From 95cafb5decceda6963926e49beb6bf4aa164029f Mon Sep 17 00:00:00 2001
From: zongzw <a.zong@f5.com>
Date: Wed, 14 Dec 2022 20:39:49 +0800
Subject: [PATCH] enable BGP routing when legacy and TMOS mode.

Cannot mix routing-protocol Legacy and TMOS mode for route-domain (/Common/0)
---
 main.go         |  2 +-
 pkg/deployer.go | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/main.go b/main.go
index d851aa7..75e4ba0 100644
--- a/main.go
+++ b/main.go
@@ -279,7 +279,7 @@ func setupBIGIPs() error {
 
 		bc := &f5_bigip.BIGIPContext{BIGIP: *bigip, Context: context.TODO()}
 		if c.Calico != nil {
-			if err := bc.ModifyDbValue("tmrouted.tmos.routing", "enable"); err != nil {
+			if err := pkg.EnableBGPRouting(bc); err != nil {
 				errs = append(errs, fmt.Sprintf("config #%d: %s", i, err.Error()))
 				continue
 			}
diff --git a/pkg/deployer.go b/pkg/deployer.go
index 72e36e2..b39e039 100644
--- a/pkg/deployer.go
+++ b/pkg/deployer.go
@@ -1,6 +1,8 @@
 package pkg
 
 import (
+	"fmt"
+
 	f5_bigip "gitee.com/zongzw/f5-bigip-rest/bigip"
 	"gitee.com/zongzw/f5-bigip-rest/utils"
 )
@@ -114,3 +116,34 @@ func Deployer(stopCh chan struct{}, bigips []*f5_bigip.BIGIP) {
 		}
 	}
 }
+
+func EnableBGPRouting(bc *f5_bigip.BIGIPContext) error {
+	kind := "net/route-domain"
+	partition, subfolder, name := "Common", "", "0" // route domain 0
+
+	exists, err := bc.Exist(kind, name, partition, subfolder)
+	if err != nil {
+		return err
+	}
+	if exists == nil {
+		return fmt.Errorf("route domain 0 must exist. check it")
+	}
+	// "Cannot mix routing-protocol Legacy and TMOS mode for route-domain (/Common/0)."
+	// We need to remove "BGP" from routingProtocol for TMOS mode
+	if (*exists)["routingProtocol"] != nil {
+		nrps := []interface{}{}
+		for _, rp := range (*exists)["routingProtocol"].([]interface{}) {
+			if rp.(string) != "BGP" {
+				nrps = append(nrps, rp)
+			}
+		}
+		body := map[string]interface{}{
+			"routingProtocol": nrps,
+		}
+		if err := bc.Update(kind, name, partition, subfolder, body); err != nil {
+			return err
+		}
+	}
+
+	return bc.ModifyDbValue("tmrouted.tmos.routing", "enable")
+}