mirror of
https://github.com/drakkan/sftpgo.git
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96 lines
2.4 KiB
Go
96 lines
2.4 KiB
Go
package dataprovider
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import (
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"fmt"
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"sync/atomic"
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"time"
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"github.com/robfig/cron/v3"
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"github.com/drakkan/sftpgo/v2/logger"
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"github.com/drakkan/sftpgo/v2/metric"
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"github.com/drakkan/sftpgo/v2/util"
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)
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var (
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scheduler *cron.Cron
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lastCachesUpdate int64
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// used for bolt and memory providers, so we avoid iterating all users
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// to find recently modified ones
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lastUserUpdate int64
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)
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func stopScheduler() {
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if scheduler != nil {
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scheduler.Stop()
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scheduler = nil
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}
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}
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func startScheduler() error {
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stopScheduler()
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scheduler = cron.New()
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_, err := scheduler.AddFunc("@every 30s", checkDataprovider)
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if err != nil {
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return fmt.Errorf("unable to schedule dataprovider availability check: %w", err)
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}
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if config.AutoBackup.Enabled {
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spec := fmt.Sprintf("0 %v * * %v", config.AutoBackup.Hour, config.AutoBackup.DayOfWeek)
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_, err = scheduler.AddFunc(spec, config.doBackup)
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if err != nil {
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return fmt.Errorf("unable to schedule auto backup: %w", err)
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}
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}
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err = addScheduledCacheUpdates()
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if err != nil {
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return err
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}
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scheduler.Start()
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return nil
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}
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func addScheduledCacheUpdates() error {
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lastCachesUpdate = util.GetTimeAsMsSinceEpoch(time.Now())
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_, err := scheduler.AddFunc("@every 10m", checkCacheUpdates)
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if err != nil {
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return fmt.Errorf("unable to schedule cache updates: %w", err)
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}
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return nil
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}
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func checkDataprovider() {
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err := provider.checkAvailability()
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if err != nil {
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providerLog(logger.LevelError, "check availability error: %v", err)
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}
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metric.UpdateDataProviderAvailability(err)
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}
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func checkCacheUpdates() {
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providerLog(logger.LevelDebug, "start caches check, update time %v", util.GetTimeFromMsecSinceEpoch(lastCachesUpdate))
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checkTime := util.GetTimeAsMsSinceEpoch(time.Now())
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users, err := provider.getRecentlyUpdatedUsers(lastCachesUpdate)
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if err != nil {
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providerLog(logger.LevelError, "unable to get recently updated users: %v", err)
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return
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}
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for _, user := range users {
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providerLog(logger.LevelDebug, "invalidate caches for user %#v", user.Username)
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webDAVUsersCache.swap(&user)
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cachedPasswords.Remove(user.Username)
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}
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lastCachesUpdate = checkTime
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providerLog(logger.LevelDebug, "end caches check, new update time %v", util.GetTimeFromMsecSinceEpoch(lastCachesUpdate))
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}
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func setLastUserUpdate() {
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atomic.StoreInt64(&lastUserUpdate, util.GetTimeAsMsSinceEpoch(time.Now()))
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}
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func getLastUserUpdate() int64 {
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return atomic.LoadInt64(&lastUserUpdate)
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}
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