From b3afe0385ad2fd5cf876b8be002f0bd47eaf2578 Mon Sep 17 00:00:00 2001
From: Noah Hilverling <noah.hilverling@icinga.com>
Date: Mon, 25 Feb 2019 10:33:17 +0100
Subject: [PATCH] DBWrapper: Test connection in NewDBWrapper()

---
 mysql.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/mysql.go b/mysql.go
index f063bdfd..96298c4e 100644
--- a/mysql.go
+++ b/mysql.go
@@ -56,6 +56,11 @@ func NewDBWrapper(dbType string, dbDsn string) (*DBWrapper, error) {
 	dbw := DBWrapper{Db: db, ConnectedAtomic: new(uint32)}
 	dbw.ConnectionUpCondition = sync.NewCond(&sync.Mutex{})
 
+	err = dbw.Db.Ping()
+	if err != nil {
+		return nil, err
+	}
+
 	go func() {
 		for {
 			dbw.checkConnection(true)