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config.go
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config.go
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// Copyright 2019 VMware, Inc.
// SPDX-License-Identifier: Apache-2.0
//
// Licensed 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 main
import (
"fmt"
"github.com/fsnotify/fsnotify"
"github.com/sirupsen/logrus"
"github.com/spf13/viper"
)
const (
aclRules = "aclRules"
)
// ViperConfig is a configuration state container
type ViperConfig struct {
viperConfig *viper.Viper
}
func initConfig() *ViperConfig {
viperConfig := viper.New()
viperConfig.SetConfigName("config")
viperConfig.AddConfigPath("/etc/vppagent-acl-filter/")
if err := viperConfig.ReadInConfig(); err == nil {
viperConfig.WatchConfig()
viperConfig.OnConfigChange(func(e fsnotify.Event) {
fmt.Println("Config file changed:", e.Name)
})
} else {
logrus.Errorf("Error reading the config file: %s \n", err)
}
logrus.Infof("ACL filter config finished")
return &ViperConfig{viperConfig: viperConfig}
}
func (v *ViperConfig) getACLRulesConfig() map[string]string {
return v.viperConfig.GetStringMapString(aclRules)
}