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metadata_report_config.go
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/
metadata_report_config.go
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/*
* 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 config
import (
"github.com/dubbogo/gost/log/logger"
perrors "github.com/pkg/errors"
)
import (
"dubbo.apache.org/dubbo-go/v3/common"
"dubbo.apache.org/dubbo-go/v3/common/constant"
"dubbo.apache.org/dubbo-go/v3/common/extension"
"dubbo.apache.org/dubbo-go/v3/config/instance"
)
// MetadataReportConfig is app level configuration
type MetadataReportConfig struct {
Protocol string `required:"true" yaml:"protocol" json:"protocol,omitempty"`
Address string `required:"true" yaml:"address" json:"address"`
Username string `yaml:"username" json:"username,omitempty"`
Password string `yaml:"password" json:"password,omitempty"`
Timeout string `yaml:"timeout" json:"timeout,omitempty"`
Group string `yaml:"group" json:"group,omitempty"`
Namespace string `yaml:"namespace" json:"namespace,omitempty"`
// metadataType of this application is defined by application config, local or remote
metadataType string
}
// Prefix dubbo.consumer
func (MetadataReportConfig) Prefix() string {
return constant.MetadataReportPrefix
}
func (mc *MetadataReportConfig) Init(rc *RootConfig) error {
if mc == nil {
return nil
}
mc.metadataType = rc.Application.MetadataType
return mc.StartMetadataReport()
}
func (mc *MetadataReportConfig) ToUrl() (*common.URL, error) {
res, err := common.NewURL(mc.Address,
common.WithUsername(mc.Username),
common.WithPassword(mc.Password),
common.WithLocation(mc.Address),
common.WithProtocol(mc.Protocol),
common.WithParamsValue(constant.TimeoutKey, mc.Timeout),
common.WithParamsValue(constant.MetadataReportGroupKey, mc.Group),
common.WithParamsValue(constant.MetadataReportNamespaceKey, mc.Namespace),
common.WithParamsValue(constant.MetadataTypeKey, mc.metadataType),
common.WithParamsValue(constant.ClientNameKey, clientNameID(mc, mc.Protocol, mc.Address)),
)
if err != nil || len(res.Protocol) == 0 {
return nil, perrors.New("Invalid MetadataReport Config.")
}
res.SetParam("metadata", res.Protocol)
return res, nil
}
func (mc *MetadataReportConfig) IsValid() bool {
return len(mc.Protocol) != 0
}
// StartMetadataReport The entry of metadata report start
func (mc *MetadataReportConfig) StartMetadataReport() error {
if mc == nil || !mc.IsValid() {
return nil
}
if tmpUrl, err := mc.ToUrl(); err == nil {
instance.GetMetadataReportInstance(tmpUrl)
return nil
} else {
return perrors.Wrap(err, "Start MetadataReport failed.")
}
}
func publishServiceDefinition(url *common.URL) {
localService, err := extension.GetLocalMetadataService(constant.DefaultKey)
if err != nil {
logger.Warnf("get local metadata service failed, please check if you have imported _ \"dubbo.apache.org/dubbo-go/v3/metadata/service/local\"")
return
}
localService.PublishServiceDefinition(url)
if url.GetParam(constant.MetadataTypeKey, "") != constant.RemoteMetadataStorageType {
return
}
if remoteMetadataService, err := extension.GetRemoteMetadataService(); err == nil && remoteMetadataService != nil {
remoteMetadataService.PublishServiceDefinition(url)
}
}
//
// selectMetadataServiceExportedURL get already be exported url
func selectMetadataServiceExportedURL() *common.URL {
var selectedUrl *common.URL
metaDataService, err := extension.GetLocalMetadataService(constant.DefaultKey)
if err != nil {
logger.Warnf("get metadata service exporter failed, pls check if you import _ \"dubbo.apache.org/dubbo-go/v3/metadata/service/local\"")
return nil
}
urlList, err := metaDataService.GetExportedURLs(constant.AnyValue, constant.AnyValue, constant.AnyValue, constant.AnyValue)
if err != nil {
panic(err)
}
if len(urlList) == 0 {
return nil
}
for _, url := range urlList {
selectedUrl = url
// rest first
if url.Protocol == "rest" {
break
}
}
return selectedUrl
}
type MetadataReportConfigBuilder struct {
metadataReportConfig *MetadataReportConfig
}
func NewMetadataReportConfigBuilder() *MetadataReportConfigBuilder {
return &MetadataReportConfigBuilder{metadataReportConfig: &MetadataReportConfig{}}
}
func (mrcb *MetadataReportConfigBuilder) SetProtocol(protocol string) *MetadataReportConfigBuilder {
mrcb.metadataReportConfig.Protocol = protocol
return mrcb
}
func (mrcb *MetadataReportConfigBuilder) SetAddress(address string) *MetadataReportConfigBuilder {
mrcb.metadataReportConfig.Address = address
return mrcb
}
func (mrcb *MetadataReportConfigBuilder) SetUsername(username string) *MetadataReportConfigBuilder {
mrcb.metadataReportConfig.Username = username
return mrcb
}
func (mrcb *MetadataReportConfigBuilder) SetPassword(password string) *MetadataReportConfigBuilder {
mrcb.metadataReportConfig.Password = password
return mrcb
}
func (mrcb *MetadataReportConfigBuilder) SetTimeout(timeout string) *MetadataReportConfigBuilder {
mrcb.metadataReportConfig.Timeout = timeout
return mrcb
}
func (mrcb *MetadataReportConfigBuilder) SetGroup(group string) *MetadataReportConfigBuilder {
mrcb.metadataReportConfig.Group = group
return mrcb
}
func (mrcb *MetadataReportConfigBuilder) Build() *MetadataReportConfig {
return mrcb.metadataReportConfig
}