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https://github.com/hibiken/asynq.git
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37 lines
1.1 KiB
Go
37 lines
1.1 KiB
Go
package asynq
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import (
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"log"
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"math"
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"math/rand"
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"time"
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"github.com/hibiken/asynq/internal/rdb"
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)
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func retryTask(r *rdb.RDB, msg *rdb.TaskMessage, err error) {
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msg.ErrorMsg = err.Error()
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if msg.Retried >= msg.Retry {
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log.Printf("[WARN] Retry exhausted for task(Type: %q, ID: %v)\n", msg.Type, msg.ID)
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if err := r.Kill(msg); err != nil {
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log.Printf("[ERROR] Could not add task %+v to 'dead'\n", err)
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}
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return
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}
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retryAt := time.Now().Add(delaySeconds((msg.Retried)))
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log.Printf("[INFO] Retrying task(Type: %q, ID: %v) in %v\n", msg.Type, msg.ID, retryAt.Sub(time.Now()))
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msg.Retried++
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if err := r.Schedule(rdb.Retry, retryAt, msg); err != nil {
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log.Printf("[ERROR] Could not add msg %+v to 'retry': %v\n", msg, err)
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return
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}
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}
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// delaySeconds returns a number seconds to delay before retrying.
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// Formula taken from https://github.com/mperham/sidekiq.
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func delaySeconds(count int) time.Duration {
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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s := int(math.Pow(float64(count), 4)) + 15 + (r.Intn(30) * (count + 1))
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return time.Duration(s) * time.Second
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}
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