PLT-6080 moving clustering to memberlist (#6499)

* PLT-6080 adding cluster discovery service

* Adding memberlist lib

* Adding memberlist lib

* WIP

* WIP

* WIP

* WIP

* Rolling back config changes

* Fixing make file

* Fixing config for cluster

* WIP

* Fixing system console for clustering

* Fixing default config

* Fixing config

* Fixing system console for clustering

* Tweaking hub setting

* Bumping up time

* merging vendor dir

* Updating vendor dir

* Fixing unit test

* Fixing bad merge

* Remove some testing code

* Moving comment

* PLT-6868 adding db ping retry

* Removing unused loc strings

* Adding defer to cancel

model/utils.go

@@ -17,6 +17,8 @@ import (
 	"strings"
 	"time"
 
+	"net"
+
 	goi18n "github.com/nicksnyder/go-i18n/i18n"
 	"github.com/pborman/uuid"
 )
@@ -264,6 +266,23 @@ func StringFromJson(data io.Reader) string {
 	}
 }
 
+func GetServerIpAddress() string {
+	if addrs, err := net.InterfaceAddrs(); err != nil {
+		return ""
+	} else {
+		for _, addr := range addrs {
+
+			if ip, ok := addr.(*net.IPNet); ok && !ip.IP.IsLoopback() {
+				if ip.IP.To4() != nil {
+					return ip.IP.String()
+				}
+			}
+		}
+	}
+
+	return ""
+}
+
 func IsLower(s string) bool {
 	if strings.ToLower(s) == s {
 		return true