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/cluster_info.go

@@ -7,24 +7,16 @@ import (
 	"encoding/json"
 	"io"
 	"strings"
-	"sync"
-	"sync/atomic"
 )
 
 type ClusterInfo struct {
-	Id                 string       `json:"id"`
-	Version            string       `json:"version"`
-	ConfigHash         string       `json:"config_hash"`
-	InterNodeUrl       string       `json:"internode_url"`
-	Hostname           string       `json:"hostname"`
-	LastSuccessfulPing int64        `json:"last_ping"`
-	Alive              int32        `json:"is_alive"`
-	Mutex              sync.RWMutex `json:"-"`
+	Version    string `json:"version"`
+	ConfigHash string `json:"config_hash"`
+	IpAddress  string `json:"ipaddress"`
+	Hostname   string `json:"hostname"`
 }
 
 func (me *ClusterInfo) ToJson() string {
-	me.Mutex.RLock()
-	defer me.Mutex.RUnlock()
 	b, err := json.Marshal(me)
 	if err != nil {
 		return ""
@@ -41,7 +33,6 @@ func (me *ClusterInfo) Copy() *ClusterInfo {
 func ClusterInfoFromJson(data io.Reader) *ClusterInfo {
 	decoder := json.NewDecoder(data)
 	var me ClusterInfo
-	me.Mutex = sync.RWMutex{}
 	err := decoder.Decode(&me)
 	if err == nil {
 		return &me
@@ -50,38 +41,6 @@ func ClusterInfoFromJson(data io.Reader) *ClusterInfo {
 	}
 }
 
-func (me *ClusterInfo) SetAlive(alive bool) {
-	if alive {
-		atomic.StoreInt32(&me.Alive, 1)
-	} else {
-		atomic.StoreInt32(&me.Alive, 0)
-	}
-}
-
-func (me *ClusterInfo) IsAlive() bool {
-	return atomic.LoadInt32(&me.Alive) == 1
-}
-
-func (me *ClusterInfo) HaveEstablishedInitialContact() bool {
-	me.Mutex.RLock()
-	defer me.Mutex.RUnlock()
-	if me.Id != "" {
-		return true
-	}
-
-	return false
-}
-
-func (me *ClusterInfo) IdEqualTo(in string) bool {
-	me.Mutex.RLock()
-	defer me.Mutex.RUnlock()
-	if me.Id == in {
-		return true
-	}
-
-	return false
-}
-
 func ClusterInfosToJson(objmap []*ClusterInfo) string {
 	if b, err := json.Marshal(objmap); err != nil {
 		return ""