Files
higress/pkg/ingress/kube/util/util.go
2022-11-09 20:37:40 +08:00

85 lines
2.1 KiB
Go

// Copyright (c) 2022 Alibaba Group Holding Ltd.
//
// 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 util
import (
"bytes"
"crypto/md5"
"encoding/hex"
"errors"
"fmt"
"path"
"strings"
"github.com/gogo/protobuf/types"
"github.com/golang/protobuf/jsonpb"
"github.com/golang/protobuf/proto"
"istio.io/istio/pilot/pkg/model"
)
const DefaultDomainSuffix = "cluster.local"
type ClusterNamespacedName struct {
model.NamespacedName
ClusterId string
}
func (c ClusterNamespacedName) String() string {
return c.ClusterId + "/" + c.NamespacedName.String()
}
func SplitNamespacedName(name string) model.NamespacedName {
nsName := strings.Split(name, "/")
if len(nsName) == 2 {
return model.NamespacedName{
Namespace: nsName[0],
Name: nsName[1],
}
}
return model.NamespacedName{
Name: nsName[0],
}
}
// CreateDestinationRuleName create the same format of DR name with ops.
func CreateDestinationRuleName(istioCluster, namespace, name string) string {
format := path.Join(istioCluster, namespace, name)
hash := md5.Sum([]byte(format))
return hex.EncodeToString(hash[:])
}
func MessageToGoGoStruct(msg proto.Message) (*types.Struct, error) {
if msg == nil {
return nil, errors.New("nil message")
}
buf := &bytes.Buffer{}
if err := (&jsonpb.Marshaler{OrigName: true}).Marshal(buf, msg); err != nil {
return nil, err
}
pbs := &types.Struct{}
if err := jsonpb.Unmarshal(buf, pbs); err != nil {
return nil, err
}
return pbs, nil
}
func CreateServiceFQDN(namespace, name string) string {
return fmt.Sprintf("%s.%s.svc.%s", name, namespace, DefaultDomainSuffix)
}