Use mattermost v5 module (#1192)

vendor/github.com/mattermost/mattermost-server/v5/model/cluster_info.go

@@ -0,0 +1,44 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package model
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type ClusterInfo struct {
+	Id         string `json:"id"`
+	Version    string `json:"version"`
+	ConfigHash string `json:"config_hash"`
+	IpAddress  string `json:"ipaddress"`
+	Hostname   string `json:"hostname"`
+}
+
+func (me *ClusterInfo) ToJson() string {
+	b, _ := json.Marshal(me)
+	return string(b)
+}
+
+func ClusterInfoFromJson(data io.Reader) *ClusterInfo {
+	var me *ClusterInfo
+	json.NewDecoder(data).Decode(&me)
+	return me
+}
+
+func ClusterInfosToJson(objmap []*ClusterInfo) string {
+	b, _ := json.Marshal(objmap)
+	return string(b)
+}
+
+func ClusterInfosFromJson(data io.Reader) []*ClusterInfo {
+	decoder := json.NewDecoder(data)
+
+	var objmap []*ClusterInfo
+	if err := decoder.Decode(&objmap); err != nil {
+		return make([]*ClusterInfo, 0)
+	} else {
+		return objmap
+	}
+}