How to use retrieveStartMaxVUs method of executor Package

Best K6 code snippet using executor.retrieveStartMaxVUs

externally_controlled.go

Source:externally_controlled.go

...344	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,475		startMaxVUs:     startMaxVUs,476		duration:        duration,477		vuHandles:       make([]*manualVUHandle, startMaxVUs),478		currentlyPaused: false,479		activeVUsCount:  new(int64),480		maxVUs:          new(int64),481		runIteration:    getIterationRunner(mex.executionState, mex.logger),482	}483	ss.ProgressFn = runState.progressFn484	*runState.maxVUs = startMaxVUs485	if err = runState.retrieveStartMaxVUs(); err != nil {486		return err487	}488	mex.progress.Modify(pb.WithProgress(runState.progressFn)) // Keep track of the progress489	go trackProgress(parentCtx, ctx, ctx, mex, runState.progressFn)490	err = runState.handleConfigChange( // Start by setting MaxVUs to the starting MaxVUs491		ExternallyControlledConfigParams{MaxVUs: mex.config.MaxVUs}, currentControlConfig,492	)493	if err != nil {494		return err495	}496	defer func() { // Make sure we release the VUs at the end497		err = runState.handleConfigChange(currentControlConfig, ExternallyControlledConfigParams{})498	}()499	for {...

retrieveStartMaxVUs

Using AI Code Generation

1import (2func main() {3    myExecutor := executor.PerVUIterations.New(lib.Options{4        MaxVUs:     types.NullIntFrom(5),5        VUs:        types.NullIntFrom(5),6        Duration:   types.NullDurationFrom(10 * time.Second),7        Iterations: types.NullIntFrom(10),8    })9    myScenario := &lib.Scenario{10        Exec: func(ctx context.Context) {11        },12    }13    myEngine := Engine{14        Options: lib.Options{15            MaxVUs:     types.NullIntFrom(5),16            VUs:        types.NullIntFrom(5),17            Duration:   types.NullDurationFrom(10 * time.Second),18            Iterations: types.NullIntFrom(10),19        },20        Scenarios: []*lib.Scenario{myScenario},21    }22    myEngine.Run(ctx, logger, out)23    maxVUs := myExecutor.GetMaxVUs()24    log.Print(maxVUs)25}26import (27func main() {28    myExecutor := executor.PerVUIterations.New(lib.Options{29        MaxVUs:     types.NullIntFrom(5),30        VUs:        types.NullIntFrom(5),31        Duration:   types.NullDurationFrom(10 * time.Second),32        Iterations: types.NullIntFrom(10),33    })34    myScenario := &lib.Scenario{35        Exec: func(ctx context.Context) {36        },37    }

retrieveStartMaxVUs

Using AI Code Generation

1import (2func main() {3	executor = &executor.PerVUIterations{4		Iterations: types.NullIntFrom(100),5		VUs:        types.NullIntFrom(10),6		MaxVUs:     types.NullIntFrom(100),7	}8	fmt.Println("MaxVUs", executor.GetMaxVUs())9}10How to use the retrieveStartMaxVUs() method of executor class to retrieve the maxVUs value11executor.GetMaxVUs()12import (13func main() {14	executor = &executor.PerVUIterations{15		Iterations: types.NullIntFrom(100),16		VUs:        types.NullIntFrom(10),17		MaxVUs:     types.NullIntFrom(100),18	}19	fmt.Println("MaxVUs", executor.GetMaxVUs())20}21Recommended Posts: Go | GetMaxVUs() method in executor class22Go | GetVUs() method in executor class23Go | GetIterations() method in executor class24Go | GetStartVUs() method in executor class25Go | GetStartMaxVUs() method in executor class26Go | GetScenario() method in executor class27Go | GetExecutionSegment() method in executor class28Go | GetExecutionSegmentSequence() method in executor class29Go | GetExecutionSegment() method in executor.PerVUIterations class30Go | GetExecutionSegmentSequence() method in executor.PerVUIterations class31Go | GetExecutionSegment() method

retrieveStartMaxVUs

Using AI Code Generation

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

retrieveStartMaxVUs

Using AI Code Generation

1import (2func main() {3	executor := lib.NewExecutor("externally-controlled", types.ExternallyControlledConfig{}, nil, stats.NoopSink{})4	state := lib.ExecutorState{5	}6	startMaxVUs, err := executor.RetrieveStartMaxVUs(state)7	fmt.Println("startMaxVUs", startMaxVUs)8	fmt.Println("err", err)9}10func (e *ExternallyControlled) RetrieveMaxPossibleVUs(_ lib.ExecutorState) (uint64, error) {11}12import (13func main() {14	executor := lib.NewExecutor("externally-controlled", types.ExternallyControlledConfig{}, nil, stats.NoopSink{})15	state := lib.ExecutorState{16	}17	maxPossibleVUs, err := executor.RetrieveMaxPossibleVUs(state)18	fmt.Println("maxPossibleVUs", maxPossibleVUs)19	fmt.Println("err", err)20}21func (e *ExternallyControlled) SetRunState(state lib.Run

retrieveStartMaxVUs

Using AI Code Generation

1executor := NewExecutor()2executor.retrieveStartMaxVUs()3executor := NewExecutor()4executor.retrieveStartMaxVUs()5executor := NewExecutor()6executor.retrieveStartMaxVUs()7executor := NewExecutor()8executor.retrieveStartMaxVUs()9executor := NewExecutor()10executor.retrieveStartMaxVUs()11executor := NewExecutor()12executor.retrieveStartMaxVUs()13executor := NewExecutor()14executor.retrieveStartMaxVUs()15executor := NewExecutor()16executor.retrieveStartMaxVUs()17executor := NewExecutor()18executor.retrieveStartMaxVUs()19executor := NewExecutor()20executor.retrieveStartMaxVUs()21executor := NewExecutor()22executor.retrieveStartMaxVUs()23executor := NewExecutor()24executor.retrieveStartMaxVUs()25executor := NewExecutor()26executor.retrieveStartMaxVUs()27executor := NewExecutor()28executor.retrieveStartMaxVUs()29executor := NewExecutor()30executor.retrieveStartMaxVUs()31executor := NewExecutor()

retrieveStartMaxVUs

Using AI Code Generation

1func main() {2    if err != nil {3        log.Fatal(err)4    }5    startMaxVUs, err := executor.RetrieveStartMaxVUs()6    if err != nil {7        log.Fatal(err)8    }9    fmt.Println(startMaxVUs)10}11func main() {12    if err != nil {13        log.Fatal(err)14    }15    startMaxVUs, err := executor.RetrieveStartMaxVUs()16    if err != nil {17        log.Fatal(err)18    }19    fmt.Println(startMaxVUs)20}21func main() {22    if err != nil {23        log.Fatal(err)24    }25    startMaxVUs, err := executor.RetrieveStartMaxVUs()26    if err != nil {27        log.Fatal(err)28    }29    fmt.Println(startMaxVUs)30}31func main() {32    if err != nil {33        log.Fatal(err)34    }35    startMaxVUs, err := executor.RetrieveStartMaxVUs()36    if err != nil {37        log.Fatal(err)38    }39    fmt.Println(startMaxVUs)40}41func main() {42    if err != nil {43        log.Fatal(err)44    }45    startMaxVUs, err := executor.RetrieveStartMaxVUs()46    if err != nil {47        log.Fatal(err)48    }49    fmt.Println(startMaxVUs)50}51func main() {52    if err != nil {53        log.Fatal(err)54    }

retrieveStartMaxVUs

Using AI Code Generation

1func main() {2    executor := new(Executor)3    executor.retrieveStartMaxVUs()4    fmt.Println("Start Max VUs is ", executor.StartMaxVUs)5}6func main() {7    executor := new(Executor)8    executor.retrieveStartMaxVUs()9    fmt.Println("Start Max VUs is ", executor.StartMaxVUs)10}11func main() {12    executor := new(Executor)13    executor.retrieveStartMaxVUs()14    fmt.Println("Start Max VUs is ", executor.StartMaxVUs)15}16func main() {17    executor := new(Executor)18    executor.retrieveStartMaxVUs()19    fmt.Println("Start Max VUs is ", executor.StartMaxVUs)20}21func main() {22    executor := new(Executor)23    executor.retrieveStartMaxVUs()24    fmt.Println("Start Max VUs is ", executor.StartMaxVUs)25}26func main() {27    executor := new(Executor)28    executor.retrieveStartMaxVUs()29    fmt.Println("Start Max VUs is ", executor.StartMaxVUs)30}31func main() {32    executor := new(Executor)33    executor.retrieveStartMaxVUs()34    fmt.Println("Start Max VUs is ", executor.StartMaxVUs)35}36func main() {37    executor := new(Executor)38    executor.retrieveStartMaxVUs()39    fmt.Println("Start Max VUs is ", executor.StartMaxVUs)

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