04_block_attach_device_repeatedly_pos.py

xen虚拟机源代码安装包

#!/usr/bin/python

# Copyright (C) International Business Machines Corp., 2005
# Author: Murillo F. Bernardes <[e-mail]>

import re

from XmTestLib import *

if ENABLE_HVM_SUPPORT:
    SKIP("Block-attach not supported for HVM domains")

# Create a domain (default XmTestDomain, with our ramdisk)
domain = XmTestDomain()

try:
    console = domain.start()
except DomainError, e:
    if verbose:
        print "Failed to create test domain because:"
        print e.extra
    FAIL(str(e))

try:
    console.setHistorySaveCmds(value=True)
    # Run 'ls'
    run = console.runCmd("ls")
except ConsoleError, e:
    saveLog(console.getHistory())
    FAIL(str(e))
    
for i in range(10):
    status, output = traceCommand("xm block-attach %s phy:ram1 xvda1 w" % domain.getName())
    if i == 0 and status != 0:
        FAIL("xm block attach returned invalid %i != 0" % status)
    if i > 0 and status == 0:
        FAIL("xm block-attach (repeat) returned invalid %i > 0" % status)
    run = console.runCmd("cat /proc/partitions")
    if not re.search("xvda1", run['output']):
        FAIL("Device is not actually attached to domU")

# Close the console
domain.closeConsole()

# Stop the domain (nice shutdown)
domain.stop()