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Passing a full duration as retention period is more flexible

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This commit is contained in:
Frederik Ring
2025-02-06 15:33:08 +01:00
parent 23756074f9
commit 378217e517
6 changed files with 23 additions and 7 deletions
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1
cmd/backup/config.go
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@@ -38,6 +38,7 @@ type Config struct {
BackupArchive string `split_words:"true" default:"/archive"`
BackupCronExpression string `split_words:"true" default:"@daily"`
BackupRetentionDays int32 `split_words:"true" default:"-1"`
BackupRetentionPeriod time.Duration `split_words:"true"`
BackupPruningLeeway time.Duration `split_words:"true" default:"1m"`
BackupPruningPrefix string `split_words:"true"`
BackupStopContainerLabel string `split_words:"true"`

11
cmd/backup/prune_backups.go
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@@ -17,11 +17,18 @@ import (
// the given configuration. In case the given configuration would delete all
// backups, it does nothing instead and logs a warning.
func (s *script) pruneBackups() error {
if s.c.BackupRetentionDays < 0 {
if s.c.BackupRetentionDays < 0 && s.c.BackupRetentionPeriod == 0 {
return nil
}
deadline := time.Now().AddDate(0, 0, -int(s.c.BackupRetentionDays)).Add(s.c.BackupPruningLeeway)
var deadline time.Time
if s.c.BackupRetentionPeriod != 0 {
deadline = time.Now().Add(-s.c.BackupRetentionPeriod)
} else {
s.logger.Warn("Using BACKUP_RETENTION_DAYS has been deprecated and will be removed in the next major version. Please use BACKUP_RETENTION_PERIOD instead.")
deadline = time.Now().AddDate(0, 0, -int(s.c.BackupRetentionDays))
}
deadline = deadline.Add(s.c.BackupPruningLeeway)
eg := errgroup.Group{}
for _, backend := range s.storages {

4
cmd/backup/script.go
View File

@@ -225,6 +225,10 @@ func (s *script) init() error {
s.storages = append(s.storages, dropboxBackend)
}
if s.c.BackupRetentionDays > 0 && s.c.BackupRetentionPeriod > 0 {
return errwrap.Wrap(nil, "both BACKUP_RETENTION_DAYS and BACKUP_RETENTION_PERIOD were configured, which are mutually exclusive")
}
if s.c.EmailNotificationRecipient != "" {
emailURL := fmt.Sprintf(
"smtp://%s:%s@%s:%d/?from=%s&to=%s",