小花狸监控可以嵌入备份的脚本.
一旦本地备份完成,向集中监控服务器发送信息,
集中监控服务器将数据拉回,实现异地备份.

数据拉回采用了expect脚本,模拟交互方式输入密码

/home/lihuilin/golang/src/backup.sh

#!/usr/bin/expect
##########################################################
#     1.service ip
#     2.User
#     3.userPassword
#     4.localPath [本地路径]
#     5.serverPath [server端路径]
#返回值：
#     0 成功
#     1 参数个数不正确
###########################################################

proc usage {} {
        regsub ".*/" $::argv0 "" name
        send_user "Usage:\n"
        send_user "$name serviceip User userPassword serverPath localPath\n"
        exit 1
}

## 判断参数个数
if {[llength $argv] != 5} {
        usage
}

#设置变量值
set severip [lindex $argv 0]
set User [lindex $argv 1]
set userPassword [lindex $argv 2]
set serverPath [lindex $argv 3]
set localPath [lindex $argv 4]

#定义变量标记rsync连接时是否输入yes确认
set inputYes 0

#rsync -avz /etc/ 192.168.15.234:/home/7_8
spawn rsync -avz $User@$severip:$serverPath $localPath
    expect {
    -nocase -re "yes/no" {
        send -- "yes\r"
            set inputYes 1
    }
    -nocase -re "assword: " {
        send -- "$userPassword\r"
                    interact
    }
    -nocase -re "Connection refused" {
        send_error "Sftp services at ${ftpServerIp} is not active.\n"
            exit 2
    }
    timeout {
        send_error "Connect to sftp server ${ftpUser}@${ftpServerIp} timeout(10s).\n"
            exit 8
    }
    eof
}

#如果输入了yes确认，输入密码
if {$inputYes==1} {
        expect {
            -nocase -re "assword: " {
            send -- "$userPassword\r"
            interact
        }
    }
}

expect eof

使用golang调用脚本 Backup.go
package main

import (
   "github.com/codeskyblue/go-sh"
   "log"
)

type BackupInfo struct {
   User      string
   Pwd       string
   Path      string
   LocalAddr string
}

func NewBackupInfo(localAddr, user, pwd, path string) *BackupInfo {
   backup := &BackupInfo{}
   backup.LocalAddr = localAddr
   backup.User = user
   backup.Pwd = pwd
   backup.Path = path
   return backup
}

func Backup(backupinfo *BackupInfo) {
   s := sh.NewSession()
    //s.ShowCMD = true
   s.SetEnv("/usr/bin", "/bin")
   cmd := s.Command("/usr/bin/expect", "/home/lihuilin/golang/src/backup.sh", backupinfo.LocalAddr, backupinfo.User, backupinfo.Pwd, backupinfo.Path, "/tmp")
   result, err := cmd.Output()
   if err != nil {
       log.Println(err.Error())
   }
   log.Println(string(result))

}

func main() {
   backupinfo := NewBackupInfo("192.168.1.70", "root", "root", "/tmp/data")
   Backup(backupinfo)
}

参考:
http://www.cnblogs.com/gylei/archive/2013/05/11/3072331.html

ITPub博客

小花狸监控之异地备份

最新文章