コード例 #1
0
ファイル: steady_state.go プロジェクト: rosenhouse/cnsim
func (s *SteadyState) populateApps(resp *models.SteadyStateResponse) error {
	req := resp.Request
	resp.Apps = make([]models.App, req.NumApps)
	var err error
	totalInstances := 0
	for i, _ := range resp.Apps {
		resp.Apps[i].Id = i
		resp.Apps[i].Size, err = s.AppSizeDistribution.Sample(float64(req.MeanInstancesPerApp))
		if err != nil {
			return fmt.Errorf("sampling app size: %s", err)
		}
		totalInstances += resp.Apps[i].Size
	}
	resp.TotalInstances = totalInstances
	return nil
}
コード例 #2
0
ファイル: steady_state.go プロジェクト: rosenhouse/cnsim
func (s *SteadyState) Execute(logger lager.Logger, req models.SteadyStateRequest) (*models.SteadyStateResponse, error) {
	logger.Info("start", lager.Data{"input": req})
	defer logger.Info("done")

	var resp models.SteadyStateResponse
	resp.Request = req
	totalInstances := float64(req.NumApps) * float64(req.MeanInstancesPerApp)
	resp.MeanInstancesPerHost = totalInstances / float64(req.NumHosts)

	if err := s.populateApps(&resp); err != nil {
		return nil, err
	}

	if err := s.populateInstances(&resp); err != nil {
		return nil, err
	}

	logger.Info("success")
	return &resp, nil
}
コード例 #3
0
ファイル: steady_state.go プロジェクト: rosenhouse/cnsim
func (s *SteadyState) populateInstances(resp *models.SteadyStateResponse) error {
	req := resp.Request
	resp.Instances = make([]models.Instance, resp.TotalInstances)

	appId := 0
	appInstanceCounter := 0
	for i := 0; i < resp.TotalInstances; i++ {
		resp.Instances[i].Id = i

		if appInstanceCounter >= resp.Apps[appId].Size {
			appId++
			appInstanceCounter = 0
		}
		appInstanceCounter++

		resp.Instances[i].AppId = appId
		resp.Instances[i].HostId = i % req.NumHosts
	}
	return nil
}