How to use stopWhenDurationIsReached method of executor Package

Best K6 code snippet using executor.stopWhenDurationIsReached

externally_controlled.go

Source:externally_controlled.go Github

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...271 return nil272 }273}274// This is a helper function that is used in run for non-infinite durations.275func (mex *ExternallyControlled) stopWhenDurationIsReached(ctx context.Context, duration time.Duration, cancel func()) {276 ctxDone := ctx.Done()277 checkInterval := time.NewTicker(100 * time.Millisecond)278 for {279 select {280 case <-ctxDone:281 checkInterval.Stop()282 return283 // TODO: something saner and more optimized that sleeps for pauses and284 // doesn't depend on the global execution state?285 case <-checkInterval.C:286 elapsed := mex.executionState.GetCurrentTestRunDuration() - mex.config.StartTime.TimeDuration()287 if elapsed >= duration {288 cancel()289 return290 }291 }292 }293}294// manualVUHandle is a wrapper around the vuHandle helper, used in the295// ramping-vus executor. Here, instead of using its getVU and returnVU296// methods to retrieve and return a VU from the global buffer, we use them to297// accurately update the local and global active VU counters and to ensure that298// the pausing and reducing VUs operations wait for VUs to fully finish299// executing their current iterations before returning.300type manualVUHandle struct {301 *vuHandle302 initVU lib.InitializedVU303 wg *sync.WaitGroup304 // This is the cancel of the local context, used to kill its goroutine when305 // we reduce the number of MaxVUs, so that the Go GC can clean up the VU.306 cancelVU func()307}308func (rs *externallyControlledRunState) newManualVUHandle(309 initVU lib.InitializedVU, logger *logrus.Entry,310) *manualVUHandle {311 wg := sync.WaitGroup{}312 state := rs.executor.executionState313 getVU := func() (lib.InitializedVU, error) {314 wg.Add(1)315 state.ModCurrentlyActiveVUsCount(+1)316 atomic.AddInt64(rs.activeVUsCount, +1)317 return initVU, nil318 }319 returnVU := func(_ lib.InitializedVU) {320 state.ModCurrentlyActiveVUsCount(-1)321 atomic.AddInt64(rs.activeVUsCount, -1)322 wg.Done()323 }324 ctx, cancel := context.WithCancel(rs.ctx)325 return &manualVUHandle{326 vuHandle: newStoppedVUHandle(ctx, getVU, returnVU,327 rs.executor.nextIterationCounters,328 &rs.executor.config.BaseConfig, logger),329 initVU: initVU,330 wg: &wg,331 cancelVU: cancel,332 }333}334// externallyControlledRunState is created and initialized by the Run() method335// of the externally controlled executor. It is used to track and modify various336// details of the execution, including handling of live config changes.337type externallyControlledRunState struct {338 ctx context.Context339 executor *ExternallyControlled340 startMaxVUs int64 // the scaled number of initially configured MaxVUs341 duration time.Duration // the total duration of the executor, could be 0 for infinite342 activeVUsCount *int64 // the current number of active VUs, used only for the progress display343 maxVUs *int64 // the current number of initialized VUs344 vuHandles []*manualVUHandle // handles for manipulating and tracking all of the VUs345 currentlyPaused bool // whether the executor is currently paused346 runIteration func(context.Context, lib.ActiveVU) bool // a helper closure function that runs a single iteration347}348// retrieveStartMaxVUs gets and initializes the (scaled) number of MaxVUs349// from the global VU buffer. These are the VUs that the user originally350// specified in the JS config, and that the ExecutionScheduler pre-initialized351// for us.352func (rs *externallyControlledRunState) retrieveStartMaxVUs() error {353 for i := int64(0); i < rs.startMaxVUs; i++ { // get the initial planned VUs from the common buffer354 initVU, vuGetErr := rs.executor.executionState.GetPlannedVU(rs.executor.logger, false)355 if vuGetErr != nil {356 return vuGetErr357 }358 vuHandle := rs.newManualVUHandle(initVU, rs.executor.logger.WithField("vuNum", i))359 go vuHandle.runLoopsIfPossible(rs.runIteration)360 rs.vuHandles[i] = vuHandle361 }362 return nil363}364func (rs *externallyControlledRunState) progressFn() (float64, []string) {365 // TODO: simulate spinner for the other case or cycle 0-100?366 currentActiveVUs := atomic.LoadInt64(rs.activeVUsCount)367 currentMaxVUs := atomic.LoadInt64(rs.maxVUs)368 vusFmt := pb.GetFixedLengthIntFormat(currentMaxVUs)369 progVUs := fmt.Sprintf(vusFmt+"/"+vusFmt+" VUs", currentActiveVUs, currentMaxVUs)370 right := []string{progVUs, rs.duration.String(), ""}371 // TODO: use a saner way to calculate the elapsed time, without relying on372 // the global execution state...373 elapsed := rs.executor.executionState.GetCurrentTestRunDuration() - rs.executor.config.StartTime.TimeDuration()374 if elapsed > rs.duration {375 return 1, right376 }377 progress := 0.0378 if rs.duration > 0 {379 progress = math.Min(1, float64(elapsed)/float64(rs.duration))380 }381 spentDuration := pb.GetFixedLengthDuration(elapsed, rs.duration)382 progDur := fmt.Sprintf("%s/%s", spentDuration, rs.duration)383 right[1] = progDur384 return progress, right385}386func (rs *externallyControlledRunState) handleConfigChange(oldCfg, newCfg ExternallyControlledConfigParams) error {387 executionState := rs.executor.executionState388 et := executionState.ExecutionTuple389 oldActiveVUs := et.ScaleInt64(oldCfg.VUs.Int64)390 oldMaxVUs := et.ScaleInt64(oldCfg.MaxVUs.Int64)391 newActiveVUs := et.ScaleInt64(newCfg.VUs.Int64)392 newMaxVUs := et.ScaleInt64(newCfg.MaxVUs.Int64)393 rs.executor.logger.WithFields(logrus.Fields{394 "oldActiveVUs": oldActiveVUs, "oldMaxVUs": oldMaxVUs,395 "newActiveVUs": newActiveVUs, "newMaxVUs": newMaxVUs,396 }).Debug("Updating execution configuration...")397 for i := oldMaxVUs; i < newMaxVUs; i++ {398 select { // check if the user didn't try to abort k6 while we're scaling up the VUs399 case <-rs.ctx.Done():400 return rs.ctx.Err()401 default: // do nothing402 }403 initVU, vuInitErr := executionState.InitializeNewVU(rs.ctx, rs.executor.logger)404 if vuInitErr != nil {405 return vuInitErr406 }407 vuHandle := rs.newManualVUHandle(initVU, rs.executor.logger.WithField("vuNum", i))408 go vuHandle.runLoopsIfPossible(rs.runIteration)409 rs.vuHandles = append(rs.vuHandles, vuHandle)410 }411 if oldActiveVUs < newActiveVUs {412 for i := oldActiveVUs; i < newActiveVUs; i++ {413 if !rs.currentlyPaused {414 if err := rs.vuHandles[i].start(); err != nil {415 // TODO: maybe just log it ?416 return err417 }418 }419 }420 } else {421 for i := newActiveVUs; i < oldActiveVUs; i++ {422 rs.vuHandles[i].hardStop()423 }424 for i := newActiveVUs; i < oldActiveVUs; i++ {425 rs.vuHandles[i].wg.Wait()426 }427 }428 if oldMaxVUs > newMaxVUs {429 for i := newMaxVUs; i < oldMaxVUs; i++ {430 rs.vuHandles[i].cancelVU()431 if i < rs.startMaxVUs {432 // return the initial planned VUs to the common buffer433 executionState.ReturnVU(rs.vuHandles[i].initVU, false)434 } else {435 executionState.ModInitializedVUsCount(-1)436 }437 rs.vuHandles[i] = nil438 }439 rs.vuHandles = rs.vuHandles[:newMaxVUs]440 }441 atomic.StoreInt64(rs.maxVUs, newMaxVUs)442 return nil443}444// Run constantly loops through as many iterations as possible on a variable445// dynamically controlled number of VUs either for the specified duration, or446// until the test is manually stopped.447// nolint:funlen,gocognit,cyclop448func (mex *ExternallyControlled) Run(parentCtx context.Context, out chan<- metrics.SampleContainer) (err error) {449 mex.configLock.RLock()450 // Safely get the current config - it's important that the close of the451 // hasStarted channel is inside of the lock, so that there are no data races452 // between it and the UpdateConfig() method.453 currentControlConfig := mex.currentControlConfig454 close(mex.hasStarted)455 mex.configLock.RUnlock()456 ctx, cancel := context.WithCancel(parentCtx)457 defer cancel()458 duration := currentControlConfig.Duration.TimeDuration()459 if duration > 0 { // Only keep track of duration if it's not infinite460 go mex.stopWhenDurationIsReached(ctx, duration, cancel)461 }462 mex.logger.WithFields(463 logrus.Fields{"type": externallyControlledType, "duration": duration},464 ).Debug("Starting executor run...")465 startMaxVUs := mex.executionState.ExecutionTuple.ScaleInt64(mex.config.MaxVUs.Int64)466 ss := &lib.ScenarioState{467 Name: mex.config.Name,468 Executor: mex.config.Type,469 StartTime: time.Now(),470 }471 ctx = lib.WithScenarioState(ctx, ss)472 runState := &externallyControlledRunState{473 ctx: ctx,474 executor: mex,...

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stopWhenDurationIsReached

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1executor.stopWhenDurationIsReached(10);2executor.stopWhenDurationIsReached(20);3executor.stopWhenDurationIsReached(30);4executor.stopWhenDurationIsReached(40);5executor.stopWhenDurationIsReached(50);6executor.stopWhenDurationIsReached(60);7executor.stopWhenDurationIsReached(70);8executor.stopWhenDurationIsReached(80);9executor.stopWhenDurationIsReached(90);10executor.stopWhenDurationIsReached(100);11executor.stopWhenDurationIsReached(110);12executor.stopWhenDurationIsReached(120);13executor.stopWhenDurationIsReached(130);14executor.stopWhenDurationIsReached(140);15executor.stopWhenDurationIsReached(150);16executor.stopWhenDurationIsReached(160);17executor.stopWhenDurationIsReached(170);

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stopWhenDurationIsReached

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1executor.stopWhenDurationIsReached(1000);2executor.stopWhenDurationIsReached(1000);3executor.stopWhenDurationIsReached(1000);4executor.stopWhenDurationIsReached(1000);5executor.stopWhenDurationIsReached(1000);6executor.stopWhenDurationIsReached(1000);7executor.stopWhenDurationIsReached(1000);8executor.stopWhenDurationIsReached(1000);9executor.stopWhenDurationIsReached(1000);10executor.stopWhenDurationIsReached(1000);11executor.stopWhenDurationIsReached(1000);12executor.stopWhenDurationIsReached(1000);13executor.stopWhenDurationIsReached(1000);14executor.stopWhenDurationIsReached(1000);15executor.stopWhenDurationIsReached(1000);16executor.stopWhenDurationIsReached(1000);

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stopWhenDurationIsReached

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1executor.stopWhenDurationIsReached(5*time.Minute)2executor.stopWhenDurationIsReached(10*time.Minute)3executor.stopWhenDurationIsReached(15*time.Minute)4executor.stopWhenDurationIsReached(20*time.Minute)5executor.stopWhenDurationIsReached(25*time.Minute)6executor.stopWhenDurationIsReached(30*time.Minute)7executor.stopWhenDurationIsReached(35*time.Minute)8executor.stopWhenDurationIsReached(40*time.Minute)9executor.stopWhenDurationIsReached(45*time.Minute)10executor.stopWhenDurationIsReached(50*time.Minute)11executor.stopWhenDurationIsReached(55*time.Minute)12executor.stopWhenDurationIsReached(60*time.Minute)13executor.stopWhenDurationIsReached(65*time.Minute)14executor.stopWhenDurationIsReached(70*time.Minute)15executor.stopWhenDurationIsReached(75*time.Minute)16executor.stopWhenDurationIsReached(80*time.Minute)

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stopWhenDurationIsReached

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1func main() {2 executor := NewExecutor()3 executor.Execute()4 executor.stopWhenDurationIsReached()5}6func main() {7 executor := NewExecutor()8 executor.Execute()9 executor.stopWhenDurationIsReached()10}11func main() {12 executor := NewExecutor()13 executor.Execute()14 executor.stopWhenDurationIsReached()15}16func main() {17 executor := NewExecutor()18 executor.Execute()19 executor.stopWhenDurationIsReached()20}21func main() {22 executor := NewExecutor()23 executor.Execute()24 executor.stopWhenDurationIsReached()25}26func main() {27 executor := NewExecutor()28 executor.Execute()29 executor.stopWhenDurationIsReached()30}31func main() {32 executor := NewExecutor()33 executor.Execute()34 executor.stopWhenDurationIsReached()35}36func main() {37 executor := NewExecutor()38 executor.Execute()39 executor.stopWhenDurationIsReached()40}41func main() {42 executor := NewExecutor()43 executor.Execute()44 executor.stopWhenDurationIsReached()45}46func main() {47 executor := NewExecutor()48 executor.Execute()49 executor.stopWhenDurationIsReached()50}51func main() {52 executor := NewExecutor()53 executor.Execute()54 executor.stopWhenDurationIsReached()55}56func main() {57 executor := NewExecutor()58 executor.Execute()

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stopWhenDurationIsReached

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1import (2func main() {3 fmt.Println("Start")4 executor := new(executor)5 executor.stopWhenDurationIsReached(5 * time.Second)6 fmt.Println("End")7}8import (9type executor struct {10 stop chan struct{}11}12func (e *executor) stopWhenDurationIsReached(duration time.Duration) {13 e.stop = make(chan struct{})14 go func() {15 time.Sleep(duration)16 close(e.stop)17 }()18 fmt.Println("Stop")19}20import (21func main() {22 fmt.Println("Start")23 executor := new(executor)24 executor.stopWhenDurationIsReached(5 * time.Second)25 fmt.Println("End")26}27import (28type executor struct {29 stop chan struct{}30}31func (e *executor) stopWhenDurationIsReached(duration time.Duration) {32 e.stop = make(chan struct{})33 go func() {34 time.Sleep(duration)35 close(e.stop)36 }()37 select {38 fmt.Println("Stop")39 case <-time.After(3 * time.Second):40 fmt.Println("Time out")41 }42}

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stopWhenDurationIsReached

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1import (2func main() {3 e := NewExecutor(1)4 e.Execute(func() {5 fmt.Println("Hello")6 })7 e.stopWhenDurationIsReached(2 * time.Second)8}9import (10func main() {11 e := NewExecutor(1)12 e.Execute(func() {13 fmt.Println("Hello")14 })15 e.stopWhenDurationIsReached(2 * time.Second)16}17import (18func main() {19 e := NewExecutor(1)20 e.Execute(func() {21 fmt.Println("Hello")22 })23 e.stopWhenDurationIsReached(2 * time.Second)24}25import (26func main() {27 e := NewExecutor(1)28 e.Execute(func() {29 fmt.Println("Hello")30 })31 e.stopWhenDurationIsReached(2 * time.Second)32}33import (34func main() {35 e := NewExecutor(1)36 e.Execute(func() {37 fmt.Println("Hello")38 })39 e.stopWhenDurationIsReached(2 * time.Second)40}41import (42func main() {43 e := NewExecutor(1)44 e.Execute(func() {45 fmt.Println("Hello")46 })47 e.stopWhenDurationIsReached(2 * time.Second)48}49import (50func main() {51 e := NewExecutor(1)52 e.Execute(func() {53 fmt.Println("Hello")54 })55 e.stopWhenDurationIsReached(

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stopWhenDurationIsReached

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1import (2func main() {3 executor := NewExecutor(10)4 executor.stopWhenDurationIsReached(5 * time.Second)5 executor.Execute(func() {6 for i := 0; i < 100; i++ {7 fmt.Println("Hello World")8 }9 })10}11import (12func main() {13 executor := NewExecutor(10)14 executor.stopWhenDurationIsReached(5 * time.Second)15 executor.Execute(func() {16 for i := 0; i < 100; i++ {17 fmt.Println("Hello World")18 }19 })20}21import (22func main() {23 executor := NewExecutor(10)24 executor.stopWhenDurationIsReached(5 * time.Second)25 executor.Execute(func() {26 for i := 0; i < 100; i++ {27 fmt.Println("Hello World")28 }29 })30}31import (32func main() {33 executor := NewExecutor(10)34 executor.stopWhenDurationIsReached(5 * time.Second)35 executor.Execute(func() {36 for i := 0; i < 100; i++ {37 fmt.Println("Hello World")38 }39 })40}41import (42func main() {43 executor := NewExecutor(10)44 executor.stopWhenDurationIsReached(5 * time.Second)45 executor.Execute(func() {46 for i := 0; i < 100; i++ {47 fmt.Println("Hello World")48 }49 })50}51import (52func main() {53 executor := NewExecutor(10)54 executor.stopWhenDurationIsReached(5 * time.Second)

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stopWhenDurationIsReached

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1import (2func main() {3 fmt.Println("Hello, playground")4 e := executor{}5 e.execute()6}7type executor struct {8}9func (e *executor) execute() {10 fmt.Println("Starting the execution")11 stopChan := make(chan bool)12 go e.stopWhenDurationIsReached(stopChan)13 fmt.Println("Stopping the execution")14}15func (e *executor) stopWhenDurationIsReached(stopChan chan bool) {16 time.Sleep(1 * time.Second)17 close(stopChan)18}

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stopWhenDurationIsReached

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1import (2func main() {3 executor := NewExecutor()4 executor.Start()5 executor.StopWhenDurationIsReached(time.Second * 5)6 fmt.Println("Main stopped")7}8import (9func main() {10 executor := NewExecutor()11 executor.Start()12 executor.StopWhenDurationIsReached(time.Second * 5)13 fmt.Println("Main stopped")14}15import (16func main() {17 executor := NewExecutor()18 executor.Start()19 executor.StopWhenDurationIsReached(time.Second * 5)20 fmt.Println("Main stopped")21}22import (23func main() {24 executor := NewExecutor()25 executor.Start()26 executor.StopWhenDurationIsReached(time.Second * 5)27 fmt.Println("Main stopped")28}29import (30func main() {31 executor := NewExecutor()32 executor.Start()33 executor.StopWhenDurationIsReached(time.Second * 5)34 fmt.Println("Main stopped")35}36import (37func main() {38 executor := NewExecutor()39 executor.Start()40 executor.StopWhenDurationIsReached(time.Second * 5)41 fmt.Println("Main stopped")42}43import (44func main() {45 executor := NewExecutor()46 executor.Start()47 executor.StopWhenDurationIsReached(time.Second * 5)48 fmt.Println("Main stopped")49}50import (

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stopWhenDurationIsReached

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1import (2func main() {3 executor := cron.New()4 executor.AddFunc("0 0 0 * * *", func() {5 fmt.Println("Running at midnight")6 })7 executor.Start()8 stopWhenDurationIsReached(executor, 5*time.Second)9}10func stopWhenDurationIsReached(executor *cron.Cron, duration time.Duration) {11 time.AfterFunc(duration, func() {12 executor.Stop()13 })14}15import (16func main() {17 executor := cron.New()18 executor.AddFunc("0 0 0 * * *", func() {19 fmt.Println("Running at midnight")20 })21 executor.Start()22 stopWhenDurationIsReached(executor, 5*time.Second)23}24func stopWhenDurationIsReached(executor *cron.Cron, duration time.Duration) {25 time.AfterFunc(duration, func() {26 executor.Stop()27 })28}

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