func GetDeploymentDetail()

in src/app/backend/resource/deployment/detail.go [83:148]
56 lines of code
7 McCabe index (conditional complexity)

func GetDeploymentDetail(client client.Interface, namespace string, deploymentName string) (*DeploymentDetail, error) {

	log.Printf("Getting details of %s deployment in %s namespace", deploymentName, namespace)

	deployment, err := client.AppsV1().Deployments(namespace).Get(context.TODO(), deploymentName, metaV1.GetOptions{})
	if err != nil {
		return nil, err
	}

	selector, err := metaV1.LabelSelectorAsSelector(deployment.Spec.Selector)
	if err != nil {
		return nil, err
	}
	options := metaV1.ListOptions{LabelSelector: selector.String()}

	channels := &common.ResourceChannels{
		ReplicaSetList: common.GetReplicaSetListChannelWithOptions(client,
			common.NewSameNamespaceQuery(namespace), options, 1),
		PodList: common.GetPodListChannelWithOptions(client,
			common.NewSameNamespaceQuery(namespace), options, 1),
		EventList: common.GetEventListChannelWithOptions(client,
			common.NewSameNamespaceQuery(namespace), options, 1),
	}

	rawRs := <-channels.ReplicaSetList.List
	err = <-channels.ReplicaSetList.Error
	nonCriticalErrors, criticalError := errors.HandleError(err)
	if criticalError != nil {
		return nil, criticalError
	}

	rawPods := <-channels.PodList.List
	err = <-channels.PodList.Error
	nonCriticalErrors, criticalError = errors.AppendError(err, nonCriticalErrors)
	if criticalError != nil {
		return nil, criticalError
	}

	rawEvents := <-channels.EventList.List
	err = <-channels.EventList.Error
	nonCriticalErrors, criticalError = errors.AppendError(err, nonCriticalErrors)
	if criticalError != nil {
		return nil, criticalError
	}

	// Extra Info
	var rollingUpdateStrategy *RollingUpdateStrategy
	if deployment.Spec.Strategy.RollingUpdate != nil {
		rollingUpdateStrategy = &RollingUpdateStrategy{
			MaxSurge:       deployment.Spec.Strategy.RollingUpdate.MaxSurge,
			MaxUnavailable: deployment.Spec.Strategy.RollingUpdate.MaxUnavailable,
		}
	}

	return &DeploymentDetail{
		Deployment:            toDeployment(deployment, rawRs.Items, rawPods.Items, rawEvents.Items),
		Selector:              deployment.Spec.Selector.MatchLabels,
		StatusInfo:            GetStatusInfo(&deployment.Status),
		Conditions:            getConditions(deployment.Status.Conditions),
		Strategy:              deployment.Spec.Strategy.Type,
		MinReadySeconds:       deployment.Spec.MinReadySeconds,
		RollingUpdateStrategy: rollingUpdateStrategy,
		RevisionHistoryLimit:  deployment.Spec.RevisionHistoryLimit,
		Errors:                nonCriticalErrors,
	}, nil
}