def _set_network_ip_config(ip_config):
"""Set IP configuration on Vdsm controlled OVS network"""
iface = ip_config.top_dev
ipv4 = ip_config.ipv4
ipv6 = ip_config.ipv6
port = ip_config.port
blocking_dhcp = ip_config.blocking_dhcp
net_dev = NetDevice(iface, iproute2, ipv4=ipv4, ipv6=ipv6,
blockingdhcp=blocking_dhcp)
DynamicSourceRoute.addInterfaceTracking(net_dev)
ipwrapper.linkSet(iface, ['down'])
if ipv4.address:
ipwrapper.addrAdd(iface, ipv4.address, ipv4.netmask)
if ipv4.gateway and ipv4.defaultRoute:
ipwrapper.routeAdd(['default', 'via', ipv4.gateway])
if ipv6.address or ipv6.ipv6autoconf or ipv6.dhcpv6:
sysctl.disable_ipv6(iface, disable=False)
else:
sysctl.disable_ipv6(iface)
if ipv6.address:
ipv6addr, ipv6netmask = ipv6.address.split('/')
ipwrapper.addrAdd(iface, ipv6addr, ipv6netmask, family=6)
if ipv6.gateway:
ipwrapper.routeAdd(['default', 'via', ipv6.gateway], dev=iface,
family=6)
ipwrapper.linkSet(port, ['up'])
ipwrapper.linkSet(iface, ['up'])
if ipv4.bootproto == 'dhcp':
_run_dhclient(iface, blocking_dhcp, ipv4.defaultRoute, 4)
if ipv6.dhcpv6:
_run_dhclient(iface, blocking_dhcp, ipv6.defaultRoute, 6)
iproute2._addSourceRoute(net_dev)
def _set_default_route(gateway, family, dev=None):
try:
ipwrapper.routeAdd(['default', 'via', gateway], family=family, dev=dev)
except ipwrapper.IPRoute2Error: # there already is a default route
logging.warning(
'Existing default route will be removed so a new one can be set.')
ipwrapper.routeDel('default', family=family)
ipwrapper.routeAdd(['default', 'via', gateway], family=family, dev=dev)
def _set_default_route(gateway, family, dev=None):
try:
ipwrapper.routeAdd(['default', 'via', gateway], family=family, dev=dev)
except ipwrapper.IPRoute2Error: # there already is a default route
logging.warning(
'Existing default route will be removed so a new one can be set.')
ipwrapper.routeDel('default', family=family)
ipwrapper.routeAdd(['default', 'via', gateway], family=family, dev=dev)
def add(iface, ipv4, ipv6):
if ipv4.address:
ipwrapper.addrAdd(iface, ipv4.address, ipv4.netmask)
if ipv4.gateway and ipv4.defaultRoute:
ipwrapper.routeAdd(['default', 'via', ipv4.gateway])
if ipv6:
_add_ipv6_address(iface, ipv6)
elif ipv6_supported():
sysctl.disable_ipv6(iface)
def add(iface, ipv4, ipv6):
if ipv4.address:
ipwrapper.addrAdd(iface, ipv4.address, ipv4.netmask)
if ipv4.gateway and ipv4.defaultRoute:
ipwrapper.routeAdd(['default', 'via', ipv4.gateway])
if ipv6:
_add_ipv6_address(iface, ipv6)
elif ipv6_supported():
sysctl.disable_ipv6(iface)
def _add_ipv6_address(iface, ipv6):
if ipv6.address:
ipv6addr, ipv6netmask = ipv6.address.split('/')
ipwrapper.addrAdd(iface, ipv6addr, ipv6netmask, family=6)
if ipv6.gateway:
ipwrapper.routeAdd(['default', 'via', ipv6.gateway],
dev=iface, family=6)
if ipv6.ipv6autoconf is not None:
with open('/proc/sys/net/ipv6/conf/%s/autoconf' % iface,
'w') as ipv6_autoconf:
ipv6_autoconf.write('1' if ipv6.ipv6autoconf else '0')
def _add_ipv6_address(iface, ipv6):
if ipv6.address:
ipv6addr, ipv6netmask = ipv6.address.split('/')
ipwrapper.addrAdd(iface, ipv6addr, ipv6netmask, family=6)
if ipv6.gateway:
ipwrapper.routeAdd(['default', 'via', ipv6.gateway],
dev=iface,
family=6)
if ipv6.ipv6autoconf is not None:
with open('/proc/sys/net/ipv6/conf/%s/autoconf' % iface,
'w') as ipv6_autoconf:
ipv6_autoconf.write('1' if ipv6.ipv6autoconf else '0')
def _setIpConfig(self, iface):
ipv4 = iface.ipv4
ipv6 = iface.ipv6
if ipv4.address or ipv6.address:
self.removeIpConfig(iface)
if ipv4.address:
ipwrapper.addrAdd(iface.name, ipv4.address,
ipv4.netmask)
if ipv4.gateway and ipv4.defaultRoute:
ipwrapper.routeAdd(['default', 'via', ipv4.gateway])
if ipv6.address:
ipv6addr, ipv6netmask = ipv6.address.split('/')
ipwrapper.addrAdd(iface.name, ipv6addr, ipv6netmask, family=6)
if ipv6.gateway:
ipwrapper.routeAdd(['default', 'via', ipv6.gateway],
dev=iface.name, family=6)
if ipv6.ipv6autoconf is not None:
with open('/proc/sys/net/ipv6/conf/%s/autoconf' % iface.name,
'w') as ipv6_autoconf:
ipv6_autoconf.write('1' if ipv6.ipv6autoconf else '0')
def configureSourceRoute(routes, rules, device):
for route in routes:
routeAdd(route)
for rule in rules:
ruleAdd(rule)
def add(route_data):
r = route_data
with _translate_iproute2_exception(IPRouteAddError, route_data):
routeAdd(Route(r.to, r.via, r.src, r.device, r.table), r.family)
def add(route_data):
r = route_data
with _translate_iproute2_exception(IPRouteAddError, route_data):
routeAdd(Route(r.to, r.via, r.src, r.device, r.table), r.family)
