justxuewei commented on code in PR #2330: URL: https://github.com/apache/dubbo-go/pull/2330#discussion_r1292613015
########## common/match.go: ########## @@ -0,0 +1,102 @@ +/* + * 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 common + +import ( + "dubbo.apache.org/dubbo-go/v3/common/constant" + "fmt" + "net" + "regexp" + "strings" +) + +type ParamMatch struct { + Key string `yaml:"key" json:"key,omitempty" property:"key"` + Value StringMatch `yaml:"value" json:"value,omitempty" property:"value"` +} + +func (p ParamMatch) IsMatch(url *URL) bool { + return p.Value.IsMatch(url.GetParam(p.Key, "")) +} Review Comment: ```suggestion func (p *ParamMatch) IsMatch(url *URL) bool { return p.Value.IsMatch(url.GetParam(p.Key, "")) } ``` ########## cluster/router/tag/match.go: ########## @@ -99,22 +99,39 @@ func requestTag(invokers []protocol.Invoker, url *common.URL, invocation protoco var ( addresses []string result []protocol.Invoker + match []common.ParamMatch ) for _, tagCfg := range cfg.Tags { if tagCfg.Name == tag { addresses = tagCfg.Addresses + match = tagCfg.Match } } - if len(addresses) == 0 { - // filter tag does not match - result = filterInvokers(invokers, tag, func(invoker protocol.Invoker, tag interface{}) bool { - return invoker.GetURL().GetParam(constant.Tagkey, "") != tag + + // only one of 'match' and 'addresses' will take effect if both are specified. + if len(match) != 0 { + result = filterInvokers(invokers, match, func(invoker protocol.Invoker, match interface{}) bool { + matches := match.([]common.ParamMatch) + isMatch := true + for _, m := range matches { + if !m.IsMatch(invoker.GetURL()) { + isMatch = false + } + } + return !isMatch Review Comment: `isMatch` is an unnecessary variable here: ```suggestion matches := match.([]common.ParamMatch) for _, m := range matches { if !m.IsMatch(invoker.GetURL()) { return true } } return false ``` ########## common/match.go: ########## @@ -0,0 +1,102 @@ +/* + * 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 common + +import ( + "dubbo.apache.org/dubbo-go/v3/common/constant" + "fmt" + "net" + "regexp" + "strings" +) + +type ParamMatch struct { + Key string `yaml:"key" json:"key,omitempty" property:"key"` + Value StringMatch `yaml:"value" json:"value,omitempty" property:"value"` +} + +func (p ParamMatch) IsMatch(url *URL) bool { + return p.Value.IsMatch(url.GetParam(p.Key, "")) +} + +type StringMatch struct { + Exact string `yaml:"exact" json:"exact,omitempty" property:"exact"` + Prefix string `yaml:"prefix" json:"prefix,omitempty" property:"prefix"` + Regex string `yaml:"regex" json:"regex,omitempty" property:"regex"` + Noempty string `yaml:"noempty" json:"noempty,omitempty" property:"noempty"` + Empty string `yaml:"empty" json:"empty,omitempty" property:"empty"` + Wildcard string `yaml:"wildcard" json:"wildcard,omitempty" property:"wildcard"` +} + +func (p StringMatch) IsMatch(value string) bool { Review Comment: Ditto. ########## common/constant/cluster.go: ########## @@ -32,3 +32,8 @@ const ( const ( NonImportErrorMsgFormat = "Cluster for %s is not existing, make sure you have import the package." ) + +const ( + MatchCondition = "MATCH_CONDITION" + ApiVersion = "v3.0" Review Comment: ```suggestion APIVersion = "v3.0" ``` It would be better if it is named `Dubbo3APIVersion`, since the Dubbo version might be upgraded to v4.0 in the future. ########## config_center/parser/configuration_parser.go: ########## @@ -145,13 +177,15 @@ func serviceItemToUrls(item ConfigItem, config ConfiguratorConfig) ([]*common.UR if err != nil { return nil, perrors.WithStack(err) } + url.AddAttribute(constant.MatchCondition, item.Match) urls = append(urls, url) } } else { url, err := common.NewURL(urlStr) if err != nil { return nil, perrors.WithStack(err) } + url.AddAttribute(constant.MatchCondition, item.Match) Review Comment: Ditto. ########## config_center/configurator/override.go: ########## @@ -57,34 +58,63 @@ func (c *overrideConfigurator) Configure(url *common.URL) { // branch for version 2.7.x apiVersion := c.configuratorUrl.GetParam(constant.ConfigVersionKey, "") if len(apiVersion) != 0 { + var host string currentSide := url.GetParam(constant.SideKey, "") configuratorSide := c.configuratorUrl.GetParam(constant.SideKey, "") - if currentSide == configuratorSide && common.DubboRole[common.CONSUMER] == currentSide && c.configuratorUrl.Port == "0" { - localIP := common.GetLocalIp() - c.configureIfMatch(localIP, url) - } else if currentSide == configuratorSide && common.DubboRole[common.PROVIDER] == currentSide && c.configuratorUrl.Port == url.Port { - c.configureIfMatch(url.Ip, url) + if currentSide == configuratorSide && common.DubboRole[common.CONSUMER] == currentSide { + host = common.GetLocalIp() + } else if currentSide == configuratorSide && common.DubboRole[common.PROVIDER] == currentSide { + host = url.Ip + } + + if strings.HasPrefix(apiVersion, constant.ApiVersion) { + c.configureIfMatchV3(host, url) + } else { + c.configureIfMatch(host, url) } } else { // branch for version 2.6.x and less c.configureDeprecated(url) } } +// configureIfMatch +func (c *overrideConfigurator) configureIfMatchV3(host string, url *common.URL) { + conditionKeys := getConditionKeys() + matcher := c.configuratorUrl.GetAttribute(constant.MatchCondition) + if matcher != nil { + conditionMatcher := matcher.(parser.ConditionMatch) Review Comment: ```suggestion // Use a pointer to prevent extra copying conditionMatcher := matcher.(*parser.ConditionMatch) ``` ########## config_center/parser/configuration_parser.go: ########## @@ -145,13 +177,15 @@ func serviceItemToUrls(item ConfigItem, config ConfiguratorConfig) ([]*common.UR if err != nil { return nil, perrors.WithStack(err) } + url.AddAttribute(constant.MatchCondition, item.Match) Review Comment: ```suggestion url.AddAttribute(constant.MatchCondition, &item.Match) ``` ########## common/match.go: ########## @@ -0,0 +1,102 @@ +/* + * 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 common + +import ( + "dubbo.apache.org/dubbo-go/v3/common/constant" + "fmt" + "net" + "regexp" + "strings" +) + +type ParamMatch struct { + Key string `yaml:"key" json:"key,omitempty" property:"key"` + Value StringMatch `yaml:"value" json:"value,omitempty" property:"value"` +} + +func (p ParamMatch) IsMatch(url *URL) bool { + return p.Value.IsMatch(url.GetParam(p.Key, "")) +} + +type StringMatch struct { + Exact string `yaml:"exact" json:"exact,omitempty" property:"exact"` + Prefix string `yaml:"prefix" json:"prefix,omitempty" property:"prefix"` + Regex string `yaml:"regex" json:"regex,omitempty" property:"regex"` + Noempty string `yaml:"noempty" json:"noempty,omitempty" property:"noempty"` + Empty string `yaml:"empty" json:"empty,omitempty" property:"empty"` + Wildcard string `yaml:"wildcard" json:"wildcard,omitempty" property:"wildcard"` +} + +func (p StringMatch) IsMatch(value string) bool { + if p.Exact != "" { + return p.Exact == value + } else if p.Prefix != "" { + return strings.HasPrefix(value, p.Prefix) + } else if p.Regex != "" { + match, _ := regexp.MatchString(p.Regex, value) + return match + } else if p.Wildcard != "" { + return value == p.Wildcard || constant.AnyValue == p.Wildcard + } else if p.Empty != "" { + return value == "" + } else if p.Noempty != "" { + return value != "" + } + return false +} + +type AddressMatch struct { + Wildcard string `yaml:"wildcard" json:"wildcard,omitempty" property:"wildcard"` + Cird string `yaml:"cird" json:"cird,omitempty" property:"cird"` + Exact string `yaml:"exact" json:"exact,omitempty" property:"exact"` +} + +func (p AddressMatch) IsMatch(value string) bool { + if p.Cird != "" && value != "" { + _, ipnet, err := net.ParseCIDR(p.Cird) + if err != nil { + fmt.Println("Error", p.Cird, err) + return false + } + return ipnet.Contains(net.ParseIP(value)) + } + if p.Wildcard != "" && value != "" { + if constant.AnyValue == value || constant.AnyHostValue == value { + return true + } + return IsMatchGlobPattern(p.Wildcard, value) + } + if p.Exact != "" && value != "" { + return p.Exact == value + } + return false +} + +type ListStringMatch struct { + Oneof []StringMatch `yaml:"oneof" json:"oneof,omitempty" property:"oneof"` +} + +func (p ListStringMatch) IsMatch(value string) bool { Review Comment: Ditto. ########## config_center/parser/configuration_parser.go: ########## @@ -193,6 +227,7 @@ func appItemToUrls(item ConfigItem, config ConfiguratorConfig) ([]*common.URL, e if err != nil { return nil, perrors.WithStack(err) } + url.AddAttribute(constant.MatchCondition, item.Match) Review Comment: Ditto. -- This is an automated message from the Apache Git Service. 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