Istio/XDS support #1804
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
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| package meshrouter | ||
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| import ( | ||
| "dubbo.apache.org/dubbo-go/v3/cluster/router" | ||
| "dubbo.apache.org/dubbo-go/v3/common/constant" | ||
| "dubbo.apache.org/dubbo-go/v3/common/extension" | ||
| ) | ||
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| func init() { | ||
| extension.SetRouterFactory(constant.MeshRouterFactoryKey, NewMeshRouterFactory) | ||
| } | ||
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| // UniformRouteFactory is uniform router's factory | ||
| type MeshRouterFactory struct{} | ||
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| // NewMeshRouterFactory constructs a new PriorityRouterFactory | ||
| func NewMeshRouterFactory() router.PriorityRouterFactory { | ||
| return &MeshRouterFactory{} | ||
| } | ||
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| // NewPriorityRouter construct a new UniformRouteFactory as PriorityRouter | ||
| func (f *MeshRouterFactory) NewPriorityRouter() (router.PriorityRouter, error) { | ||
| return NewMeshRouter() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,185 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
|
|
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| package meshrouter | ||
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| import ( | ||
| "bytes" | ||
| "math/rand" | ||
| "strings" | ||
| ) | ||
|
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| import ( | ||
| "dubbo.apache.org/dubbo-go/v3/cluster/router" | ||
| "dubbo.apache.org/dubbo-go/v3/common" | ||
| "dubbo.apache.org/dubbo-go/v3/common/constant" | ||
| "dubbo.apache.org/dubbo-go/v3/common/logger" | ||
| "dubbo.apache.org/dubbo-go/v3/config_center" | ||
| "dubbo.apache.org/dubbo-go/v3/protocol" | ||
| "dubbo.apache.org/dubbo-go/v3/remoting/xds" | ||
| "dubbo.apache.org/dubbo-go/v3/xds/client/resource" | ||
| "dubbo.apache.org/dubbo-go/v3/xds/utils/resolver" | ||
| ) | ||
|
|
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| const ( | ||
| name = "mesh-router" | ||
| ) | ||
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| // MeshRouter have | ||
| type MeshRouter struct { | ||
| client *xds.WrappedClientImpl | ||
| } | ||
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| // NewMeshRouter construct an NewConnCheckRouter via url | ||
| func NewMeshRouter() (router.PriorityRouter, error) { | ||
| xdsWrappedClient := xds.GetXDSWrappedClient() | ||
| if xdsWrappedClient == nil { | ||
| logger.Debugf("[Mesh Router] xds wrapped client is not created.") | ||
| } | ||
| return &MeshRouter{ | ||
| client: xdsWrappedClient, | ||
| }, nil | ||
| } | ||
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| // Route gets a list of routed invoker | ||
| func (r *MeshRouter) Route(invokers []protocol.Invoker, url *common.URL, invocation protocol.Invocation) []protocol.Invoker { | ||
| if r.client == nil { | ||
| return invokers | ||
| } | ||
| hostAddr, err := r.client.GetHostAddrByServiceUniqueKey(getSubscribeName(url)) | ||
| if err != nil { | ||
| // todo deal with error | ||
| return nil | ||
| } | ||
| rconf := r.client.GetRouterConfig(hostAddr) | ||
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| clusterInvokerMap := make(map[string][]protocol.Invoker) | ||
| for _, v := range invokers { | ||
| meshClusterId := v.GetURL().GetParam(constant.MeshClusterIDKey, "") | ||
| if _, ok := clusterInvokerMap[meshClusterId]; !ok { | ||
| clusterInvokerMap[meshClusterId] = make([]protocol.Invoker, 0) | ||
| } | ||
| clusterInvokerMap[meshClusterId] = append(clusterInvokerMap[meshClusterId], v) | ||
| } | ||
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| if len(rconf.VirtualHosts) != 0 { | ||
| // try to route to sub virtual host | ||
| for _, vh := range rconf.VirtualHosts { | ||
| // 1. match domain | ||
| //vh.Domains == ["*"] | ||
|
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| // 2. match http route | ||
| for _, r := range vh.Routes { | ||
| //route. | ||
| ctx := invocation.ToContext() | ||
| matcher, err := resource.RouteToMatcher(r) | ||
| if err != nil { | ||
| panic(err) | ||
|
There was a problem hiding this comment. panic 不能随便用，这里确实有必要使用 panic 吗？ |
||
| } | ||
| if matcher.Match(resolver.RPCInfo{ | ||
| Context: ctx, | ||
| Method: "/" + invocation.MethodName(), | ||
| }) { | ||
| // Loop through routes in order and select first match. | ||
| if r == nil || r.WeightedClusters == nil { | ||
| panic("cluster notfound") | ||
| } | ||
| invokersWeightPairs := make(invokerWeightPairs, 0) | ||
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| for clusterId, weight := range r.WeightedClusters { | ||
| // cluster -> invokers | ||
| targetInvokers := clusterInvokerMap[clusterId] | ||
| invokersWeightPairs = append(invokersWeightPairs, invokerWeightPair{ | ||
| invokers: targetInvokers, | ||
| weight: weight.Weight, | ||
| }) | ||
| } | ||
| return invokersWeightPairs.GetInvokers() | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return invokers | ||
| } | ||
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| // Process there is no process needs for uniform Router, as it upper struct RouterChain has done it | ||
| func (r *MeshRouter) Process(event *config_center.ConfigChangeEvent) { | ||
| } | ||
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| // Name get name of ConnCheckerRouter | ||
| func (r *MeshRouter) Name() string { | ||
| return name | ||
| } | ||
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| // Priority get Router priority level | ||
| func (r *MeshRouter) Priority() int64 { | ||
| return 0 | ||
| } | ||
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| // URL Return URL in router | ||
| func (r *MeshRouter) URL() *common.URL { | ||
| return nil | ||
| } | ||
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| // Notify the router the invoker list | ||
| func (r *MeshRouter) Notify(invokers []protocol.Invoker) { | ||
| } | ||
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| type invokerWeightPair struct { | ||
| invokers []protocol.Invoker | ||
| weight uint32 | ||
| } | ||
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| type invokerWeightPairs []invokerWeightPair | ||
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| func (i *invokerWeightPairs) GetInvokers() []protocol.Invoker { | ||
| if len(*i) == 0 { | ||
| return nil | ||
| } | ||
| totalWeight := uint32(0) | ||
| tempWeight := uint32(0) | ||
| for _, v := range *i { | ||
| totalWeight += v.weight | ||
| } | ||
| randFloat := rand.Float64() | ||
| for _, v := range *i { | ||
| tempWeight += v.weight | ||
| tempPercent := float64(tempWeight) / float64(totalWeight) | ||
| if tempPercent >= randFloat { | ||
| return v.invokers | ||
| } | ||
| } | ||
| return (*i)[0].invokers | ||
| } | ||
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| func getSubscribeName(url *common.URL) string { | ||
| var buffer bytes.Buffer | ||
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| buffer.Write([]byte(common.DubboNodes[common.PROVIDER])) | ||
| appendParam(&buffer, url, constant.InterfaceKey) | ||
| appendParam(&buffer, url, constant.VersionKey) | ||
| appendParam(&buffer, url, constant.GroupKey) | ||
| return buffer.String() | ||
| } | ||
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| func appendParam(target *bytes.Buffer, url *common.URL, key string) { | ||
| value := url.GetParam(key, "") | ||
| target.Write([]byte(constant.NacosServiceNameSeparator)) | ||
| if strings.TrimSpace(value) != "" { | ||
| target.Write([]byte(value)) | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
|
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| package constant | ||
|
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| const ( | ||
| MeshClusterIDKey = "meshClusterId" | ||
| MeshHostAddrKey = "meshHostAddr" | ||
| MeshSubsetKey = "meshSubset" | ||
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| MeshDeleteClusterPrefix = "-" | ||
| MeshAnyAddrMatcher = "*" | ||
| ) | ||
|
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| const ( | ||
| XDSMetadataClusterIDKey = "CLUSTER_ID" | ||
| XDSMetadataLabelsKey = "LABELS" | ||
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| XDSMetadataDefaultDomainName = "Kubernetes" | ||
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| XDSMetadataDubboGoMapperKey = "DUBBO_GO" | ||
| ) |
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我们要升级这个版本吗
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我认为升级吧。
1.15 版本不支持一些基础函数，比如os.ReadFile
开发者本地如果使用高版本，ci的时候会报错
@zhaoyunxing92
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嗯嗯
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As we discussed yesterday night, pls recover the go version.