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// Copyright (C) 2019-2023 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"
"path/filepath"
"github.com/spf13/cobra"
"github.com/algorand/go-algorand/config"
)
var (
dataDir string
)
func init() {
metricCmd.AddCommand(metricStatusCmd)
metricCmd.AddCommand(metricEnableCmd)
metricCmd.AddCommand(metricDisableCmd)
// override the data directory, if provided in the command.
metricCmd.PersistentFlags().StringVarP(&dataDir, "dataDir", "d", os.ExpandEnv("$ALGORAND_DATA"), "Data directory")
}
var metricCmd = &cobra.Command{
Use: "metric -d dataDir",
Short: "Control and manage Algorand metrics",
Long: `Enable/disable and configure Algorand remote logging`,
Run: metricStatusCmd.Run,
}
var metricStatusCmd = &cobra.Command{
Use: "status -d dataDir",
Short: "Print the node's metric status",
Long: `Print the node's metric status`,
Run: func(cmd *cobra.Command, args []string) {
actualConfigPath, err := getConfigFilePath()
if err != nil {
fmt.Printf(metricNoConfig, fmt.Sprintf("%v", err))
return
}
localConfig, err := config.LoadConfigFromDisk(actualConfigPath)
if err != nil {
fmt.Printf(metricConfigReadingFailed, fmt.Sprintf("%v", err))
return
}
if localConfig.EnableMetricReporting {
fmt.Printf(metricReportingStatus, "enabled")
} else {
fmt.Printf(metricReportingStatus, "disabled")
}
},
}
var metricEnableCmd = &cobra.Command{
Use: "enable -d dataDir",
Short: "Enable metric collection on node",
Long: `Enable metric collection on node`,
Run: func(cmd *cobra.Command, args []string) {
metricEnableDisable(true)
},
}
var metricDisableCmd = &cobra.Command{
Use: "disable -d dataDir",
Short: "Disable metric collection on node",
Long: `Disable metric collection on node`,
Run: func(cmd *cobra.Command, args []string) {
metricEnableDisable(false)
},
}
func metricEnableDisable(enable bool) {
actualConfigPath, err := getConfigFilePath()
if err != nil {
fmt.Printf(metricNoConfig, fmt.Sprintf("%v", err))
return
}
localConfig, err := config.LoadConfigFromDisk(actualConfigPath)
if err != nil {
fmt.Printf(metricConfigReadingFailed, fmt.Sprintf("%v", err))
return
}
localConfig.EnableMetricReporting = enable
err = localConfig.SaveToDisk(actualConfigPath)
if err != nil {
fmt.Printf(metricSaveConfigFailed, fmt.Sprintf("%v", err))
}
return
}
func getConfigFilePath() (string, error) {
maybeUpdateDataDirFromEnv()
configFilePath := dataDir
if configFilePath == "" {
return "", fmt.Errorf("%s", metricDataDirectoryEmpty)
}
// check if directory exists.
if configDirFile, err := os.Open(configFilePath); err == nil {
configDirFile.Close()
} else {
return "", err
}
// check if actual file exists.
if configFile, err := os.Open(filepath.Join(configFilePath, config.ConfigFilename)); err == nil {
configFile.Close()
} else {
return "", err
}
return configFilePath, nil
}
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