feat(be): timeout of boltdb

cli/cmd/root.go

@@ -13,6 +13,7 @@ import (
 	"github.com/gorilla/context"
 	"github.com/gorilla/handlers"
 	"github.com/spf13/cobra"
+	"go.etcd.io/bbolt"
 	"net/http"
 	"os"
 )
@@ -110,7 +111,12 @@ func createStore() db.Store {
 	store := factory.CreateStore()
 
 	if err := store.Connect(); err != nil {
-		fmt.Println("\n Have you run `semaphore setup`?")
+		switch err {
+		case bbolt.ErrTimeout:
+			fmt.Println("\n [ERR_BOLTDB_TIMEOUT] BoltDB supports only one connection at a time. You should stop service when using CLI.")
+		default:
+			fmt.Println("\n Have you run `semaphore setup`?")
+		}
 		panic(err)
 	}
 

db/bolt/BoltDb.go

@@ -9,6 +9,7 @@ import (
 	"go.etcd.io/bbolt"
 	"reflect"
 	"sort"
+	"time"
 )
 
 const MaxID = 2147483647
@@ -79,7 +80,10 @@ func (d *BoltDb) Connect() error {
 	}
 
 	var err error
-	d.db, err = bbolt.Open(filename, 0666, nil)
+	d.db, err = bbolt.Open(filename, 0666, &bbolt.Options{
+		Timeout: 5 * time.Second,
+	})
+
 	if err != nil {
 		return err
 	}