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[kubernetes] ignore empty endpoint changes

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Henning 2021-04-29 16:20:03 +02:00 • committed by GitHub
parent 0624cefc10
commit ab71dad51a
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5 changed files with 707 additions and 54 deletions
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489
pkg/provider/kubernetes/k8s/event_handler_test.go Normal file
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@ -0,0 +1,489 @@
package k8s
import (
"testing"
"github.com/stretchr/testify/assert"
corev1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func Test_detectChanges(t *testing.T) {
tests := []struct {
name string
oldObj interface{}
newObj interface{}
want bool
}{
{
name: "With nil values",
want: true,
},
{
name: "With empty endpoints",
oldObj: &corev1.Endpoints{},
newObj: &corev1.Endpoints{},
},
{
name: "With old nil",
newObj: &corev1.Endpoints{},
want: true,
},
{
name: "With new nil",
oldObj: &corev1.Endpoints{},
want: true,
},
{
name: "With same version",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
},
},
{
name: "With different version",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
},
},
{
name: "With same annotations",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
Annotations: map[string]string{
"test-annotation": "_",
},
},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
Annotations: map[string]string{
"test-annotation": "_",
},
},
},
},
{
name: "With different annotations",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
Annotations: map[string]string{
"test-annotation": "V",
},
},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
Annotations: map[string]string{
"test-annotation": "X",
},
},
},
},
{
name: "With same subsets",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{},
},
},
{
name: "With different len of subsets",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{}},
},
want: true,
},
{
name: "With same subsets with same len of addresses",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{},
}},
},
},
{
name: "With same subsets with different len of addresses",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{}},
}},
},
want: true,
},
{
name: "With same subsets with same len of ports",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{},
}},
},
},
{
name: "With same subsets with different len of ports",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{}},
}},
},
want: true,
},
{
name: "With same subsets with same len of addresses with same ip",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{
IP: "10.10.10.10",
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{
IP: "10.10.10.10",
}},
}},
},
},
{
name: "With same subsets with same len of addresses with different ip",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{
IP: "10.10.10.10",
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{
IP: "10.10.10.42",
}},
}},
},
want: true,
},
{
name: "With same subsets with same len of addresses with same hostname",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{
Hostname: "foo",
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{
Hostname: "foo",
}},
}},
},
},
{
name: "With same subsets with same len of addresses with same hostname",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{
Hostname: "foo",
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{
Hostname: "bar",
}},
}},
},
want: true,
},
{
name: "With same subsets with same len of port with same name",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Name: "foo",
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Name: "foo",
}},
}},
},
},
{
name: "With same subsets with same len of port with different name",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Name: "foo",
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Name: "bar",
}},
}},
},
want: true,
},
{
name: "With same subsets with same len of port with same port",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Port: 4242,
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Port: 4242,
}},
}},
},
},
{
name: "With same subsets with same len of port with different port",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Port: 4242,
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Port: 6969,
}},
}},
},
want: true,
},
{
name: "With same subsets with same len of port with same protocol",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Protocol: "HTTP",
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Protocol: "HTTP",
}},
}},
},
},
{
name: "With same subsets with same len of port with different protocol",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Protocol: "HTTP",
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Ports: []corev1.EndpointPort{{
Protocol: "TCP",
}},
}},
},
want: true,
},
{
name: "With same subsets with same subset",
oldObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "1",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{
IP: "10.10.10.10",
Hostname: "foo",
}},
Ports: []corev1.EndpointPort{{
Name: "bar",
Port: 4242,
Protocol: "HTTP",
}},
}},
},
newObj: &corev1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
ResourceVersion: "2",
},
Subsets: []corev1.EndpointSubset{{
Addresses: []corev1.EndpointAddress{{
IP: "10.10.10.10",
Hostname: "foo",
}},
Ports: []corev1.EndpointPort{{
Name: "bar",
Port: 4242,
Protocol: "HTTP",
}},
}},
},
},
}
for _, test := range tests {
test := test
t.Run(test.name, func(t *testing.T) {
t.Parallel()
assert.Equal(t, test.want, objChanged(test.oldObj, test.newObj))
})
}
}