mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2026-04-16 21:41:18 +02:00
100 lines
3.8 KiB
Go
100 lines
3.8 KiB
Go
/*
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Copyright 2025 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 annotations
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import (
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"fmt"
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"strings"
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"sigs.k8s.io/external-dns/endpoint"
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)
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func ProviderSpecificAnnotations(annotations map[string]string) (endpoint.ProviderSpecific, string) {
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providerSpecificAnnotations := endpoint.ProviderSpecific{}
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if hasAliasFromAnnotations(annotations) {
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: "alias",
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Value: "true",
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})
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}
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if v, ok := annotations[RecordTypeKey]; ok {
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: endpoint.ProviderSpecificRecordType,
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Value: v,
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})
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}
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setIdentifier := ""
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for k, v := range annotations {
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if k == SetIdentifierKey {
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setIdentifier = v
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} else if attr, ok := strings.CutPrefix(k, AWSPrefix); ok {
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: fmt.Sprintf("aws/%s", attr),
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Value: v,
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})
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} else if attr, ok := strings.CutPrefix(k, SCWPrefix); ok {
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: fmt.Sprintf("scw/%s", attr),
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Value: v,
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})
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} else if attr, ok := strings.CutPrefix(k, WebhookPrefix); ok {
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// Support for wildcard annotations for webhook providers
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: fmt.Sprintf("webhook/%s", attr),
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Value: v,
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})
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} else if attr, ok := strings.CutPrefix(k, CoreDNSPrefix); ok {
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: fmt.Sprintf("coredns/%s", attr),
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Value: v,
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})
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} else if strings.HasPrefix(k, CloudflarePrefix) {
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// TODO: unlike other providers which normalise to "provider/attr",
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// Cloudflare retains the full annotation key as the property name
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// (e.g. "external-dns.alpha.kubernetes.io/cloudflare-proxied").
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// This is why RetainProviderProperties has a special case for cloudflare.
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// Should be aligned with the standard convention in a future change.
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switch {
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case strings.Contains(k, CloudflareCustomHostnameKey):
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: CloudflareCustomHostnameKey,
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Value: v,
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})
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case strings.Contains(k, CloudflareProxiedKey):
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: CloudflareProxiedKey,
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Value: v,
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})
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case strings.Contains(k, CloudflareRegionKey):
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: CloudflareRegionKey,
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Value: v,
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})
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case strings.Contains(k, CloudflareRecordCommentKey):
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: CloudflareRecordCommentKey,
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Value: v,
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})
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case strings.Contains(k, CloudflareTagsKey):
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providerSpecificAnnotations = append(providerSpecificAnnotations, endpoint.ProviderSpecificProperty{
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Name: CloudflareTagsKey,
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Value: v,
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})
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}
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}
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}
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return providerSpecificAnnotations, setIdentifier
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}
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