def resetnetwork(self, name, value, client):
ifaces = {}
hostname_return_code, hostname = self._setup_hostname(client)
if hostname_return_code != 0:
return (str(hostname_return_code), 'Error setting hostname')
xen_macs = utils.list_xenstore_macaddrs(client)
for iface in utils.list_hw_interfaces():
mac = utils.get_hw_addr(iface)
if not mac or mac not in xen_macs:
continue
ifaces[iface] = utils.get_interface(mac, client)
utils.backup_file(self.network_file)
with open(self.network_file, 'w') as netfile:
netfile.write('NETWORKING=yes\n')
netfile.write('NOZEROCONF=yes\n')
netfile.write('NETWORKING_IPV6=yes\n')
netfile.write('HOSTNAME={0}\n'.format(hostname))
# move unused interface files out of the way but back them up
move_files = utils.get_ifcfg_files_to_remove(
self.netconfig_dir, '{0}-'.format(self.interface_file_prefix))
for interface_config in move_files:
utils.move_file(interface_config)
# setup interface files
for ifname, iface in ifaces.items():
self._setup_interface(ifname, iface)
if 'routes' in iface:
self._setup_routes(ifname, iface)
if os.path.exists('/usr/bin/systemctl'):
p = Popen(['systemctl', 'restart', 'network.service'],
stdout=PIPE,
stderr=PIPE,
stdin=PIPE)
else:
p = Popen(['service', 'network', 'restart'],
stdout=PIPE,
stderr=PIPE,
stdin=PIPE)
out, err = p.communicate()
if p.returncode != 0:
return (str(p.returncode), 'Error restarting network')
return ('0', '')
def test_network_remove_files(self):
net_config_dir = '/etc/sysconfig/network-scripts'
interface_file_prefix = 'ifcfg-'
with mock.patch('novaagent.utils.os.listdir') as listdir:
listdir.return_value = ['lo', 'eth0']
with mock.patch('novaagent.utils.glob.glob') as files:
files.return_value = [
'/etc/sysconfig/network-scripts/ifcfg-eth1',
'/etc/sysconfig/network-scripts/ifcfg-lo',
'/etc/sysconfig/network-scripts/ifcfg-eth0'
]
remove_files = utils.get_ifcfg_files_to_remove(
net_config_dir, interface_file_prefix)
self.assertEqual(remove_files,
['/etc/sysconfig/network-scripts/ifcfg-eth1'],
'Remove files returned is not the expected value')
def resetnetwork(self, name, value, client):
ifaces = {}
hostname_return_code, hostname = self._setup_hostname(client)
if hostname_return_code != 0:
log.error(
'Error setting hostname: {0}'.format(hostname_return_code)
)
xen_macs = utils.list_xenstore_macaddrs(client)
for iface in utils.list_hw_interfaces():
mac = utils.get_hw_addr(iface)
if not mac or mac not in xen_macs:
continue
ifaces[iface] = utils.get_interface(mac, client)
utils.backup_file(self.network_file)
with open(self.network_file, 'w') as netfile:
netfile.write('NETWORKING=yes\n')
netfile.write('NOZEROCONF=yes\n')
netfile.write('NETWORKING_IPV6=yes\n')
netfile.write('HOSTNAME={0}\n'.format(hostname))
# move unused interface files out of the way but back them up
move_files = utils.get_ifcfg_files_to_remove(
self.netconfig_dir,
'{0}-'.format(self.interface_file_prefix)
)
for interface_config in move_files:
utils.backup_file(interface_config)
# setup interface files
for ifname, iface in ifaces.items():
self._setup_interface(ifname, iface)
if 'routes' in iface:
self._setup_routes(ifname, iface)
"""
Creating servers from custom images may leave IP information
from the image source. Flush the interface before restart of
the network to clear out source image IP information
"""
p = Popen(
['ip', 'addr', 'flush', 'dev', ifname],
stdout=PIPE,
stderr=PIPE,
stdin=PIPE
)
out, err = p.communicate()
if p.returncode != 0:
# Log error and continue to restart network
log.error('Error flushing interface: {0}'.format(ifname))
if os.path.exists('/usr/bin/systemctl'):
p = Popen(
['systemctl', 'restart', 'network.service'],
stdout=PIPE,
stderr=PIPE,
stdin=PIPE
)
else:
p = Popen(
['service', 'network', 'restart'],
stdout=PIPE,
stderr=PIPE,
stdin=PIPE
)
out, err = p.communicate()
if p.returncode != 0:
log.error('Error received on network restart: {0}'.format(err))
return (str(p.returncode), 'Error restarting network')
return ('0', '')