@chrismichaelps / pudu-lang-resilience
Resilience pipelines for Pudu: retry, circuit breaker, timeout, fallback, hedging, rate limiting, and chaos injection
0.1.0Apache-2.01
InstallClose
Use @chrismichaelps/pudu-lang-resilience
Install this release
From your project, run:
pudu install @chrismichaelps/pudu-lang-resilience@0.1.0An exact version can install a new release immediately. Without a version, pudu follows the 72-hour minimum release age for new resolutions.
pudu install @chrismichaelps/pudu-lang-resilienceThen import it
import PuduLangResilience as PuduLangResilienceTo contribute
git clone https://github.com/chrismichaelps/pudu-lang-resilience
Weighted.pudu
1/** @Chaos.Weighted.Module — picks one of several values by weight */2module PuduLangResilience.Chaos.Weighted34import PuduLangResilience.Chaos as Chaos5import PuduLangResilience.Randomizer as Randomizer67/// A generator answering each value with a chance in proportion to its weight. Weights below8/// one are never chosen; with no positive weight it answers nothing.9export fn choose[V](choices: &Array[(Int, V)]) -> fn(Chaos.Arguments) -> Option[V] {10 let options = *choices11 fn(given: Chaos.Arguments) -> Option[V] {12 var total = 013 for choice in options {14 if choice[0] > 0 { total = total + choice[0] }15 }16 if total == 0 { return None }17 var point = Randomizer.below(&given.randomizer, total)18 for choice in options {19 if choice[0] > 0 {20 if point < choice[0] { return Some(choice[1]) }21 point = point - choice[0]22 }23 }24 None25 }26}27