func()

in pkg/trait/container.go [166:261]
77 lines of code
19 McCabe index (conditional complexity)

func (t *containerTrait) configureContainer(e *Environment) error {
	if e.ApplicationProperties == nil {
		e.ApplicationProperties = make(map[string]string)
	}

	container := corev1.Container{
		Name:  t.Name,
		Image: e.Integration.Status.Image,
		Env:   make([]corev1.EnvVar, 0),
	}

	if t.ImagePullPolicy != "" {
		container.ImagePullPolicy = t.ImagePullPolicy
	}

	// combine Environment of integration with platform, kit, integration
	for _, env := range e.collectConfigurationPairs("env") {
		envvar.SetVal(&container.Env, env.Name, env.Value)
	}

	envvar.SetVal(&container.Env, digest.IntegrationDigestEnvVar, e.Integration.Status.Digest)
	envvar.SetVal(&container.Env, "CAMEL_K_CONF", filepath.Join(camel.BasePath, "application.properties"))
	envvar.SetVal(&container.Env, "CAMEL_K_CONF_D", camel.ConfDPath)

	e.addSourcesProperties()
	if props, err := e.computeApplicationProperties(); err != nil {
		return err
	} else if props != nil {
		e.Resources.Add(props)
	}

	t.configureResources(&container)
	if pointer.BoolDeref(t.Expose, false) {
		t.configureService(e, &container)
	}
	t.configureCapabilities(e)

	var containers *[]corev1.Container
	visited := false

	// Deployment
	if err := e.Resources.VisitDeploymentE(func(deployment *appsv1.Deployment) error {
		for _, envVar := range e.EnvVars {
			envvar.SetVar(&container.Env, envVar)
		}

		containers = &deployment.Spec.Template.Spec.Containers
		visited = true
		return nil
	}); err != nil {
		return err
	}

	// Knative Service
	if err := e.Resources.VisitKnativeServiceE(func(service *serving.Service) error {
		for _, env := range e.EnvVars {
			switch {
			case env.ValueFrom == nil:
				envvar.SetVar(&container.Env, env)
			case env.ValueFrom.FieldRef != nil && env.ValueFrom.FieldRef.FieldPath == "metadata.namespace":
				envvar.SetVar(&container.Env, corev1.EnvVar{Name: env.Name, Value: e.Integration.Namespace})
			case env.ValueFrom.FieldRef != nil:
				t.L.Infof("Skipping environment variable %s (fieldRef)", env.Name)
			case env.ValueFrom.ResourceFieldRef != nil:
				t.L.Infof("Skipping environment variable %s (resourceFieldRef)", env.Name)
			default:
				envvar.SetVar(&container.Env, env)
			}
		}

		containers = &service.Spec.ConfigurationSpec.Template.Spec.Containers
		visited = true
		return nil
	}); err != nil {
		return err
	}

	// CronJob
	if err := e.Resources.VisitCronJobE(func(cron *batchv1.CronJob) error {
		for _, envVar := range e.EnvVars {
			envvar.SetVar(&container.Env, envVar)
		}

		containers = &cron.Spec.JobTemplate.Spec.Template.Spec.Containers
		visited = true
		return nil
	}); err != nil {
		return err
	}

	if visited {
		*containers = append(*containers, container)
	}

	return nil
}