增加包装的DB Client

logger/wrapper/gorm_v2.go

@@ -12,6 +12,8 @@ import (
 	"fmt"
 	"time"
 
+	"github.com/gin-gonic/gin"
+
 	"gorm.io/gorm"
 
 	"go.uber.org/zap/zapcore"
@@ -47,15 +49,34 @@ func NewGormV2(loggerLevel zapcore.Level, consoleOutput bool, encoder zapcore.En
 	}, nil
 }
 
+// NewGormLoggerWithInstance 获取gorm日志实现
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 3:36 PM 2021/12/24
+func NewGormLoggerWithInstance(ctx *gin.Context, instance *zap.Logger, node string, extraCtxFieldList []string) logger.Interface {
+	return &Gorm{
+		instance:          instance,
+		traceIDField:      "",
+		extraCtxFieldList: extraCtxFieldList,
+		flag:              "",
+		node:              node,
+		ctx:               ctx,
+	}
+}
+
 // Gorm v2 版本库日志实现
 //
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 9:55 下午 2021/3/1
 type Gorm struct {
-	instance     *zap.Logger // 日志实例
-	traceIDField string      // 串联请求上下文的的ID
-	flag         string      // 数据库标识
+	instance          *zap.Logger  // 日志实例
+	traceIDField      string       // 串联请求上下文的的ID
+	extraCtxFieldList []string     // 从请求上线问提取的字段
+	flag              string       // 数据库标识
+	node              string       // 数据库节点 master / slave
+	ctx               *gin.Context // gin上下文
 }
 
 // LogMode ...
@@ -145,7 +166,7 @@ func (g *Gorm) getTraceID(ctx context.Context) string {
 	return fmt.Sprintf("%v", ctx.Value(g.traceIDField))
 }
 
-// GetGormSQL 获取tracefn
+// GetGormSQL 获取trace fn
 //
 // Author : go_developer@163.com<白茶清欢>
 //

middleware/mysql/client.go

@@ -10,14 +10,107 @@ package mysql
 import (
 	"fmt"
 
-	"git.zhangdeman.cn/zhangdeman/gopkg/logger"
-
 	"git.zhangdeman.cn/zhangdeman/gopkg/logger/wrapper"
+	"github.com/gin-gonic/gin"
+
+	"go.uber.org/zap"
+
+	"git.zhangdeman.cn/zhangdeman/gopkg/logger"
+	gormLogger "gorm.io/gorm/logger"
 
 	"gorm.io/driver/mysql"
 	"gorm.io/gorm"
 )
 
+// NewDBClient ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 3:09 PM 2021/12/24
+func NewDBClient(masterConf *DBConfig, slaveConf *DBConfig, logConf *LogConfig, loggerInstance *zap.Logger, extraRequestFieldList []string) (*DBClient, error) {
+	client := &DBClient{
+		extraFieldList: extraRequestFieldList,
+	}
+	var err error
+	// 日志初始化失败
+	if client.loggerInstance, err = getLogInstance(logConf, loggerInstance); nil != err {
+		return nil, err
+	}
+	if client.master, err = GetDatabaseClient(masterConf, nil); nil != err {
+		return nil, err
+	}
+	if client.slave, err = GetDatabaseClient(slaveConf, nil); nil != err {
+		return nil, err
+	}
+	return client, nil
+}
+
+// DBClient 包装日志实例
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 3:09 PM 2021/12/24
+type DBClient struct {
+	loggerInstance *zap.Logger
+	master         *gorm.DB
+	slave          *gorm.DB
+	extraFieldList []string
+}
+
+// GetMaster 获取主库连接
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 3:28 PM 2021/12/24
+func (dc *DBClient) GetMaster(ctx *gin.Context) *gorm.DB {
+	return dc.master.Session(&gorm.Session{
+		Logger: dc.getLogger(ctx, "master"),
+	})
+}
+
+// GetSlave 获取从库链接
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 3:29 PM 2021/12/24
+func (dc *DBClient) GetSlave(ctx *gin.Context) *gorm.DB {
+	return dc.slave.Session(&gorm.Session{
+		Logger: dc.getLogger(ctx, "slave"),
+	})
+}
+
+// getLogger 获取日志实例
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 3:45 PM 2021/12/24
+func (dc *DBClient) getLogger(ctx *gin.Context, node string) gormLogger.Interface {
+	return wrapper.NewGormLoggerWithInstance(ctx, dc.loggerInstance, node, dc.extraFieldList)
+}
+
+// getLogInstance 获取日志实例
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 3:20 PM 2021/12/24
+func getLogInstance(logConf *LogConfig, loggerInstance *zap.Logger) (*zap.Logger, error) {
+	if nil != loggerInstance {
+		return loggerInstance, nil
+	}
+	logConfList := []logger.SetLoggerOptionFunc{logger.WithEncoder(logConf.Encoder), logger.WithCallerSkip(logConf.Skip), logger.WithCaller()}
+	if logConf.ConsoleOutput {
+		logConfList = append(logConfList, logger.WithConsoleOutput())
+	}
+
+	var (
+		err error
+	)
+	if loggerInstance, err = logger.NewLogger(logConf.Level, logConf.SplitConfig, logConfList...); nil != err {
+		return nil, err
+	}
+	return loggerInstance, nil
+}
+
 // GetDatabaseClient 获取日志实例
 //
 // Author : go_developer@163.com<白茶清欢>
@@ -25,35 +118,22 @@ import (
 // Date : 10:49 下午 2021/3/1
 func GetDatabaseClient(conf *DBConfig, logConf *LogConfig) (*gorm.DB, error) {
 	var (
-		instance *gorm.DB
-		err      error
+		instance       *gorm.DB
+		err            error
+		loggerInstance *zap.Logger
 	)
 
 	if instance, err = gorm.Open(mysql.Open(buildConnectionDSN(conf)), &gorm.Config{}); nil != err {
 		return nil, err
 	}
 
-	if len(logConf.TraceFieldName) == 0 {
-		logConf.TraceFieldName = defaultTraceFieldName
+	if nil != logConf {
+		if loggerInstance, err = getLogInstance(logConf, nil); nil != err {
+			return nil, err
+		}
+		instance.Logger = wrapper.NewGormLoggerWithInstance(nil, loggerInstance, "", nil)
 	}
 
-	splitConfigFuncList := []logger.SetRotateLogConfigFunc{
-		logger.WithTimeIntervalType(logConf.SplitConfig.TimeIntervalType),
-		logger.WithDivisionChar(logConf.SplitConfig.DivisionChar),
-		logger.WithMaxAge(logConf.SplitConfig.MaxAge),
-	}
-
-	splitConfig, _ := logger.NewRotateLogConfig(logConf.SplitConfig.LogPath, logConf.SplitConfig.LogFileName, splitConfigFuncList...)
-
-	if instance.Logger, err = wrapper.NewGormV2(
-		logConf.Level,
-		logConf.ConsoleOutput,
-		logConf.Encoder,
-		splitConfig,
-		logConf.TraceFieldName,
-		logConf.Skip); nil != err {
-		return nil, CreateDBLogError(err)
-	}
 	return instance, nil
 }