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config.go
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config.go
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/*
* Tencent is pleased to support the open source community by making Blueking Container Service available.
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* Licensed under the MIT License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
* 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 xxx
package config
import (
"fmt"
"os"
"path"
"github.com/spf13/viper"
)
const (
// IpvsConfigFileName xxx
IpvsConfigFileName = "ipvsConfig.yaml"
)
// IpvsConfig xxx
type IpvsConfig struct {
Scheduler string `json:"scheduler"`
VirtualServer string `json:"vs"`
RealServer []string `json:"rs"`
}
// WriteIpvsConfig xxx
func WriteIpvsConfig(dir string, config IpvsConfig) error {
_, exist := os.Stat(dir)
if os.IsNotExist(exist) {
err := os.MkdirAll(dir, os.ModePerm)
if err != nil {
fmt.Println("create ipvs persist dir failed")
return err
}
}
viper.SetConfigFile(path.Join(dir, IpvsConfigFileName))
viper.Set("vs", config.VirtualServer)
viper.Set("rs", config.RealServer)
viper.Set("scheduler", config.Scheduler)
err := viper.WriteConfigAs(path.Join(dir, IpvsConfigFileName))
if err != nil {
fmt.Println("persist ipvs config to file failed")
return err
}
return nil
}
// ReadIpvsConfig xxx
func ReadIpvsConfig(dir string) (*IpvsConfig, error) {
_, exist := os.Stat(dir)
if os.IsNotExist(exist) {
err := fmt.Errorf("ipvs config persist dir [%s] not exists", dir)
return nil, err
}
viper.SetConfigFile(path.Join(dir, IpvsConfigFileName))
err := viper.ReadInConfig()
if err != nil {
fmt.Printf("read persist config failed, %v", err)
return nil, err
}
config := &IpvsConfig{
VirtualServer: viper.GetString("vs"),
RealServer: viper.GetStringSlice("rs"),
Scheduler: viper.GetString("scheduler"),
}
return config, nil
}