service-reporter-main-goroutine-channel.go

func (c *Checker) CheckStandardsGoroutineChannel(ctx context.Context, svc *Service, svcChan chan *Service, errChan chan []error) {
	// this function still does what CheckStandards does,
	// but instead of returning the values,
	// it sends the values to channel
	svcChan <- svc
	errChan <- errorList
}

func main() {
	ctx := context.Background()

	kube := &Kubernetes{}
	checker := &Checker{}

	services, _ := kube.AllServices(ctx)

	// create channel
	svcChan := make(chan *Service)
	errChan := make(chan []error)

	for _, svc := range services {
		// spawn goroutine
		go checker.CheckStandardsGoroutineChannel(ctx, svc, svcChan, errChan)
	}

	var result []*Service
	var errorLog [][]error
	
	for i := range services {
		tmpSvc, tmpErr := <-svcChan, <-errChan
		if len(tmpErr) > 0 {
			errorLog = append(errorLog, tmpErr)
		}
		result = append(result, tmpSvc)
	}

	// do the rest as you like
}