107 lines
3.0 KiB
Go
107 lines
3.0 KiB
Go
package dtmsvr
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import (
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"fmt"
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"strings"
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"time"
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"github.com/sirupsen/logrus"
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"github.com/spf13/viper"
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"github.com/yedf/dtm/common"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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)
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type M = map[string]interface{}
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type tracePlugin struct{}
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func (op *tracePlugin) Name() string {
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return "tracePlugin"
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}
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func (op *tracePlugin) Initialize(db *gorm.DB) (err error) {
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before := func(db *gorm.DB) {
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db.InstanceSet("ivy.startTime", time.Now())
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}
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after := func(db *gorm.DB) {
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_ts, _ := db.InstanceGet("ivy.startTime")
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sql := db.Dialector.Explain(db.Statement.SQL.String(), db.Statement.Vars...)
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logrus.Printf("used: %d ms affected: %d sql is: %s", time.Since(_ts.(time.Time)).Milliseconds(), db.RowsAffected, sql)
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if v, ok := db.InstanceGet("ivy.must"); ok && v.(bool) {
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if db.Error != nil && db.Error != gorm.ErrRecordNotFound {
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panic(db.Error)
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}
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}
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}
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beforeName := "cb_before"
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afterName := "cb_after"
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logrus.Printf("installing db plugin: %s", op.Name())
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// 开始前
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_ = db.Callback().Create().Before("gorm:before_create").Register(beforeName, before)
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_ = db.Callback().Query().Before("gorm:query").Register(beforeName, before)
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_ = db.Callback().Delete().Before("gorm:before_delete").Register(beforeName, before)
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_ = db.Callback().Update().Before("gorm:setup_reflect_value").Register(beforeName, before)
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_ = db.Callback().Row().Before("gorm:row").Register(beforeName, before)
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_ = db.Callback().Raw().Before("gorm:raw").Register(beforeName, before)
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// 结束后
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_ = db.Callback().Create().After("gorm:after_create").Register(afterName, after)
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_ = db.Callback().Query().After("gorm:after_query").Register(afterName, after)
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_ = db.Callback().Delete().After("gorm:after_delete").Register(afterName, after)
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_ = db.Callback().Update().After("gorm:after_update").Register(afterName, after)
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_ = db.Callback().Row().After("gorm:row").Register(afterName, after)
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_ = db.Callback().Raw().After("gorm:raw").Register(afterName, after)
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return
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}
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var db *gorm.DB = nil
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type MyDb struct {
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*gorm.DB
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}
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func (m *MyDb) Must() *MyDb {
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db := m.InstanceSet("ivy.must", true)
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return &MyDb{DB: db}
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}
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func (m *MyDb) NoMust() *MyDb {
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db := m.InstanceSet("ivy.must", false)
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return &MyDb{DB: db}
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}
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func DbGet() *MyDb {
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LoadConfig()
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if db == nil {
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conf := viper.GetStringMapString("mysql")
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dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true&loc=Local", conf["user"], conf["password"], conf["host"], conf["port"], conf["database"])
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logrus.Printf("connecting %s", strings.Replace(dsn, conf["password"], "****", 1))
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db1, err := gorm.Open(mysql.Open(dsn), &gorm.Config{
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SkipDefaultTransaction: true,
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})
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common.PanicIfError(err)
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db1.Use(&tracePlugin{})
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db = db1
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}
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return &MyDb{DB: db}
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}
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func writeTransLog(gid string, action string, status string, step int, detail string) {
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db := DbGet()
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if detail == "" {
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detail = "{}"
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}
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dbr := db.Table("test1.a_dtrans_log").Create(M{
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"gid": gid,
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"action": action,
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"status": status,
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"step": step,
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"detail": detail,
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})
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common.PanicIfError(dbr.Error)
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}
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