func setQuota(app provision.App, toAdd map[string]*containersToAdd) error {
var total int
for _, ct := range toAdd {
total += ct.Quantity
}
err := app.SetQuotaInUse(total)
if err != nil {
return &errors.CompositeError{
Base: err,
Message: "Cannot start application units",
}
}
return nil
}