mirror of
https://github.com/spf13/viper
synced 2024-08-25 02:06:21 +00:00
78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
|
// Copyright © 2015 Steve Francia <spf@spf13.com>.
|
||
|
//
|
||
|
// Use of this source code is governed by an MIT-style
|
||
|
// license that can be found in the LICENSE file.
|
||
|
|
||
|
// Package remote integrates the remote features of Viper.
|
||
|
package remote
|
||
|
|
||
|
import (
|
||
|
"bytes"
|
||
|
"github.com/spf13/viper"
|
||
|
crypt "github.com/xordataexchange/crypt/config"
|
||
|
"io"
|
||
|
"os"
|
||
|
)
|
||
|
|
||
|
type remoteConfigProvider struct{}
|
||
|
|
||
|
func (rc remoteConfigProvider) Get(rp viper.RemoteProvider) (io.Reader, error) {
|
||
|
cm, err := getConfigManager(rp)
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
b, err := cm.Get(rp.Path())
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
return bytes.NewReader(b), nil
|
||
|
}
|
||
|
|
||
|
func (rc remoteConfigProvider) Watch(rp viper.RemoteProvider) (io.Reader, error) {
|
||
|
cm, err := getConfigManager(rp)
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
resp := <-cm.Watch(rp.Path(), nil)
|
||
|
err = resp.Error
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
|
||
|
return bytes.NewReader(resp.Value), nil
|
||
|
}
|
||
|
|
||
|
func getConfigManager(rp viper.RemoteProvider) (crypt.ConfigManager, error) {
|
||
|
|
||
|
var cm crypt.ConfigManager
|
||
|
var err error
|
||
|
|
||
|
if rp.SecretKeyring() != "" {
|
||
|
kr, err := os.Open(rp.SecretKeyring())
|
||
|
defer kr.Close()
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
if rp.Provider() == "etcd" {
|
||
|
cm, err = crypt.NewEtcdConfigManager([]string{rp.Endpoint()}, kr)
|
||
|
} else {
|
||
|
cm, err = crypt.NewConsulConfigManager([]string{rp.Endpoint()}, kr)
|
||
|
}
|
||
|
} else {
|
||
|
if rp.Provider() == "etcd" {
|
||
|
cm, err = crypt.NewStandardEtcdConfigManager([]string{rp.Endpoint()})
|
||
|
} else {
|
||
|
cm, err = crypt.NewStandardConsulConfigManager([]string{rp.Endpoint()})
|
||
|
}
|
||
|
}
|
||
|
if err != nil {
|
||
|
return nil, err
|
||
|
}
|
||
|
return cm, nil
|
||
|
|
||
|
}
|
||
|
|
||
|
func init() {
|
||
|
viper.RemoteConfig = &remoteConfigProvider{}
|
||
|
}
|