mirror of
https://github.com/kubernetes-sigs/external-dns.git
synced 2025-08-06 01:26:59 +02:00
e5f21ad32a
* feat(google): auto-detect and multiple zone support * chore: run gofmt with the simplified command * fix: pass desired domain to google provider * feat(google): correctly auto-detect records for sub-zones * chore: update changelog with support for multiple zones in google * fix(google): don't append traling dot to TXT records * ref(provider): extract hostname sanitization to general provider
53 lines
1.5 KiB
Go
53 lines
1.5 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 provider
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import (
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"net"
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"strings"
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"github.com/kubernetes-incubator/external-dns/endpoint"
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"github.com/kubernetes-incubator/external-dns/plan"
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)
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// Provider defines the interface DNS providers should implement.
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type Provider interface {
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Records(zone string) ([]*endpoint.Endpoint, error)
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ApplyChanges(zone string, changes *plan.Changes) error
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}
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// suitableType returns the DNS resource record type suitable for the target.
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// In this case type A for IPs and type CNAME for everything else.
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func suitableType(ep *endpoint.Endpoint) string {
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if ep.RecordType != "" {
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return ep.RecordType
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}
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if net.ParseIP(ep.Target) != nil {
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return "A"
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}
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return "CNAME"
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}
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// ensureTrailingDot ensures that the hostname receives a trailing dot if it hasn't already.
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func ensureTrailingDot(hostname string) string {
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if net.ParseIP(hostname) != nil {
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return hostname
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}
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return strings.TrimSuffix(hostname, ".") + "."
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}
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