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Backup VMGuest by “voftool” 

## filename: exportvmguest.spy
vmHostIP = '1.2.3.4'
vmGuestId = 'WEB1'
ovafile = 'WEB1.ova'
cmd=f'/home/iap/ovftool --noSSLVerify vi://{vmHostIP}/{vmGuestId} {ovafile}'
username = 'root'
password = 'secret'
with $.shell():
    ## because "ovftool" would exit by itself, so set exit=False
    with $.enter(cmd,exit=False) as ovftool:
        ovftool.expect('Username')
        ovftool.input(username)
        ovftool.expect('Password')
        try:
            ovftool.input(password)
            ovftool.expect(['complete','success'],timeout=1800)
        except TimeoutError:
            print(['Error timeout'])
            ovftool.input(chr(3))
    if $.exitcode == 0:
        print(['OK',$.exitcode,$.stdout])
    else:
        print(['Error',$.exitcode,$.stdout,$.stderr])
print('finish')

Executing 

$sshscript exportvmguest.spy

Backup VMGuest by “voftool” (python script) 

## filename: exportvmguest.py
import sshscript
import os
os.environ['DEBUG'] = '1'
vmHostIP = '1.2.3.4'
vmGuestId = 'WEB1'
ovafile = 'WEB1.ova'
cmd=f'/home/iap/ovftool --noSSLVerify vi://{vmHostIP}/{vmGuestId} {ovafile}'
username = 'root'
password = 'secret'
session = sshscript.SSHScriptSession()
with session.shell() as console:
    ## because "ovftool" would exit by itself, so set exit=False
    with console.enter(cmd,exit=False) as ovftool:
        ovftool.expect('Username')
        ovftool.input(username)
        ovftool.expect('Password')
        try:
            ovftool.input(password)
            ovftool.expect(['complete','success'],timeout=1800)
        except TimeoutError:
            print(['Error timeout'])
            ovftool.input(chr(3))
    if console.exitcode == 0:
        print(['OK',ovftool.exitcode,ovftool.stdout])
    else:
        print(['Error',ovftool.exitcode,ovftool.stdout,ovftool.stderr])

Executing 

$python3 exportvmguest.py

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Last Updated: 2026-07-25 16:59:40

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