forked from kyma-project/kyma
/
subscriptions_utils.go
80 lines (71 loc) · 3.16 KB
/
subscriptions_utils.go
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package ea
import (
"log"
"time"
subApis "github.com/kyma-project/kyma/components/event-bus/api/push/eventing.kyma.cx/v1alpha1"
subscriptionClientSet "github.com/kyma-project/kyma/components/event-bus/generated/push/clientset/versioned"
eaApis "github.com/kyma-project/kyma/components/event-bus/internal/ea/apis/remoteenvironment.kyma.cx/v1alpha1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// find all the subscriptions having the same "namespace" as the "ea" namespace and the same "Source"
func getSubscriptionsForEventActivation(subClient *subscriptionClientSet.Clientset, eaObj *eaApis.EventActivation) ([]*subApis.Subscription, error) {
eaNamespace := eaObj.GetNamespace()
eaSource := eaObj.EventActivationSpec.Source
subscrList, err := subClient.EventingV1alpha1().Subscriptions(eaNamespace).List(metav1.ListOptions{}) // TODO query on eaSource??
if err != nil {
log.Printf("Error: List Subscriptions call failed for event activatsion:\n %v;\n Error:%v\n", eaObj, err)
return nil, err
}
var subs []*subApis.Subscription
for _, s := range subscrList.Items {
if eaSource.Environment == s.Source.SourceEnvironment &&
eaSource.Namespace == s.Source.SourceNamespace &&
eaSource.Type == s.Source.SourceType {
subs = append(subs, &s)
}
}
return subs, err
}
func writeSubscriptions(subClient *subscriptionClientSet.Clientset, namespace string, subs []*subApis.Subscription) {
for _, u := range subs {
_, err := subClient.EventingV1alpha1().Subscriptions(namespace).Update(u)
if err != nil {
log.Printf("Error: Update Subscription call failed for subscription:\n %v,\n %v\n", u, err)
}
}
}
func activateSubscriptions(subClient *subscriptionClientSet.Clientset, namespace string, subs []*subApis.Subscription) {
updatedSubs := updateSubscriptionsStatus(subs, subApis.ConditionTrue)
writeSubscriptions(subClient, namespace, updatedSubs)
}
func deactivateSubscriptions(subClient *subscriptionClientSet.Clientset, namespace string, subs []*subApis.Subscription) {
updatedSubs := updateSubscriptionsStatus(subs, subApis.ConditionFalse)
writeSubscriptions(subClient, namespace, updatedSubs)
}
func updateSubscriptionsStatus(subs []*subApis.Subscription, conditionStatus subApis.ConditionStatus) []*subApis.Subscription {
t := metav1.NewTime(time.Now())
var newCondition subApis.SubscriptionCondition
if conditionStatus == subApis.ConditionTrue {
newCondition = subApis.SubscriptionCondition{Type: subApis.EventsActivated, Status: subApis.ConditionTrue, LastTransitionTime: t}
} else {
newCondition = subApis.SubscriptionCondition{Type: subApis.EventsActivated, Status: subApis.ConditionFalse, LastTransitionTime: t}
}
var updatedSubs []*subApis.Subscription
for _, s := range subs {
if !s.HasCondition(newCondition) {
if len(s.Status.Conditions) == 0 {
s.Status.Conditions = []subApis.SubscriptionCondition{newCondition}
updatedSubs = append(updatedSubs, s)
} else {
for i, cond := range s.Status.Conditions {
if cond.Type == subApis.EventsActivated && cond.Status != conditionStatus {
s.Status.Conditions[i] = newCondition
updatedSubs = append(updatedSubs, s)
break
}
}
}
}
}
return updatedSubs
}