diff --git a/config/system_config.tpl b/config/system_config.tpl
index 0f8b93f8..694ccdbc 100644
--- a/config/system_config.tpl
+++ b/config/system_config.tpl
@@ -75,3 +75,11 @@ pipeline:
             group: activity
           when:
             cluster_available: ["$[[CLUSTER_ID]]"]
+  - name: cluster_migration_split
+    auto_start: true
+    keep_running: true
+    processor:
+      - cluster_migration:
+          elasticsearch: "$[[CLUSTER_ID]]"
+          when:
+            cluster_available: ["$[[CLUSTER_ID]]"]
\ No newline at end of file
diff --git a/main.go b/main.go
index d70418fe..d5b0fc09 100644
--- a/main.go
+++ b/main.go
@@ -23,6 +23,7 @@ import (
 	_ "infini.sh/framework/modules/api"
 	elastic2 "infini.sh/framework/modules/elastic"
 	"infini.sh/framework/modules/metrics"
+	"infini.sh/framework/modules/migration"
 	"infini.sh/framework/modules/pipeline"
 	queue2 "infini.sh/framework/modules/queue/disk_queue"
 	"infini.sh/framework/modules/redis"
@@ -70,6 +71,7 @@ func main() {
 	modules=append(modules,&agent.AgentModule{})
 	modules=append(modules,&metrics.MetricsModule{})
 	modules=append(modules,&security.Module{})
+	modules=append(modules,&migration.MigrationModule{})
 
 	uiModule:=&ui.UIModule{}
 
@@ -89,6 +91,7 @@ func main() {
 			module.RegisterSystemModule(&agent.AgentModule{})
 			module.RegisterSystemModule(&metrics.MetricsModule{})
 			module.RegisterSystemModule(&security.Module{})
+			module.RegisterSystemModule(&migration.MigrationModule{})
 		}else{
 			for _, v := range modules {
 				v.Setup()
@@ -137,6 +140,8 @@ func main() {
 			orm.RegisterSchemaWithIndexName(alerting.Channel{}, "channel")
 			orm.RegisterSchemaWithIndexName(insight.Visualization{}, "visualization")
 			orm.RegisterSchemaWithIndexName(insight.Dashboard{}, "dashboard")
+			orm.RegisterSchemaWithIndexName(task1.Task{}, "task")
+			orm.RegisterSchemaWithIndexName(task1.Log{}, "task-log")
 			api.RegisterSchema()
 
 			if global.Env().SetupRequired() {
diff --git a/model/gateway/instance.go b/model/gateway/instance.go
index 73977adb..59c32005 100644
--- a/model/gateway/instance.go
+++ b/model/gateway/instance.go
@@ -13,7 +13,7 @@ import (
 type Instance struct {
 	orm.ORMObjectBase
 
-	InstanceID string `json:"instance_id,omitempty" elastic_mapping:"instance_id: { type: keyword }"`
+	//InstanceID string `json:"instance_id,omitempty" elastic_mapping:"instance_id: { type: keyword }"`
 	Name        string `json:"name,omitempty" elastic_mapping:"name:{type:keyword,fields:{text: {type: text}}}"`
 	Endpoint string `json:"endpoint,omitempty" elastic_mapping:"endpoint: { type: keyword }"`
 	Version map[string]interface{} `json:"version,omitempty" elastic_mapping:"version: { type: object }"`
diff --git a/plugin/api/gateway/api.go b/plugin/api/gateway/api.go
index e37d444a..3034a3a8 100644
--- a/plugin/api/gateway/api.go
+++ b/plugin/api/gateway/api.go
@@ -24,4 +24,6 @@ func InitAPI() {
 	api.HandleAPIMethod(api.POST, "/gateway/instance/status", gateway.RequirePermission(gateway.getInstanceStatus, enum.PermissionGatewayInstanceRead))
 
 	api.HandleAPIMethod(api.POST, "/gateway/instance/:instance_id/_proxy", gateway.RequirePermission(gateway.proxy, enum.PermissionGatewayInstanceRead))
+
+	api.HandleAPIMethod(api.GET, "/_platform/nodes", gateway.getExecutionNodes)
 }
diff --git a/plugin/api/gateway/instance.go b/plugin/api/gateway/instance.go
index 9e09f7f1..2869adee 100644
--- a/plugin/api/gateway/instance.go
+++ b/plugin/api/gateway/instance.go
@@ -5,18 +5,22 @@
 package gateway
 
 import (
+	"context"
 	"fmt"
 	log "github.com/cihub/seelog"
 	"github.com/segmentio/encoding/json"
 	"infini.sh/console/model/gateway"
 	"infini.sh/framework/core/agent"
 	httprouter "infini.sh/framework/core/api/router"
+	elastic2 "infini.sh/framework/core/elastic"
 	"infini.sh/framework/core/orm"
 	"infini.sh/framework/core/proxy"
 	"infini.sh/framework/core/util"
+	"infini.sh/framework/modules/elastic"
 	"net/http"
 	"strconv"
 	"strings"
+	"time"
 )
 
 func (h *GatewayAPI) createInstance(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
@@ -28,6 +32,24 @@ func (h *GatewayAPI) createInstance(w http.ResponseWriter, req *http.Request, ps
 		return
 	}
 
+	res, err := h.doConnect(obj.Endpoint, obj.BasicAuth)
+	if err != nil {
+		h.WriteError(w, err.Error(), http.StatusInternalServerError)
+		log.Error(err)
+		return
+	}
+	obj.ID = res.ID
+
+	exists, err := orm.Get(obj)
+	if err != nil && err != elastic.ErrNotFound {
+		h.WriteError(w, err.Error(), http.StatusInternalServerError)
+		log.Error(err)
+		return
+	}
+	if exists {
+		h.WriteError(w, "gateway instance already registered", http.StatusInternalServerError)
+		return
+	}
 	err = orm.Create(obj)
 	if err != nil {
 		h.WriteError(w, err.Error(), http.StatusInternalServerError)
@@ -329,4 +351,159 @@ func (h *GatewayAPI) tryConnect(w http.ResponseWriter, req *http.Request, ps htt
 		return
 	}
 	h.WriteJSON(w, connectRes, http.StatusOK)
+}
+
+func (h *GatewayAPI) getExecutionNodes(w http.ResponseWriter, req *http.Request, ps httprouter.Params){
+	var (
+		keyword        = h.GetParameterOrDefault(req, "keyword", "")
+		strSize     = h.GetParameterOrDefault(req, "size", "10")
+		strFrom     = h.GetParameterOrDefault(req, "from", "0")
+	)
+	size, _ := strconv.Atoi(strSize)
+	if size <= 0 {
+		size = 10
+	}
+	from, _ := strconv.Atoi(strFrom)
+	if from < 0 {
+		from = 0
+	}
+	agentIndexName := orm.GetIndexName(agent.Instance{})
+	gatewayIndexName := orm.GetIndexName(gateway.Instance{})
+	agentMust := []util.MapStr{
+		{
+			"term": util.MapStr{
+				"enrolled": util.MapStr{
+					"value": true,
+				},
+			},
+		},
+		{
+			"term": util.MapStr{
+				"status": util.MapStr{
+					"value": "online",
+				},
+			},
+		},
+		{
+			"term": util.MapStr{
+				"_index": util.MapStr{
+					"value": agentIndexName,
+				},
+			},
+		},
+	}
+
+	boolQ := util.MapStr{
+		"minimum_should_match": 1,
+		"should": []util.MapStr{
+			{
+				"bool": util.MapStr{
+					"must": agentMust,
+				},
+			},
+			{
+				"term": util.MapStr{
+					"_index": util.MapStr{
+						"value": gatewayIndexName,
+					},
+				},
+			},
+		},
+	}
+	if keyword != "" {
+		boolQ["must"] = []util.MapStr{
+			{
+				"query_string": util.MapStr{
+					"default_field":"*",
+					"query": keyword,
+				},
+			},
+		}
+	}
+
+	query := util.MapStr{
+		"size": size,
+		"from": from,
+		"sort": []util.MapStr{
+			{
+				"created": util.MapStr{
+					"order": "desc",
+				},
+			},
+		},
+		"query": util.MapStr{
+			"bool": boolQ,
+		},
+	}
+	q := orm.Query{
+		IndexName: fmt.Sprintf("%s,%s", gatewayIndexName, agentIndexName),
+		RawQuery: util.MustToJSONBytes(query),
+	}
+	err, result := orm.Search(nil, &q)
+	if err != nil {
+		log.Error(err)
+		h.WriteError(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	searchRes := elastic2.SearchResponse{}
+	err = util.FromJSONBytes(result.Raw, &searchRes)
+	if err != nil {
+		log.Error(err)
+		h.WriteError(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	var nodes []util.MapStr
+	for _, hit := range searchRes.Hits.Hits {
+		var (
+			endpoint string
+			ok bool
+		)
+		node := util.MapStr{
+			"id": hit.Source["id"],
+			"name": hit.Source["name"],
+			"available": false,
+		}
+		hasErr := false
+		if hit.Index == gatewayIndexName {
+			node["type"] = "gateway"
+			if endpoint, ok = hit.Source["endpoint"].(string); !ok {
+				log.Warnf("got unexpect endpoint type of gateway instance [%s]: %s", hit.ID, hit.Source["endpoint"])
+				hasErr = true
+			}
+		}else if hit.Index == agentIndexName {
+			node["type"] = "agent"
+			endpoint = fmt.Sprintf("%s://%s:%v", hit.Source["schema"], hit.Source["remote_ip"], hit.Source["port"])
+		}
+		if !hasErr {
+			available, err := isNodeAvailable(endpoint)
+			if err != nil {
+				log.Error(err)
+			}
+			node["available"] = available
+		}
+		nodes = append(nodes, node)
+	}
+	h.WriteJSON(w, nodes, http.StatusOK)
+}
+
+func isNodeAvailable(endpoint string) (bool, error){
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+	defer cancel()
+	rq := &util.Request{
+		Method: http.MethodGet,
+		Url: fmt.Sprintf("%s%s", endpoint, "/pipeline/tasks/_dynamic"),
+		Context: ctx,
+	}
+	resp, err := util.ExecuteRequest(rq)
+	if err != nil {
+		return false, err
+	}
+	resBody := struct {
+		Success bool `json:"success"`
+	}{}
+	err = util.FromJSONBytes(resp.Body, &resBody)
+	if err != nil {
+		return false, err
+	}
+	return resBody.Success, nil
 }
\ No newline at end of file
diff --git a/ui.go b/ui.go
index 95b7a9cd..92524c93 100644
--- a/ui.go
+++ b/ui.go
@@ -6,11 +6,11 @@ import (
 	"net/http"
 
 	log "github.com/cihub/seelog"
+	"infini.sh/console/config"
+	uiapi "infini.sh/console/plugin/api"
 	"infini.sh/framework/core/api"
 	"infini.sh/framework/core/util"
 	"infini.sh/framework/core/vfs"
-	"infini.sh/console/config"
-	uiapi "infini.sh/console/plugin/api"
 )
 
 type UI struct {
@@ -31,7 +31,7 @@ func (h UI) InitUI() {
 	//
 	//api.HandleUIFunc("/config", func(w http.ResponseWriter, req *http.Request){
 	//	if(strings.TrimSpace(apiEndpoint) == ""){
-	//		hostParts := strings.Split(req.Host, ":")
+	//		hostParts := strings.Split(req.RemoteIP, ":")
 	//		apiEndpoint = fmt.Sprintf("%s//%s:%s", apiConfig.GetSchema(), hostParts[0], apiConfig.NetworkConfig.GetBindingPort())
 	//	}
 	//	buf, _ := json.Marshal(util.MapStr{