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| func ImportData(c *gin.Context) {
var config ImportConfig
if err := c.ShouldBindJSON(&config); err != nil {
c.JSON(http.StatusBadRequest, gin.H{
"success": false,
"message": "Invalid request body: " + err.Error(),
})
return
}
if err := validateImportConfig(config); err != nil {
c.JSON(http.StatusBadRequest, gin.H{
"success": false,
"message": "Invalid input: " + err.Error(),
})
return
}
logParams := map[string]string{
"RemoteHost": config.RemoteHost,
"RemoteUsername": config.RemoteUsername,
"RemoteDatabase": config.RemoteDatabase,
"LocalDatabase": config.LocalDatabase,
"Timestamp": time.Now().Format("2006-01-02 15:04:05"),
}
logBytes, _ := json.MarshalIndent(logParams, "", " ")
fmt.Printf("Import Parameters:\n%s\n", string(logBytes))
config.RemoteHost = sanitizeInput(config.RemoteHost)
config.RemoteUsername = sanitizeInput(config.RemoteUsername)
config.RemoteDatabase = sanitizeInput(config.RemoteDatabase)
config.LocalDatabase = sanitizeInput(config.LocalDatabase)
config.RemotePassword = sanitizeInput(config.RemotePassword)
// Connect Database
if manager.db == nil {
dsn := buildDSN(localConfig)
db, err := sql.Open("mysql", dsn)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"success": false,
"message": "Failed to connect to local database: " + err.Error(),
})
return
}
if err := db.Ping(); err != nil {
db.Close()
c.JSON(http.StatusInternalServerError, gin.H{
"success": false,
"message": "Failed to ping local database: " + err.Error(),
})
return
}
manager.db = db
}
if err := createdb(config.LocalDatabase); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"success": false,
"message": "Failed to create local database: " + err.Error(),
})
return
}
// 创建以时间戳命名的目录
timestamp := time.Now().Format("20060102_150405")
backupDir := filepath.Join("backups", timestamp)
if err := os.MkdirAll(backupDir, 0755); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"success": false,
"message": "Failed to create backup directory: " + err.Error(),
})
return
}
// 创建SQL文件
sqlFileName := fmt.Sprintf("%s_%s.sql", config.RemoteDatabase, timestamp)
sqlFilePath := filepath.Join(backupDir, sqlFileName)
sqlFile, err := os.Create(sqlFilePath)
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"success": false,
"message": "Failed to create SQL file: " + err.Error(),
})
return
}
defer sqlFile.Close()
// 创建参数日志文件
logFileName := fmt.Sprintf("%s_%s_params.json", config.RemoteDatabase, timestamp)
logFilePath := filepath.Join(backupDir, logFileName)
if err := os.WriteFile(logFilePath, logBytes, 0644); err != nil {
fmt.Printf("Warning: Failed to save parameters log: %v\n", err)
}
dumpCmd := exec.Command("mysqldump",
"-h", config.RemoteHost,
"-u", config.RemoteUsername,
"-p"+config.RemotePassword,
config.RemoteDatabase)
tmpfile, err := os.CreateTemp("", "mysqldump-*.sql")
if err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"success": false,
"message": "Failed to create temporary file: " + err.Error(),
})
return
}
defer os.Remove(tmpfile.Name())
defer tmpfile.Close()
writer := io.MultiWriter(sqlFile, tmpfile)
dumpCmd.Stdout = writer
dumpCmd.Stderr = os.Stderr
if err := dumpCmd.Run(); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"success": false,
"message": "Failed to export database: " + err.Error(),
})
return
}
tmpfile.Sync()
tmpfile.Seek(0, 0)
importCmd := exec.Command("mysql",
"-h", "127.0.0.1",
"-u", localConfig.Username,
"-p"+localConfig.Password,
config.LocalDatabase)
importCmd.Stdin = tmpfile
importCmd.Stderr = os.Stderr
if err := importCmd.Run(); err != nil {
c.JSON(http.StatusInternalServerError, gin.H{
"success": false,
"message": "Failed to import data: " + err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": fmt.Sprintf("Data imported successfully. SQL file saved at: %s", sqlFilePath),
})
}
|
