-
Notifications
You must be signed in to change notification settings - Fork 67
/
target.go
41 lines (36 loc) · 1.41 KB
/
target.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
/*
* Copyright 2019 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
*
*/
package provider
import (
"fmt"
"net"
"github.com/gardener/external-dns-management/pkg/dns"
dnsutils "github.com/gardener/external-dns-management/pkg/dns/utils"
)
type Target = dnsutils.Target
type Targets = dnsutils.Targets
func NewHostTargetFromEntryVersion(name string, entry *EntryVersion) (Target, error) {
ip := net.ParseIP(name)
if ip == nil {
return dnsutils.NewTarget(dns.RS_CNAME, name, entry.TTL()), nil
} else if ip.To4() != nil {
return dnsutils.NewTarget(dns.RS_A, name, entry.TTL()), nil
} else if ip.To16() != nil {
return dnsutils.NewTarget(dns.RS_AAAA, name, entry.TTL()), nil
} else {
return nil, fmt.Errorf("unexpected IP address (never ipv4 or ipv6): %s (%s)", ip.String(), name)
}
}