RIC-244 - Eliminate Setup/Reset request from dashboard & connectionAttempts

[ric-plt/e2mgr.git] / E2Manager / managers / e2t_association_manager.go

diff --git a/E2Manager/managers/e2t_association_manager.go b/E2Manager/managers/e2t_association_manager.go
index 3311e60..8958241 100644 (file)
--- a/E2Manager/managers/e2t_association_manager.go
+++ b/E2Manager/managers/e2t_association_manager.go
@@ -21,8 +21,10 @@ package managers
 
 import (
        "e2mgr/clients"
+       "e2mgr/e2managererrors"
        "e2mgr/logger"
        "e2mgr/services"
+       "gerrit.o-ran-sc.org/r/ric-plt/nodeb-rnib.git/entities"
 )
 
 type E2TAssociationManager struct {
@@ -41,35 +43,92 @@ func NewE2TAssociationManager(logger *logger.Logger, rnibDataService services.RN
        }
 }
 
-func (m *E2TAssociationManager) AssociateRan(e2tAddress string, ranName string) error {
+func (m *E2TAssociationManager) AssociateRan(e2tAddress string, nodebInfo *entities.NodebInfo) error {
+       ranName := nodebInfo.RanName
        m.logger.Infof("#E2TAssociationManager.AssociateRan - Associating RAN %s to E2T Instance address: %s", ranName, e2tAddress)
 
-       err := m.rmClient.AssociateRanToE2TInstance(e2tAddress, ranName)
+       err := m.associateRanAndUpdateNodeb(e2tAddress, nodebInfo)
        if err != nil {
-               m.logger.Errorf("#E2TAssociationManager.AssociateRan - RoutingManager failure: Failed to associate RAN %s to E2T %s. Error: %s", ranName, e2tAddress, err)
+               m.logger.Errorf("#E2TAssociationManager.AssociateRan - RoutingManager failure: Failed to associate RAN %s to E2T %s. Error: %s", nodebInfo, e2tAddress, err)
                return err
        }
+       err = m.e2tInstanceManager.AddRansToInstance(e2tAddress, []string{ranName})
+       if err != nil {
+               m.logger.Errorf("#E2TAssociationManager.AssociateRan - RAN name: %s - Failed to add RAN to E2T instance %s. Error: %s", ranName, e2tAddress, err)
+               return e2managererrors.NewRnibDbError()
+       }
+       m.logger.Infof("#E2TAssociationManager.AssociateRan - successfully associated RAN %s with E2T %s", ranName, e2tAddress)
+       return nil
+}
 
-       nodebInfo, rnibErr := m.rnibDataService.GetNodeb(ranName)
+func (m *E2TAssociationManager) associateRanAndUpdateNodeb(e2tAddress string, nodebInfo *entities.NodebInfo) error {
 
+       rmErr := m.rmClient.AssociateRanToE2TInstance(e2tAddress, nodebInfo.RanName)
+       if rmErr != nil {
+               nodebInfo.ConnectionStatus = entities.ConnectionStatus_DISCONNECTED
+       } else {
+               nodebInfo.ConnectionStatus = entities.ConnectionStatus_CONNECTED
+               nodebInfo.AssociatedE2TInstanceAddress = e2tAddress
+       }
+       rNibErr := m.rnibDataService.UpdateNodebInfo(nodebInfo)
+       if rNibErr != nil {
+               m.logger.Errorf("#E2TAssociationManager.associateRanAndUpdateNodeb - RAN name: %s - Failed to update nodeb entity in rNib. Error: %s", nodebInfo.RanName, rNibErr)
+       }
+       var err error
+       if rmErr != nil {
+               err = e2managererrors.NewRoutingManagerError()
+       } else if rNibErr != nil{
+               err = e2managererrors.NewRnibDbError()
+       }
+       return err
+}
+
+func (m *E2TAssociationManager) DissociateRan(e2tAddress string, ranName string) error {
+       m.logger.Infof("#E2TAssociationManager.DissociateRan - Dissociating RAN %s from E2T Instance address: %s", ranName, e2tAddress)
+
+       nodebInfo, rnibErr := m.rnibDataService.GetNodeb(ranName)
        if rnibErr != nil {
-               m.logger.Errorf("#E2TAssociationManager.AssociateRan - RAN name: %s - Failed fetching RAN from rNib. Error: %s", ranName, rnibErr)
+               m.logger.Errorf("#E2TAssociationManager.DissociateRan - RAN name: %s - Failed fetching RAN from rNib. Error: %s", ranName, rnibErr)
                return rnibErr
        }
 
-       nodebInfo.AssociatedE2TInstanceAddress = e2tAddress
-       nodebInfo.ConnectionAttempts = 0
+       nodebInfo.AssociatedE2TInstanceAddress = ""
        rnibErr = m.rnibDataService.UpdateNodebInfo(nodebInfo)
        if rnibErr != nil {
-               m.logger.Errorf("#E2TAssociationManager.AssociateRan - RAN name: %s - Failed to update RAN.AssociatedE2TInstanceAddress in rNib. Error: %s", ranName, rnibErr)
+               m.logger.Errorf("#E2TAssociationManager.DissociateRan - RAN name: %s - Failed to update RAN.AssociatedE2TInstanceAddress in rNib. Error: %s", ranName, rnibErr)
                return rnibErr
        }
 
-       err = m.e2tInstanceManager.AddRanToInstance(ranName, e2tAddress)
+       err := m.e2tInstanceManager.RemoveRanFromInstance(ranName, e2tAddress)
        if err != nil {
-               m.logger.Errorf("#E2TAssociationManager.AssociateRan - RAN name: %s - Failed to add RAN to E2T instance %s. Error: %s", ranName, e2tAddress, err)
+               m.logger.Errorf("#E2TAssociationManager.DissociateRan - RAN name: %s - Failed to remove RAN from E2T instance %s. Error: %s", ranName, e2tAddress, err)
                return err
        }
-       m.logger.Infof("#E2TAssociationManager.AssociateRan - successfully associated RAN %s with E2T %s", ranName, e2tAddress)
+
+       err = m.rmClient.DissociateRanE2TInstance(e2tAddress, ranName)
+       if err != nil {
+               m.logger.Errorf("#E2TAssociationManager.DissociateRan - RoutingManager failure: Failed to dissociate RAN %s from E2T %s. Error: %s", ranName, e2tAddress, err)
+       } else {
+               m.logger.Infof("#E2TAssociationManager.DissociateRan - successfully dissociated RAN %s from E2T %s", ranName, e2tAddress)
+       }
+       return nil
+}
+
+func (m *E2TAssociationManager) RemoveE2tInstance(e2tInstance *entities.E2TInstance) error {
+       m.logger.Infof("#E2TAssociationManager.RemoveE2tInstance -  Removing E2T %s and dessociating its associated RANs.", e2tInstance.Address)
+
+       err := m.rmClient.DeleteE2TInstance(e2tInstance.Address, e2tInstance.AssociatedRanList)
+       if err != nil {
+               m.logger.Warnf("#E2TAssociationManager.RemoveE2tInstance - RoutingManager failure: Failed to delete E2T %s. Error: %s", e2tInstance.Address, err)
+               // log and continue
+       }
+
+       err = m.e2tInstanceManager.RemoveE2TInstance(e2tInstance.Address)
+       if err != nil {
+               m.logger.Errorf("#E2TAssociationManager.RemoveE2tInstance - Failed to remove E2T %s. Error: %s", e2tInstance.Address, err)
+               return err
+       }
+
+       m.logger.Infof("#E2TAssociationManager.RemoveE2tInstance -  E2T %s successfully removed.", e2tInstance.Address)
        return nil
 }