def get_ping_dest(vm_session, mac_addr, restart_network=True):
"""
Get an ip address to ping
:param vm_session: The session object to the guest
:param mac_addr: mac address of given interface
:param restart_network: Whether to restart guest's network
:return: ip address
"""
if restart_network:
utils_misc.cmd_status_output("dhclient -r; sleep 5; dhclient",
shell=True,
session=vm_session)
vm_iface_info = utils_net.get_linux_iface_info(
mac_addr, vm_session)['addr_info'][0]['local']
return re.sub('\d+$', '1', vm_iface_info)
def check_iface_link(session, mac, stat):
"""
Check link state of interface inside a vm
:param session: vm's session
:param mac: mac address of iface
:param stat: link state, could be 'up' or 'down'
:return: True if check passed, False if failed
"""
stat_map = {'up': 'yes', 'down': 'no'}
expect_str = 'Link detected: %s' % stat_map[stat]
iface_in_vm = utils_net.get_linux_iface_info(mac, session)
iface_name = iface_in_vm.get('ifname')
ethtool_cmd = 'ethtool %s' % iface_name
ethtool_output = session.cmd_output(ethtool_cmd)
if expect_str in ethtool_output:
logging.info('link state check PASSED.')
return True
else:
logging.error('link state check FAILED.')
return False