pod_ip": "4.3.2.1",
"__meta_kubernetes_pod_name": "testpod",
"__meta_kubernetes_pod_node_name": "testnode",
"__meta_kubernetes_pod_phase": "",
"__meta_kubernetes_pod_ready": "unknown",
"__meta_kubernetes_pod_uid": "deadbeef",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "ns2",
},
Source: "endpointslice/ns2/testendpoints",
},
},
}.Run(t)
}
func TestEndpointSliceDiscoveryOwnNamespace(t *testing.T) {
epOne := makeEndpointSliceV1()
epOne.Namespace = "own-ns"
epTwo := makeEndpointSliceV1()
epTwo.Namespace = "non-own-ns"
podOne := &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "testpod",
Namespace: "own-ns",
UID: types.UID("deadbeef"),
},
Spec: corev1.PodSpec{
NodeName: "testnode",
Containers: []corev1.Container{
{
Name: "p1",
Image: "p1:latest",
Ports: []corev1.ContainerPort{
{
Name: "mainport",
ContainerPort: 9000,
Protocol: corev1.ProtocolTCP,
},
},
},
},
},
Status: corev1.PodStatus{
HostIP: "2.3.4.5",
PodIP: "4.3.2.1",
},
}
podTwo := podOne.DeepCopy()
podTwo.Namespace = "non-own-ns"
objs := []runtime.Object{
epOne,
epTwo,
podOne,
podTwo,
}
n, _ := makeDiscovery(RoleEndpointSlice, NamespaceDiscovery{IncludeOwnNamespace: true}, objs...)
k8sDiscoveryTest{
discovery: n,
expectedMaxItems: 1,
expectedRes: map[string]*targetgroup.Group{
"endpointslice/own-ns/testendpoints": {
Targets: []model.LabelSet{
{
"__address__": "1.2.3.4:9000",
"__meta_kubernetes_endpointslice_address_target_kind": "",
"__meta_kubernetes_endpointslice_address_target_name": "",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_endpoint_hostname": "testendpoint1",
"__meta_kubernetes_endpointslice_endpoint_topology_present_topology": "true",
"__meta_kubernetes_endpointslice_endpoint_topology_topology": "value",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
},
{
"__address__": "2.3.4.5:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "true",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
},
{
"__address__": "3.4.5.6:9000",
"__meta_kubernetes_endpointslice_endpoint_conditions_ready": "false",
"__meta_kubernetes_endpointslice_port": "9000",
"__meta_kubernetes_endpointslice_port_name": "testport",
"__meta_kubernetes_endpointslice_port_protocol": "TCP",
"__meta_kubernetes_endpointslice_port_app_protocol": "http",
},
},
Labels: model.LabelSet{
"__meta_kubernetes_endpointslice_address_type": "IPv4",
"__meta_kubernetes_endpointslice_name": "testendpoints",
"__meta_kubernetes_namespace": "own-ns",
},
Source: "endpointslice/own-ns/testendpoints",
},
},
}.Run(t)
}