diff --git a/dbs/mongo/mongo.go b/dbs/mongo/mongo.go
index 6b3340a..628695a 100644
--- a/dbs/mongo/mongo.go
+++ b/dbs/mongo/mongo.go
@@ -26,7 +26,7 @@ var (
 	ResourceMap map[string]interface{}
 )
 
-func init() {
+func Init(collections []string) {
 	// var baseConfig string
 	var err error
 	var conf map[string]string
@@ -52,7 +52,7 @@ func init() {
 	createClient(lib.GetConfig().MongoURL)
 
 	lib.Logger.Info().Msg("Connecting mongo client to db " + DBname)
-	prepareDB(lib.GetConfig().DCNAME, lib.GetConfig().DBPOINT)
+	prepareDB(collections, lib.GetConfig().DCNAME, lib.GetConfig().DBPOINT)
 
 	lib.Logger.Info().Msg("Database is READY")
 
@@ -88,13 +88,10 @@ func createClient(MongoURL string) {
 
 }
 
-func prepareDB(dc_name string, db_point string) {
+func prepareDB(list_collection []string, dc_name string, db_point string) {
 	var err error
 	DBname := dc_name + "-" + db_point
 	mngoDB = mngoClient.Database(DBname)
-
-	list_collection := [...]string{"data", "processing", "storage", "datacenter", "workspace", "schedule", "workflow"}
-
 	existingCollections, err = mngoDB.ListCollectionNames(MngoCtx, bson.D{})
 	if err != nil {
 		lib.Logger.Fatal().Msg("Error contacting MongoDB\n" + err.Error())
diff --git a/models/models.go b/models/models.go
index 069e00d..39a69a8 100644
--- a/models/models.go
+++ b/models/models.go
@@ -2,6 +2,7 @@ package models
 
 import (
 	oclib "oc-lib"
+	"oc-lib/dbs/mongo"
 	r "oc-lib/models/resources"
 	d "oc-lib/models/resources/data"
 	dc "oc-lib/models/resources/datacenter"
@@ -27,3 +28,11 @@ func Model(model string) utils.DBObject {
 	log.Error().Msg("Can't find model " + model + ".")
 	return nil
 }
+
+func Init() {
+	dbs := []string{}
+	for db := range models {
+		dbs = append(dbs, db)
+	}
+	mongo.Init(dbs)
+}