bgpv1: ExternalIP advertisement with BGP Control Plane

Fixes: #29990 Signed-off-by: chaunceyjiang <chaunceyjiang@gmail.com>
cilium · Mar 13, 2024 · 54c01e2 · 54c01e2
1 parent 687e4f8
commit 54c01e2
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Showing 8 changed files with 1,091 additions and 5 deletions.
diff --git a/pkg/bgpv1/manager/reconciler/service.go b/pkg/bgpv1/manager/reconciler/service.go
@@ -344,6 +344,17 @@ func (r *ServiceReconciler) svcDesiredRoutes(newc *v2alpha1api.CiliumBGPVirtualR
 				}
 				desiredRoutes = append(desiredRoutes, netip.PrefixFrom(addr, addr.BitLen()))
 			}
+		case v2alpha1api.BGPExternalIPAddr:
+			for _, extIP := range svc.Spec.ExternalIPs {
+				if extIP == "" {
+					continue
+				}
+				addr, err := netip.ParseAddr(extIP)
+				if err != nil {
+					continue
+				}
+				desiredRoutes = append(desiredRoutes, netip.PrefixFrom(addr, addr.BitLen()))
+			}
 		}
 	}