From: Gunja Rastogi <gunja.rastogi@capgemini.com>
Date: Mon, 7 Aug 2023 12:09:59 +0000 (+0000)
Subject: RIC-11566: Add support for Multiple E2 Nodes: CU/DU for the case having same GNBId
X-Git-Tag: common/v1.2.9
X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=commitdiff_plain;h=f612a00100eb9e6edef95a79e0fd68a2f693f287;p=ric-plt%2Fnodeb-rnib.git

RIC-11566: Add support for Multiple E2 Nodes: CU/DU for the case having same GNBId

Change-Id: Ia40106cf5d7513cb1fb8ead9ac2cf73a5c3b0d2a
Signed-off-by: Gunja Rastogi <gunja.rastogi@capgemini.com>
---

diff --git a/common/utils.go b/common/utils.go
index 1cae140..0067038 100644
--- a/common/utils.go
+++ b/common/utils.go
@@ -1,6 +1,7 @@
 //
 // Copyright 2019 AT&T Intellectual Property
 // Copyright 2019 Nokia
+// Copyright 2023 Capgemini
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -59,7 +60,7 @@ func ValidateAndBuildNodeBNameKey(inventoryName string) (string, error) {
 /*
 ValidateAndBuildNodeBIdKey builds key according to the specified format returns the resulting string
 */
-func ValidateAndBuildNodeBIdKey(nodeType string, plmnId string, nbId string) (string, error) {
+func ValidateAndBuildNodeBIdKey(nodeType string, plmnId string, nbId string, cuupId string, duId string) (string, error) {
 	if nodeType == "" {
 		return "", NewValidationError("#utils.ValidateAndBuildNodeBIdKey - an empty node type received")
 	}
@@ -69,8 +70,22 @@ func ValidateAndBuildNodeBIdKey(nodeType string, plmnId string, nbId string) (st
 	if nbId == "" {
 		return "", NewValidationError("#utils.ValidateAndBuildNodeBIdKey - an empty nbId received")
 	}
+        /*Note: Deployment where CU-UP and DU are combined
+	  (but do not include the CP-CP) and have a single E2 connection
+	   is not supported. The combination of CU-CP, CU-UP, and DU will be
+	   treated as a single gNB and expect it to have only the
+	   global gNB ID in its E2 Setup ID*/
+
+	if cuupId != "" && duId != ""{
+		return fmt.Sprintf("%s:%s:%s", nodeType, plmnId, nbId), nil
+	}else if cuupId != "" {
+		return fmt.Sprintf("%s:%s:%s:%s", nodeType, plmnId, nbId, cuupId), nil
+	}else if duId != "" {
+		return fmt.Sprintf("%s:%s:%s:%s", nodeType, plmnId, nbId, duId ), nil
+	}else {
 	return fmt.Sprintf("%s:%s:%s", nodeType, plmnId, nbId), nil
 }
+}
 
 /*
 ValidateAndBuildCellNamePciKey builds key according to the specified format returns the resulting string
diff --git a/entities/nodeb_info.pb.go b/entities/nodeb_info.pb.go
index 3f1b580..8ac6332 100644
--- a/entities/nodeb_info.pb.go
+++ b/entities/nodeb_info.pb.go
@@ -1,6 +1,7 @@
 //
 // Copyright 2019 AT&T Intellectual Property
 // Copyright 2019 Nokia
+// Copyright 2023 Capgemini
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -208,6 +209,9 @@ type NodebInfo struct {
 	AssociatedE2TInstanceAddress string                    `protobuf:"bytes,12,opt,name=associated_e2t_instance_address,json=associatedE2tInstanceAddress,proto3" json:"associated_e2t_instance_address,omitempty"`
 	SetupFromNetwork             bool                      `protobuf:"varint,13,opt,name=setup_from_network,json=setupFromNetwork,proto3" json:"setup_from_network,omitempty"`
 	StatusUpdateTimeStamp        uint64                    `protobuf:"varint,14,opt,name=status_update_time_stamp,json=statusUpdateTimeStamp,proto3" json:"status_update_time_stamp,omitempty"`
+	GnbNodeType                  string                    `protobuf:"bytes,15,opt,name=gnb_node_type,json=gnbNodeType,proto3" json:"gnb_node_type,omitempty"`
+	CuUpId                       string                    `protobuf:"bytes,16,opt,name=cu_up_id,json=cuUpId,proto3" json:"cu_up_id,omitempty"`
+	DuId                         string                    `protobuf:"bytes,17,opt,name=du_id,json=duId,proto3" json:"du_id,omitempty"`
 }
 
 func (x *NodebInfo) Reset() {
@@ -347,6 +351,27 @@ func (x *NodebInfo) GetStatusUpdateTimeStamp() uint64 {
 	return 0
 }
 
+func (x *NodebInfo) GetGnbNodeType() string {
+	if x != nil {
+		return x.GnbNodeType
+	}
+	return ""
+}
+
+func (x *NodebInfo) GetCuUpId() string {
+	if x != nil {
+		return x.CuUpId
+	}
+	return ""
+}
+
+func (x *NodebInfo) GetDuId() string {
+	if x != nil {
+		return x.DuId
+	}
+	return ""
+}
+
 type isNodebInfo_Configuration interface {
 	isNodebInfo_Configuration()
 }
@@ -448,7 +473,7 @@ var file_nodeb_info_proto_rawDesc = []byte{
 	0x74, 0x6f, 0x1a, 0x1f, 0x78, 0x32, 0x5f, 0x73, 0x65, 0x74, 0x75, 0x70, 0x5f, 0x66, 0x61, 0x69,
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 	0x6f, 0x74, 0x6f, 0x1a, 0x11, 0x6e, 0x62, 0x5f, 0x69, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x74, 0x79,
-	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xd3, 0x05, 0x0a, 0x09, 0x4e, 0x6f, 0x64, 0x65, 0x62,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xa6, 0x06, 0x0a, 0x09, 0x4e, 0x6f, 0x64, 0x65, 0x62,
 	0x49, 0x6e, 0x66, 0x6f, 0x12, 0x19, 0x0a, 0x08, 0x72, 0x61, 0x6e, 0x5f, 0x6e, 0x61, 0x6d, 0x65,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x72, 0x61, 0x6e, 0x4e, 0x61, 0x6d, 0x65, 0x12,
 	0x0e, 0x0a, 0x02, 0x69, 0x70, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x70, 0x12,
@@ -492,27 +517,32 @@ var file_nodeb_info_proto_rawDesc = []byte{
 	0x72, 0x6b, 0x12, 0x37, 0x0a, 0x18, 0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x5f, 0x75, 0x70, 0x64,
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 }
 
 var (
diff --git a/entities/nodeb_info.proto b/entities/nodeb_info.proto
index e42702d..9ca502d 100644
--- a/entities/nodeb_info.proto
+++ b/entities/nodeb_info.proto
@@ -1,6 +1,7 @@
 /*
  * Copyright 2019 AT&T Intellectual Property
  * Copyright 2019 Nokia
+ * Copyright 2023 Capgemini
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -46,6 +47,9 @@ message NodebInfo {
   string associated_e2t_instance_address = 12;
   bool setup_from_network = 13;
   uint64 status_update_time_stamp = 14;
+  string gnb_node_type = 15;
+  string cu_up_id = 16;
+  string du_id = 17;
 }
 
 enum E2ApplicationProtocol {
diff --git a/reader/rNibReader.go b/reader/rNibReader.go
index c12a2c8..6f33273 100644
--- a/reader/rNibReader.go
+++ b/reader/rNibReader.go
@@ -1,6 +1,7 @@
 //
 // Copyright 2019 AT&T Intellectual Property
 // Copyright 2019 Nokia
+// Copyright 2023 Capgemini
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -42,7 +43,7 @@ type RNibReader interface {
 	// GetNodeb retrieves responding nodeb entity from redis DB by nodeb inventory name
 	GetNodeb(inventoryName string) (*entities.NodebInfo, error)
 	// GetNodebByGlobalNbId retrieves responding nodeb entity from redis DB by nodeb global Id
-	GetNodebByGlobalNbId(nodeType entities.Node_Type, globalNbId *entities.GlobalNbId) (*entities.NodebInfo, error)
+	GetNodebByGlobalNbId(nodeType entities.Node_Type, globalNbId *entities.GlobalNbId, cuupId string,duid string) (*entities.NodebInfo, error)
 	// GetCellList retrieves the list of cell entities belonging to responding nodeb entity from redis DB by nodeb inventory name
 	GetCellList(inventoryName string) (*entities.Cells, error)
 	// GetListGnbIds retrieves the list of gNodeb identity entities
@@ -119,8 +120,8 @@ func (w *rNibReaderInstance) GetNodeb(inventoryName string) (*entities.NodebInfo
 	return nbInfo, nil
 }
 
-func (w *rNibReaderInstance) GetNodebByGlobalNbId(nodeType entities.Node_Type, globalNbId *entities.GlobalNbId) (*entities.NodebInfo, error) {
-	key, rNibErr := common.ValidateAndBuildNodeBIdKey(nodeType.String(), globalNbId.GetPlmnId(), globalNbId.GetNbId())
+func (w *rNibReaderInstance) GetNodebByGlobalNbId(nodeType entities.Node_Type, globalNbId *entities.GlobalNbId, cuupid string, duid string) (*entities.NodebInfo, error) {
+	key, rNibErr := common.ValidateAndBuildNodeBIdKey(nodeType.String(), globalNbId.GetPlmnId(), globalNbId.GetNbId(), cuupid, duid)
 	if rNibErr != nil {
 		return nil, rNibErr
 	}