mirror of
https://github.com/alibaba/higress.git
synced 2026-03-16 08:20:45 +08:00
116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
// Copyright (c) 2022 Alibaba Group Holding Ltd.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package util
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import (
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"bytes"
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"crypto/md5"
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"encoding/hex"
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"errors"
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"fmt"
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"os"
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"path"
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"strings"
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"github.com/golang/protobuf/jsonpb"
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"github.com/golang/protobuf/proto"
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_struct "github.com/golang/protobuf/ptypes/struct"
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"istio.io/istio/pkg/cluster"
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"k8s.io/apimachinery/pkg/types"
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. "github.com/alibaba/higress/pkg/ingress/log"
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)
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const (
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DefaultDomainSuffix = "cluster.local"
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// IngressClassAnnotation is the annotation on ingress resources for the class of controllers
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// responsible for it
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IngressClassAnnotation = "kubernetes.io/ingress.class"
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)
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var domainSuffix = os.Getenv("DOMAIN_SUFFIX")
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type ClusterNamespacedName struct {
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types.NamespacedName
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ClusterId cluster.ID
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}
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func (c ClusterNamespacedName) String() string {
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return c.ClusterId.String() + "/" + c.NamespacedName.String()
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}
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func GetDomainSuffix() string {
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if len(domainSuffix) != 0 {
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return domainSuffix
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}
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return DefaultDomainSuffix
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}
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func SplitNamespacedName(name string) types.NamespacedName {
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nsName := strings.Split(name, "/")
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if len(nsName) == 2 {
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return types.NamespacedName{
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Namespace: nsName[0],
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Name: nsName[1],
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}
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}
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return types.NamespacedName{
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Name: nsName[0],
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}
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}
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// CreateDestinationRuleName create the same format of DR name with ops.
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func CreateDestinationRuleName(istioCluster cluster.ID, namespace, name string) string {
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format := path.Join(istioCluster.String(), namespace, name)
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hash := md5.Sum([]byte(format))
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return hex.EncodeToString(hash[:])
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}
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func MessageToStruct(msg proto.Message) (*_struct.Struct, error) {
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if msg == nil {
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return nil, errors.New("nil message")
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}
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buf := &bytes.Buffer{}
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if err := (&jsonpb.Marshaler{OrigName: true}).Marshal(buf, msg); err != nil {
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return nil, err
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}
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pbs := &_struct.Struct{}
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if err := jsonpb.Unmarshal(buf, pbs); err != nil {
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return nil, err
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}
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return pbs, nil
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}
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func CreateServiceFQDN(namespace, name string) string {
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if domainSuffix == "" {
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domainSuffix = DefaultDomainSuffix
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}
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return fmt.Sprintf("%s.%s.svc.%s", name, namespace, domainSuffix)
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}
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func BuildPatchStruct(config string) *_struct.Struct {
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val := &_struct.Struct{}
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err := jsonpb.Unmarshal(strings.NewReader(config), val)
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if err != nil {
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IngressLog.Errorf("build patch struct failed, err:%v", err)
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}
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return val
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}
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