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// Copyright (C) 2019-2024 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"fmt"
"os"
"reflect"
"github.com/spf13/cobra"
"github.com/algorand/go-algorand/cmd/util/datadir"
"github.com/algorand/go-algorand/config"
)
var (
getParameterArg string
)
func init() {
getCmd.Flags().StringVarP(&getParameterArg, "parameter", "p", "", "Parameter to query")
getCmd.MarkFlagRequired("parameter")
rootCmd.AddCommand(getCmd)
}
var getCmd = &cobra.Command{
Use: "get",
Short: "Retrieve the current value for the specified parameter",
Args: cobra.NoArgs,
Run: func(cmd *cobra.Command, _ []string) {
anyError := false
datadir.OnDataDirs(func(dataDir string) {
cfg, err := config.LoadConfigFromDisk(dataDir)
if err != nil && !os.IsNotExist(err) {
reportWarnf("Error loading config file from '%s' - %s", dataDir, err)
anyError = true
return
}
val, err := serializeObjectProperty(cfg, getParameterArg)
if err != nil {
reportWarnf("Error retrieving property '%s' - %s", getParameterArg, err)
anyError = true
return
}
fmt.Print(val)
})
if anyError {
os.Exit(1)
}
},
}
func serializeObjectProperty(object interface{}, property string) (ret string, err error) {
v := reflect.ValueOf(object)
val := reflect.Indirect(v)
f := val.FieldByName(property)
if !f.IsValid() {
return "", fmt.Errorf("unknown property named '%s'", property)
}
return fmt.Sprintf("%v", f.Interface()), nil
}
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