Alanxtl commented on code in PR #3320:
URL: https://github.com/apache/dubbo-go/pull/3320#discussion_r3223663719


##########
instance_options_init.go:
##########
@@ -0,0 +1,774 @@
+/*
+ * 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 dubbo
+
+import (
+       "fmt"
+       "net/url"
+       "strconv"
+       "strings"
+)
+
+import (
+       getty "github.com/apache/dubbo-getty"
+
+       "github.com/creasty/defaults"
+
+       gostlog "github.com/dubbogo/gost/log/logger"
+
+       "github.com/knadh/koanf"
+
+       "go.opentelemetry.io/otel"
+)
+
+import (
+       "dubbo.apache.org/dubbo-go/v3/common"
+       commonCfg "dubbo.apache.org/dubbo-go/v3/common/config"
+       "dubbo.apache.org/dubbo-go/v3/common/constant"
+       "dubbo.apache.org/dubbo-go/v3/common/extension"
+       "dubbo.apache.org/dubbo-go/v3/config_center"
+       aslimiter "dubbo.apache.org/dubbo-go/v3/filter/adaptivesvc/limiter"
+       "dubbo.apache.org/dubbo-go/v3/global"
+       "dubbo.apache.org/dubbo-go/v3/internal"
+       "dubbo.apache.org/dubbo-go/v3/metrics"
+       metricsConfigCenter "dubbo.apache.org/dubbo-go/v3/metrics/config_center"
+       "dubbo.apache.org/dubbo-go/v3/otel/trace"
+       "dubbo.apache.org/dubbo-go/v3/remoting"
+)
+
+const defaultTripleProtocolPort = "50051"

Review Comment:
   这个放到 "dubbo.apache.org/dubbo-go/v3/common/constant" 里面



##########
instance_options_init.go:
##########
@@ -0,0 +1,774 @@
+/*
+ * 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 dubbo
+
+import (
+       "fmt"
+       "net/url"
+       "strconv"
+       "strings"
+)
+
+import (
+       getty "github.com/apache/dubbo-getty"
+
+       "github.com/creasty/defaults"
+
+       gostlog "github.com/dubbogo/gost/log/logger"

Review Comment:
   ```suggestion
        "github.com/dubbogo/gost/log/logger"
   ```



##########
instance_options_init.go:
##########
@@ -0,0 +1,774 @@
+/*
+ * 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 dubbo
+
+import (
+       "fmt"
+       "net/url"
+       "strconv"
+       "strings"
+)
+
+import (
+       getty "github.com/apache/dubbo-getty"
+
+       "github.com/creasty/defaults"
+
+       gostlog "github.com/dubbogo/gost/log/logger"
+
+       "github.com/knadh/koanf"
+
+       "go.opentelemetry.io/otel"
+)
+
+import (
+       "dubbo.apache.org/dubbo-go/v3/common"
+       commonCfg "dubbo.apache.org/dubbo-go/v3/common/config"
+       "dubbo.apache.org/dubbo-go/v3/common/constant"
+       "dubbo.apache.org/dubbo-go/v3/common/extension"
+       "dubbo.apache.org/dubbo-go/v3/config_center"
+       aslimiter "dubbo.apache.org/dubbo-go/v3/filter/adaptivesvc/limiter"
+       "dubbo.apache.org/dubbo-go/v3/global"
+       "dubbo.apache.org/dubbo-go/v3/internal"
+       "dubbo.apache.org/dubbo-go/v3/metrics"
+       metricsConfigCenter "dubbo.apache.org/dubbo-go/v3/metrics/config_center"
+       "dubbo.apache.org/dubbo-go/v3/otel/trace"
+       "dubbo.apache.org/dubbo-go/v3/remoting"
+)
+
+const defaultTripleProtocolPort = "50051"
+
+func logConfigCenterStartFailure(err error) {
+       gostlog.Infof("[Config Center] Config center doesn't start")
+       gostlog.Debugf("config center doesn't start because %s", err)
+}
+
+func (rc *InstanceOptions) finalizeGlobalOptions() error {
+       return rc.finalizeGlobalOptionsWithRuntimeActivation(true)
+}
+
+func (rc *InstanceOptions) finalizeGlobalOptionsForDynamicUpdate() error {
+       return rc.finalizeGlobalOptionsWithRuntimeActivation(false)
+}
+
+func (rc *InstanceOptions) 
finalizeGlobalOptionsWithRuntimeActivation(activateRuntime bool) error {
+       if err := rc.initGlobalApplication(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalCustom(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalProtocols(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalRegistries(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalMetrics(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalOtel(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalRouters(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalProvider(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalConsumer(); err != nil {
+               return err
+       }
+       return rc.initGlobalShutdown()
+}
+
+func (rc *InstanceOptions) initGlobalApplication() error {
+       if rc.Application == nil {
+               rc.Application = global.DefaultApplicationConfig()
+       }
+       if err := defaults.Set(rc.Application); err != nil {
+               return err
+       }
+       if rc.Application.Name == "" {
+               rc.Application.Name = constant.DefaultDubboApp
+       }
+       return commonCfg.Verify(rc.Application)
+}
+
+func (rc *InstanceOptions) initGlobalCustom() error {
+       if rc.Custom == nil {
+               rc.Custom = global.DefaultCustomConfig()
+       }
+       if rc.Custom.ConfigMap == nil {
+               rc.Custom.ConfigMap = make(map[string]any)
+       }
+       if err := defaults.Set(rc.Custom); err != nil {
+               return err
+       }
+       return commonCfg.Verify(rc.Custom)
+}
+
+func (rc *InstanceOptions) initGlobalProtocols() error {
+       if len(rc.Protocols) <= 0 {
+               rc.Protocols = map[string]*global.ProtocolConfig{
+                       constant.TriProtocol: {},
+               }
+       }
+       for key, protocolConfig := range rc.Protocols {
+               if protocolConfig == nil {
+                       protocolConfig = &global.ProtocolConfig{}
+                       rc.Protocols[key] = protocolConfig
+               }
+               if err := initGlobalProtocol(protocolConfig); err != nil {
+                       return err
+               }
+       }
+       return nil
+}
+
+func initGlobalProtocol(protocolConfig *global.ProtocolConfig) error {
+       if err := defaults.Set(protocolConfig); err != nil {
+               return err
+       }
+       if protocolConfig.Name == "" {
+               protocolConfig.Name = constant.TriProtocol
+       }
+       if protocolConfig.Port == "" {
+               protocolConfig.Port = defaultTripleProtocolPort
+       }
+       initGlobalTriple(protocolConfig)
+       return commonCfg.Verify(protocolConfig)
+}
+
+func initGlobalTriple(protocolConfig *global.ProtocolConfig) {
+       if protocolConfig.TripleConfig == nil {
+               protocolConfig.TripleConfig = global.DefaultTripleConfig()
+               return
+       }
+       if protocolConfig.TripleConfig.Http3 == nil {
+               protocolConfig.TripleConfig.Http3 = global.DefaultHttp3Config()
+       }
+       if protocolConfig.TripleConfig.Cors == nil {
+               protocolConfig.TripleConfig.Cors = global.DefaultCorsConfig()
+       }
+       if protocolConfig.TripleConfig.OpenAPI == nil {
+               protocolConfig.TripleConfig.OpenAPI = 
global.DefaultOpenAPIConfig()
+       }
+       protocolConfig.TripleConfig.OpenAPI.Init()
+}
+
+func (rc *InstanceOptions) initGlobalRegistries() error {
+       if rc.Registries == nil {
+               rc.Registries = global.DefaultRegistriesConfig()
+       }
+       for _, reg := range rc.Registries {
+               if reg == nil {
+                       continue
+               }
+               if reg.Params == nil {
+                       reg.Params = make(map[string]string)
+               }
+               if err := defaults.Set(reg); err != nil {
+                       return err
+               }
+               if err := translateGlobalRegistryAddress(reg); err != nil {
+                       return err
+               }
+               if err := commonCfg.Verify(reg); err != nil {
+                       return err
+               }
+       }
+       return validateGlobalRegistryAddresses(rc.Registries)
+}
+
+func translateGlobalRegistryAddress(reg *global.RegistryConfig) error {
+       if !strings.Contains(reg.Address, "://") {
+               return nil
+       }
+       u, err := url.Parse(reg.Address)
+       if err != nil {
+               return err
+       }
+       reg.Protocol = u.Scheme
+       reg.Address = u.Host + u.Path
+       return nil
+}
+
+func validateGlobalRegistryAddresses(registries 
map[string]*global.RegistryConfig) error {
+       cacheKeyMap := make(map[string]string, len(registries))
+       for id, reg := range registries {
+               if reg == nil {
+                       continue
+               }
+               cacheKey := reg.Address
+               if reg.Namespace != "" {
+                       cacheKey = cacheKey + "?" + constant.NacosNamespaceID + 
"=" + reg.Namespace
+               }
+               if existingID, exists := cacheKeyMap[cacheKey]; exists {
+                       return fmt.Errorf("duplicate registry address: [%s] 
used by both [%s] and [%s]", cacheKey, existingID, id)
+               }
+               cacheKeyMap[cacheKey] = id
+       }
+       return nil
+}
+
+func (rc *InstanceOptions) initGlobalMetrics(activateRuntime bool) error {
+       if rc.Metrics == nil {
+               rc.Metrics = global.DefaultMetricsConfig()
+       }
+       ensureGlobalMetricsNested(rc.Metrics)
+       if err := defaults.Set(rc.Metrics); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(rc.Metrics); err != nil {
+               return err
+       }
+       if activateRuntime && rc.Metrics.Enable != nil && *rc.Metrics.Enable {
+               metrics.Init(metricsURL(rc))
+       }
+       return nil
+}
+
+func ensureGlobalMetricsNested(mc *global.MetricsConfig) {

Review Comment:
   这个函数也不用封装



##########
instance_options_init.go:
##########
@@ -0,0 +1,774 @@
+/*
+ * 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 dubbo
+
+import (
+       "fmt"
+       "net/url"
+       "strconv"
+       "strings"
+)
+
+import (
+       getty "github.com/apache/dubbo-getty"
+
+       "github.com/creasty/defaults"
+
+       gostlog "github.com/dubbogo/gost/log/logger"
+
+       "github.com/knadh/koanf"
+
+       "go.opentelemetry.io/otel"
+)
+
+import (
+       "dubbo.apache.org/dubbo-go/v3/common"
+       commonCfg "dubbo.apache.org/dubbo-go/v3/common/config"
+       "dubbo.apache.org/dubbo-go/v3/common/constant"
+       "dubbo.apache.org/dubbo-go/v3/common/extension"
+       "dubbo.apache.org/dubbo-go/v3/config_center"
+       aslimiter "dubbo.apache.org/dubbo-go/v3/filter/adaptivesvc/limiter"
+       "dubbo.apache.org/dubbo-go/v3/global"
+       "dubbo.apache.org/dubbo-go/v3/internal"
+       "dubbo.apache.org/dubbo-go/v3/metrics"
+       metricsConfigCenter "dubbo.apache.org/dubbo-go/v3/metrics/config_center"
+       "dubbo.apache.org/dubbo-go/v3/otel/trace"
+       "dubbo.apache.org/dubbo-go/v3/remoting"
+)
+
+const defaultTripleProtocolPort = "50051"
+
+func logConfigCenterStartFailure(err error) {

Review Comment:
   这个函数就只有一个地方被使用了,没必要封装了吧



##########
options.go:
##########
@@ -88,76 +83,21 @@ func (rc *InstanceOptions) init(opts ...InstanceOption) 
error {
                opt(rc)
        }
 
-       // remaining procedure is like RootConfig.Init() without 
RootConfig.Start()
-       // tasks of RootConfig.Start() would be decomposed to Client and Server
-       rcCompat := compatRootConfig(rc)
-
-       if err := rcCompat.Logger.Init(); err != nil { // init default logger
+       if err := rc.initGlobalLogger(); err != nil {
                return err
        }
-       if err := rcCompat.ConfigCenter.Init(rcCompat); err != nil {
-               log.Infof("[Config Center] Config center doesn't start")
-               log.Debugf("config center doesn't start because %s", err)
+       if err := rc.initGlobalConfigCenter(); err != nil {
+               logConfigCenterStartFailure(err)
        } else {
-               compatInstanceOptions(rcCompat, rc)
-               if err = rcCompat.Logger.Init(); err != nil { // init logger 
using config from config center again
-                       return err
-               }
-       }
-
-       if err := rcCompat.Application.Init(); err != nil {
-               return err
-       }
-
-       // init user define
-       if err := rcCompat.Custom.Init(); err != nil {
-               return err
-       }
-
-       // init protocol
-       for _, protocolConfig := range rcCompat.Protocols {
-               if err := protocolConfig.Init(); err != nil {
-                       return err
-               }
-       }
-
-       // init registry
-       registries := rcCompat.Registries
-
-       for _, reg := range registries {
-               if err := reg.Init(); err != nil {
+               if err := rc.initGlobalLogger(); err != nil {
                        return err

Review Comment:
   这里为什么initGlobalConfigCenter失败了要再initGlobalLogger一下



##########
instance_options_init.go:
##########
@@ -0,0 +1,774 @@
+/*
+ * 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 dubbo
+
+import (
+       "fmt"
+       "net/url"
+       "strconv"
+       "strings"
+)
+
+import (
+       getty "github.com/apache/dubbo-getty"
+
+       "github.com/creasty/defaults"
+
+       gostlog "github.com/dubbogo/gost/log/logger"
+
+       "github.com/knadh/koanf"
+
+       "go.opentelemetry.io/otel"
+)
+
+import (
+       "dubbo.apache.org/dubbo-go/v3/common"
+       commonCfg "dubbo.apache.org/dubbo-go/v3/common/config"
+       "dubbo.apache.org/dubbo-go/v3/common/constant"
+       "dubbo.apache.org/dubbo-go/v3/common/extension"
+       "dubbo.apache.org/dubbo-go/v3/config_center"
+       aslimiter "dubbo.apache.org/dubbo-go/v3/filter/adaptivesvc/limiter"
+       "dubbo.apache.org/dubbo-go/v3/global"
+       "dubbo.apache.org/dubbo-go/v3/internal"
+       "dubbo.apache.org/dubbo-go/v3/metrics"
+       metricsConfigCenter "dubbo.apache.org/dubbo-go/v3/metrics/config_center"
+       "dubbo.apache.org/dubbo-go/v3/otel/trace"
+       "dubbo.apache.org/dubbo-go/v3/remoting"
+)
+
+const defaultTripleProtocolPort = "50051"
+
+func logConfigCenterStartFailure(err error) {
+       gostlog.Infof("[Config Center] Config center doesn't start")
+       gostlog.Debugf("config center doesn't start because %s", err)
+}
+
+func (rc *InstanceOptions) finalizeGlobalOptions() error {
+       return rc.finalizeGlobalOptionsWithRuntimeActivation(true)
+}
+
+func (rc *InstanceOptions) finalizeGlobalOptionsForDynamicUpdate() error {
+       return rc.finalizeGlobalOptionsWithRuntimeActivation(false)
+}
+
+func (rc *InstanceOptions) 
finalizeGlobalOptionsWithRuntimeActivation(activateRuntime bool) error {
+       if err := rc.initGlobalApplication(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalCustom(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalProtocols(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalRegistries(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalMetrics(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalOtel(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalRouters(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalProvider(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalConsumer(); err != nil {
+               return err
+       }
+       return rc.initGlobalShutdown()
+}
+
+func (rc *InstanceOptions) initGlobalApplication() error {
+       if rc.Application == nil {
+               rc.Application = global.DefaultApplicationConfig()
+       }
+       if err := defaults.Set(rc.Application); err != nil {
+               return err
+       }
+       if rc.Application.Name == "" {
+               rc.Application.Name = constant.DefaultDubboApp
+       }
+       return commonCfg.Verify(rc.Application)
+}
+
+func (rc *InstanceOptions) initGlobalCustom() error {
+       if rc.Custom == nil {
+               rc.Custom = global.DefaultCustomConfig()
+       }
+       if rc.Custom.ConfigMap == nil {
+               rc.Custom.ConfigMap = make(map[string]any)
+       }
+       if err := defaults.Set(rc.Custom); err != nil {
+               return err
+       }
+       return commonCfg.Verify(rc.Custom)
+}
+
+func (rc *InstanceOptions) initGlobalProtocols() error {
+       if len(rc.Protocols) <= 0 {
+               rc.Protocols = map[string]*global.ProtocolConfig{
+                       constant.TriProtocol: {},
+               }
+       }
+       for key, protocolConfig := range rc.Protocols {
+               if protocolConfig == nil {
+                       protocolConfig = &global.ProtocolConfig{}
+                       rc.Protocols[key] = protocolConfig
+               }
+               if err := initGlobalProtocol(protocolConfig); err != nil {
+                       return err
+               }
+       }
+       return nil
+}
+
+func initGlobalProtocol(protocolConfig *global.ProtocolConfig) error {
+       if err := defaults.Set(protocolConfig); err != nil {
+               return err
+       }
+       if protocolConfig.Name == "" {
+               protocolConfig.Name = constant.TriProtocol
+       }
+       if protocolConfig.Port == "" {
+               protocolConfig.Port = defaultTripleProtocolPort
+       }
+       initGlobalTriple(protocolConfig)
+       return commonCfg.Verify(protocolConfig)
+}
+
+func initGlobalTriple(protocolConfig *global.ProtocolConfig) {

Review Comment:
   这个也不用封装



##########
instance_options_init.go:
##########
@@ -0,0 +1,774 @@
+/*
+ * 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 dubbo
+
+import (
+       "fmt"
+       "net/url"
+       "strconv"
+       "strings"
+)
+
+import (
+       getty "github.com/apache/dubbo-getty"
+
+       "github.com/creasty/defaults"
+
+       gostlog "github.com/dubbogo/gost/log/logger"
+
+       "github.com/knadh/koanf"
+
+       "go.opentelemetry.io/otel"
+)
+
+import (
+       "dubbo.apache.org/dubbo-go/v3/common"
+       commonCfg "dubbo.apache.org/dubbo-go/v3/common/config"
+       "dubbo.apache.org/dubbo-go/v3/common/constant"
+       "dubbo.apache.org/dubbo-go/v3/common/extension"
+       "dubbo.apache.org/dubbo-go/v3/config_center"
+       aslimiter "dubbo.apache.org/dubbo-go/v3/filter/adaptivesvc/limiter"
+       "dubbo.apache.org/dubbo-go/v3/global"
+       "dubbo.apache.org/dubbo-go/v3/internal"
+       "dubbo.apache.org/dubbo-go/v3/metrics"
+       metricsConfigCenter "dubbo.apache.org/dubbo-go/v3/metrics/config_center"
+       "dubbo.apache.org/dubbo-go/v3/otel/trace"
+       "dubbo.apache.org/dubbo-go/v3/remoting"
+)
+
+const defaultTripleProtocolPort = "50051"
+
+func logConfigCenterStartFailure(err error) {
+       gostlog.Infof("[Config Center] Config center doesn't start")
+       gostlog.Debugf("config center doesn't start because %s", err)
+}
+
+func (rc *InstanceOptions) finalizeGlobalOptions() error {
+       return rc.finalizeGlobalOptionsWithRuntimeActivation(true)
+}
+
+func (rc *InstanceOptions) finalizeGlobalOptionsForDynamicUpdate() error {
+       return rc.finalizeGlobalOptionsWithRuntimeActivation(false)
+}
+
+func (rc *InstanceOptions) 
finalizeGlobalOptionsWithRuntimeActivation(activateRuntime bool) error {
+       if err := rc.initGlobalApplication(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalCustom(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalProtocols(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalRegistries(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalMetrics(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalOtel(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalRouters(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalProvider(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalConsumer(); err != nil {
+               return err
+       }
+       return rc.initGlobalShutdown()
+}
+
+func (rc *InstanceOptions) initGlobalApplication() error {
+       if rc.Application == nil {
+               rc.Application = global.DefaultApplicationConfig()
+       }
+       if err := defaults.Set(rc.Application); err != nil {
+               return err
+       }
+       if rc.Application.Name == "" {
+               rc.Application.Name = constant.DefaultDubboApp
+       }
+       return commonCfg.Verify(rc.Application)
+}
+
+func (rc *InstanceOptions) initGlobalCustom() error {
+       if rc.Custom == nil {
+               rc.Custom = global.DefaultCustomConfig()
+       }
+       if rc.Custom.ConfigMap == nil {
+               rc.Custom.ConfigMap = make(map[string]any)
+       }
+       if err := defaults.Set(rc.Custom); err != nil {
+               return err
+       }
+       return commonCfg.Verify(rc.Custom)
+}
+
+func (rc *InstanceOptions) initGlobalProtocols() error {
+       if len(rc.Protocols) <= 0 {
+               rc.Protocols = map[string]*global.ProtocolConfig{
+                       constant.TriProtocol: {},
+               }
+       }
+       for key, protocolConfig := range rc.Protocols {
+               if protocolConfig == nil {
+                       protocolConfig = &global.ProtocolConfig{}
+                       rc.Protocols[key] = protocolConfig
+               }
+               if err := initGlobalProtocol(protocolConfig); err != nil {
+                       return err
+               }
+       }
+       return nil
+}
+
+func initGlobalProtocol(protocolConfig *global.ProtocolConfig) error {
+       if err := defaults.Set(protocolConfig); err != nil {
+               return err
+       }
+       if protocolConfig.Name == "" {
+               protocolConfig.Name = constant.TriProtocol
+       }
+       if protocolConfig.Port == "" {
+               protocolConfig.Port = defaultTripleProtocolPort
+       }
+       initGlobalTriple(protocolConfig)
+       return commonCfg.Verify(protocolConfig)
+}
+
+func initGlobalTriple(protocolConfig *global.ProtocolConfig) {
+       if protocolConfig.TripleConfig == nil {
+               protocolConfig.TripleConfig = global.DefaultTripleConfig()
+               return
+       }
+       if protocolConfig.TripleConfig.Http3 == nil {
+               protocolConfig.TripleConfig.Http3 = global.DefaultHttp3Config()
+       }
+       if protocolConfig.TripleConfig.Cors == nil {
+               protocolConfig.TripleConfig.Cors = global.DefaultCorsConfig()
+       }
+       if protocolConfig.TripleConfig.OpenAPI == nil {
+               protocolConfig.TripleConfig.OpenAPI = 
global.DefaultOpenAPIConfig()
+       }
+       protocolConfig.TripleConfig.OpenAPI.Init()
+}
+
+func (rc *InstanceOptions) initGlobalRegistries() error {
+       if rc.Registries == nil {
+               rc.Registries = global.DefaultRegistriesConfig()
+       }
+       for _, reg := range rc.Registries {
+               if reg == nil {
+                       continue
+               }
+               if reg.Params == nil {
+                       reg.Params = make(map[string]string)
+               }
+               if err := defaults.Set(reg); err != nil {
+                       return err
+               }
+               if err := translateGlobalRegistryAddress(reg); err != nil {
+                       return err
+               }
+               if err := commonCfg.Verify(reg); err != nil {
+                       return err
+               }
+       }
+       return validateGlobalRegistryAddresses(rc.Registries)
+}
+
+func translateGlobalRegistryAddress(reg *global.RegistryConfig) error {
+       if !strings.Contains(reg.Address, "://") {
+               return nil
+       }
+       u, err := url.Parse(reg.Address)
+       if err != nil {
+               return err
+       }
+       reg.Protocol = u.Scheme
+       reg.Address = u.Host + u.Path
+       return nil
+}
+
+func validateGlobalRegistryAddresses(registries 
map[string]*global.RegistryConfig) error {
+       cacheKeyMap := make(map[string]string, len(registries))
+       for id, reg := range registries {
+               if reg == nil {
+                       continue
+               }
+               cacheKey := reg.Address
+               if reg.Namespace != "" {
+                       cacheKey = cacheKey + "?" + constant.NacosNamespaceID + 
"=" + reg.Namespace
+               }
+               if existingID, exists := cacheKeyMap[cacheKey]; exists {
+                       return fmt.Errorf("duplicate registry address: [%s] 
used by both [%s] and [%s]", cacheKey, existingID, id)
+               }
+               cacheKeyMap[cacheKey] = id
+       }
+       return nil
+}
+
+func (rc *InstanceOptions) initGlobalMetrics(activateRuntime bool) error {
+       if rc.Metrics == nil {
+               rc.Metrics = global.DefaultMetricsConfig()
+       }
+       ensureGlobalMetricsNested(rc.Metrics)
+       if err := defaults.Set(rc.Metrics); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(rc.Metrics); err != nil {
+               return err
+       }
+       if activateRuntime && rc.Metrics.Enable != nil && *rc.Metrics.Enable {
+               metrics.Init(metricsURL(rc))
+       }
+       return nil
+}
+
+func ensureGlobalMetricsNested(mc *global.MetricsConfig) {
+       if mc.Prometheus == nil {
+               mc.Prometheus = &global.PrometheusConfig{}
+       }
+       if mc.Prometheus.Exporter == nil {
+               mc.Prometheus.Exporter = &global.Exporter{}
+       }
+       if mc.Prometheus.Pushgateway == nil {
+               mc.Prometheus.Pushgateway = &global.PushgatewayConfig{}
+       }
+       if mc.Aggregation == nil {
+               mc.Aggregation = &global.AggregateConfig{}
+       }
+       if mc.Probe == nil {
+               mc.Probe = &global.ProbeConfig{}
+       }
+}
+
+func metricsURL(rc *InstanceOptions) *common.URL {
+       mc := rc.Metrics
+       u, _ := common.NewURL("localhost", common.WithProtocol(mc.Protocol))
+       u.SetParam(constant.PrometheusExporterMetricsPortKey, mc.Port)
+       u.SetParam(constant.PrometheusExporterMetricsPathKey, mc.Path)
+       if rc.Application != nil {
+               u.SetParam(constant.ApplicationKey, rc.Application.Name)
+               u.SetParam(constant.AppVersionKey, rc.Application.Version)
+       }
+       u.SetParam(constant.RpcEnabledKey, strconv.FormatBool(*mc.Enable))
+       u.SetParam(constant.MetadataEnabledKey, 
strconv.FormatBool(*mc.EnableMetadata))
+       u.SetParam(constant.RegistryEnabledKey, 
strconv.FormatBool(*mc.EnableRegistry))
+       u.SetParam(constant.ConfigCenterEnabledKey, 
strconv.FormatBool(*mc.EnableConfigCenter))
+       if mc.Aggregation != nil {
+               u.SetParam(constant.AggregationEnabledKey, 
strconv.FormatBool(*mc.Aggregation.Enabled))
+               u.SetParam(constant.AggregationBucketNumKey, 
strconv.Itoa(mc.Aggregation.BucketNum))
+               u.SetParam(constant.AggregationTimeWindowSecondsKey, 
strconv.Itoa(mc.Aggregation.TimeWindowSeconds))
+       }
+       if mc.Prometheus != nil {
+               if mc.Prometheus.Exporter != nil {
+                       u.SetParam(constant.PrometheusExporterEnabledKey, 
strconv.FormatBool(*mc.Prometheus.Exporter.Enabled))
+               }
+               if mc.Prometheus.Pushgateway != nil {
+                       pushGateway := mc.Prometheus.Pushgateway
+                       u.SetParam(constant.PrometheusPushgatewayEnabledKey, 
strconv.FormatBool(*pushGateway.Enabled))
+                       u.SetParam(constant.PrometheusPushgatewayBaseUrlKey, 
pushGateway.BaseUrl)
+                       u.SetParam(constant.PrometheusPushgatewayUsernameKey, 
pushGateway.Username)
+                       u.SetParam(constant.PrometheusPushgatewayPasswordKey, 
pushGateway.Password)
+                       
u.SetParam(constant.PrometheusPushgatewayPushIntervalKey, 
strconv.Itoa(pushGateway.PushInterval))
+                       u.SetParam(constant.PrometheusPushgatewayJobKey, 
pushGateway.Job)
+               }
+       }
+       return u
+}
+
+func (rc *InstanceOptions) initGlobalOtel(activateRuntime bool) error {
+       if rc.Otel == nil {
+               rc.Otel = global.DefaultOtelConfig()
+       }
+       if rc.Otel.TracingConfig == nil {
+               rc.Otel.TracingConfig = &global.OtelTraceConfig{}
+       }
+       if err := defaults.Set(rc.Otel); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(rc.Otel); err != nil {
+               return err
+       }
+       if rc.Otel.TracingConfig.Enable != nil && *rc.Otel.TracingConfig.Enable 
{
+               if !activateRuntime {
+                       return nil
+               }
+               
extension.AddCustomShutdownCallback(extension.GetTraceShutdownCallback())
+               return initGlobalTrace(rc.Otel.TracingConfig, rc.Application)
+       }
+       return nil
+}
+
+func initGlobalTrace(c *global.OtelTraceConfig, appConfig 
*global.ApplicationConfig) error {

Review Comment:
   这个也不用封装



##########
instance_options_init.go:
##########
@@ -0,0 +1,774 @@
+/*
+ * 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 dubbo
+
+import (
+       "fmt"
+       "net/url"
+       "strconv"
+       "strings"
+)
+
+import (
+       getty "github.com/apache/dubbo-getty"
+
+       "github.com/creasty/defaults"
+
+       gostlog "github.com/dubbogo/gost/log/logger"
+
+       "github.com/knadh/koanf"
+
+       "go.opentelemetry.io/otel"
+)
+
+import (
+       "dubbo.apache.org/dubbo-go/v3/common"
+       commonCfg "dubbo.apache.org/dubbo-go/v3/common/config"
+       "dubbo.apache.org/dubbo-go/v3/common/constant"
+       "dubbo.apache.org/dubbo-go/v3/common/extension"
+       "dubbo.apache.org/dubbo-go/v3/config_center"
+       aslimiter "dubbo.apache.org/dubbo-go/v3/filter/adaptivesvc/limiter"
+       "dubbo.apache.org/dubbo-go/v3/global"
+       "dubbo.apache.org/dubbo-go/v3/internal"
+       "dubbo.apache.org/dubbo-go/v3/metrics"
+       metricsConfigCenter "dubbo.apache.org/dubbo-go/v3/metrics/config_center"
+       "dubbo.apache.org/dubbo-go/v3/otel/trace"
+       "dubbo.apache.org/dubbo-go/v3/remoting"
+)
+
+const defaultTripleProtocolPort = "50051"
+
+func logConfigCenterStartFailure(err error) {
+       gostlog.Infof("[Config Center] Config center doesn't start")
+       gostlog.Debugf("config center doesn't start because %s", err)
+}
+
+func (rc *InstanceOptions) finalizeGlobalOptions() error {
+       return rc.finalizeGlobalOptionsWithRuntimeActivation(true)
+}
+
+func (rc *InstanceOptions) finalizeGlobalOptionsForDynamicUpdate() error {
+       return rc.finalizeGlobalOptionsWithRuntimeActivation(false)
+}
+
+func (rc *InstanceOptions) 
finalizeGlobalOptionsWithRuntimeActivation(activateRuntime bool) error {
+       if err := rc.initGlobalApplication(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalCustom(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalProtocols(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalRegistries(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalMetrics(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalOtel(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalRouters(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalProvider(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalConsumer(); err != nil {
+               return err
+       }
+       return rc.initGlobalShutdown()
+}
+
+func (rc *InstanceOptions) initGlobalApplication() error {
+       if rc.Application == nil {
+               rc.Application = global.DefaultApplicationConfig()
+       }
+       if err := defaults.Set(rc.Application); err != nil {
+               return err
+       }
+       if rc.Application.Name == "" {
+               rc.Application.Name = constant.DefaultDubboApp
+       }
+       return commonCfg.Verify(rc.Application)
+}
+
+func (rc *InstanceOptions) initGlobalCustom() error {
+       if rc.Custom == nil {
+               rc.Custom = global.DefaultCustomConfig()
+       }
+       if rc.Custom.ConfigMap == nil {
+               rc.Custom.ConfigMap = make(map[string]any)
+       }
+       if err := defaults.Set(rc.Custom); err != nil {
+               return err
+       }
+       return commonCfg.Verify(rc.Custom)
+}
+
+func (rc *InstanceOptions) initGlobalProtocols() error {
+       if len(rc.Protocols) <= 0 {
+               rc.Protocols = map[string]*global.ProtocolConfig{
+                       constant.TriProtocol: {},
+               }
+       }
+       for key, protocolConfig := range rc.Protocols {
+               if protocolConfig == nil {
+                       protocolConfig = &global.ProtocolConfig{}
+                       rc.Protocols[key] = protocolConfig
+               }
+               if err := initGlobalProtocol(protocolConfig); err != nil {
+                       return err
+               }
+       }
+       return nil
+}
+
+func initGlobalProtocol(protocolConfig *global.ProtocolConfig) error {
+       if err := defaults.Set(protocolConfig); err != nil {
+               return err
+       }
+       if protocolConfig.Name == "" {
+               protocolConfig.Name = constant.TriProtocol
+       }
+       if protocolConfig.Port == "" {
+               protocolConfig.Port = defaultTripleProtocolPort
+       }
+       initGlobalTriple(protocolConfig)
+       return commonCfg.Verify(protocolConfig)
+}
+
+func initGlobalTriple(protocolConfig *global.ProtocolConfig) {
+       if protocolConfig.TripleConfig == nil {
+               protocolConfig.TripleConfig = global.DefaultTripleConfig()
+               return
+       }
+       if protocolConfig.TripleConfig.Http3 == nil {
+               protocolConfig.TripleConfig.Http3 = global.DefaultHttp3Config()
+       }
+       if protocolConfig.TripleConfig.Cors == nil {
+               protocolConfig.TripleConfig.Cors = global.DefaultCorsConfig()
+       }
+       if protocolConfig.TripleConfig.OpenAPI == nil {
+               protocolConfig.TripleConfig.OpenAPI = 
global.DefaultOpenAPIConfig()
+       }
+       protocolConfig.TripleConfig.OpenAPI.Init()
+}
+
+func (rc *InstanceOptions) initGlobalRegistries() error {
+       if rc.Registries == nil {
+               rc.Registries = global.DefaultRegistriesConfig()
+       }
+       for _, reg := range rc.Registries {
+               if reg == nil {
+                       continue
+               }
+               if reg.Params == nil {
+                       reg.Params = make(map[string]string)
+               }
+               if err := defaults.Set(reg); err != nil {
+                       return err
+               }
+               if err := translateGlobalRegistryAddress(reg); err != nil {
+                       return err
+               }
+               if err := commonCfg.Verify(reg); err != nil {
+                       return err
+               }
+       }
+       return validateGlobalRegistryAddresses(rc.Registries)
+}
+
+func translateGlobalRegistryAddress(reg *global.RegistryConfig) error {
+       if !strings.Contains(reg.Address, "://") {
+               return nil
+       }
+       u, err := url.Parse(reg.Address)
+       if err != nil {
+               return err
+       }
+       reg.Protocol = u.Scheme
+       reg.Address = u.Host + u.Path
+       return nil
+}
+
+func validateGlobalRegistryAddresses(registries 
map[string]*global.RegistryConfig) error {
+       cacheKeyMap := make(map[string]string, len(registries))
+       for id, reg := range registries {
+               if reg == nil {
+                       continue
+               }
+               cacheKey := reg.Address
+               if reg.Namespace != "" {
+                       cacheKey = cacheKey + "?" + constant.NacosNamespaceID + 
"=" + reg.Namespace
+               }
+               if existingID, exists := cacheKeyMap[cacheKey]; exists {
+                       return fmt.Errorf("duplicate registry address: [%s] 
used by both [%s] and [%s]", cacheKey, existingID, id)
+               }
+               cacheKeyMap[cacheKey] = id
+       }
+       return nil
+}
+
+func (rc *InstanceOptions) initGlobalMetrics(activateRuntime bool) error {
+       if rc.Metrics == nil {
+               rc.Metrics = global.DefaultMetricsConfig()
+       }
+       ensureGlobalMetricsNested(rc.Metrics)
+       if err := defaults.Set(rc.Metrics); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(rc.Metrics); err != nil {
+               return err
+       }
+       if activateRuntime && rc.Metrics.Enable != nil && *rc.Metrics.Enable {
+               metrics.Init(metricsURL(rc))
+       }
+       return nil
+}
+
+func ensureGlobalMetricsNested(mc *global.MetricsConfig) {
+       if mc.Prometheus == nil {
+               mc.Prometheus = &global.PrometheusConfig{}
+       }
+       if mc.Prometheus.Exporter == nil {
+               mc.Prometheus.Exporter = &global.Exporter{}
+       }
+       if mc.Prometheus.Pushgateway == nil {
+               mc.Prometheus.Pushgateway = &global.PushgatewayConfig{}
+       }
+       if mc.Aggregation == nil {
+               mc.Aggregation = &global.AggregateConfig{}
+       }
+       if mc.Probe == nil {
+               mc.Probe = &global.ProbeConfig{}
+       }
+}
+
+func metricsURL(rc *InstanceOptions) *common.URL {
+       mc := rc.Metrics
+       u, _ := common.NewURL("localhost", common.WithProtocol(mc.Protocol))
+       u.SetParam(constant.PrometheusExporterMetricsPortKey, mc.Port)
+       u.SetParam(constant.PrometheusExporterMetricsPathKey, mc.Path)
+       if rc.Application != nil {
+               u.SetParam(constant.ApplicationKey, rc.Application.Name)
+               u.SetParam(constant.AppVersionKey, rc.Application.Version)
+       }
+       u.SetParam(constant.RpcEnabledKey, strconv.FormatBool(*mc.Enable))
+       u.SetParam(constant.MetadataEnabledKey, 
strconv.FormatBool(*mc.EnableMetadata))
+       u.SetParam(constant.RegistryEnabledKey, 
strconv.FormatBool(*mc.EnableRegistry))
+       u.SetParam(constant.ConfigCenterEnabledKey, 
strconv.FormatBool(*mc.EnableConfigCenter))
+       if mc.Aggregation != nil {
+               u.SetParam(constant.AggregationEnabledKey, 
strconv.FormatBool(*mc.Aggregation.Enabled))
+               u.SetParam(constant.AggregationBucketNumKey, 
strconv.Itoa(mc.Aggregation.BucketNum))
+               u.SetParam(constant.AggregationTimeWindowSecondsKey, 
strconv.Itoa(mc.Aggregation.TimeWindowSeconds))
+       }
+       if mc.Prometheus != nil {
+               if mc.Prometheus.Exporter != nil {
+                       u.SetParam(constant.PrometheusExporterEnabledKey, 
strconv.FormatBool(*mc.Prometheus.Exporter.Enabled))
+               }
+               if mc.Prometheus.Pushgateway != nil {
+                       pushGateway := mc.Prometheus.Pushgateway
+                       u.SetParam(constant.PrometheusPushgatewayEnabledKey, 
strconv.FormatBool(*pushGateway.Enabled))
+                       u.SetParam(constant.PrometheusPushgatewayBaseUrlKey, 
pushGateway.BaseUrl)
+                       u.SetParam(constant.PrometheusPushgatewayUsernameKey, 
pushGateway.Username)
+                       u.SetParam(constant.PrometheusPushgatewayPasswordKey, 
pushGateway.Password)
+                       
u.SetParam(constant.PrometheusPushgatewayPushIntervalKey, 
strconv.Itoa(pushGateway.PushInterval))
+                       u.SetParam(constant.PrometheusPushgatewayJobKey, 
pushGateway.Job)
+               }
+       }
+       return u
+}
+
+func (rc *InstanceOptions) initGlobalOtel(activateRuntime bool) error {
+       if rc.Otel == nil {
+               rc.Otel = global.DefaultOtelConfig()
+       }
+       if rc.Otel.TracingConfig == nil {
+               rc.Otel.TracingConfig = &global.OtelTraceConfig{}
+       }
+       if err := defaults.Set(rc.Otel); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(rc.Otel); err != nil {
+               return err
+       }
+       if rc.Otel.TracingConfig.Enable != nil && *rc.Otel.TracingConfig.Enable 
{
+               if !activateRuntime {
+                       return nil
+               }
+               
extension.AddCustomShutdownCallback(extension.GetTraceShutdownCallback())
+               return initGlobalTrace(rc.Otel.TracingConfig, rc.Application)
+       }
+       return nil
+}
+
+func initGlobalTrace(c *global.OtelTraceConfig, appConfig 
*global.ApplicationConfig) error {
+       exporter, err := extension.GetTraceExporter(c.Exporter, 
traceProviderConfig(c, appConfig))
+       if err != nil {
+               return err
+       }
+       otel.SetTracerProvider(exporter.GetTracerProvider())
+       otel.SetTextMapPropagator(exporter.GetPropagator())
+
+       if c.Exporter == "stdout" {
+               gostlog.Infof("enable %s trace provider with propagator: %s", 
c.Exporter, c.Propagator)
+       } else {
+               gostlog.Infof("enable %s trace provider with endpoint: %s, 
propagator: %s", c.Exporter, c.Endpoint, c.Propagator)
+       }
+       gostlog.Infof("sample mode: %s", c.SampleMode)
+       if c.SampleMode == "ratio" {
+               gostlog.Infof("sample ratio: %.2f", c.SampleRatio)
+       }
+
+       return nil
+}
+
+func traceProviderConfig(c *global.OtelTraceConfig, appConfig 
*global.ApplicationConfig) *trace.ExporterConfig {
+       tpc := &trace.ExporterConfig{
+               Exporter:    c.Exporter,
+               Endpoint:    c.Endpoint,
+               SampleMode:  c.SampleMode,
+               SampleRatio: c.SampleRatio,
+               Propagator:  c.Propagator,
+               Insecure:    c.Insecure,
+       }
+       if appConfig != nil {
+               tpc.ServiceNamespace = appConfig.Organization
+               tpc.ServiceName = appConfig.Name
+               tpc.ServiceVersion = appConfig.Version
+       }
+       return tpc
+}
+
+func (rc *InstanceOptions) initGlobalRouters() error {
+       for _, routerConfig := range rc.Router {
+               if routerConfig == nil {
+                       continue
+               }
+               if err := defaults.Set(routerConfig); err != nil {
+                       return err
+               }
+               if err := commonCfg.Verify(routerConfig); err != nil {
+                       return err
+               }
+       }
+       return nil
+}
+
+func (rc *InstanceOptions) initGlobalProvider(activateRuntime bool) error {
+       if rc.Provider == nil {
+               rc.Provider = global.DefaultProviderConfig()
+       }
+       if rc.Provider.Services == nil {
+               rc.Provider.Services = make(map[string]*global.ServiceConfig)
+       }
+       if err := defaults.Set(rc.Provider); err != nil {
+               return err
+       }
+       rc.Provider.RegistryIDs = 
commonCfg.TranslateIds(rc.Provider.RegistryIDs)
+       if len(rc.Provider.RegistryIDs) <= 0 {
+               rc.Provider.RegistryIDs = globalRegistryIDs(rc.Registries)
+       }
+       rc.Provider.ProtocolIDs = 
commonCfg.TranslateIds(rc.Provider.ProtocolIDs)
+
+       for _, serviceConfig := range rc.Provider.Services {
+               if serviceConfig == nil {
+                       continue
+               }
+               if err := rc.initGlobalService(serviceConfig); err != nil {
+                       return err
+               }
+       }
+       if err := commonCfg.Verify(rc.Provider); err != nil {
+               return err
+       }
+       if rc.Provider.AdaptiveServiceVerbose {
+               if !rc.Provider.AdaptiveService {
+                       return fmt.Errorf("the adaptive service is disabled, 
adaptive service verbose should be disabled either")
+               }
+               if activateRuntime {
+                       gostlog.Infof("adaptive service verbose is enabled.")
+                       gostlog.Debugf("debug-level info could be shown.")
+                       aslimiter.Verbose = true
+               }
+       }
+       return nil
+}
+
+func (rc *InstanceOptions) initGlobalService(serviceConfig 
*global.ServiceConfig) error {
+       if err := defaults.Set(serviceConfig); err != nil {
+               return err
+       }
+       if serviceConfig.Filter == "" {
+               serviceConfig.Filter = rc.Provider.Filter
+       }
+       if rc.Application != nil {
+               if serviceConfig.Version == "" {
+                       serviceConfig.Version = rc.Application.Version
+               }
+               if serviceConfig.Group == "" {
+                       serviceConfig.Group = rc.Application.Group
+               }
+       }
+       if len(serviceConfig.RCRegistriesMap) == 0 {
+               serviceConfig.RCRegistriesMap = rc.Registries
+       }
+       if len(serviceConfig.RCProtocolsMap) == 0 {
+               serviceConfig.RCProtocolsMap = rc.Protocols
+       }
+       serviceConfig.ProxyFactoryKey = rc.Provider.ProxyFactory
+       serviceConfig.RegistryIDs = 
commonCfg.TranslateIds(serviceConfig.RegistryIDs)
+       if len(serviceConfig.RegistryIDs) <= 0 {
+               serviceConfig.RegistryIDs = rc.Provider.RegistryIDs
+       }
+       if len(serviceConfig.RegistryIDs) > 0 {
+               if err := 
internal.ValidateRegistryIDs(serviceConfig.RegistryIDs, 
serviceConfig.RCRegistriesMap); err != nil {
+                       return err
+               }
+       }
+       serviceConfig.ProtocolIDs = 
commonCfg.TranslateIds(serviceConfig.ProtocolIDs)
+       if len(serviceConfig.ProtocolIDs) <= 0 {
+               serviceConfig.ProtocolIDs = rc.Provider.ProtocolIDs
+       }
+       if len(serviceConfig.ProtocolIDs) <= 0 {
+               serviceConfig.ProtocolIDs = globalProtocolIDs(rc.Protocols)
+       }
+       if serviceConfig.TracingKey == "" {
+               serviceConfig.TracingKey = rc.Provider.TracingKey
+       }
+       for _, method := range serviceConfig.Methods {
+               if err := internal.ValidateMethodConfig(method); err != nil {
+                       return err
+               }
+       }
+       return commonCfg.Verify(serviceConfig)
+}
+
+func (rc *InstanceOptions) initGlobalConsumer() error {
+       if rc.Consumer == nil {
+               rc.Consumer = global.DefaultConsumerConfig()
+       }
+       if rc.Consumer.References == nil {
+               rc.Consumer.References = 
make(map[string]*global.ReferenceConfig)
+       }
+       if err := defaults.Set(rc.Consumer); err != nil {
+               return err
+       }
+       rc.Consumer.RegistryIDs = 
commonCfg.TranslateIds(rc.Consumer.RegistryIDs)
+       if len(rc.Consumer.RegistryIDs) <= 0 {
+               rc.Consumer.RegistryIDs = globalRegistryIDs(rc.Registries)
+       }
+       for _, referenceConfig := range rc.Consumer.References {
+               if referenceConfig == nil {
+                       continue
+               }
+               if err := rc.initGlobalReference(referenceConfig); err != nil {
+                       return err
+               }
+       }
+       return commonCfg.Verify(rc.Consumer)
+}
+
+func (rc *InstanceOptions) initGlobalReference(referenceConfig 
*global.ReferenceConfig) error {
+       if referenceConfig.ProtocolClientConfig == nil {
+               referenceConfig.ProtocolClientConfig = 
global.DefaultClientProtocolConfig()
+       }
+       if err := defaults.Set(referenceConfig); err != nil {
+               return err
+       }
+       for _, method := range referenceConfig.MethodsConfig {
+               if err := internal.ValidateMethodConfig(method); err != nil {
+                       return err
+               }
+       }
+       if rc.Application != nil {
+               if referenceConfig.Group == "" {
+                       referenceConfig.Group = rc.Application.Group
+               }
+               if referenceConfig.Version == "" {
+                       referenceConfig.Version = rc.Application.Version
+               }
+       }
+       referenceConfig.RegistryIDs = 
commonCfg.TranslateIds(referenceConfig.RegistryIDs)
+       if referenceConfig.Filter == "" {
+               referenceConfig.Filter = rc.Consumer.Filter
+       }
+       if len(referenceConfig.RegistryIDs) <= 0 {
+               referenceConfig.RegistryIDs = rc.Consumer.RegistryIDs
+       }
+       if referenceConfig.Protocol == "" {
+               referenceConfig.Protocol = rc.Consumer.Protocol
+       }
+       if referenceConfig.Protocol == "" {
+               referenceConfig.Protocol = constant.TriProtocol
+       }
+       if referenceConfig.TracingKey == "" {
+               referenceConfig.TracingKey = rc.Consumer.TracingKey
+       }
+       if referenceConfig.Check == nil {
+               referenceConfig.Check = &rc.Consumer.Check
+       }
+       if referenceConfig.Cluster == "" {
+               referenceConfig.Cluster = constant.ClusterKeyFailover
+       }
+       if referenceConfig.URL == "" && len(referenceConfig.RegistryIDs) > 0 {
+               if err := 
internal.ValidateRegistryIDs(referenceConfig.RegistryIDs, rc.Registries); err 
!= nil {
+                       return err
+               }
+       }
+       return commonCfg.Verify(referenceConfig)
+}
+
+func (rc *InstanceOptions) initGlobalShutdown() error {
+       if rc.Shutdown == nil {
+               rc.Shutdown = global.DefaultShutdownConfig()
+       }
+       return defaults.Set(rc.Shutdown)
+}
+
+func globalRegistryIDs(regs map[string]*global.RegistryConfig) []string {
+       ids := make([]string, 0, len(regs))
+       for key := range regs {
+               ids = append(ids, key)
+       }
+       return ids
+}
+
+func globalProtocolIDs(protocols map[string]*global.ProtocolConfig) []string {
+       ids := make([]string, 0, len(protocols))
+       for key := range protocols {
+               ids = append(ids, key)
+       }
+       return ids
+}
+
+func (rc *InstanceOptions) initGlobalLogger() error {
+       if rc.Logger == nil {
+               rc.Logger = global.DefaultLoggerConfig()
+       }
+       if rc.Logger.File == nil {
+               rc.Logger.File = &global.File{}
+       }
+       if err := defaults.Set(rc.Logger); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(rc.Logger); err != nil {
+               return err
+       }
+       log, err := extension.GetLogger(rc.Logger.Driver, loggerURL(rc.Logger))
+       if err != nil {
+               return err
+       }
+       gostlog.SetLogger(log)
+       getty.SetLogger(log)
+       return nil
+}
+
+func loggerURL(l *global.LoggerConfig) *common.URL {
+       address := fmt.Sprintf("%s://%s", l.Driver, l.Level)
+       u, _ := common.NewURL(address,
+               common.WithParamsValue(constant.LoggerLevelKey, l.Level),
+               common.WithParamsValue(constant.LoggerDriverKey, l.Driver),
+               common.WithParamsValue(constant.LoggerFormatKey, l.Format),
+               common.WithParamsValue(constant.LoggerAppenderKey, l.Appender),
+               common.WithParamsValue(constant.LoggerFileNameKey, l.File.Name),
+               common.WithParamsValue(constant.LoggerFileNaxSizeKey, 
strconv.Itoa(l.File.MaxSize)),
+               common.WithParamsValue(constant.LoggerFileMaxBackupsKey, 
strconv.Itoa(l.File.MaxBackups)),
+               common.WithParamsValue(constant.LoggerFileMaxAgeKey, 
strconv.Itoa(l.File.MaxAge)),
+               common.WithParamsValue(constant.LoggerFileCompressKey, 
strconv.FormatBool(*l.File.Compress)),
+       )
+
+       if l.TraceIntegration != nil {
+               if l.TraceIntegration.Enabled != nil {
+                       u.AddParam(constant.LoggerTraceEnabledKey, 
strconv.FormatBool(*l.TraceIntegration.Enabled))
+               }
+               if l.TraceIntegration.RecordErrorToSpan != nil {
+                       u.AddParam(constant.LoggerTraceRecordErrorKey, 
strconv.FormatBool(*l.TraceIntegration.RecordErrorToSpan))
+               }
+       }
+
+       return u
+}
+
+func (rc *InstanceOptions) initGlobalConfigCenter() error {
+       if rc.ConfigCenter == nil {
+               return nil
+       }
+       cc := rc.ConfigCenter
+       if cc.Params == nil {
+               cc.Params = make(map[string]string)
+       }
+       if err := defaults.Set(cc); err != nil {
+               return err
+       }
+       if err := translateGlobalConfigAddress(cc); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(cc); err != nil {
+               return err
+       }
+       return rc.startGlobalConfigCenter()
+}
+
+func translateGlobalConfigAddress(cc *global.CenterConfig) error {
+       if !strings.Contains(cc.Address, "://") {
+               return nil
+       }
+       translatedURL, err := url.Parse(cc.Address)
+       if err != nil {
+               return err
+       }
+       cc.Protocol = translatedURL.Scheme
+       cc.Address = strings.ReplaceAll(cc.Address, translatedURL.Scheme+"://", 
"")
+       return nil
+}

Review Comment:
   这个函数貌似就比上面的translateGlobalRegistryAddress多一行代码吧,合并一下



##########
instance_options_init.go:
##########
@@ -0,0 +1,774 @@
+/*
+ * 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 dubbo
+
+import (
+       "fmt"
+       "net/url"
+       "strconv"
+       "strings"
+)
+
+import (
+       getty "github.com/apache/dubbo-getty"
+
+       "github.com/creasty/defaults"
+
+       gostlog "github.com/dubbogo/gost/log/logger"
+
+       "github.com/knadh/koanf"
+
+       "go.opentelemetry.io/otel"
+)
+
+import (
+       "dubbo.apache.org/dubbo-go/v3/common"
+       commonCfg "dubbo.apache.org/dubbo-go/v3/common/config"
+       "dubbo.apache.org/dubbo-go/v3/common/constant"
+       "dubbo.apache.org/dubbo-go/v3/common/extension"
+       "dubbo.apache.org/dubbo-go/v3/config_center"
+       aslimiter "dubbo.apache.org/dubbo-go/v3/filter/adaptivesvc/limiter"
+       "dubbo.apache.org/dubbo-go/v3/global"
+       "dubbo.apache.org/dubbo-go/v3/internal"
+       "dubbo.apache.org/dubbo-go/v3/metrics"
+       metricsConfigCenter "dubbo.apache.org/dubbo-go/v3/metrics/config_center"
+       "dubbo.apache.org/dubbo-go/v3/otel/trace"
+       "dubbo.apache.org/dubbo-go/v3/remoting"
+)
+
+const defaultTripleProtocolPort = "50051"
+
+func logConfigCenterStartFailure(err error) {
+       gostlog.Infof("[Config Center] Config center doesn't start")
+       gostlog.Debugf("config center doesn't start because %s", err)
+}
+
+func (rc *InstanceOptions) finalizeGlobalOptions() error {
+       return rc.finalizeGlobalOptionsWithRuntimeActivation(true)
+}
+
+func (rc *InstanceOptions) finalizeGlobalOptionsForDynamicUpdate() error {
+       return rc.finalizeGlobalOptionsWithRuntimeActivation(false)
+}
+
+func (rc *InstanceOptions) 
finalizeGlobalOptionsWithRuntimeActivation(activateRuntime bool) error {
+       if err := rc.initGlobalApplication(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalCustom(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalProtocols(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalRegistries(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalMetrics(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalOtel(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalRouters(); err != nil {
+               return err
+       }
+       if err := rc.initGlobalProvider(activateRuntime); err != nil {
+               return err
+       }
+       if err := rc.initGlobalConsumer(); err != nil {
+               return err
+       }
+       return rc.initGlobalShutdown()
+}
+
+func (rc *InstanceOptions) initGlobalApplication() error {
+       if rc.Application == nil {
+               rc.Application = global.DefaultApplicationConfig()
+       }
+       if err := defaults.Set(rc.Application); err != nil {
+               return err
+       }
+       if rc.Application.Name == "" {
+               rc.Application.Name = constant.DefaultDubboApp
+       }
+       return commonCfg.Verify(rc.Application)
+}
+
+func (rc *InstanceOptions) initGlobalCustom() error {
+       if rc.Custom == nil {
+               rc.Custom = global.DefaultCustomConfig()
+       }
+       if rc.Custom.ConfigMap == nil {
+               rc.Custom.ConfigMap = make(map[string]any)
+       }
+       if err := defaults.Set(rc.Custom); err != nil {
+               return err
+       }
+       return commonCfg.Verify(rc.Custom)
+}
+
+func (rc *InstanceOptions) initGlobalProtocols() error {
+       if len(rc.Protocols) <= 0 {
+               rc.Protocols = map[string]*global.ProtocolConfig{
+                       constant.TriProtocol: {},
+               }
+       }
+       for key, protocolConfig := range rc.Protocols {
+               if protocolConfig == nil {
+                       protocolConfig = &global.ProtocolConfig{}
+                       rc.Protocols[key] = protocolConfig
+               }
+               if err := initGlobalProtocol(protocolConfig); err != nil {
+                       return err
+               }
+       }
+       return nil
+}
+
+func initGlobalProtocol(protocolConfig *global.ProtocolConfig) error {
+       if err := defaults.Set(protocolConfig); err != nil {
+               return err
+       }
+       if protocolConfig.Name == "" {
+               protocolConfig.Name = constant.TriProtocol
+       }
+       if protocolConfig.Port == "" {
+               protocolConfig.Port = defaultTripleProtocolPort
+       }
+       initGlobalTriple(protocolConfig)
+       return commonCfg.Verify(protocolConfig)
+}
+
+func initGlobalTriple(protocolConfig *global.ProtocolConfig) {
+       if protocolConfig.TripleConfig == nil {
+               protocolConfig.TripleConfig = global.DefaultTripleConfig()
+               return
+       }
+       if protocolConfig.TripleConfig.Http3 == nil {
+               protocolConfig.TripleConfig.Http3 = global.DefaultHttp3Config()
+       }
+       if protocolConfig.TripleConfig.Cors == nil {
+               protocolConfig.TripleConfig.Cors = global.DefaultCorsConfig()
+       }
+       if protocolConfig.TripleConfig.OpenAPI == nil {
+               protocolConfig.TripleConfig.OpenAPI = 
global.DefaultOpenAPIConfig()
+       }
+       protocolConfig.TripleConfig.OpenAPI.Init()
+}
+
+func (rc *InstanceOptions) initGlobalRegistries() error {
+       if rc.Registries == nil {
+               rc.Registries = global.DefaultRegistriesConfig()
+       }
+       for _, reg := range rc.Registries {
+               if reg == nil {
+                       continue
+               }
+               if reg.Params == nil {
+                       reg.Params = make(map[string]string)
+               }
+               if err := defaults.Set(reg); err != nil {
+                       return err
+               }
+               if err := translateGlobalRegistryAddress(reg); err != nil {
+                       return err
+               }
+               if err := commonCfg.Verify(reg); err != nil {
+                       return err
+               }
+       }
+       return validateGlobalRegistryAddresses(rc.Registries)
+}
+
+func translateGlobalRegistryAddress(reg *global.RegistryConfig) error {
+       if !strings.Contains(reg.Address, "://") {
+               return nil
+       }
+       u, err := url.Parse(reg.Address)
+       if err != nil {
+               return err
+       }
+       reg.Protocol = u.Scheme
+       reg.Address = u.Host + u.Path
+       return nil
+}
+
+func validateGlobalRegistryAddresses(registries 
map[string]*global.RegistryConfig) error {
+       cacheKeyMap := make(map[string]string, len(registries))
+       for id, reg := range registries {
+               if reg == nil {
+                       continue
+               }
+               cacheKey := reg.Address
+               if reg.Namespace != "" {
+                       cacheKey = cacheKey + "?" + constant.NacosNamespaceID + 
"=" + reg.Namespace
+               }
+               if existingID, exists := cacheKeyMap[cacheKey]; exists {
+                       return fmt.Errorf("duplicate registry address: [%s] 
used by both [%s] and [%s]", cacheKey, existingID, id)
+               }
+               cacheKeyMap[cacheKey] = id
+       }
+       return nil
+}
+
+func (rc *InstanceOptions) initGlobalMetrics(activateRuntime bool) error {
+       if rc.Metrics == nil {
+               rc.Metrics = global.DefaultMetricsConfig()
+       }
+       ensureGlobalMetricsNested(rc.Metrics)
+       if err := defaults.Set(rc.Metrics); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(rc.Metrics); err != nil {
+               return err
+       }
+       if activateRuntime && rc.Metrics.Enable != nil && *rc.Metrics.Enable {
+               metrics.Init(metricsURL(rc))
+       }
+       return nil
+}
+
+func ensureGlobalMetricsNested(mc *global.MetricsConfig) {
+       if mc.Prometheus == nil {
+               mc.Prometheus = &global.PrometheusConfig{}
+       }
+       if mc.Prometheus.Exporter == nil {
+               mc.Prometheus.Exporter = &global.Exporter{}
+       }
+       if mc.Prometheus.Pushgateway == nil {
+               mc.Prometheus.Pushgateway = &global.PushgatewayConfig{}
+       }
+       if mc.Aggregation == nil {
+               mc.Aggregation = &global.AggregateConfig{}
+       }
+       if mc.Probe == nil {
+               mc.Probe = &global.ProbeConfig{}
+       }
+}
+
+func metricsURL(rc *InstanceOptions) *common.URL {
+       mc := rc.Metrics
+       u, _ := common.NewURL("localhost", common.WithProtocol(mc.Protocol))
+       u.SetParam(constant.PrometheusExporterMetricsPortKey, mc.Port)
+       u.SetParam(constant.PrometheusExporterMetricsPathKey, mc.Path)
+       if rc.Application != nil {
+               u.SetParam(constant.ApplicationKey, rc.Application.Name)
+               u.SetParam(constant.AppVersionKey, rc.Application.Version)
+       }
+       u.SetParam(constant.RpcEnabledKey, strconv.FormatBool(*mc.Enable))
+       u.SetParam(constant.MetadataEnabledKey, 
strconv.FormatBool(*mc.EnableMetadata))
+       u.SetParam(constant.RegistryEnabledKey, 
strconv.FormatBool(*mc.EnableRegistry))
+       u.SetParam(constant.ConfigCenterEnabledKey, 
strconv.FormatBool(*mc.EnableConfigCenter))
+       if mc.Aggregation != nil {
+               u.SetParam(constant.AggregationEnabledKey, 
strconv.FormatBool(*mc.Aggregation.Enabled))
+               u.SetParam(constant.AggregationBucketNumKey, 
strconv.Itoa(mc.Aggregation.BucketNum))
+               u.SetParam(constant.AggregationTimeWindowSecondsKey, 
strconv.Itoa(mc.Aggregation.TimeWindowSeconds))
+       }
+       if mc.Prometheus != nil {
+               if mc.Prometheus.Exporter != nil {
+                       u.SetParam(constant.PrometheusExporterEnabledKey, 
strconv.FormatBool(*mc.Prometheus.Exporter.Enabled))
+               }
+               if mc.Prometheus.Pushgateway != nil {
+                       pushGateway := mc.Prometheus.Pushgateway
+                       u.SetParam(constant.PrometheusPushgatewayEnabledKey, 
strconv.FormatBool(*pushGateway.Enabled))
+                       u.SetParam(constant.PrometheusPushgatewayBaseUrlKey, 
pushGateway.BaseUrl)
+                       u.SetParam(constant.PrometheusPushgatewayUsernameKey, 
pushGateway.Username)
+                       u.SetParam(constant.PrometheusPushgatewayPasswordKey, 
pushGateway.Password)
+                       
u.SetParam(constant.PrometheusPushgatewayPushIntervalKey, 
strconv.Itoa(pushGateway.PushInterval))
+                       u.SetParam(constant.PrometheusPushgatewayJobKey, 
pushGateway.Job)
+               }
+       }
+       return u
+}
+
+func (rc *InstanceOptions) initGlobalOtel(activateRuntime bool) error {
+       if rc.Otel == nil {
+               rc.Otel = global.DefaultOtelConfig()
+       }
+       if rc.Otel.TracingConfig == nil {
+               rc.Otel.TracingConfig = &global.OtelTraceConfig{}
+       }
+       if err := defaults.Set(rc.Otel); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(rc.Otel); err != nil {
+               return err
+       }
+       if rc.Otel.TracingConfig.Enable != nil && *rc.Otel.TracingConfig.Enable 
{
+               if !activateRuntime {
+                       return nil
+               }
+               
extension.AddCustomShutdownCallback(extension.GetTraceShutdownCallback())
+               return initGlobalTrace(rc.Otel.TracingConfig, rc.Application)
+       }
+       return nil
+}
+
+func initGlobalTrace(c *global.OtelTraceConfig, appConfig 
*global.ApplicationConfig) error {
+       exporter, err := extension.GetTraceExporter(c.Exporter, 
traceProviderConfig(c, appConfig))
+       if err != nil {
+               return err
+       }
+       otel.SetTracerProvider(exporter.GetTracerProvider())
+       otel.SetTextMapPropagator(exporter.GetPropagator())
+
+       if c.Exporter == "stdout" {
+               gostlog.Infof("enable %s trace provider with propagator: %s", 
c.Exporter, c.Propagator)
+       } else {
+               gostlog.Infof("enable %s trace provider with endpoint: %s, 
propagator: %s", c.Exporter, c.Endpoint, c.Propagator)
+       }
+       gostlog.Infof("sample mode: %s", c.SampleMode)
+       if c.SampleMode == "ratio" {
+               gostlog.Infof("sample ratio: %.2f", c.SampleRatio)
+       }
+
+       return nil
+}
+
+func traceProviderConfig(c *global.OtelTraceConfig, appConfig 
*global.ApplicationConfig) *trace.ExporterConfig {
+       tpc := &trace.ExporterConfig{
+               Exporter:    c.Exporter,
+               Endpoint:    c.Endpoint,
+               SampleMode:  c.SampleMode,
+               SampleRatio: c.SampleRatio,
+               Propagator:  c.Propagator,
+               Insecure:    c.Insecure,
+       }
+       if appConfig != nil {
+               tpc.ServiceNamespace = appConfig.Organization
+               tpc.ServiceName = appConfig.Name
+               tpc.ServiceVersion = appConfig.Version
+       }
+       return tpc
+}
+
+func (rc *InstanceOptions) initGlobalRouters() error {
+       for _, routerConfig := range rc.Router {
+               if routerConfig == nil {
+                       continue
+               }
+               if err := defaults.Set(routerConfig); err != nil {
+                       return err
+               }
+               if err := commonCfg.Verify(routerConfig); err != nil {
+                       return err
+               }
+       }
+       return nil
+}
+
+func (rc *InstanceOptions) initGlobalProvider(activateRuntime bool) error {
+       if rc.Provider == nil {
+               rc.Provider = global.DefaultProviderConfig()
+       }
+       if rc.Provider.Services == nil {
+               rc.Provider.Services = make(map[string]*global.ServiceConfig)
+       }
+       if err := defaults.Set(rc.Provider); err != nil {
+               return err
+       }
+       rc.Provider.RegistryIDs = 
commonCfg.TranslateIds(rc.Provider.RegistryIDs)
+       if len(rc.Provider.RegistryIDs) <= 0 {
+               rc.Provider.RegistryIDs = globalRegistryIDs(rc.Registries)
+       }
+       rc.Provider.ProtocolIDs = 
commonCfg.TranslateIds(rc.Provider.ProtocolIDs)
+
+       for _, serviceConfig := range rc.Provider.Services {
+               if serviceConfig == nil {
+                       continue
+               }
+               if err := rc.initGlobalService(serviceConfig); err != nil {
+                       return err
+               }
+       }
+       if err := commonCfg.Verify(rc.Provider); err != nil {
+               return err
+       }
+       if rc.Provider.AdaptiveServiceVerbose {
+               if !rc.Provider.AdaptiveService {
+                       return fmt.Errorf("the adaptive service is disabled, 
adaptive service verbose should be disabled either")
+               }
+               if activateRuntime {
+                       gostlog.Infof("adaptive service verbose is enabled.")
+                       gostlog.Debugf("debug-level info could be shown.")
+                       aslimiter.Verbose = true
+               }
+       }
+       return nil
+}
+
+func (rc *InstanceOptions) initGlobalService(serviceConfig 
*global.ServiceConfig) error {
+       if err := defaults.Set(serviceConfig); err != nil {
+               return err
+       }
+       if serviceConfig.Filter == "" {
+               serviceConfig.Filter = rc.Provider.Filter
+       }
+       if rc.Application != nil {
+               if serviceConfig.Version == "" {
+                       serviceConfig.Version = rc.Application.Version
+               }
+               if serviceConfig.Group == "" {
+                       serviceConfig.Group = rc.Application.Group
+               }
+       }
+       if len(serviceConfig.RCRegistriesMap) == 0 {
+               serviceConfig.RCRegistriesMap = rc.Registries
+       }
+       if len(serviceConfig.RCProtocolsMap) == 0 {
+               serviceConfig.RCProtocolsMap = rc.Protocols
+       }
+       serviceConfig.ProxyFactoryKey = rc.Provider.ProxyFactory
+       serviceConfig.RegistryIDs = 
commonCfg.TranslateIds(serviceConfig.RegistryIDs)
+       if len(serviceConfig.RegistryIDs) <= 0 {
+               serviceConfig.RegistryIDs = rc.Provider.RegistryIDs
+       }
+       if len(serviceConfig.RegistryIDs) > 0 {
+               if err := 
internal.ValidateRegistryIDs(serviceConfig.RegistryIDs, 
serviceConfig.RCRegistriesMap); err != nil {
+                       return err
+               }
+       }
+       serviceConfig.ProtocolIDs = 
commonCfg.TranslateIds(serviceConfig.ProtocolIDs)
+       if len(serviceConfig.ProtocolIDs) <= 0 {
+               serviceConfig.ProtocolIDs = rc.Provider.ProtocolIDs
+       }
+       if len(serviceConfig.ProtocolIDs) <= 0 {
+               serviceConfig.ProtocolIDs = globalProtocolIDs(rc.Protocols)
+       }
+       if serviceConfig.TracingKey == "" {
+               serviceConfig.TracingKey = rc.Provider.TracingKey
+       }
+       for _, method := range serviceConfig.Methods {
+               if err := internal.ValidateMethodConfig(method); err != nil {
+                       return err
+               }
+       }
+       return commonCfg.Verify(serviceConfig)
+}
+
+func (rc *InstanceOptions) initGlobalConsumer() error {
+       if rc.Consumer == nil {
+               rc.Consumer = global.DefaultConsumerConfig()
+       }
+       if rc.Consumer.References == nil {
+               rc.Consumer.References = 
make(map[string]*global.ReferenceConfig)
+       }
+       if err := defaults.Set(rc.Consumer); err != nil {
+               return err
+       }
+       rc.Consumer.RegistryIDs = 
commonCfg.TranslateIds(rc.Consumer.RegistryIDs)
+       if len(rc.Consumer.RegistryIDs) <= 0 {
+               rc.Consumer.RegistryIDs = globalRegistryIDs(rc.Registries)
+       }
+       for _, referenceConfig := range rc.Consumer.References {
+               if referenceConfig == nil {
+                       continue
+               }
+               if err := rc.initGlobalReference(referenceConfig); err != nil {
+                       return err
+               }
+       }
+       return commonCfg.Verify(rc.Consumer)
+}
+
+func (rc *InstanceOptions) initGlobalReference(referenceConfig 
*global.ReferenceConfig) error {
+       if referenceConfig.ProtocolClientConfig == nil {
+               referenceConfig.ProtocolClientConfig = 
global.DefaultClientProtocolConfig()
+       }
+       if err := defaults.Set(referenceConfig); err != nil {
+               return err
+       }
+       for _, method := range referenceConfig.MethodsConfig {
+               if err := internal.ValidateMethodConfig(method); err != nil {
+                       return err
+               }
+       }
+       if rc.Application != nil {
+               if referenceConfig.Group == "" {
+                       referenceConfig.Group = rc.Application.Group
+               }
+               if referenceConfig.Version == "" {
+                       referenceConfig.Version = rc.Application.Version
+               }
+       }
+       referenceConfig.RegistryIDs = 
commonCfg.TranslateIds(referenceConfig.RegistryIDs)
+       if referenceConfig.Filter == "" {
+               referenceConfig.Filter = rc.Consumer.Filter
+       }
+       if len(referenceConfig.RegistryIDs) <= 0 {
+               referenceConfig.RegistryIDs = rc.Consumer.RegistryIDs
+       }
+       if referenceConfig.Protocol == "" {
+               referenceConfig.Protocol = rc.Consumer.Protocol
+       }
+       if referenceConfig.Protocol == "" {
+               referenceConfig.Protocol = constant.TriProtocol
+       }
+       if referenceConfig.TracingKey == "" {
+               referenceConfig.TracingKey = rc.Consumer.TracingKey
+       }
+       if referenceConfig.Check == nil {
+               referenceConfig.Check = &rc.Consumer.Check
+       }
+       if referenceConfig.Cluster == "" {
+               referenceConfig.Cluster = constant.ClusterKeyFailover
+       }
+       if referenceConfig.URL == "" && len(referenceConfig.RegistryIDs) > 0 {
+               if err := 
internal.ValidateRegistryIDs(referenceConfig.RegistryIDs, rc.Registries); err 
!= nil {
+                       return err
+               }
+       }
+       return commonCfg.Verify(referenceConfig)
+}
+
+func (rc *InstanceOptions) initGlobalShutdown() error {
+       if rc.Shutdown == nil {
+               rc.Shutdown = global.DefaultShutdownConfig()
+       }
+       return defaults.Set(rc.Shutdown)
+}
+
+func globalRegistryIDs(regs map[string]*global.RegistryConfig) []string {
+       ids := make([]string, 0, len(regs))
+       for key := range regs {
+               ids = append(ids, key)
+       }
+       return ids
+}
+
+func globalProtocolIDs(protocols map[string]*global.ProtocolConfig) []string {
+       ids := make([]string, 0, len(protocols))
+       for key := range protocols {
+               ids = append(ids, key)
+       }
+       return ids
+}
+
+func (rc *InstanceOptions) initGlobalLogger() error {
+       if rc.Logger == nil {
+               rc.Logger = global.DefaultLoggerConfig()
+       }
+       if rc.Logger.File == nil {
+               rc.Logger.File = &global.File{}
+       }
+       if err := defaults.Set(rc.Logger); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(rc.Logger); err != nil {
+               return err
+       }
+       log, err := extension.GetLogger(rc.Logger.Driver, loggerURL(rc.Logger))
+       if err != nil {
+               return err
+       }
+       gostlog.SetLogger(log)
+       getty.SetLogger(log)
+       return nil
+}
+
+func loggerURL(l *global.LoggerConfig) *common.URL {
+       address := fmt.Sprintf("%s://%s", l.Driver, l.Level)
+       u, _ := common.NewURL(address,
+               common.WithParamsValue(constant.LoggerLevelKey, l.Level),
+               common.WithParamsValue(constant.LoggerDriverKey, l.Driver),
+               common.WithParamsValue(constant.LoggerFormatKey, l.Format),
+               common.WithParamsValue(constant.LoggerAppenderKey, l.Appender),
+               common.WithParamsValue(constant.LoggerFileNameKey, l.File.Name),
+               common.WithParamsValue(constant.LoggerFileNaxSizeKey, 
strconv.Itoa(l.File.MaxSize)),
+               common.WithParamsValue(constant.LoggerFileMaxBackupsKey, 
strconv.Itoa(l.File.MaxBackups)),
+               common.WithParamsValue(constant.LoggerFileMaxAgeKey, 
strconv.Itoa(l.File.MaxAge)),
+               common.WithParamsValue(constant.LoggerFileCompressKey, 
strconv.FormatBool(*l.File.Compress)),
+       )
+
+       if l.TraceIntegration != nil {
+               if l.TraceIntegration.Enabled != nil {
+                       u.AddParam(constant.LoggerTraceEnabledKey, 
strconv.FormatBool(*l.TraceIntegration.Enabled))
+               }
+               if l.TraceIntegration.RecordErrorToSpan != nil {
+                       u.AddParam(constant.LoggerTraceRecordErrorKey, 
strconv.FormatBool(*l.TraceIntegration.RecordErrorToSpan))
+               }
+       }
+
+       return u
+}
+
+func (rc *InstanceOptions) initGlobalConfigCenter() error {
+       if rc.ConfigCenter == nil {
+               return nil
+       }
+       cc := rc.ConfigCenter
+       if cc.Params == nil {
+               cc.Params = make(map[string]string)
+       }
+       if err := defaults.Set(cc); err != nil {
+               return err
+       }
+       if err := translateGlobalConfigAddress(cc); err != nil {
+               return err
+       }
+       if err := commonCfg.Verify(cc); err != nil {
+               return err
+       }
+       return rc.startGlobalConfigCenter()
+}
+
+func translateGlobalConfigAddress(cc *global.CenterConfig) error {
+       if !strings.Contains(cc.Address, "://") {
+               return nil
+       }
+       translatedURL, err := url.Parse(cc.Address)
+       if err != nil {
+               return err
+       }
+       cc.Protocol = translatedURL.Scheme
+       cc.Address = strings.ReplaceAll(cc.Address, translatedURL.Scheme+"://", 
"")
+       return nil
+}
+
+func (rc *InstanceOptions) startGlobalConfigCenter() error {
+       cc := rc.ConfigCenter
+       dynamicConfig, err := getGlobalDynamicConfiguration(cc)
+       if err != nil {
+               gostlog.Errorf("[Config Center] Start dynamic configuration 
center error, error message is %v", err)
+               return err
+       }
+
+       strConf, err := dynamicConfig.GetProperties(cc.DataId, 
config_center.WithGroup(cc.Group))
+       if err != nil {
+               gostlog.Warnf("[Config Center] Dynamic config center has 
started, but config may not be initialized, because: %s", err)
+               return nil
+       }
+       defer metrics.Publish(metricsConfigCenter.NewIncMetricEvent(cc.DataId, 
cc.Group, remoting.EventTypeAdd, cc.Protocol))
+       if len(strConf) == 0 {
+               gostlog.Warnf("[Config Center] Dynamic config center has 
started, but got empty config with config-center configuration %+v\n"+
+                       "Please check if your config-center config is 
correct.", cc)
+               return nil
+       }
+       conf := NewLoaderConf(WithDelim("."), WithGenre(cc.FileExtension), 
WithBytes([]byte(strConf)))
+       koan := GetConfigResolver(conf)
+       if err = koan.UnmarshalWithConf(rc.Prefix(), rc, 
koanf.UnmarshalConf{Tag: "yaml"}); err != nil {
+               return err
+       }
+
+       dynamicConfig.AddListener(cc.DataId, rc, 
config_center.WithGroup(cc.Group))
+       return nil
+}
+
+func getGlobalDynamicConfiguration(cc *global.CenterConfig) 
(config_center.DynamicConfiguration, error) {
+       envInstance := commonCfg.GetEnvInstance()
+       if envInstance.GetDynamicConfiguration() != nil {
+               return envInstance.GetDynamicConfiguration(), nil
+       }
+       dynamicConfig, err := createGlobalDynamicConfiguration(cc)
+       if err != nil {
+               return nil, err
+       }
+       envInstance.SetDynamicConfiguration(dynamicConfig)
+       return dynamicConfig, nil
+}
+
+func createGlobalDynamicConfiguration(cc *global.CenterConfig) 
(config_center.DynamicConfiguration, error) {
+       configCenterURL, err := globalConfigCenterURL(cc)
+       if err != nil {
+               return nil, err
+       }
+       factory, err := 
extension.GetConfigCenterFactory(configCenterURL.Protocol)
+       if err != nil {
+               return nil, err
+       }
+       return factory.GetDynamicConfiguration(configCenterURL)
+}
+
+func globalConfigCenterURL(cc *global.CenterConfig) (*common.URL, error) {
+       return common.NewURL(cc.Address,
+               common.WithProtocol(cc.Protocol),
+               common.WithParams(globalConfigCenterURLMap(cc)),
+               common.WithUsername(cc.Username),
+               common.WithPassword(cc.Password),
+       )
+}
+
+func globalConfigCenterURLMap(cc *global.CenterConfig) url.Values {
+       urlMap := url.Values{}
+       urlMap.Set(constant.ConfigNamespaceKey, cc.Namespace)
+       urlMap.Set(constant.ConfigGroupKey, cc.Group)
+       urlMap.Set(constant.ConfigClusterKey, cc.Cluster)
+       urlMap.Set(constant.ConfigAppIDKey, cc.AppID)
+       urlMap.Set(constant.ConfigTimeoutKey, cc.Timeout)
+       urlMap.Set(constant.ClientNameKey, 
clientNameID(constant.ConfigCenterPrefix, cc.Protocol, cc.Address))
+
+       for key, val := range cc.Params {
+               urlMap.Set(key, val)
+       }
+       return urlMap
+}
+
+func clientNameID(prefix, protocol, address string) string {
+       return strings.Join([]string{prefix, protocol, address}, "-")
+}
+
+func cloneInstanceOptions(rc *InstanceOptions) *InstanceOptions {
+       if rc == nil {
+               return nil
+       }
+       return &InstanceOptions{
+               Application:         rc.CloneApplication(),
+               Protocols:           rc.CloneProtocols(),
+               Registries:          rc.CloneRegistries(),
+               ConfigCenter:        rc.CloneConfigCenter(),
+               MetadataReport:      rc.CloneMetadataReport(),
+               Provider:            rc.CloneProvider(),
+               Consumer:            rc.CloneConsumer(),
+               Metrics:             rc.CloneMetrics(),
+               Otel:                rc.CloneOtel(),
+               Logger:              rc.CloneLogger(),
+               Shutdown:            rc.CloneShutdown(),
+               Router:              rc.CloneRouter(),
+               EventDispatcherType: rc.EventDispatcherType,
+               CacheFile:           rc.CacheFile,
+               Custom:              rc.CloneCustom(),
+               Profiles:            rc.CloneProfiles(),
+               TLSConfig:           rc.CloneTLSConfig(),
+       }
+}
+
+func (rc *InstanceOptions) Process(event *config_center.ConfigChangeEvent) {
+       gostlog.Infof("CenterConfig process event:\n%+v", event)
+       if event == nil {
+               return
+       }
+       value, ok := event.Value.(string)
+       if !ok {
+               gostlog.Errorf("CenterConfig process event value is not string")
+               return
+       }
+       conf := NewLoaderConf(WithBytes([]byte(value)))
+       koan := GetConfigResolver(conf)
+       next := cloneInstanceOptions(rc)
+       if err := koan.UnmarshalWithConf(next.Prefix(), next, 
koanf.UnmarshalConf{Tag: "yaml"}); err != nil {
+               gostlog.Errorf("CenterConfig process unmarshalConf failed, got 
error %#v", err)
+               return
+       }
+       if err := next.finalizeGlobalOptionsForDynamicUpdate(); err != nil {
+               gostlog.Errorf("CenterConfig process global init failed, got 
error %#v", err)
+               return
+       }
+       *rc = *next
+       setCompatRootConfig(compatRootConfig(rc))
+}

Review Comment:
   这个函数会被谁调用呀



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