| // Copyright Istio 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 ( |
| "github.com/apache/dubbo-go-pixiu/pilot/pkg/model" |
| "github.com/apache/dubbo-go-pixiu/pkg/config" |
| "github.com/apache/dubbo-go-pixiu/pkg/config/schema/gvk" |
| ) |
| |
| type RdsGenerator struct { |
| Server *DiscoveryServer |
| } |
| |
| var _ model.XdsResourceGenerator = &RdsGenerator{} |
| |
| // Map of all configs that do not impact RDS |
| var skippedRdsConfigs = map[config.GroupVersionKind]struct{}{ |
| gvk.WorkloadEntry: {}, |
| gvk.WorkloadGroup: {}, |
| gvk.AuthorizationPolicy: {}, |
| gvk.RequestAuthentication: {}, |
| gvk.PeerAuthentication: {}, |
| gvk.Secret: {}, |
| gvk.WasmPlugin: {}, |
| gvk.Telemetry: {}, |
| gvk.ProxyConfig: {}, |
| } |
| |
| func rdsNeedsPush(req *model.PushRequest) bool { |
| if req == nil { |
| return true |
| } |
| if !req.Full { |
| // RDS only handles full push |
| return false |
| } |
| // If none set, we will always push |
| if len(req.ConfigsUpdated) == 0 { |
| return true |
| } |
| for config := range req.ConfigsUpdated { |
| if _, f := skippedRdsConfigs[config.Kind]; !f { |
| return true |
| } |
| } |
| return false |
| } |
| |
| func (c RdsGenerator) Generate(proxy *model.Proxy, w *model.WatchedResource, req *model.PushRequest) (model.Resources, model.XdsLogDetails, error) { |
| if !rdsNeedsPush(req) { |
| return nil, model.DefaultXdsLogDetails, nil |
| } |
| resources, logDetails := c.Server.ConfigGenerator.BuildHTTPRoutes(proxy, req, w.ResourceNames) |
| return resources, logDetails, nil |
| } |