mirror of https://github.com/kubernetes/kops.git
59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
/*
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Copyright 2019 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 dns
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type RecordType string
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const (
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// RecordTypeAlias is unusual: the controller will try to resolve the target locally
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RecordTypeAlias = "_alias"
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RecordTypeA = "A"
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RecordTypeCNAME = "CNAME"
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RoleTypeExternal = "external"
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RoleTypeInternal = "internal"
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)
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type Record struct {
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RecordType RecordType
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FQDN string
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Value string
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// If AliasTarget is set, this entry will not actually be set in DNS,
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// but will be used as an expansion for Records with type=RecordTypeAlias,
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// where the referring record has Value = our FQDN
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AliasTarget bool
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}
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// AliasForNodesInRole returns the alias for nodes in the given role
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func AliasForNodesInRole(role, roleType string) string {
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return "node/role=" + role + "/" + roleType
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}
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func (r *Record) String() string {
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s := "Record:[Type=" + string(r.RecordType) + ",FQDN=" + r.FQDN + ",Value=" + r.Value
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if r.AliasTarget {
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s += ",AliasTarget"
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}
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s += "]"
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return s
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}
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