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K6
executor
newManualVUHandle

How to use newManualVUHandle method of executor Package

Best K6 code snippet using executor.newManualVUHandle

externally_controlled.go

Source:externally_controlled.go

...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++ {...

newManualVUHandle

Using AI Code Generation

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}

newManualVUHandle

Using AI Code Generation

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) {

newManualVUHandle

Using AI Code Generation

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,

newManualVUHandle

Using AI Code Generation

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

newManualVUHandle

Using AI Code Generation

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))

newManualVUHandle

Using AI Code Generation

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

newManualVUHandle

Using AI Code Generation

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<-

newManualVUHandle

Using AI Code Generation

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{

newManualVUHandle

Using AI Code Generation

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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