Files
coredns/plugin/traffic/xds/locality.go
Miek Gieben 3de4ab3c0b Copy grpc xDS client from grpc-go
Signed-off-by: Miek Gieben <miek@miek.nl>
2020-01-10 17:18:16 +01:00

51 lines
1.3 KiB
Go

/*
*
* Copyright 2019 gRPC authors.
*
* 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
* limitations under the License.
*/
package xds
import (
"fmt"
corepb "github.com/envoyproxy/go-control-plane/envoy/api/v2/core"
)
// Locality is xds.Locality without XXX fields, so it can be used as map
// keys.
//
// xds.Locality cannot be map keys because one of the XXX fields is a slice.
//
// This struct should only be used as map keys. Use the proto message directly
// in all other places.
type LocalityID struct {
Region string
Zone string
SubZone string
}
func (l LocalityID) String() string {
return fmt.Sprintf("%s-%s-%s", l.Region, l.Zone, l.SubZone)
}
// ToProto convert Locality to the proto representation.
func (l LocalityID) ToProto() *corepb.Locality {
return &corepb.Locality{
Region: l.Region,
Zone: l.Zone,
SubZone: l.SubZone,
}
}