mirror of
https://github.com/kubernetes-sigs/external-dns.git
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c3f0cd668f
Implements create & delete of regional hostnames for A, AAAA & CNAME records. Implements "external-dns.alpha.kubernetes.io/cloudflare-region-key" annotation.
357 lines
11 KiB
Go
357 lines
11 KiB
Go
/*
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Copyright 2017 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 source
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import (
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"fmt"
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"strconv"
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"testing"
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"github.com/stretchr/testify/assert"
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"sigs.k8s.io/external-dns/endpoint"
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)
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func TestGetTTLFromAnnotations(t *testing.T) {
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for _, tc := range []struct {
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title string
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annotations map[string]string
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expectedTTL endpoint.TTL
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}{
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{
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title: "TTL annotation not present",
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annotations: map[string]string{"foo": "bar"},
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expectedTTL: endpoint.TTL(0),
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},
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{
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title: "TTL annotation value is not a number",
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annotations: map[string]string{ttlAnnotationKey: "foo"},
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expectedTTL: endpoint.TTL(0),
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},
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{
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title: "TTL annotation value is empty",
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annotations: map[string]string{ttlAnnotationKey: ""},
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expectedTTL: endpoint.TTL(0),
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},
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{
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title: "TTL annotation value is negative number",
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annotations: map[string]string{ttlAnnotationKey: "-1"},
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expectedTTL: endpoint.TTL(0),
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},
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{
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title: "TTL annotation value is too high",
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annotations: map[string]string{ttlAnnotationKey: fmt.Sprintf("%d", 1<<32)},
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expectedTTL: endpoint.TTL(0),
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},
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{
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title: "TTL annotation value is set correctly using integer",
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annotations: map[string]string{ttlAnnotationKey: "60"},
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expectedTTL: endpoint.TTL(60),
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},
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{
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title: "TTL annotation value is set correctly using duration (whole)",
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annotations: map[string]string{ttlAnnotationKey: "10m"},
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expectedTTL: endpoint.TTL(600),
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},
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{
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title: "TTL annotation value is set correctly using duration (fractional)",
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annotations: map[string]string{ttlAnnotationKey: "20.5s"},
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expectedTTL: endpoint.TTL(20),
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},
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} {
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t.Run(tc.title, func(t *testing.T) {
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ttl := getTTLFromAnnotations(tc.annotations, "resource/test")
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assert.Equal(t, tc.expectedTTL, ttl)
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})
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}
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}
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func TestSuitableType(t *testing.T) {
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for _, tc := range []struct {
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target, recordType, expected string
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}{
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{"8.8.8.8", "", "A"},
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{"2001:db8::1", "", "AAAA"},
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{"::ffff:c0a8:101", "", "AAAA"},
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{"foo.example.org", "", "CNAME"},
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{"bar.eu-central-1.elb.amazonaws.com", "", "CNAME"},
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} {
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recordType := suitableType(tc.target)
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if recordType != tc.expected {
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t.Errorf("expected %s, got %s", tc.expected, recordType)
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}
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}
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}
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func TestGetProviderSpecificCloudflareAnnotations(t *testing.T) {
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for _, tc := range []struct {
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title string
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annotations map[string]string
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expectedKey string
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expectedValue bool
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}{
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{
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title: "Cloudflare proxied annotation is set correctly to true",
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annotations: map[string]string{CloudflareProxiedKey: "true"},
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expectedKey: CloudflareProxiedKey,
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expectedValue: true,
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},
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{
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title: "Cloudflare proxied annotation is set correctly to false",
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annotations: map[string]string{CloudflareProxiedKey: "false"},
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expectedKey: CloudflareProxiedKey,
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expectedValue: false,
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},
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{
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title: "Cloudflare proxied annotation among another annotations is set correctly to true",
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annotations: map[string]string{
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"random annotation 1": "random value 1",
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CloudflareProxiedKey: "false",
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"random annotation 2": "random value 2",
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},
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expectedKey: CloudflareProxiedKey,
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expectedValue: false,
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},
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} {
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t.Run(tc.title, func(t *testing.T) {
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providerSpecificAnnotations, _ := getProviderSpecificAnnotations(tc.annotations)
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for _, providerSpecificAnnotation := range providerSpecificAnnotations {
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if providerSpecificAnnotation.Name == tc.expectedKey {
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assert.Equal(t, strconv.FormatBool(tc.expectedValue), providerSpecificAnnotation.Value)
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return
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}
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}
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t.Errorf("Cloudflare provider specific annotation %s is not set correctly to %v", tc.expectedKey, tc.expectedValue)
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})
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}
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for _, tc := range []struct {
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title string
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annotations map[string]string
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expectedKey string
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expectedValue string
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}{
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{
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title: "Cloudflare custom hostname annotation is set correctly",
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annotations: map[string]string{CloudflareCustomHostnameKey: "a.foo.fancybar.com"},
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expectedKey: CloudflareCustomHostnameKey,
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expectedValue: "a.foo.fancybar.com",
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},
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{
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title: "Cloudflare custom hostname annotation among another annotations is set correctly",
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annotations: map[string]string{
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"random annotation 1": "random value 1",
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CloudflareCustomHostnameKey: "a.foo.fancybar.com",
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"random annotation 2": "random value 2"},
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expectedKey: CloudflareCustomHostnameKey,
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expectedValue: "a.foo.fancybar.com",
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},
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} {
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t.Run(tc.title, func(t *testing.T) {
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providerSpecificAnnotations, _ := getProviderSpecificAnnotations(tc.annotations)
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for _, providerSpecificAnnotation := range providerSpecificAnnotations {
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if providerSpecificAnnotation.Name == tc.expectedKey {
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assert.Equal(t, tc.expectedValue, providerSpecificAnnotation.Value)
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return
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}
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}
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t.Errorf("Cloudflare provider specific annotation %s is not set correctly to %s", tc.expectedKey, tc.expectedValue)
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})
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}
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for _, tc := range []struct {
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title string
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annotations map[string]string
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expectedKey string
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expectedValue string
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}{
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{
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title: "Cloudflare region key annotation is set correctly",
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annotations: map[string]string{CloudflareRegionKey: "us"},
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expectedKey: CloudflareRegionKey,
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expectedValue: "us",
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},
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{
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title: "Cloudflare region key annotation among another annotations is set correctly",
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annotations: map[string]string{
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"random annotation 1": "random value 1",
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CloudflareRegionKey: "us",
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"random annotation 2": "random value 2",
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},
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expectedKey: CloudflareRegionKey,
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expectedValue: "us",
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},
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} {
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t.Run(tc.title, func(t *testing.T) {
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providerSpecificAnnotations, _ := getProviderSpecificAnnotations(tc.annotations)
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for _, providerSpecificAnnotation := range providerSpecificAnnotations {
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if providerSpecificAnnotation.Name == tc.expectedKey {
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assert.Equal(t, tc.expectedValue, providerSpecificAnnotation.Value)
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return
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}
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}
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t.Errorf("Cloudflare provider specific annotation %s is not set correctly to %v", tc.expectedKey, tc.expectedValue)
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})
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}
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}
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func TestGetProviderSpecificAliasAnnotations(t *testing.T) {
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for _, tc := range []struct {
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title string
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annotations map[string]string
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expectedKey string
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expectedValue bool
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}{
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{
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title: "alias annotation is set correctly to true",
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annotations: map[string]string{aliasAnnotationKey: "true"},
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expectedKey: aliasAnnotationKey,
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expectedValue: true,
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},
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{
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title: "alias annotation among another annotations is set correctly to true",
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annotations: map[string]string{
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"random annotation 1": "random value 1",
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aliasAnnotationKey: "true",
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"random annotation 2": "random value 2",
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},
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expectedKey: aliasAnnotationKey,
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expectedValue: true,
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},
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} {
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t.Run(tc.title, func(t *testing.T) {
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providerSpecificAnnotations, _ := getProviderSpecificAnnotations(tc.annotations)
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for _, providerSpecificAnnotation := range providerSpecificAnnotations {
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if providerSpecificAnnotation.Name == "alias" {
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assert.Equal(t, strconv.FormatBool(tc.expectedValue), providerSpecificAnnotation.Value)
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return
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}
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}
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t.Errorf("provider specific annotation alias is not set correctly to %v", tc.expectedValue)
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})
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}
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for _, tc := range []struct {
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title string
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annotations map[string]string
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}{
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{
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title: "alias annotation is set to false",
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annotations: map[string]string{aliasAnnotationKey: "false"},
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},
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{
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title: "alias annotation is not set",
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annotations: map[string]string{
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"random annotation 1": "random value 1",
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"random annotation 2": "random value 2",
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},
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},
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} {
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t.Run(tc.title, func(t *testing.T) {
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providerSpecificAnnotations, _ := getProviderSpecificAnnotations(tc.annotations)
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for _, providerSpecificAnnotation := range providerSpecificAnnotations {
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if providerSpecificAnnotation.Name == "alias" {
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t.Error("provider specific annotation alias is not expected to be set")
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}
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}
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})
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}
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}
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func TestGetProviderSpecificIdentifierAnnotations(t *testing.T) {
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for _, tc := range []struct {
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title string
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annotations map[string]string
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expectedResult map[string]string
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expectedIdentifier string
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}{
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{
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title: "aws- provider specific annotations are set correctly",
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annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/aws-annotation-1": "value 1",
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SetIdentifierKey: "id1",
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"external-dns.alpha.kubernetes.io/aws-annotation-2": "value 2",
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},
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expectedResult: map[string]string{
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"aws/annotation-1": "value 1",
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"aws/annotation-2": "value 2",
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},
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expectedIdentifier: "id1",
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},
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{
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title: "scw- provider specific annotations are set correctly",
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annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/scw-annotation-1": "value 1",
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SetIdentifierKey: "id1",
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"external-dns.alpha.kubernetes.io/scw-annotation-2": "value 2",
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},
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expectedResult: map[string]string{
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"scw/annotation-1": "value 1",
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"scw/annotation-2": "value 2",
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},
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expectedIdentifier: "id1",
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},
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{
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title: "ibmcloud- provider specific annotations are set correctly",
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annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/ibmcloud-annotation-1": "value 1",
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SetIdentifierKey: "id1",
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"external-dns.alpha.kubernetes.io/ibmcloud-annotation-2": "value 2",
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},
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expectedResult: map[string]string{
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"ibmcloud-annotation-1": "value 1",
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"ibmcloud-annotation-2": "value 2",
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},
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expectedIdentifier: "id1",
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},
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{
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title: "webhook- provider specific annotations are set correctly",
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annotations: map[string]string{
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"external-dns.alpha.kubernetes.io/webhook-annotation-1": "value 1",
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SetIdentifierKey: "id1",
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"external-dns.alpha.kubernetes.io/webhook-annotation-2": "value 2",
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},
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expectedResult: map[string]string{
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"webhook/annotation-1": "value 1",
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"webhook/annotation-2": "value 2",
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},
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expectedIdentifier: "id1",
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},
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} {
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t.Run(tc.title, func(t *testing.T) {
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providerSpecificAnnotations, identifier := getProviderSpecificAnnotations(tc.annotations)
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assert.Equal(t, tc.expectedIdentifier, identifier)
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for expectedAnnotationKey, expectedAnnotationValue := range tc.expectedResult {
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expectedResultFound := false
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for _, providerSpecificAnnotation := range providerSpecificAnnotations {
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if providerSpecificAnnotation.Name == expectedAnnotationKey {
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assert.Equal(t, expectedAnnotationValue, providerSpecificAnnotation.Value)
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expectedResultFound = true
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break
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}
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}
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if !expectedResultFound {
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t.Errorf("provider specific annotation %s has not been set", expectedAnnotationKey)
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}
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}
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})
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}
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}
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