239 lines
8 KiB
Go
239 lines
8 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/crowdsecurity/crowdsec/cmd/crowdsec-cli/require"
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"github.com/crowdsecurity/crowdsec/pkg/cwhub"
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)
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func backupHub(dirPath string) error {
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hub, err := require.Hub(csConfig, nil, nil)
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if err != nil {
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return err
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}
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for _, itemType := range cwhub.ItemTypes {
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clog := log.WithFields(log.Fields{
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"type": itemType,
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})
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itemMap := hub.GetItemMap(itemType)
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if itemMap == nil {
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clog.Infof("No %s to backup.", itemType)
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continue
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}
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itemDirectory := fmt.Sprintf("%s/%s/", dirPath, itemType)
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if err = os.MkdirAll(itemDirectory, os.ModePerm); err != nil {
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return fmt.Errorf("error while creating %s : %s", itemDirectory, err)
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}
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upstreamParsers := []string{}
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for k, v := range itemMap {
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clog = clog.WithFields(log.Fields{
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"file": v.Name,
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})
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if !v.State.Installed { //only backup installed ones
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clog.Debugf("[%s] : not installed", k)
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continue
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}
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//for the local/tainted ones, we back up the full file
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if v.State.Tainted || v.State.IsLocal() || !v.State.UpToDate {
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//we need to backup stages for parsers
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if itemType == cwhub.PARSERS || itemType == cwhub.POSTOVERFLOWS {
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fstagedir := fmt.Sprintf("%s%s", itemDirectory, v.Stage)
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if err = os.MkdirAll(fstagedir, os.ModePerm); err != nil {
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return fmt.Errorf("error while creating stage dir %s : %s", fstagedir, err)
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}
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}
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clog.Debugf("[%s]: backing up file (tainted:%t local:%t up-to-date:%t)", k, v.State.Tainted, v.State.IsLocal(), v.State.UpToDate)
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tfile := fmt.Sprintf("%s%s/%s", itemDirectory, v.Stage, v.FileName)
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if err = CopyFile(v.State.LocalPath, tfile); err != nil {
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return fmt.Errorf("failed copy %s %s to %s : %s", itemType, v.State.LocalPath, tfile, err)
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}
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clog.Infof("local/tainted saved %s to %s", v.State.LocalPath, tfile)
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continue
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}
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clog.Debugf("[%s] : from hub, just backup name (up-to-date:%t)", k, v.State.UpToDate)
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clog.Infof("saving, version:%s, up-to-date:%t", v.Version, v.State.UpToDate)
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upstreamParsers = append(upstreamParsers, v.Name)
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}
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//write the upstream items
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upstreamParsersFname := fmt.Sprintf("%s/upstream-%s.json", itemDirectory, itemType)
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upstreamParsersContent, err := json.MarshalIndent(upstreamParsers, "", " ")
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if err != nil {
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return fmt.Errorf("failed marshaling upstream parsers : %s", err)
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}
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err = os.WriteFile(upstreamParsersFname, upstreamParsersContent, 0o644)
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if err != nil {
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return fmt.Errorf("unable to write to %s %s : %s", itemType, upstreamParsersFname, err)
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}
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clog.Infof("Wrote %d entries for %s to %s", len(upstreamParsers), itemType, upstreamParsersFname)
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}
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return nil
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}
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/*
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Backup crowdsec configurations to directory <dirPath>:
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- Main config (config.yaml)
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- Profiles config (profiles.yaml)
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- Simulation config (simulation.yaml)
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- Backup of API credentials (local API and online API)
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- List of scenarios, parsers, postoverflows and collections that are up-to-date
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- Tainted/local/out-of-date scenarios, parsers, postoverflows and collections
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- Acquisition files (acquis.yaml, acquis.d/*.yaml)
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*/
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func backupConfigToDirectory(dirPath string) error {
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var err error
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if dirPath == "" {
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return fmt.Errorf("directory path can't be empty")
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}
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log.Infof("Starting configuration backup")
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/*if parent directory doesn't exist, bail out. create final dir with Mkdir*/
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parentDir := filepath.Dir(dirPath)
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if _, err = os.Stat(parentDir); err != nil {
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return fmt.Errorf("while checking parent directory %s existence: %w", parentDir, err)
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}
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if err = os.Mkdir(dirPath, 0o700); err != nil {
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return fmt.Errorf("while creating %s: %w", dirPath, err)
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}
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if csConfig.ConfigPaths.SimulationFilePath != "" {
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backupSimulation := filepath.Join(dirPath, "simulation.yaml")
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if err = CopyFile(csConfig.ConfigPaths.SimulationFilePath, backupSimulation); err != nil {
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return fmt.Errorf("failed copy %s to %s: %w", csConfig.ConfigPaths.SimulationFilePath, backupSimulation, err)
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}
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log.Infof("Saved simulation to %s", backupSimulation)
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}
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/*
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- backup AcquisitionFilePath
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- backup the other files of acquisition directory
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*/
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if csConfig.Crowdsec != nil && csConfig.Crowdsec.AcquisitionFilePath != "" {
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backupAcquisition := filepath.Join(dirPath, "acquis.yaml")
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if err = CopyFile(csConfig.Crowdsec.AcquisitionFilePath, backupAcquisition); err != nil {
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return fmt.Errorf("failed copy %s to %s: %s", csConfig.Crowdsec.AcquisitionFilePath, backupAcquisition, err)
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}
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}
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acquisBackupDir := filepath.Join(dirPath, "acquis")
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if err = os.Mkdir(acquisBackupDir, 0o700); err != nil {
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return fmt.Errorf("error while creating %s: %s", acquisBackupDir, err)
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}
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if csConfig.Crowdsec != nil && len(csConfig.Crowdsec.AcquisitionFiles) > 0 {
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for _, acquisFile := range csConfig.Crowdsec.AcquisitionFiles {
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/*if it was the default one, it was already backup'ed*/
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if csConfig.Crowdsec.AcquisitionFilePath == acquisFile {
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continue
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}
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targetFname, err := filepath.Abs(filepath.Join(acquisBackupDir, filepath.Base(acquisFile)))
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if err != nil {
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return fmt.Errorf("while saving %s to %s: %w", acquisFile, acquisBackupDir, err)
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}
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if err = CopyFile(acquisFile, targetFname); err != nil {
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return fmt.Errorf("failed copy %s to %s: %w", acquisFile, targetFname, err)
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}
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log.Infof("Saved acquis %s to %s", acquisFile, targetFname)
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}
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}
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if ConfigFilePath != "" {
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backupMain := fmt.Sprintf("%s/config.yaml", dirPath)
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if err = CopyFile(ConfigFilePath, backupMain); err != nil {
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return fmt.Errorf("failed copy %s to %s: %s", ConfigFilePath, backupMain, err)
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}
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log.Infof("Saved default yaml to %s", backupMain)
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}
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if csConfig.API != nil && csConfig.API.Server != nil && csConfig.API.Server.OnlineClient != nil && csConfig.API.Server.OnlineClient.CredentialsFilePath != "" {
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backupCAPICreds := fmt.Sprintf("%s/online_api_credentials.yaml", dirPath)
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if err = CopyFile(csConfig.API.Server.OnlineClient.CredentialsFilePath, backupCAPICreds); err != nil {
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return fmt.Errorf("failed copy %s to %s: %s", csConfig.API.Server.OnlineClient.CredentialsFilePath, backupCAPICreds, err)
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}
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log.Infof("Saved online API credentials to %s", backupCAPICreds)
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}
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if csConfig.API != nil && csConfig.API.Client != nil && csConfig.API.Client.CredentialsFilePath != "" {
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backupLAPICreds := fmt.Sprintf("%s/local_api_credentials.yaml", dirPath)
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if err = CopyFile(csConfig.API.Client.CredentialsFilePath, backupLAPICreds); err != nil {
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return fmt.Errorf("failed copy %s to %s: %s", csConfig.API.Client.CredentialsFilePath, backupLAPICreds, err)
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}
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log.Infof("Saved local API credentials to %s", backupLAPICreds)
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}
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if csConfig.API != nil && csConfig.API.Server != nil && csConfig.API.Server.ProfilesPath != "" {
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backupProfiles := fmt.Sprintf("%s/profiles.yaml", dirPath)
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if err = CopyFile(csConfig.API.Server.ProfilesPath, backupProfiles); err != nil {
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return fmt.Errorf("failed copy %s to %s: %s", csConfig.API.Server.ProfilesPath, backupProfiles, err)
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}
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log.Infof("Saved profiles to %s", backupProfiles)
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}
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if err = backupHub(dirPath); err != nil {
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return fmt.Errorf("failed to backup hub config: %s", err)
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}
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return nil
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}
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func runConfigBackup(cmd *cobra.Command, args []string) error {
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if err := backupConfigToDirectory(args[0]); err != nil {
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return fmt.Errorf("failed to backup config: %w", err)
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}
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return nil
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}
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func NewConfigBackupCmd() *cobra.Command {
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cmdConfigBackup := &cobra.Command{
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Use: `backup "directory"`,
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Short: "Backup current config",
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Long: `Backup the current crowdsec configuration including :
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- Main config (config.yaml)
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- Simulation config (simulation.yaml)
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- Profiles config (profiles.yaml)
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- List of scenarios, parsers, postoverflows and collections that are up-to-date
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- Tainted/local/out-of-date scenarios, parsers, postoverflows and collections
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- Backup of API credentials (local API and online API)`,
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Example: `cscli config backup ./my-backup`,
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Args: cobra.ExactArgs(1),
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DisableAutoGenTag: true,
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RunE: runConfigBackup,
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}
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return cmdConfigBackup
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}
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