package managers
import (
+ "e2mgr/configuration"
"e2mgr/logger"
"e2mgr/services"
+ "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/common"
"gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
+ "time"
)
-
type IE2TShutdownManager interface {
Shutdown(e2tInstance *entities.E2TInstance) error
}
type E2TShutdownManager struct {
- logger *logger.Logger
- rnibDataService services.RNibDataService
- e2TInstancesManager IE2TInstancesManager
+ logger *logger.Logger
+ config *configuration.Configuration
+ rnibDataService services.RNibDataService
+ e2TInstancesManager IE2TInstancesManager
+ e2tAssociationManager *E2TAssociationManager
+ ranConnectStatusChangeManager IRanConnectStatusChangeManager
}
-func NewE2TShutdownManager(logger *logger.Logger, rnibDataService services.RNibDataService, e2TInstancesManager IE2TInstancesManager) E2TShutdownManager {
- return E2TShutdownManager{
- logger: logger,
- rnibDataService: rnibDataService,
- e2TInstancesManager: e2TInstancesManager,
+func NewE2TShutdownManager(logger *logger.Logger, config *configuration.Configuration, rnibDataService services.RNibDataService, e2TInstancesManager IE2TInstancesManager, e2tAssociationManager *E2TAssociationManager, ranConnectStatusChangeManager IRanConnectStatusChangeManager) *E2TShutdownManager {
+ return &E2TShutdownManager{
+ logger: logger,
+ config: config,
+ rnibDataService: rnibDataService,
+ e2TInstancesManager: e2TInstancesManager,
+ e2tAssociationManager: e2tAssociationManager,
+ ranConnectStatusChangeManager: ranConnectStatusChangeManager,
}
}
-func (h E2TShutdownManager) Shutdown(e2tInstance *entities.E2TInstance) error{
- h.logger.Infof("#E2TShutdownManager.Shutdown - E2T %s is Dead, RIP", e2tInstance.Address)
+func (m E2TShutdownManager) Shutdown(e2tInstance *entities.E2TInstance) error {
+ m.logger.Infof("#E2TShutdownManager.Shutdown - E2T %s is Dead, RIP", e2tInstance.Address)
+
+ isE2tInstanceBeingDeleted := m.isE2tInstanceAlreadyBeingDeleted(e2tInstance)
+ if isE2tInstanceBeingDeleted {
+ m.logger.Infof("#E2TShutdownManager.Shutdown - E2T %s is already being deleted", e2tInstance.Address)
+ return nil
+ }
+
+ err := m.markE2tInstanceToBeDeleted(e2tInstance)
+ if err != nil {
+ m.logger.Errorf("#E2TShutdownManager.Shutdown - Failed to mark E2T %s as 'ToBeDeleted'.", e2tInstance.Address)
+ return err
+ }
+ err = m.clearNodebsAssociation(e2tInstance.AssociatedRanList)
+ if err != nil {
+ m.logger.Errorf("#E2TShutdownManager.Shutdown - Failed to clear nodebs association to E2T %s.", e2tInstance.Address)
+ return err
+ }
+
+ err = m.e2tAssociationManager.RemoveE2tInstance(e2tInstance)
+ if err != nil {
+ m.logger.Errorf("#E2TShutdownManager.Shutdown - Failed to remove E2T %s.", e2tInstance.Address)
+ return err
+ }
+
+ m.logger.Infof("#E2TShutdownManager.Shutdown - E2T %s was shutdown successfully.", e2tInstance.Address)
return nil
}
+
+func (m E2TShutdownManager) clearNodebsAssociation(ranNamesToBeDissociated []string) error {
+ for _, ranName := range ranNamesToBeDissociated {
+ nodeb, err := m.rnibDataService.GetNodeb(ranName)
+ if err != nil {
+ m.logger.Warnf("#E2TShutdownManager.associateAndSetupNodebs - Failed to get nodeb %s from db.", ranName)
+ _, ok := err.(*common.ResourceNotFoundError)
+ if !ok {
+ continue
+ }
+ return err
+ }
+
+ _, err = m.ranConnectStatusChangeManager.ChangeStatus(nodeb, entities.ConnectionStatus_DISCONNECTED)
+ if err != nil {
+ return err
+ }
+
+ nodeb.AssociatedE2TInstanceAddress = ""
+ err = m.rnibDataService.UpdateNodebInfo(nodeb)
+ if err != nil {
+ m.logger.Errorf("#E2TShutdownManager.clearNodebsAssociation - Failed to save nodeb %s to db.", ranName)
+ return err
+ }
+ }
+ return nil
+}
+
+func (m E2TShutdownManager) markE2tInstanceToBeDeleted(e2tInstance *entities.E2TInstance) error {
+ e2tInstance.State = entities.ToBeDeleted
+ e2tInstance.DeletionTimestamp = time.Now().UnixNano()
+
+ return m.rnibDataService.SaveE2TInstance(e2tInstance)
+}
+
+func (m E2TShutdownManager) isE2tInstanceAlreadyBeingDeleted(e2tInstance *entities.E2TInstance) bool {
+ delta := time.Now().UnixNano() - e2tInstance.DeletionTimestamp
+ timestampNanosec := int64(time.Duration(m.config.E2TInstanceDeletionTimeoutMs) * time.Millisecond)
+
+ return e2tInstance.State == entities.ToBeDeleted && delta <= timestampNanosec
+}