// timeBasedCleaner deletes those znodes in the base path older than t.
func timeBasedCleaner(client *ezk.Client, base string, t time.Duration) error {
now := unixMilli()
// Read all the childrens
children, _, err := client.Children(base)
if err != nil {
return err
}
// Iterate to all the childrents reading the creation time
millis := int64(t / time.Millisecond)
for i := range children {
node := join(base, children[i])
ok, stat, err := client.Exists(node)
if err != nil {
return err
}
// Delete locks older than SchedulerLockTime
if ok && stat.Ctime+millis < now {
if err := client.Delete(node, stat.Version); err != nil && err != zk.ErrNoNode {
return err
}
}
}
return nil
}
