added BinAddr field in agent/self API response (#22761)

Author: nitin-sachdev-29

agent/agent_endpoint.go

@@ -6,6 +6,7 @@ package agent
 import (
 	"encoding/json"
 	"fmt"
+	"net"
 	"net/http"
 	"strconv"
 	"strings"
@@ -121,6 +122,7 @@ func (s *HTTPHandlers) AgentSelf(resp http.ResponseWriter, req *http.Request) (i
 		Server            bool
 		Version           string
 		BuildDate         string
+		BindAddr          net.IP
 	}{
 		Datacenter:        displayConfig.Datacenter,
 		PrimaryDatacenter: displayConfig.PrimaryDatacenter,
@@ -132,6 +134,12 @@ func (s *HTTPHandlers) AgentSelf(resp http.ResponseWriter, req *http.Request) (i
 		// We expect the ent version to be part of the reported version string, and that's now part of the metadata, not the actual version.
 		Version:   displayConfig.VersionWithMetadata(),
 		BuildDate: displayConfig.BuildDate.Format(time.RFC3339),
+		BindAddr: func() net.IP {
+			if displayConfig.BindAddr != nil {
+				return displayConfig.BindAddr.IP
+			}
+			return nil
+		}(),
 	}
 
 	return Self{