feat: add database.

database/ent/client.go

@@ -0,0 +1,37 @@
+package ent
+
+import (
+	_ "github.com/go-sql-driver/mysql"
+
+	_ "github.com/jackc/pgx/v4/stdlib"
+	_ "github.com/lib/pq"
+
+	"github.com/go-kratos/kratos/v2/log"
+
+	conf "github.com/tx7do/kratos-bootstrap/api/gen/go/conf/v1"
+)
+
+// NewEntClient 创建Ent ORM数据库客户端
+func NewEntClient[T ClientInterface](cfg *conf.Bootstrap, l *log.Helper, db T) *ClientWrapper[T] {
+
+	drv, err := CreateDriver(
+		cfg.Data.Database.GetDriver(),
+		cfg.Data.Database.GetSource(),
+		cfg.Data.Database.GetEnableTrace(),
+		cfg.Data.Database.GetEnableMetrics(),
+	)
+	if err != nil {
+		l.Fatalf("failed opening connection to db: %v", err)
+		return nil
+	}
+
+	wrapperClient := NewEntClientWrapper(db, drv)
+
+	wrapperClient.SetConnectionOption(
+		int(cfg.Data.Database.GetMaxIdleConnections()),
+		int(cfg.Data.Database.GetMaxOpenConnections()),
+		cfg.Data.Database.GetConnectionMaxLifetime().AsDuration(),
+	)
+
+	return wrapperClient
+}