146 lines
3.5 KiB
Go
146 lines
3.5 KiB
Go
package sm
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import (
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"database/sql"
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"fmt"
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"net/http"
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"os"
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"os/exec"
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"time"
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"ems.agt/lib/log"
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"ems.agt/lib/services"
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"ems.agt/restagent/config"
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_ "github.com/go-sql-driver/mysql"
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)
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var (
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// Get OMC local time
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UriOMCLocalTime = config.DefaultUriPrefix + "/systemManagement/{apiVersion}/elementType/OMC/objectType/time"
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CustomUriOMCLocalTime = config.UriPrefix + "/systemManagement/{apiVersion}/elementType/OMC/objectType/time"
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)
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type OMCLocalTime struct {
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Timestamp int64 `json:"timestamp"` // 时间戳 (单位:毫秒)
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TimeZone int `json:"timeZone"` // 本地时区偏移（单位：秒）
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}
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func GetOMCLocalTime(w http.ResponseWriter, r *http.Request) {
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log.Debug("GetOMCLocalTime processing... ")
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_, err := services.CheckFrontValidRequest(w, r)
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if err != nil {
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log.Error("Http request error:", err)
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return
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}
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t := time.Now()
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_, offset := t.Zone()
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localTime := OMCLocalTime{
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Timestamp: t.UnixMilli(),
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TimeZone: offset,
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}
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response := services.DataResponse{
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Data: localTime,
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}
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services.ResponseWithJson(w, http.StatusOK, response)
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}
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var dbConfig = config.GetYamlConfig().Database
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func DatabaseWhoreBackup() {
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// MySQL数据库连接信息
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sqlStr := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8&parseTime=true&loc=Local",
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dbConfig.User, dbConfig.Password, dbConfig.Host, dbConfig.Port, dbConfig.Name)
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db, err := sql.Open("mysql", sqlStr)
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if err != nil {
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log.Error("Failed to connect to database:", err)
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return
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}
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defer db.Close()
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// 备份SQL文件路径
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backupFile := dbConfig.Backup + "/" + "whore_backup_" + dbConfig.Name + ".sql"
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// 执行mysqldump命令进行备份
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cmd := exec.Command("mysqldump", "-u", dbConfig.User, "-p"+dbConfig.Password, "-h", dbConfig.Host, dbConfig.Name)
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output, err := cmd.Output()
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if err != nil {
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log.Error("Failed to execute mysqldump command:", err)
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return
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}
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// 将备份结果写入SQL文件
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file, err := os.Create(backupFile)
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if err != nil {
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log.Error("Failed to create backup file:", err)
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return
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}
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defer file.Close()
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_, err = file.Write(output)
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if err != nil {
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log.Error("Failed to write backup file:", err)
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return
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}
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log.Info("Backup completed successfully.")
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}
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func DatabaseIncrementalBackup() {
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// MySQL数据库连接信息
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sqlStr := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8&parseTime=true&loc=Local",
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dbConfig.User, dbConfig.Password, dbConfig.Host, dbConfig.Port, dbConfig.Name)
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db, err := sql.Open("mysql", sqlStr)
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if err != nil {
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log.Error("Failed to connect to database:", err)
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return
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}
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defer db.Close()
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// 备份SQL文件路径
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backupFile := dbConfig.Backup + "/" + "incremental_backup_" + dbConfig.Name + ".sql"
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// 上次备份的时间点
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lastBackupTime := time.Date(2022, time.January, 1, 0, 0, 0, 0, time.Local)
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// 构建增量备份SQL语句
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query := fmt.Sprintf("SELECT * FROM table WHERE modified_at > '%s'", lastBackupTime.Format("2006-01-02 15:04:05"))
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// 执行查询
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rows, err := db.Query(query)
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if err != nil {
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log.Error("Failed to execute query:", err)
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return
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}
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defer rows.Close()
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// 创建增量备份SQL文件
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file, err := os.Create(backupFile)
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if err != nil {
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log.Error("Failed to create backup file:", err)
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return
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}
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defer file.Close()
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// 将查询结果写入SQL文件
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for rows.Next() {
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var data string
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err := rows.Scan(&data)
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if err != nil {
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log.Error("Failed to scan row:", err)
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return
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}
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_, err = file.WriteString(data + "\n")
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if err != nil {
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log.Error("Failed to write backup file:", err)
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return
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}
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}
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log.Info("Incremental backup completed successfully.")
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}
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