How to use newManualVUHandle method of executor Package

Best K6 code snippet using executor.newManualVUHandle

externally_controlled.go

Source:externally_controlled.go Github

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...304 // 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++ {...

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newManualVUHandle

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1func (e *Executor) newManualVUHandle() (*ManualVUHandle, error) {2 vu, err := e.newVU()3 if err != nil {4 }5 return &ManualVUHandle{vu: vu}, nil6}7func (e *Executor) newVU() (lib.VU, error) {8 if e.state == nil {9 return nil, errors.New("executor not initialized")10 }11 vu, err := e.state.GetInitializedVU(e.logger, e.vuTags)12 if err != nil {13 }14 initCtx := e.state.GetInitContext(e.logger)15 if initCtx != nil {16 if err := vu.Reconfigure(initCtx); err != nil {17 }18 }19}20func (s *State) GetInitializedVU(logger *logrus.Entry, vuTags lib.TagSet) (lib.VU, error) {21 vu, err := s.vuBuffer.Get()22 if err != nil {23 }24 if vu == nil {25 return nil, errors.New("no VUs in the buffer")26 }27 if err := vu.Reconfigure(s.GetInitContext(logger)); err != nil {28 }29 if err := vu.Reconfigure(s.GetScenarioContext(logger, vuTags)); err != nil {30 }31}32func (s *State) GetInitContext(logger *logrus.Entry) *lib.InitContext {33 if s == nil {34 }35}36func (s *State) GetScenarioContext(logger *logrus.Entry, vuTags lib.TagSet) *lib.ScenarioContext {37 if s == nil {38 }39}

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newManualVUHandle

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1func (e *Executor) newManualVUHandle() (lib.InitializedVU, error) {2 vu, err := e.newVU()3 if err != nil {4 }5}6func (e *Executor) newVU() (lib.InitializedVU, error) {7 vu, err := e.vuPool.Get()8 if err != nil {9 }10}11func (p *VUHandlePool) Get() (lib.InitializedVU, error) {12 p.lock.Lock()13 defer p.lock.Unlock()14 if len(p.free) == 0 {15 if p.count >= p.max {16 return nil, errors.New("max VUs reached")17 }18 vu, err := p.newVU()19 if err != nil {20 }21 }22}23func (p *VUHandlePool) newVU() (lib.InitializedVU, error) {24 vu, err := p.newVUFunc()25 if err != nil {26 }27 vuHandle := &VUHandle{28 returnCh: make(chan struct{}),29 }30 p.lock.Lock()31 defer p.lock.Unlock()32}33func (p *VUHandlePool) newVUFunc() (lib.InitializedVU, error) {34 return p.newVUFuncFunc()35}36func (p *VUHandlePool) newVUFuncFunc() (lib.InitializedVU, error) {

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newManualVUHandle

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1func (e *Executor) newManualVUHandle(id int64) *vuHandle {2 vu, err := e.newVU(id)3 if err != nil {4 return &vuHandle{err: err}5 }6 return &vuHandle{vu: vu}7}8func (e *Executor) newVU(id int64) (lib.InitializedVU, error) {9 vu, err := e.newVUFn(id)10 if err != nil {11 }12 vu.SetState(e.state)13}14func (e *Executor) newVUFn(id int64) (lib.InitializedVU, error) {15 vu, err := e.newVUFn(id)16 if err != nil {17 }18 vu.SetState(e.state)19}20func (e *Executor) newVUFn(id int64) (lib.InitializedVU, error) {21 vu, err := e.newVUFn(id)22 if err != nil {23 }24 vu.SetState(e.state)25}26func (e *Executor) newVU(id int64) (lib.InitializedVU, error) {27 vu, err := e.newVUFn(id)28 if err != nil {29 }30 vu.SetState(e.state)31}32func (e *Executor) newManualVUHandle(id int64) *vuHandle {33 vu, err := e.newVU(id)34 if err != nil {35 return &vuHandle{err: err}36 }37 return &vuHandle{vu: vu}38}39func (e *Executor) newVU(id int64) (lib.InitializedVU,

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newManualVUHandle

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1func (e *Executor) newManualVUHandle(id int64) (*vuHandle, error) {2 v, err := e.newVU(id)3 if err != nil {4 }5 return &vuHandle{6 }, nil7}8func (e *Executor) newVU(id int64) (lib.InitializedVU, error) {9 v, err := e.newVUFn(id)10 if err != nil {11 }12 if err := v.Reconfigure(e.vuConfig); err != nil {13 }14}15func (e *Executor) newVUFn(id int64) (lib.InitializedVU, error) {16 vu, err := e.newVUFn(id)17 if err != nil {18 }19 if e.state.Options.SystemTags.Has(stats.TagVU) {20 vu = stats.NewVUTagWrapper(vu, id)21 }22 if e.state.Options.SystemTags.Has(stats.TagIter) {23 vu = stats.NewIterTagWrapper(vu)24 }25}26func (e *Executor) newVUFn(id int64) (lib.VU, error) {27 vu, err := e.newVUFn(id)28 if err != nil {29 }30 if e.state.Options.SystemTags.Has(stats.TagVU

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newManualVUHandle

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1import (2func main() {3 executor := executor.NewManualVUHandle()4 engine := lib.NewEngine(lib.Options{}, nil)5 vu, err := engine.NewManualVU(context.Background(), executor)6 if err != nil {7 fmt.Println("Error creating manual VU")8 }9 runner := testutils.NewTestRunner(t, httpmultibin.NewHTTPMultiBin(t))10 vu.SetRunner(runner)11 err = vu.Init(context.Background())12 if err != nil {13 fmt.Println("Error initializing manual VU")14 }15 vu.RunOnce(context.Background())16}17import (18func main() {19 executor := executor.NewManualVUHandle()20 engine := lib.NewEngine(lib.Options{}, nil)21 vu, err := engine.NewManualVU(context.Background(), executor)22 if err != nil {23 fmt.Println("Error creating manual VU")24 }25 runner := testutils.NewTestRunner(t, httpmultibin.NewHTTPMultiBin(t))

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newManualVUHandle

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1func (e *Executor) newManualVUHandle() lib.ManualVUHandle {2 return e.newManualVUHandle()3}4func (e *Executor) newManualVUHandle() lib.ManualVUHandle {5 return e.newManualVUHandle()6}7func (e *Executor) newManualVUHandle() lib.ManualVUHandle {8 return e.newManualVUHandle()9}10func (e *Executor) newManualVUHandle() lib.ManualVUHandle {11 return e.newManualVUHandle()12}13func (e *Executor) newManualVUHandle() lib.ManualVUHandle {14 return e.newManualVUHandle()15}16func (e *Executor) newManualVUHandle() lib.ManualVUHandle {17 return e.newManualVUHandle()18}19func (e *Executor) newManualVUHandle() lib.ManualVUHandle {20 return e.newManualVUHandle()21}22func (e *Executor) newManualVUHandle() lib.ManualVUHandle {23 return e.newManualVUHandle()24}25func (e *Executor) newManualVUHandle() lib.ManualVUHandle {26 return e.newManualVUHandle()27}28func (e *Executor) newManualVUHandle() lib.ManualVUHandle {29 return e.newManualVUHandle()30}31func (e *Executor) newManual

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newManualVUHandle

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1func (e *Executor) newManualVUHandle(id int64, out chan<- stats.SampleContainer) (lib.ManualVUHandle, error) {2 return e.newManualVUHandle(id, out)3}4func (e *Executor) newManualVUHandle(id int64, out chan<- stats.SampleContainer) (lib.ManualVUHandle, error) {5 return e.newManualVUHandle(id, out)6}7func (e *Executor) newManualVUHandle(id int64, out chan<- stats.SampleContainer) (lib.ManualVUHandle, error) {8 return e.newManualVUHandle(id, out)9}10func (e *Executor) newManualVUHandle(id int64, out chan<- stats.SampleContainer) (lib.ManualVUHandle, error) {11 return e.newManualVUHandle(id, out)12}13func (e *Executor) newManualVUHandle(id int64, out chan<- stats.SampleContainer) (lib.ManualVUHandle, error) {14 return e.newManualVUHandle(id, out)15}16func (e *Executor) newManualVUHandle(id int64, out chan<- stats.SampleContainer) (lib.ManualVUHandle, error) {17 return e.newManualVUHandle(id, out)18}19func (e *Executor) newManualVUHandle(id int64, out chan<- stats.SampleContainer) (lib.ManualVUHandle, error) {20 return e.newManualVUHandle(id, out)21}22func (e *Executor) newManualVUHandle(id int64, out chan<- stats.SampleContainer) (lib.ManualVUHandle, error) {23 return e.newManualVUHandle(id, out)24}25func (e *Executor) newManualVUHandle(id int64, out chan<-

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newManualVUHandle

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1executor, err := newExecutor(ctx, state, runContext)2executor.newManualVUHandle()3executor, err := newExecutor(ctx, state, runContext)4executor.newManualVUHandle()5func (e *Executor) newManualVUHandle() {6 vuHandle = &vuHandle{7 vuHandle = &vuHandle{8 vu = &vu{

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newManualVUHandle

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1func main() {2 executor := &Executor{}3 ctx, cancel := context.WithCancel(context.Background())4 vuHandle := executor.newManualVUHandle(ctx, cancel)5 vuHandle.run()6}7func main() {8 executor := &Executor{}9 ctx, cancel := context.WithCancel(context.Background())10 vuHandle := executor.newManualVUHandle(ctx, cancel)11 vuHandle.run()12}13func main() {14 executor := &Executor{}15 ctx, cancel := context.WithCancel(context.Background())16 vuHandle := executor.newManualVUHandle(ctx, cancel)17 vuHandle.run()18}19func main() {20 executor := &Executor{}21 ctx, cancel := context.WithCancel(context.Background())22 vuHandle := executor.newManualVUHandle(ctx, cancel)23 vuHandle.run()24}25func main() {26 executor := &Executor{}27 ctx, cancel := context.WithCancel(context.Background())28 vuHandle := executor.newManualVUHandle(ctx, cancel)

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