func (instance *Execution) createAndRegisterNotExistingExecutionFor(target *service.Service) (*service.Execution, error) {
instance.doWLock()
defer instance.doWUnlock()
result, err := target.NewExecution(instance.executable.KeyStore())
if err != nil {
return nil, err
}
if _, ok := instance.executions[target]; ok {
return nil, service.AlreadyRunningError{Name: target.Name()}
}
instance.executions[target] = result
return result, nil
}
