sftpgo-mirror/dataprovider/scheduler.go
Nicola Murino 5582f5c811
data provider: add automatic backups
Automatic backup are enabled by default, a new backup will be saved
each day at midnight.

The backups_path setting was moved from the httpd section to the
data_provider one, please adjust your configuration file and or your
env vars

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
2022-03-13 13:45:07 +01:00

91 lines
2.3 KiB
Go

package dataprovider
import (
"fmt"
"time"
"github.com/robfig/cron/v3"
"github.com/drakkan/sftpgo/v2/logger"
"github.com/drakkan/sftpgo/v2/metric"
"github.com/drakkan/sftpgo/v2/util"
)
var (
scheduler *cron.Cron
lastCachesUpdate int64
)
func stopScheduler() {
if scheduler != nil {
scheduler.Stop()
scheduler = nil
}
}
func startScheduler() error {
stopScheduler()
scheduler = cron.New()
_, err := scheduler.AddFunc("@every 30s", checkDataprovider)
if err != nil {
return fmt.Errorf("unable to schedule dataprovider availability check: %w", err)
}
if config.AutoBackup.Enabled {
spec := fmt.Sprintf("0 %v * * %v", config.AutoBackup.Hour, config.AutoBackup.DayOfWeek)
_, err = scheduler.AddFunc(spec, config.doBackup)
if err != nil {
return fmt.Errorf("unable to schedule auto backup: %w", err)
}
}
err = addScheduledCacheUpdates()
if err != nil {
return err
}
scheduler.Start()
return nil
}
func addScheduledCacheUpdates() error {
if config.IsShared == 0 {
return nil
}
if !util.IsStringInSlice(config.Driver, sharedProviders) {
providerLog(logger.LevelError, "update caches not supported for provider %v", config.Driver)
return nil
}
lastCachesUpdate = util.GetTimeAsMsSinceEpoch(time.Now())
_, err := scheduler.AddFunc("@every 10m", checkCacheUpdates)
if err != nil {
return fmt.Errorf("unable to schedule cache updates: %w", err)
}
return nil
}
func checkDataprovider() {
err := provider.checkAvailability()
if err != nil {
providerLog(logger.LevelError, "check availability error: %v", err)
}
metric.UpdateDataProviderAvailability(err)
}
func checkCacheUpdates() {
providerLog(logger.LevelDebug, "start caches check, update time %v", util.GetTimeFromMsecSinceEpoch(lastCachesUpdate))
checkTime := util.GetTimeAsMsSinceEpoch(time.Now())
users, err := provider.getRecentlyUpdatedUsers(lastCachesUpdate)
if err != nil {
providerLog(logger.LevelError, "unable to get recently updated users: %v", err)
return
}
for _, user := range users {
providerLog(logger.LevelDebug, "invalidate caches for user %#v", user.Username)
webDAVUsersCache.swap(&user)
cachedPasswords.Remove(user.Username)
}
lastCachesUpdate = checkTime
providerLog(logger.LevelDebug, "end caches check, new update time %v", util.GetTimeFromMsecSinceEpoch(lastCachesUpdate))
}