88 lines
1.9 KiB
Go
88 lines
1.9 KiB
Go
package verification
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import (
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"context"
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"sync"
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"time"
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)
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const DefaultOperationalCleanupInterval = time.Hour
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type OperationalCleanupRunner struct {
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store *EventStore
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rateLimits *PersistentRateLimiter
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interval time.Duration
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once sync.Once
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stop chan struct{}
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done chan struct{}
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now func() time.Time
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}
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func NewOperationalCleanupRunner(store *EventStore, rateLimits ...*PersistentRateLimiter) *OperationalCleanupRunner {
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runner := &OperationalCleanupRunner{store: store, interval: DefaultOperationalCleanupInterval, now: time.Now}
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if len(rateLimits) > 0 {
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runner.rateLimits = rateLimits[0]
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}
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return runner
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}
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func (r *OperationalCleanupRunner) Start() {
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if r == nil || r.store == nil {
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return
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}
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r.once.Do(func() {
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r.stop = make(chan struct{})
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r.done = make(chan struct{})
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go func() {
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defer close(r.done)
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r.runOnce()
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ticker := time.NewTicker(r.interval)
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defer ticker.Stop()
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for {
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select {
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case <-ticker.C:
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r.runOnce()
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case <-r.stop:
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return
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}
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}
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}()
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})
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}
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func (r *OperationalCleanupRunner) Stop() {
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if r == nil || r.stop == nil {
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return
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}
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close(r.stop)
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<-r.done
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r.stop = nil
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r.done = nil
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}
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func (r *OperationalCleanupRunner) runOnce() {
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if r == nil || r.store == nil {
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return
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}
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now := time.Now()
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if r.now != nil {
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now = r.now()
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}
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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lease, acquired, err := r.store.TryAcquireCleanupLease(ctx, now)
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if err != nil || !acquired {
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return
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}
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if _, err = r.store.Cleanup(ctx, now); err == nil && r.rateLimits != nil {
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_, err = r.rateLimits.Cleanup(ctx, now)
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}
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if err != nil {
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_ = r.store.FailCleanup(ctx, lease, now)
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_ = r.store.Record(EventInput{Purpose: PurposeLogin, Action: "cleanup", Outcome: "failure"})
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return
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}
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_ = r.store.FinishCleanup(ctx, lease, now)
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_ = r.store.Record(EventInput{Purpose: PurposeLogin, Action: "cleanup", Outcome: "success"})
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}
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