mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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199 lines
7.0 KiB
Go
199 lines
7.0 KiB
Go
/*
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Copyright 2022 The Kubernetes 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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package service
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import (
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"reflect"
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"testing"
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"github.com/google/go-cmp/cmp"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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api "k8s.io/kubernetes/pkg/apis/core"
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)
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func TestGetWarningsForService(t *testing.T) {
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testCases := []struct {
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name string
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tweakSvc func(svc *api.Service) // Given a basic valid service, each test case can customize it.
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numWarnings int
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}{{
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name: "new topology mode set",
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tweakSvc: func(s *api.Service) {
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s.Annotations = map[string]string{api.AnnotationTopologyMode: "foo"}
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},
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numWarnings: 0,
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}, {
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name: "deprecated hints annotation set",
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tweakSvc: func(s *api.Service) {
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s.Annotations = map[string]string{api.DeprecatedAnnotationTopologyAwareHints: "foo"}
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},
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numWarnings: 1,
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}, {
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name: "externalIPs set when type is ExternalName",
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tweakSvc: func(s *api.Service) {
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s.Spec.Type = api.ServiceTypeExternalName
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s.Spec.ExternalIPs = []string{"1.2.3.4"}
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},
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numWarnings: 1,
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}, {
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name: "externalName set when type is not ExternalName",
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tweakSvc: func(s *api.Service) {
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s.Spec.Type = api.ServiceTypeClusterIP
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s.Spec.ExternalName = "example.com"
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},
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numWarnings: 1,
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}}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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svc := &api.Service{}
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tc.tweakSvc(svc)
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warnings := GetWarningsForService(svc, svc)
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if want, got := tc.numWarnings, len(warnings); got != want {
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t.Errorf("Unexpected warning list: expected %d, got %d\n%q", want, got, warnings)
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}
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})
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}
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}
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func TestGetWarningsForServiceClusterIPs(t *testing.T) {
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service := func(clusterIPs []string) *api.Service {
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svc := api.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "svc-test",
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Namespace: "ns",
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},
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Spec: api.ServiceSpec{
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Type: api.ServiceTypeClusterIP,
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},
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}
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if len(clusterIPs) > 0 {
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svc.Spec.ClusterIP = clusterIPs[0]
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svc.Spec.ClusterIPs = clusterIPs
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}
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return &svc
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}
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tests := []struct {
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name string
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service *api.Service
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oldService *api.Service
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want []string
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}{
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{
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name: "IPv4 No failures",
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service: service([]string{"192.12.2.2"}),
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},
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{
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name: "IPv6 No failures",
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service: service([]string{"2001:db8::2"}),
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},
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{
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name: "IPv4 with leading zeros",
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service: service([]string{"192.012.2.2"}),
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want: []string{
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`spec.clusterIPs[0]: non-standard IP address "192.012.2.2" will be considered invalid in a future Kubernetes release: use "192.12.2.2"`,
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},
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},
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{
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name: "Dual Stack IPv4-IPv6 and IPv4 with leading zeros",
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service: service([]string{"192.012.2.2", "2001:db8::2"}),
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want: []string{
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`spec.clusterIPs[0]: non-standard IP address "192.012.2.2" will be considered invalid in a future Kubernetes release: use "192.12.2.2"`,
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},
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},
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{
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name: "Dual Stack IPv6-IPv4 and IPv4 with leading zeros",
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service: service([]string{"2001:db8::2", "192.012.2.2"}),
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want: []string{
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`spec.clusterIPs[1]: non-standard IP address "192.012.2.2" will be considered invalid in a future Kubernetes release: use "192.12.2.2"`,
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},
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},
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{
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name: "IPv6 non canonical format",
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service: service([]string{"2001:db8:0:0::2"}),
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want: []string{
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`spec.clusterIPs[0]: IPv6 address "2001:db8:0:0::2" should be in RFC 5952 canonical format ("2001:db8::2")`,
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},
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},
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{
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name: "Dual Stack IPv4-IPv6 and IPv6 non-canonical format",
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service: service([]string{"192.12.2.2", "2001:db8:0:0::2"}),
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want: []string{
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`spec.clusterIPs[1]: IPv6 address "2001:db8:0:0::2" should be in RFC 5952 canonical format ("2001:db8::2")`,
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},
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},
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{
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name: "Dual Stack IPv6-IPv4 and IPv6 non-canonical formats",
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service: service([]string{"2001:db8:0:0::2", "192.12.2.2"}),
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want: []string{
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`spec.clusterIPs[0]: IPv6 address "2001:db8:0:0::2" should be in RFC 5952 canonical format ("2001:db8::2")`,
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},
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},
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{
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name: "Dual Stack IPv4-IPv6 and IPv4 with leading zeros and IPv6 non-canonical format",
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service: service([]string{"192.012.2.2", "2001:db8:0:0::2"}),
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want: []string{
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`spec.clusterIPs[0]: non-standard IP address "192.012.2.2" will be considered invalid in a future Kubernetes release: use "192.12.2.2"`,
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`spec.clusterIPs[1]: IPv6 address "2001:db8:0:0::2" should be in RFC 5952 canonical format ("2001:db8::2")`,
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},
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},
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{
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name: "Dual Stack IPv6-IPv4 and IPv4 with leading zeros and IPv6 non-canonical format",
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service: service([]string{"2001:db8:0:0::2", "192.012.2.2"}),
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want: []string{
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`spec.clusterIPs[0]: IPv6 address "2001:db8:0:0::2" should be in RFC 5952 canonical format ("2001:db8::2")`,
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`spec.clusterIPs[1]: non-standard IP address "192.012.2.2" will be considered invalid in a future Kubernetes release: use "192.12.2.2"`,
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},
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},
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{
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name: "Service with all IPs fields with errors",
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service: &api.Service{
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ObjectMeta: metav1.ObjectMeta{
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Name: "svc-test",
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Namespace: "ns",
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},
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Spec: api.ServiceSpec{
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ClusterIP: "2001:db8:0:0::2",
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ClusterIPs: []string{"2001:db8:0:0::2", "192.012.2.2"},
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ExternalIPs: []string{"2001:db8:1:0::2", "10.012.2.2"},
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LoadBalancerIP: "10.001.1.1",
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LoadBalancerSourceRanges: []string{"2001:db8:1:0::/64", "10.012.2.0/24"},
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Type: api.ServiceTypeClusterIP,
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},
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},
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want: []string{
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`spec.clusterIPs[0]: IPv6 address "2001:db8:0:0::2" should be in RFC 5952 canonical format ("2001:db8::2")`,
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`spec.clusterIPs[1]: non-standard IP address "192.012.2.2" will be considered invalid in a future Kubernetes release: use "192.12.2.2"`,
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`spec.externalIPs[0]: IPv6 address "2001:db8:1:0::2" should be in RFC 5952 canonical format ("2001:db8:1::2")`,
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`spec.externalIPs[1]: non-standard IP address "10.012.2.2" will be considered invalid in a future Kubernetes release: use "10.12.2.2"`,
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`spec.loadBalancerIP: non-standard IP address "10.001.1.1" will be considered invalid in a future Kubernetes release: use "10.1.1.1"`,
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`spec.loadBalancerSourceRanges[0]: IPv6 CIDR value "2001:db8:1:0::/64" should be in RFC 5952 canonical format ("2001:db8:1::/64")`,
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`spec.loadBalancerSourceRanges[1]: non-standard CIDR value "10.012.2.0/24" will be considered invalid in a future Kubernetes release: use "10.12.2.0/24"`,
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := GetWarningsForService(tt.service, tt.oldService); !reflect.DeepEqual(got, tt.want) {
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t.Errorf("GetWarningsForService() = %v", cmp.Diff(got, tt.want))
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}
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})
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}
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}
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