Merge pull request loxilb-io#551 from nik-netlox/main

BFD config auto-apply on restart

api/loxinlp/nlp.go

@@ -217,6 +217,27 @@ func applyEPConfig() bool {
 	return true
 }
 
+func ApplyBFDConfig() bool {
+	var resp struct {
+		Attr []cmn.BFDMod `json:"Attr"`
+	}
+	byteBuf, err := os.ReadFile("/etc/loxilb/BFDconfig.txt")
+	if err != nil {
+		fmt.Println(err.Error())
+		return false
+	}
+
+	// Unmashal to Json
+	if err := json.Unmarshal(byteBuf, &resp); err != nil {
+		fmt.Printf("Error: Failed to unmarshal File: (%s)\n", err.Error())
+		return false
+	}
+	for _, bfd := range resp.Attr {
+		hooks.NetBFDAdd(&bfd)
+	}
+	return true
+}
+
 func applyRoutes(name string) {
 	tk.LogIt(tk.LogDebug, "[NLP] Applying Route Config for %s \n", name)
 	command := "loxicmd apply --per-intf " + name + " -r -c /etc/loxilb/ipconfig/"

loxinet/cluster.go

@@ -22,6 +22,7 @@ import (
 	"net"
 	"os"
 	"time"
+	nlp "github.com/loxilb-io/loxilb/api/loxinlp"
 
 	cmn "github.com/loxilb-io/loxilb/common"
 	opts "github.com/loxilb-io/loxilb/options"
@@ -108,6 +109,13 @@ func (ci *CIStateH) startBFDProto() {
 		os.Exit(1)
 	}
 	tk.LogIt(tk.LogInfo, "KA - Added BFD remote %s:%s:%vus\n", ci.RemoteIP.String(), ci.SourceIP.String(), txInterval)
+	if _, err := os.Stat("/etc/loxilb/BFDconfig.txt"); errors.Is(err, os.ErrNotExist) {
+		if err != nil {
+			tk.LogIt(tk.LogInfo, "[Init] No BFD config file : %s \n", err.Error())
+		}
+	} else {
+		nlp.ApplyBFDConfig()
+	}
 }
 
 // CITicker - Periodic ticker for Cluster module