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65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
package nacos_viper_remote
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import (
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"bytes"
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"errors"
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"github.com/spf13/viper"
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"io"
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)
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//var nacosOptions = &Option{}
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func SetOptions(option *Option) {
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manager, _ := NewNacosConfigManager(option)
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viper.SupportedRemoteProviders = []string{"nacos"}
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viper.RemoteConfig = &remoteConfigProvider{ConfigManager: manager}
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}
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type remoteConfigProvider struct {
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ConfigManager *nacosConfigManager
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}
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func (rc *remoteConfigProvider) Get(rp viper.RemoteProvider) (io.Reader, error) {
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cmt, err := rc.getConfigManager(rp)
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if err != nil {
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return nil, err
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}
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var b []byte
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switch cm := cmt.(type) {
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case viperConfigManager:
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b, err = cm.Get(rp.Path())
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}
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if err != nil {
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return nil, err
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}
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return bytes.NewReader(b), nil
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}
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func (rc *remoteConfigProvider) Watch(rp viper.RemoteProvider) (io.Reader, error) {
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return rc.Get(rp)
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}
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func (rc *remoteConfigProvider) WatchChannel(rp viper.RemoteProvider) (<-chan *viper.RemoteResponse, chan bool) {
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cmt, err := rc.getConfigManager(rp)
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if err != nil {
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return nil, nil
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}
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switch cm := cmt.(type) {
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case viperConfigManager:
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quit := make(chan bool)
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viperResponseCh := cm.Watch("dataId", quit)
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return viperResponseCh, quit
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}
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return nil, nil
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}
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func (rc *remoteConfigProvider) getConfigManager(rp viper.RemoteProvider) (interface{}, error) {
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if rp.Provider() == "nacos" {
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return rc.ConfigManager, nil
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} else {
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return nil, errors.New("The Nacos configuration manager is not supported!")
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}
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}
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