Alert if Backup Failed in past 24 hours

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Release Time

07/18/2017

Downloads

1428 times

Update Time

01/17/2025

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Description
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Please use this script, this script will trigger an alert if the backup event failed in the past 24 hours.It continuously monitors for the back up failed events and generates an alert.

Note:

Run this script as custom monitoring script

Procedure's Instructions

ps_content=r'''
Get-WinEvent -LogName "Microsoft-Windows-Backup" -FilterXPath "*[System[Level=2 and TimeCreated[timediff(@SystemTime) <= 86400000]]]"
'''

import os
import re
import sys
def alert(arg): 
    sys.stderr.write("%d%d%d" % (arg, arg, arg))
	
def ecmd(command):
    import ctypes
    from subprocess import PIPE, Popen
    
    class disable_file_system_redirection:
        _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
        _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
        def __enter__(self):
            self.old_value = ctypes.c_long()
            self.success = self._disable(ctypes.byref(self.old_value))
        def __exit__(self, type, value, traceback):
            if self.success:
                self._revert(self.old_value)
    
    with disable_file_system_redirection():
        obj = Popen(command, shell = True, stdout = PIPE, stderr = PIPE)
    out, err = obj.communicate()
    ret=obj.returncode
    if ret==0:
        if out:
            return out.strip()
        else:
            return ret
    else:
        if err:
            return err.strip()
        else:
            return ret

file_name='powershell_file.ps1'
file_path=os.path.join(os.environ['TEMP'], file_name)
with open(file_path, 'wb') as wr:
    wr.write(ps_content)

ecmd('powershell "Set-ExecutionPolicy RemoteSigned"')
ar=ecmd('powershell "%s"'%file_path)

if ar:
    print ("backup has failed in past 24 hours")
    alert(1)
else:
    print ("backup has not failed in past 24 hours")
    alert(0)
    
os.remove(file_path)

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