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* feat:support polaris tps limiter * feat:support polaris tps limiter * feat:support polaris limit ability * feat:support polaris limit ability * feat:support polaris limit ability * feat:support polaris limit ability
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
||
| package constant | ||
|
|
||
| const ( | ||
| PolarisKey = "polaris" | ||
| PolarisDefaultRoleType = 3 | ||
| PolarisServiceToken = "token" | ||
| PolarisServiceNameSeparator = ":" | ||
| PolarisDubboPath = "DUBBOPATH" | ||
| PolarisInstanceID = "polaris.instanceID" | ||
| PolarisDefaultNamespace = "default" | ||
| PolarisDubboGroup = "dubbo.group" | ||
| PolarisClientName = "polaris-client" | ||
| ) | ||
|
|
||
| const ( | ||
| PluginPolarisTpsLimiter = "polaris-limit" | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| /* | ||
| * 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 limit | ||
|
|
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| import ( | ||
| "dubbo.apache.org/dubbo-go/v3/common/constant" | ||
| "dubbo.apache.org/dubbo-go/v3/common/extension" | ||
| "dubbo.apache.org/dubbo-go/v3/filter" | ||
| ) | ||
|
|
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| func init() { | ||
| extension.SetTpsLimiter(constant.PluginPolarisTpsLimiter, func() filter.TpsLimiter { | ||
| return &polarisTpsLimiter{} | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,167 @@ | ||
| /* | ||
| * 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 limit | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "time" | ||
| ) | ||
|
|
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| import ( | ||
| "github.com/dubbogo/gost/log/logger" | ||
|
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| "github.com/polarismesh/polaris-go" | ||
| "github.com/polarismesh/polaris-go/pkg/flow/data" | ||
| "github.com/polarismesh/polaris-go/pkg/model" | ||
| v1 "github.com/polarismesh/polaris-go/pkg/model/pb/v1" | ||
| ) | ||
|
|
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| import ( | ||
| "dubbo.apache.org/dubbo-go/v3/common" | ||
| "dubbo.apache.org/dubbo-go/v3/common/constant" | ||
| "dubbo.apache.org/dubbo-go/v3/config" | ||
| "dubbo.apache.org/dubbo-go/v3/protocol" | ||
| remotingpolaris "dubbo.apache.org/dubbo-go/v3/remoting/polaris" | ||
| "dubbo.apache.org/dubbo-go/v3/remoting/polaris/parser" | ||
| ) | ||
|
|
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| type polarisTpsLimiter struct { | ||
| limitApi polaris.LimitAPI | ||
| } | ||
|
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| func (pl *polarisTpsLimiter) IsAllowable(url *common.URL, invocation protocol.Invocation) bool { | ||
| var err error | ||
|
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| pl.limitApi, err = remotingpolaris.GetLimiterAPI() | ||
| if err != nil { | ||
| logger.Error("[TpsLimiter][Polaris] create polaris LimitAPI fail : %+v", err) | ||
| return true | ||
| } | ||
|
|
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| req := pl.buildQuotaRequest(url, invocation) | ||
| if req == nil { | ||
| return true | ||
| } | ||
| logger.Debugf("[TpsLimiter][Polaris] quota req : %+v", req) | ||
|
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| resp, err := pl.limitApi.GetQuota(req) | ||
| if err != nil { | ||
| logger.Error("[TpsLimiter][Polaris] ns:%s svc:%s get quota fail : %+v", remotingpolaris.GetNamespace(), url.Service(), err) | ||
| return true | ||
| } | ||
|
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| return resp.Get().Code == model.QuotaResultOk | ||
| } | ||
|
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| func (pl *polarisTpsLimiter) buildQuotaRequest(url *common.URL, invoaction protocol.Invocation) polaris.QuotaRequest { | ||
| ns := remotingpolaris.GetNamespace() | ||
| applicationMode := false | ||
| for _, item := range config.GetRootConfig().Registries { | ||
| if item.Protocol == constant.PolarisKey { | ||
| applicationMode = item.RegistryType == constant.ServiceKey | ||
| } | ||
| } | ||
|
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| svc := "providers:" + url.Service() | ||
| method := invoaction.MethodName() | ||
| if applicationMode { | ||
| svc = config.GetApplicationConfig().Name | ||
| method = url.Interface() + "/" + invoaction.MethodName() | ||
| } | ||
|
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| req := polaris.NewQuotaRequest() | ||
| req.SetNamespace(ns) | ||
| req.SetService(svc) | ||
| req.SetMethod(method) | ||
|
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| matchs, ok := pl.buildArguments(req.(*model.QuotaRequestImpl)) | ||
| if !ok { | ||
| return nil | ||
| } | ||
|
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| attachement := invoaction.Attachments() | ||
| arguments := invoaction.Arguments() | ||
|
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| for i := range matchs { | ||
| item := matchs[i] | ||
| switch item.GetType() { | ||
| case v1.MatchArgument_HEADER: | ||
| if val, ok := attachement[item.GetKey()]; ok { | ||
| req.AddArgument(model.BuildHeaderArgument(item.GetKey(), fmt.Sprintf("%+v", val))) | ||
| } | ||
| case v1.MatchArgument_QUERY: | ||
| if val := parser.ParseArgumentsByExpression(item.GetKey(), arguments); val != nil { | ||
| req.AddArgument(model.BuildQueryArgument(item.GetKey(), fmt.Sprintf("%+v", val))) | ||
| } | ||
| case v1.MatchArgument_CALLER_IP: | ||
| callerIp := url.GetParam(constant.RemoteAddr, "") | ||
| if len(callerIp) != 0 { | ||
| req.AddArgument(model.BuildCallerIPArgument(callerIp)) | ||
| } | ||
| case model.ArgumentTypeCallerService: | ||
| } | ||
| } | ||
|
|
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| return req | ||
| } | ||
|
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| func (pl *polarisTpsLimiter) buildArguments(req *model.QuotaRequestImpl) ([]*v1.MatchArgument, bool) { | ||
| engine := pl.limitApi.SDKContext().GetEngine() | ||
|
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| getRuleReq := &data.CommonRateLimitRequest{ | ||
| DstService: model.ServiceKey{ | ||
| Namespace: req.GetNamespace(), | ||
| Service: req.GetService(), | ||
| }, | ||
| Trigger: model.NotifyTrigger{ | ||
| EnableDstRateLimit: true, | ||
| }, | ||
| ControlParam: model.ControlParam{ | ||
| Timeout: time.Millisecond * 500, | ||
| }, | ||
| } | ||
|
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| if err := engine.SyncGetResources(getRuleReq); err != nil { | ||
| logger.Error("[TpsLimiter][Polaris] ns:%s svc:%s get RateLimit Rule fail : %+v", req.GetNamespace(), req.GetService(), err) | ||
| return nil, false | ||
| } | ||
|
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| svcRule := getRuleReq.RateLimitRule | ||
| if svcRule == nil || svcRule.GetValue() == nil { | ||
| logger.Warnf("[TpsLimiter][Polaris] ns:%s svc:%s get RateLimit Rule is nil", req.GetNamespace(), req.GetService()) | ||
| return nil, false | ||
| } | ||
|
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| rules, ok := svcRule.GetValue().(*v1.RateLimit) | ||
| if !ok { | ||
| logger.Error("[TpsLimiter][Polaris] ns:%s svc:%s get RateLimit Rule invalid", req.GetNamespace(), req.GetService()) | ||
| return nil, false | ||
| } | ||
|
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| ret := make([]*v1.MatchArgument, 0, 4) | ||
| for i := range rules.GetRules() { | ||
| rule := rules.GetRules()[i] | ||
| if len(rule.GetArguments()) == 0 { | ||
| continue | ||
| } | ||
|
|
||
| ret = append(ret, rule.Arguments...) | ||
| } | ||
|
|
||
| return ret, true | ||
| } |
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