/
dump.go
101 lines (89 loc) · 2.93 KB
/
dump.go
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/**
* Tencent is pleased to support the open source community by making Polaris available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* 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 resource
import (
"encoding/json"
"sort"
"github.com/envoyproxy/go-control-plane/pkg/cache/types"
"github.com/envoyproxy/go-control-plane/pkg/cache/v3"
res "github.com/envoyproxy/go-control-plane/pkg/resource/v3"
"google.golang.org/protobuf/encoding/protojson"
"gopkg.in/yaml.v2"
)
func DumpSnapShotJSON(snapshot cache.ResourceSnapshot) []byte {
data, err := json.Marshal(map[string]interface{}{
"endpoints": ToJSONArray(snapshot.GetResources(res.EndpointType)),
"clusters": ToJSONArray(snapshot.GetResources(res.ClusterType)),
"routers": ToJSONArray(snapshot.GetResources(res.RouteType)),
"listeners": ToJSONArray(snapshot.GetResources(res.ListenerType)),
})
if err != nil {
return nil
}
return data
}
func YamlEncode(any interface{}) []byte {
data, err := json.Marshal(any)
if err != nil {
log.Errorf("yaml encode json marshal failed error %v", err)
return nil
}
o := make(map[string]interface{})
if err = json.Unmarshal(data, &o); err != nil {
log.Errorf("yaml encode json unmarshal failed error %v", err)
return nil
}
if data, err = yaml.Marshal(o); err != nil {
log.Errorf("yaml encode yaml marshal failed error %v", err)
return nil
}
return data
}
func ToJSONArray(resources map[string]types.Resource) []json.RawMessage {
list := make([]resouceWithName, 0, len(resources))
for name, x := range resources {
list = append(list, resouceWithName{resource: x, name: name})
}
sort.Slice(list, func(i, j int) bool {
return list[i].name < list[j].name
})
messages := make([]json.RawMessage, 0, len(resources))
for _, x := range list {
data, _ := protojson.Marshal(x.resource)
messages = append(messages, data)
}
return messages
}
func ToYamlArray(resources map[string]types.Resource) []json.RawMessage {
list := make([]resouceWithName, 0, len(resources))
for name, x := range resources {
list = append(list, resouceWithName{resource: x, name: name})
}
sort.Slice(list, func(i, j int) bool {
return list[i].name < list[j].name
})
messages := make([]json.RawMessage, 0, len(resources))
for _, x := range list {
data, _ := protojson.Marshal(x.resource)
messages = append(messages, data)
}
return messages
}
type resouceWithName struct {
resource types.Resource
name string
}