Added logic to show local ASN and local BGP peering address for gobgp…

… neighbor command

cmd/gobgp/neighbor.go

@@ -96,14 +96,22 @@ func getNeighbors(address string, enableAdv bool) ([]*api.Peer, error) {
 	return l, err
 }
 
-func getASN(p *api.Peer) string {
+func getRemoteASN(p *api.Peer) string {
 	asn := "*"
 	if p.State.PeerAsn > 0 {
 		asn = fmt.Sprint(p.State.PeerAsn)
 	}
 	return asn
 }
 
+func getLocalASN(p *api.Peer) string {
+	asn := "*"
+	if p.State.LocalAsn > 0 {
+		asn = fmt.Sprint(p.State.LocalAsn)
+	}
+	return asn
+}
+
 func counter(p *api.Peer) (uint64, uint64, uint64, error) {
 	accepted := uint64(0)
 	received := uint64(0)
@@ -181,7 +189,7 @@ func showNeighbors(vrf string) error {
 		} else if j := len(n.State.NeighborAddress); j > maxaddrlen {
 			maxaddrlen = j
 		}
-		if l := len(getASN(n)); l > maxaslen {
+		if l := len(getRemoteASN(n)); l > maxaslen {
 			maxaslen = l
 		}
 		timeStr := "never"
@@ -236,7 +244,7 @@ func showNeighbors(vrf string) error {
 			neigh = n.Conf.NeighborInterface
 		}
 		received, accepted, _, _ := counter(n)
-		fmt.Printf(format, neigh, getASN(n), timedelta[i], formatFsm(n.State.AdminState, n.State.SessionState), fmt.Sprint(received), fmt.Sprint(accepted))
+		fmt.Printf(format, neigh, getRemoteASN(n), timedelta[i], formatFsm(n.State.AdminState, n.State.SessionState), fmt.Sprint(received), fmt.Sprint(accepted))
 	}
 
 	return nil
@@ -255,7 +263,7 @@ func showNeighbor(args []string) error {
 		return nil
 	}
 
-	fmt.Printf("BGP neighbor is %s, remote AS %s", p.State.NeighborAddress, getASN(p))
+	fmt.Printf("BGP neighbor is %s, remote AS %s", p.State.NeighborAddress, getRemoteASN(p))
 
 	if p.RouteReflector.RouteReflectorClient {
 		fmt.Printf(", route-reflector-client\n")
@@ -277,6 +285,7 @@ func showNeighbor(args []string) error {
 		fmt.Print("\n")
 	}
 	fmt.Printf("  BGP OutQ = %d, Flops = %d\n", p.State.Queues.Output, p.State.Flops)
+	fmt.Printf("  Local address is %s, local ASN: %s\n", p.Transport.LocalAddress, getLocalASN(p))
 	fmt.Printf("  Hold time is %d, keepalive interval is %d seconds\n", int(p.Timers.State.NegotiatedHoldTime), int(p.Timers.State.KeepaliveInterval))
 	fmt.Printf("  Configured hold time is %d, keepalive interval is %d seconds\n", int(p.Timers.Config.HoldTime), int(p.Timers.Config.KeepaliveInterval))
 

internal/pkg/config/util.go

@@ -508,6 +508,7 @@ func NewPeerFromConfigStruct(pconf *Neighbor) *api.Peer {
 				},
 			},
 			PeerAsn:         s.PeerAs,
+			LocalAsn:        s.LocalAs,
 			Type:            api.PeerType(s.PeerType.ToInt()),
 			NeighborAddress: pconf.State.NeighborAddress,
 			Queues:          &api.Queues{},