fix: health check problem (#4590)

core/stores/sqlx/metrics.go

@@ -41,6 +41,7 @@ var (
 
 type (
 	statGetter struct {
+		host      string
 		dbName    string
 		hash      string
 		poolStats func() sql.DBStats

core/stores/sqlx/sqlmanager.go

@@ -8,7 +8,7 @@ import (
 	"time"
 
 	"github.com/go-sql-driver/mysql"
-
+	"github.com/zeromicro/go-zero/core/logx"
 	"github.com/zeromicro/go-zero/core/syncx"
 )
 
@@ -27,19 +27,19 @@ func getCachedSqlConn(driverName, server string) (*sql.DB, error) {
 			return nil, err
 		}
 
-		if driverName == mysqlDriverName {
-			if cfg, err := mysql.ParseDSN(server); err != nil {
-				// do nothing here
-			} else {
-				checksum := sha256.Sum256([]byte(server))
-				connCollector.registerClient(&statGetter{
-					dbName: cfg.DBName,
-					hash:   hex.EncodeToString(checksum[:]),
-					poolStats: func() sql.DBStats {
-						return conn.Stats()
-					},
-				})
-			}
+		if cfg, e := mysql.ParseDSN(server); e != nil {
+			// if cannot parse, don't collect the metrics
+			logx.Error(e)
+		} else {
+			checksum := sha256.Sum256([]byte(server))
+			connCollector.registerClient(&statGetter{
+				host:   cfg.Addr,
+				dbName: cfg.DBName,
+				hash:   hex.EncodeToString(checksum[:]),
+				poolStats: func() sql.DBStats {
+					return conn.Stats()
+				},
+			})
 		}
 
 		return conn, nil