[management] Add CreatedAt field to Peer and PeerBatch models (#4371)

[management] Add CreatedAt field to Peer and PeerBatch models (#4371)

Author: hakansa

management/server/http/handlers/peers/peers_handler.go

@@ -354,6 +354,7 @@ func toSinglePeerResponse(peer *nbpeer.Peer, groupsInfo []api.GroupMinimum, dnsD
 	}
 
 	return &api.Peer{
+		CreatedAt:                  peer.CreatedAt,
 		Id:                          peer.ID,
 		Name:                        peer.Name,
 		Ip:                          peer.IP.String(),
@@ -390,6 +391,7 @@ func toPeerListItemResponse(peer *nbpeer.Peer, groupsInfo []api.GroupMinimum, dn
 	}
 
 	return &api.PeerBatch{
+		CreatedAt:             peer.CreatedAt,
 		Id:                     peer.ID,
 		Name:                   peer.Name,
 		Ip:                     peer.IP.String(),

shared/management/http/api/openapi.yml

@@ -369,6 +369,11 @@ components:
         - $ref: '#/components/schemas/PeerMinimum'
         - type: object
           properties:
+            created_at:
+              description: Peer creation date (UTC)
+              type: string
+              format: date-time
+              example: "2023-05-05T09:00:35.477782Z"
             ip:
               description: Peer's IP address
               type: string
@@ -471,6 +476,7 @@ components:
             - connected
             - connection_ip
             - country_code
+            - created_at
             - dns_label
             - geoname_id
             - groups
@@ -544,11 +550,17 @@ components:
         - $ref: '#/components/schemas/Peer'
         - type: object
           properties:
+            created_at:
+              description: Peer creation date (UTC)
+              type: string
+              format: date-time
+              example: "2023-05-05T09:00:35.477782Z"
             accessible_peers_count:
               description: Number of accessible peers
               type: integer
               example: 5
           required:
+            - created_at
             - accessible_peers_count
     SetupKeyBase:
       type: object